TCVN 6277_V_E

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tiu chun vit nam tcvn 6277 : 2003

qui ph m h thng iu khin t ng v t xaRules for Autom atic and Rem ote Control System s

Chng 1 qui nh chung

1.1 Qui nh chung

1.1.1 Ph m vi p dng

Qui phm h thng iu khin t ng v t xa (sau y gi l "Qui phm") p dng cho vic kim tra v ch to cc h thng iu khin v kim tra tp trung my chnh v my ph thit yu, cc h thng vn hnh cabung my khng c ngi trc ca theo chu k v cc thit b t ng ha c trng (sau y gi l "Cc hthng iu khin t ng v t xa") ca cc tu c ng kim Vit nam (sau y gi l "ng kim") phncp v d kin ng k theo Phn1A ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

1.1.2 Thay th tng ng

Cc h thng iu khin t ng v t xa khng hon ton ph hp vi yu cu ca Qui phm ny c thc chp nhn vi iu kin cc h thng ny c ng kim thy l tng ng vi cc yu cu c nu trong Qui phm ny.

1.1.3 Sa i cc yu cu

ng kim c th sa i mt s phn ca nhng yu cu c nu trong Qui phm ny, c xt n ccyu cu Quc gia ca nc m tu mang c, loi tu v vng ho t ng d kin ca tu.

1.1.4 H thng iu khin t ng v t xa c c im thit k mi

i vi cc h thng iu khin t ng v t xa c c im thit k mi, ng kim c th chp nhn pdng cc yu cu thch hp ca Qui phm ny n mc c th c cng vi cc yu cu b sung nutrong thit k v qui trnh th khc vi nhng iu c nu trong Qui phm ny.

1.1.5 nh ngha

Tr khi c thm nh ngha Chng khc, trong Qui phm ny s dng cc nh ngha sau :

(1) Thit b t ng ha c trng l mt khi nim chung ch cc thit b t ng ha c trng c

cp B, cp C v cp D nh c nh ngha chi tit di y:(a) Thit b t ng ha c trng cp A L thit b iu khin t ng hoc t xa dng cho: h thng np du nhin liu c iu khin t xa, h thng neo buc tu c iu khin t xa, h thng li t ng, h thng bm chuyn hnglng ch x c iu khin t xa, h thng nhn v x nc dn c iu khin t xa, h thngng m bng c gii v cc thit b ghi t ng.

(b) Thit b t ng ha c trng cp BL thit b iu khin t ng hoc t xa dng cho: h thng np du nhin liu c iu khin t xa, h thng neo buc tu c iu khin t xa, h thng li t ng, h thng bm chuyn hnglng ch x c iu khin t xa, h thng nhn v x nc dn c iu khin t xa, h thngng m bng c gii, thit b kim tra con-ten-n ng lnh, cc ti ko dy khn cp, cc ti iu

khin ng mm lm hng, cc thit b ghi t ng v cc h thng kim tra tp trung cc my.(c) Thit b t ng ha c trng cp C

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tcvn 6277 : 2003,Chng 1 L thit b iu khin t ng hoc t xa dng cho: h thng np du nhin liu c iu khin t xa, h thng neo buc tu c iu khin t xa mt cch c lp, h thng li t ng, h thngbm chuyn hng lng ch x c iu khin t xa, h thng nhn v x nc dn c iukhin t xa, h thng ng m bng c gii, thit b kim tra con-ten-n ng lnh, cc ti ko dys c, cc ti iu khin ng mm lm hng, cc thit b ghi t ng v cc h thng kim tra hociu khin tp trung cc my, thit b c gii thu thang hoa tiu v h thng ra boong c nh.

(d) Thit b t ng ha c trng cp DBao gm thit b iu khin t ng v t xa dng cho: h thng np du nhin liu c iukhin t xa, h thng neo buc tu c iu khin t xa mt cch c lp, h thng li t ng, hthng bm chuyn hng lng ch x c iu khin t xa, h thng nhn v x nc dn ciu khin t xa, h thng ng m bng c gii, thit b kim tra con-ten-n ng lnh, cc ti kody s c, cc ti iu khin ng mm lm hng, cc thit b ghi t ng v cc h thng kim trahoc iu khin tp trung cc my, thit b c gii thu thang hoa tiu, h thng ra boong c nhv cc thit b iu khin hai bn cnh g lu li.

(2) Tu MC l tu c ng k m c cc h thng iu khin v kim tra tp trung my chnh v myph thit yu ph hp vi cc yu cu ca Chng3.

(3) Tu MO l tu c ng k m c cc h thng vn hnh bung my khng c ngi trc ca theo chu

k ph hp vi cc yu cu ca Chng 4.(4) Tu MO.A l tu MO c ng k m c thit b t ng ha c trng cp A ph hp vi cc yu cu

5.3.(5) Tu MO.B l tu MO c ng k m c thit b t ng ha c trng cp B ph hp vi cc yu cu

5.4.(6) Tu MO.C l tu MO c ng k m c thit b t ng ha c trng cp C ph hp vi cc yu cu

5.5.(7) Tu MO.D l tu MO c ng k m c thit b t ng ha c trng cp D ph hp vi cc yu cu

5.6.(8) Ngy n nh kim tra hng nm (Anniversary Date) l ngy tng ng vi ngy ht hn ca Giy chng

nhn phn cp nhng khng bao gm chnh ngy ht hn .

1.1.6 Cc k hiu

1 K hiu "MC" c ghi vo s ng k cho tuMC c cc h thng iu khin v kim tra tp trung mychnh v my ph thit yu.

2 K hiu "MO" c ghi vo s ng k cho tuMO c cc h thng vn hnh bung my khng c ngitrc ca theo chu k.

3 K hiu "MO.A" c ghi vo s ng k cho tuMO.A c thit b t ng ha c trng cp A.

4 K hiu "MO.B" c ghi vo s ng k cho tuMO.B c thit b t ng ha c trng cp B.

5 K hiu "MO.C" c ghi vo s ng k cho tuMO.C c thit b t ng ha c trng cp C. 6 K hiu "MO.D" c ghi vo s ng k cho tuMO.D c thit b t ng ha c trng cp D.

1.1.7 Thut ng

Trong Qui phm ny s dng cc thut ng sau :

(1) Trm kim tra (tr trm iu khin) l v tr tp trung cc dng c o lng, cc thit b ch bo vcc thit b bo ng, v.v..., ca my v thit b v t v tr ny c th thu c cc thng tin cn thit nm c tnh trng hot ng ca chng. Tuy nhin, nu tu c trang b mt trm kim tra kthp vi tr m iu khin c cp (2) di y, th nhng yu cu ca Qui phm lin quan ntrm kim tra khng phi p dng cho trm kim tra kt hp ny.

(2) Trm iu khin l v tr c chc nng nh trm kim tra v t v tr ny c th iu khin c hotng ca my v thit b.

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tcvn 6277 : 2003,Chng 1(3) Trm iu khin chnh l mt trm iu khin c trang b cc thit b cn thit v y iu

khin my chnh (cc thit b ny c gi l "Thit b iu khin chnh" (3) v (4)) m t y mychnh ca tu c iu khin mt cch bnh thng, trm iu khin chnh ch c tu c thit b iukhin chnh ngoi lu li.

(4) Trm iu khin chnh trn lu l lu li ca tu c trang b thit b iu khin chnh lu li m t c th iu khin my chnh ca tu mt cch bnh thng.

(5) Trm iu khin ph l trm iu khin m t c th iu khin c my chnh ca tu, (tr trmiu khin ti ch my chnh trong bung my ca cc tu c trm iu khin chnh trn lu li).(6) Cc thit b iu khin lu li l cc thit b iu khin t xa my chnh hoc chn vt bin bc

t trn lu li hoc trm iu khin chnh trn lu li.(7) iu khin tun t l qu trnh iu khin c tin hnh t ng theo mt trnh t c xc n

trc.(8) iu khin chng trnh l qu trnh iu khin m c th thay i c tr s mong mun theo chng

trnh nh trc.(9) iu khin ti ch l iu khin trc tip bng tay cc my mc v trang thit b, c thc hin gn

hoc ti ch t my mc v cc thit b , v thu nhn c cc thng tin cn thit t cc dng c othit b ch bo, v.v...

(10) H thng an ton l h thng ho t ng t ng sao cho mt trong cc tc ng di y s xy ra ngn nga cc h hng i vi my v thit b trong trng hp c nhng nguy c nghim trng nhhng ti chc nng lm vic ca my xut hin trong qu trnh hot ng ca chng:(a) Khi ng my hoc thit b d phng.(b) Gim bt cng sut ca my hoc thit b.(c) Ngt ngun cp nhin liu hoc nng lng dng my hoc thit b.

(11) Trm iu khin tp trung l mt trong cc trm iu khin ca tu nm ngoi lu li m c cch thng y v cn thit iu khin my chnh, cc my pht in, my ph cn thit cho mychnh ca tu v cc my ph khc c ng kim coi l cn thit (di y gi l "Cc h thngiu khin v kim tra tp trung cc my" (11) v (12)) v c mt bung ring lp t cc hthng iu khin v kim tra tp trung cc my m t bung ny my chnh c iu khin mt cch

bnh thng.(12) Trm iu khin v kim tra tp trung trn lu li l lu li ca mt tu c trang b cc h thngiu khin v kim tra tp trung cc my v t y my chnh c iu khin mt cch bnh thng.

(13) Hot ng ca my mc khng c ngi trc ca l hot ng ca my v thit b c nu di y(t (a) n (g)) m khng cn c ngi trc ca vi nhim v c trng l vn hnh v kim sot trongmt khong thi gian nh trc.(a) My chnh (khng k my pht in chn vt ca tu dng chn vt in);(b) Chn vt bin bc;(c) Bu sinh hi nc;(d) My pht in (k c my pht in chn vt ca tu dng chn vt in);(e) My ph i km vi my v thit b c lit k t (a) n (d);

(f) H thng du nhin liu;(g) H thng nc la canh.

(14) Lu li l khu vc thc hin cc thao tc hng hi v iu khin tu, lu li bao gm c bung li vcnh g lu li.

(15) Cnh g lu li l cc phn ca lu li hai bn bung li c ko di ti mn tu.(16) Bung li l khu vc c vy kn ca lu li.

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t c v n 6277 : 2003,Chng 2

Ch ng 2 k i m t r a c c h t h ng iu kh i nt ng v t xa

2.1 Qui nh chung

2.1.1 Cc hnh thc kim traCc h thng iu khin t ng v t xa c ng k hoc d kin c ng k phi chu ccdng kim tra nh sau:

(1) Kim tra ng k h thng iu khin t ng v t xa (sau y gi l "kim tra ng k").(2) Kim tra duy tr ng k ca h thng iu khin t ng v t xa (sau y gi l "kim tra duy tr

ng k") bao gm:(a) Kim tra nh k;(b) Kim tra hng nm;(c) Kim tra bt thng.

2.1.2 Thi h n cc t kim traCc t kim tra c tin hnh ph hp vi cc yu cu -1 v -2 di y:

1 Kim tra ng k phi c tin hnh khi nhn c n xin ng k.

2 Kim tra duy tr ng k phi c tin hnh vo nhng khong thi gian c qui nh nh t (1) n (3)di y:

(1) Cc t kim tra nh k phi c tin hnh vo nhng khong thi gian c qui nh 1.1.3-1(4),Phn 1B ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

(2) Cc t kim tra hng nm phi c tin hnh vo nhng khong thi gian qui nh 1.1.3-1(1), Phn 1B ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

(3) Kim tra bt thng: c thc hin ti bt k thi im no c nu t (a) ti (c) di y, khng phthuc vo cc t kim tra nh k v kim tra hng nm.(a) Khi cc phn chnh (cc chi tit chnh) ca h thng b h hng, c sa cha hoc thay mi.(b) Khi cc h thng b sa i hoc thay th.(c) Khi ng kim xt thy cn thit.

2.1.3 Tin hnh kim tra nh k v kim tra hng nm trc thi h n

1 Kim tra trc thi hn.Cc yu cu cho vic thc hin kim tra nh k v kim tra hng nm trc thi hn phi ph hp vi ccqui nh nu 1.1.4, Phn 1B, TCVN 6259 : 2003Qui phm phn cp v ng tu bin v thp.

2 Tr hon kim tra nh kCc yu cu cho vic tr hon t kim tra nh k phi ph hp vi cc qui nh nu 1.1.5-1(1) hoc1.1.5-1(2), Phn 1B, ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

2.1.4 Chun b cho vic kim tra v cc yu cu khc

1 Ch tu hoc i din ca ch tu phi thc hin tt c cc cng vic chun b cn thit cho vic kim tracng nh cc cng vic chun b khc, nu ng kim vin thy cn thit, ph hp vi cc yu cu caQui phm. Cc cng vic chun b phi bao gm vic chun b cc li vo (v tr kim tra) thun tin v anton, cc phng tin v cc bin bn cn thit cho vic kim tra. Cc trang b kim tra, o c v th nghim m ng kim vin da vo a ra cc quyt nh c nh hng n vic phn cp, phi cdu hiu nhn dng ring bit v c kim chun theo mt tiu chun m ng kim cho l ph hp. Tuynhin, ng kim vin c th chp nhn cc dng c o n gin (v d: thc thng, thc dy, dng co kim tra kch thc mi hn, pan-me) m khng cn c nhn dng ring bit hay xc nhn kim

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t c v n 6277 : 2003,Chng 2

chun, min l cc dng c o ny thuc kiu thit k thng dng, c bo dng ph hp v nh k sosnh vi cc thit b tng t khc hoc cc mu th. ng kim vin cng c th chp nhn cc thit bc lp t o c, gim st hot ng ca cc trang thit b trn tu (v d cc dng c o p sunhit , vng quay) da trn cc bin bn kim chun (trc y) hoc bng cch so snh cc ch s c cc dng c o vn nng.

2 Ch tu hoc i din ca Ch tu phi b tr mt nhn vin c hiu bit k cng v cc hng mc s kimtra thc hin cng tc chun b cho vic kim tra nhm to ra s tr gip cn thit cho ng kim vin,theo yu cu ca anh ta, trong sut qu trnh kim tra.

3 C th tr hon t kim tra khi:

(1) Cc cng vic chun b cn thit cha c hon thnh hoc khng c thc hin;(2) Khng c mt bt k mt nhn vin tr gip kim tra no, nh c nu -2 trn;(3) ng kim vin cho rng khng m bo an ton cho vic tin hnh kim tra.

4 Sau khi kim tra, nu thy cn thit phi thc hin cc cng vic sa cha no , ng kim vin s thngbo cc khuyn ngh ca mnh cho ngi yu cu kim tra bit. Da vo , cc cng vic sa cha phc thc hin p ng yu cu ca ng kim vin

2.2 Kim tra ng k

2.2.1 Cc bn v v ti liu

1 c ng k cc h thng kim tra v iu khin tp trung my chnh v my ph thit yu hoc cch thng vn hnh bung my nh k khng c ngi trc ca, phi trnh cho ng kim 03 bn sao cacc bn v v ti liu di y:

(1) Cc bn v v ti liu lin quan n t ng(a) Danh mc cc im o;(b) Danh mc cc im bo ng;

(c) Cc thit b iu khin v cc thit b an ton(i) Danh mc cc i tng c iu khin v cc thng s c iu khin;(ii) Cc dng ca ngun nng lng iu khin (t kch, kh nn, in, v.v...);(iii) Danh mc cc trng thi dng s c, gim tc (t ng gim hoc yu cu phi gim tc

trc khi dng), v.v...;(2) i vi cc thit b iu khin t ng v cc thit b iu khin t xa my chnh hoc chn vt

bc, phi trnh duyt cc bn v v ti liu di y:(a) Hng dn vn hnh my chnh nh: Khi ng v dng my, thay i chiu quay, tng v gim

cng sut, v.v... ;(b) B tr cc thit b an ton (bao gm c cc thit b gn trn my) v cc n ch bo;(c) S iu khin.

(3) i vi cc thit b iu khin t ng v iu khin t xa ni hi phi trnh duyt cc bn v v tliu di y:(a) Hng dn s dng cc thit b iu khin tun t, iu khin nc cp, iu khin p sut, i

khin chy v cc thit b an ton;(b) S ca cc thit b iu khin qu trnh t chy t ng v iu khin nc cp t ng.

(4) S nguyn l v hng dn vn hnh thit b iu khin t ng cc my pht in (thit b pchia ti t ng, thit b ngt u tin, thit b khi ng t ng, thit b t ng ha ng b vkhi ng tun t, v.v...).

(5) B tr ngn ca cc bng kim tra, bng bo ng v ch ng iu khin ti cc trm iu khin tngng.

(6) Qui trnh th ti bn v th ng di.

2 i vi cc thit b t ng ha c trng d nh ng k, yu cu phi trnh cho ng kim 03 bsao ca cc bn v v ti liu di y:

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t c v n 6277 : 2003,Chng 2

(1) S cu trc v s b tr thit b t ng ha c trng;(2) Cc bn v v ti liu lin quan ti cc h thng iu khin t ng v t xa ca thit b t ng ha

c trng;(3) Thuyt minh chi tit thit b t ng ha c trng;(4) Cc bn v v ti liu khc vi nu trn khi ng kim thy cn thit.

2.2.2 Th nghim t i xngKhi ng kim thy cn thit, cc h thng iu khin t ng v t xa cc my v thit b sau khi ch tophi chu th nh sau :

(1) Th mi trngCc thit b, cc khi v cc cm bin (sau y gi l "phn t t ng" trong Qui phm ny) v ccthit b t ng bao gm cc phn t t ng, phi chu th mi trng nh nu di y ti xng ch to. Qui trnh th phi c ng kim chp thun:(a) Kim tra bn ngoi;(b) Th hot ng v th tnh nng;(c) Th h hng ngun cp in (p dng i vi cc phn t in v in t, v.v...);

(d) Th dao ng ngun in cp (p dng i vi cc phn t in v in t, v.v...);(e) Th dao ng ngun cp nng lng (p dng i vi phn t thy lc, phn t kh nn, v.v...);(f) Th in tr cch in (p dng i vi cc phn t in v in t, v.v...);(g) Th in p cao (p dng i vi cc phn t in v in t, v.v...);(h) Th p lc (p dng i vi phn t thy lc, phn t kh nn, v.v...);(i) Th nhit cao mi trng kh;(j) Th nhit cao mi trng m;(k) Th chn ng;(l) Th nghing;(m) Th lnh (th nhit thp);(n) Th sng mui (p dng vi cc phn t c lp t khng gian h, v d nh trn boong

h);(o) Th phng tnh in (p dng i vi cc phn t in v in t, v.v...);(p) Th trng in t cao tn (p dng i vi cc phn t in v in t, v.v...);(q) Th nhiu cao tn c kim sot (p dng i vi cc phn t in t, v.v...);(r) Th nhiu thp tn c kim sot (p dng i vi phn t in t);(s) Th chuyn tip in nhanh hoc tng t ngt (p dng i vi phn t in t);(t) Th chuyn tip gp/ chm (p dng i vi phn t in t);(u) Th pht x bc x (p dng i vi phn t in t gy ra pht x in t);(v) Th pht x c iu khin ((p dng i vi phn t in t gy ra pht x in t);(w) Cc th nghim khc m ng kim thy cn thit.

(2) Th tng thnh thit b t ng

Cc phn t t ng qua th mi trng nh nu (1), sau khi c lp rp thnh thit b t nghon chnh phi c th nghim nh di y. Qui trnh th phi c ng kim chp thun.(a) Kim tra bn ngoi;(b) Th hot ng v th tnh nng;(c) Th in tr cch in v th in p cao (p dng i vi cc phn t in v in t,v.v...);(d) Th p lc (p dng i vi phn t thy lc, kh nn,v.v...);(e) Cc th nghim khc m ng kim thy cn thit.

2.2.3 Duyt cho s dng

1 Nu cc phn t v thit b t ng qua c th mi trng nh nu 2.2.2 (1) th chng s c cpGiy chng nhn s dng v c php sn xut hng lot theo yu cu ca nh sn xut.

2 i vi cc phn t v thit b t ng c ng kim cp Giy chng nhn s dng ri th c thmin tr mt phn hay ton b cc th nghim mi trng nh nu 2.2.2 (1).

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t c v n 6277 : 2003,Chng 2

2.2.4 Th sau khi lp t trn tu

Cc h thng iu khin t ng v t xa my v thit b sau khi lp t trn tu phi c xc nhn rnchng hot ng hiu qu v thch ng vi cc iu kin thc t. Ngoi ra, khi ng kim thy cn thit,my v thit b c iu khin t xa hoc t ng cng phi c xc nhn rng chng hot ng mbo khng gy nguy him n s an ton ca tu cng nh ca my v thit b ngay c khi h hng hthng iu khin.Tuy vy mt phn ca vic th c th c tin hnh khi th ng di. Cc ti liu chnhm trong c qui trnh th, tr s t cho bo ng v cho tc ng ca cc h thng an ton c ghiiphi c ct gi trn tu.

2.2.5 Th ng di cc h thng iu khin v kim tra tp trung my chnh v my ph thit yu d nh c ng k

1 My chnh v chn vt bin bc

Cc h thng iu khin my chnh hoc chn vt bin bc phi chu th nh di y, cng vi cc thnghim khc m ng kim cho l cn thit, ph hp vi qui trnh th ng di c duyt.

(1) My chnh hoc chn vt bin bc phi c th khi ng, th tin - li, th chy tt c cc mccng sut bng cc thit b iu khin t xa trm iu khin chnh hoc trm iu khin chnh trnlu li.

(2) Ngoi vic th tng v gim cng sut, khi ng kim xt thy cn thit, phi tin hnh th hot ngca my chnh hoc chn vt bin bc bng cch s dng cc thit b iu khin trn lu li.

(3) Trng hp c t hai trm iu khin my chnh hoc chn vt bin bc tr ln th phi tin hnh thchuyn i iu khin trong qu trnh chy tin v li ca my chnh hoc chn vt bin bc. Trongtrng hp khi vic chuyn i iu khin ca cc thit b iu khin t xa my chnh hoc chn vbin bc c tin hnh ph hp vi yu cu 3.5.2-2(3)(b), th vic th ni trn c th c tinhnh trong lc dng my chnh.

(4) Sau khi hon thnh vic th chuyn i iu khin nh nu (3), kt qu phi cho thy rng my

chnh hoc cc chn vt bin bc c th c vn hnh mt cch trn tru t cc trm iu khin tngng.

2 Ni hiCc h thng iu khin ni hi phi c th nh sau:

(1) i vi cc ni hi chnh, phi xc nhn c rng cc thit b iu khin nc cp, iu khin chy v v.v... c th hot ng n nh ng vi s thay i ti ca cc ni hi chnh, v cc ni hichnh c th cung cp hi nc mt cch n nh cho my chnh, cc my pht in v my ph thyu phc v cho my chnh ca tu m khng cn vn hnh bng tay ti ch.

(2) i vi cc ni hi ph thit yu, phi xc nhn c rng chng c th cung cp hi nc n nh chomy ph thit yu phc v my chnh ca tu m khng cn vn hnh bng tay.

(3) Trong trng hp s dng ni hi kinh t kh x lm ngun cung cp hi nc cho tua bin truyn ngmy pht in v hi nc c cp ra t ni hi t ng ngay c khi my chnh lm vic ch cng sut thp th phi tin hnh th hot ng ca cc thit b iu khin t ng ca h thng ny.

3 Cc my pht inTrong trng hp cc my pht in cung cp nng lng in cho cc ph ti thit yu dng cho h nglc tu v lc truyn ng my pht ph thuc vo h thng ng lc , th phi th hot ng cc hthng iu khin t ng hoc t xa ca cc my pht in.

2.2.6 Th ng di h thng vn hnh bung my khng c ngi trc ca theo chu k d kin c ng k

1 Trong khi th ng di, phi tin hnh cc vic th nh nu 2.2.5 v 2.2.6 v cc vic th khc mng kim thy l cn thit theo qui trnh th ng di c duyt.

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2 Phi ch ra c rng my chnh hoc chn vt bin bc c th hot ng an ton v tin cy khi th khing, th tin - li, v chy tt c cc mc cng sut nh cc thit b iu khin trn lu li.

3 Khi tu ang hnh trnh tc bnh thng, cc my pht in phi c th nh sau:

(1) Trong trng hp bnh thng ch s dng mt my pht in, khi tc ng b ngt mch ngtngun in chnh, phi xc nhn c rng vic khi ng cc my pht d phng, ng mch t ng

b ngt mch kiu khng kh v khi ng tun t cc my ph quan trng c thc hin.(2) Trong trng hp bnh thng s dng hai my pht in, khi mt my b ngt ra phi xc nhn rngvic ngt u tin ph ti khng quan trng c thc hin v vn duy tr hot ng ca thit b y vli tu.

4 Cc my ph (tr cc my ph s dng cho mc ch ring v cc my ph tng t) phi c th nh di y, trong khi thc hin iu khin my chnh v chn vt bin bc t lu li:

(1) Th khi ng t ng cc bm d phng nh nu 3.2.2-2 (3), 3.5.4-7 (3)(a), 3.5.4-8 (3)(a)(i),3.5.4-9 (3), 3.5.4-10 (1), 3.6.4-3 v 3.8.2-2 v th chuyn i t ng cc bm tun hon nh nu 3.5.4-8 (3)(b).

(2) Khi tu ang hnh trnh tc bnh thng, phi xc nhn rng cc bnh cha kh iu khin, nu c,

c kh nng cung cp kh t nht 5ph t sau khi c tn hiu bo ng p sut kh iu khin thp trongiu kin mt kh nng khi ng t ng ca my nn kh iu khin.

5 Ni hi kinh t kh x cung cp hi nc cho tua bin truyn ng my pht in phi c th nh sau :

(1) Th hot ng, nh th cp hi nc t cc ni hi v khi ng t ng ng c i-e-den lai cc mypht in, khi ko nhanh tay iu khin ca my chnh v v tr dng trong lc tu ang hnh trnh tc bnh thng.

(2) Khi my chnh c a vo lm vic gp, phi xc nhn c rng khng xut hin tnh trng nguyhim i vi bu tch nc, ng ng, tua bin hi nc, v.v...

6 Sau khi hon thnh vic th cc phn t v thit b t ng, phi xc nhn c rng my c th c kimtra v iu khin mt cch an ton v tin cy khi khng c ngi trc ca cng ging nh trng thi tuchy bnh thng trn bin. Trong trng hp ny, tr khi c thay i v ch hot ng, trng thi hotng ca my phi khng c iu chnh bng tay t bt k mt trm iu khin no khc ngoi trmiu khin trn lu li (bao gm c trm iu khin v kim tra tp trung trn lu li).

2.3 Kim tra duy tr ng k

2.3.1 Kim tra nh k

1 mi t kim tra nh k cc h thng iu khin v kim tra tp trung my chnh v cc my ph thityu, phi tin hnh th nh nu di y v trng thi tha mn:

(1) My chnh v chn vt bin bc(a) Thit b chuyn i v tr iu khin gia lu li v trm iu khin tp trung, gia trm iu khin

tp trung v trm iu khin ti ch hoc gia trm iu khin v kim tra tp trung trn lu li vtrm iu khin ti ch hoc trm iu khin ph (p dng cho tu c thit b iu khin lu li)v cc h thng iu khin t xa c lp t ti cc v tr ny;

(b) Cc thit b an ton.(2) Ni hi

(a) Cc h thng iu khin t ng v t xa;(b) Cc thit b an ton.

(3) My pht in(a) Cc h thng iu khin t ng v t xa;(b) Cc thit b an ton.

(4) Thit b chuyn i t ng cc bm thit yu v cc thit b khi ng t ng (hoc thit b khing - dng t xa) cc my nn kh.

(5) Cc h thng bo ng

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(a) Hot ng ca cc h thng bo ng v cc thit b ch bo;(b) Xc nhn cc im t bo ng.

(6) Cc h thng kim tra t xa.

2 mi t kim tra nh k h thng vn hnh bung my khng c ngi trc ca theo chu k, phi tinhnh th nh nu di y v trng thi tha mn.

(1) My chnh v chn vt bin bc(a) Thit b chuyn i v tr iu khin gia lu li v trm iu khin tp trung, gia trm iu khintp trung v trm iu khin ti ch, hoc gia trm iu khin v kim tra tp trung trn lu li vtrm iu khin ti ch hoc trm iu khin ph v h thng iu khin t xa c lp t ti v tr ny ;

(b) Cc thit b an ton.(2) Ni hi

(a) Cc h thng iu khin t ng v t xa;(b) Cc thit b an ton.

(3) My pht in(a) Cc h thng iu khin t ng v t xa;

(b) Cc thit b an ton;(c) Khi ng t ng ngun cp d phng sau khi mt in;(d) H thng ngt u tin.

(4) Thit b chuyn i t ng cc bm thit yu v thit b khi ng t ng my nn kh.(5) H thng thng tin nh nu 4.3.3.(6) H thng bo ng

(a) Hot ng ca h thng bo ng v ch bo;(b) Xc nhn cc im t bo ng.

(7) Cc h thng kim tra t xa.

3 mi t kim tra nh k, cc thit b t ng ha c trng phi c tin hnh kim tra tng th v thtnh nng.

4 Nu ng kim vin thy cn thit th c th yu cu th ng di sau khi hon thnh vic kim tranh nu 1, 2 hoc 3.

2.3.2 Kim tra hng nm

1 mi t kim tra hng nm cc h thng iu khin v kim tra tp trung my chnh v cc my phthit yu phi tin hnh th tnh nng nh di y v trng thi tha mn. Nu trn tu c lu gi nhtk kim tra v bo dng nh k th mt s th nghim c th c min ty theo s chp thun ca ngkim vin.

(1) Cc thit b an ton cho my chnh hoc chn vt bin bc, thit b dng s c my chnh lp

trm iu khin t xa ca my chnh hoc chn vt bin bc;(2) Thit b an ton cho ni hi;(3) Cc thit b an ton cho cc my pht in.

2 mi t kim tra hng nm cc h thng vn hnh bung my khng c ngi trc ca theo chu k phitin hnh th tnh nng nh di y v trng thi tha mn. Nu trn tu c lu gi nht k kim tra vbo dng nh k th mt s th nghim c th c min ty theo s chp thun ca ng kim vin.

(1) Cc thit b an ton cho my chnh hoc chn vt bin bc, thit b dng s c my chnh lp trm iu khin t xa my chnh hoc chn vt bin bc;

(2) Thit b an ton cho ni hi;(3) Thit b an ton cho cc my pht in.

(4) H thng thng tin lin lc nh nu 4.3.3.3 mi t kim tra hng nm cc, thit b t ng ha c trng phi c tin hnh kim tra tng th. Kh

thy cn thit ng kim vin c th yu cu th tnh nng.

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Ch n g 3 Cc h t h n g iu k hi n v k i m t r a t p t r un gmy c hn h v my ph t hit y u

3.1 Qui nh chung

3.1.1 Ph m vi p dng

1 Nhng yu cu ca Chng ny p dng cho cc h thng iu khin v kim tra tp trung my chnh vmy ph thit yu ca tuMC.

2 Cc h thng iu khin t ng v t xa ca tuMC c nu Chng4 hoc Chng 5 phi ph hpvi cc yu cu Chng lin quan.

3.2 Thit k h thng

3.2.1 Yu cu v thit k h thng

1 Cc h thng iu khin, cc h thng bo ng v cc h thng an ton phi c thit k, n mc c ththc hin c, sao cho khng mt h hng no l hu qu ca cc h hng khc. V phm vi ca h hngc th gi c mc thp nht.

2 Cc h thng iu khin, cc h thng bo ng v cc h thng an ton phi c thit k da trn nguyntc "an ton khi s c". c im ca nguyn tc "an ton khi s c" l phi c nh gi trn c s khng ch an ton ca bn thn cc h thng tng ng v my cng thit b i km m cn phi tnh nan ton ton b tu.

3 Cc h thng iu khin t ng hoc t xa phi m bo tin cy mi iu kin lm vic.

4 Cp dn tn hiu phi c lp t sao cho c th trnh c nhiu cm ng c hi.

5 Cu trc ca cc h thng phi ph hp vi nhng yu cu sau y:

(1) Cc h thng iu khin, cc h thng bo ng v cc h thng an ton phi c lp vi nhau n mcc th thc hin c.

(2) Cc h thng an ton d nh thc hin cc chc nng c nu 1.1.7(10)(c), trong bt k trnghp no, cng phi c lp vi cc h thng khc.

(3) Phi trang b cho cc h thng an ton cc phng tin tm ra nguyn nhn dn n tc ng ca cch thng an ton.

3.2.2 Ngun cung cp nng lng

1 Ngun cung cp inVic cung cp in phi ph hp vi cc yu cu sau:

(1) Mch cung cp in cho cc h thng iu khin, cc h thng bo ng v cc h thng an ton phikhng l mch nhnh ly t mch in ng lc v mch chiu sng, trng hp ny ch c th chophp cc h thng ni trn c cp in t cc mch ng lc cp cho my v thit b m chng phcv.

(2) Ngun in cung cp cho cc h thng bo ng v cc h thng an ton ca cc my pht in phic cung cp t b c qui.

2 Ngun cung cp du p lcVic cung cp du p lc iu khin phi ph hp vi nhng yu cu sau:

(1) Ngun du p lc phi c kh nng cung cp p lc v khi lng cn thit n nh ca du sch.(2) Cc thit b chng qu p phi c t u ra ca bm du p lc.(3) Phi trang b ti thiu hai bm du p lc iu khin my chnh v h trc chnh v chng phi c b

tr sao cho trong trng hp khi mt bm ang hot ng m b hng th cc bm d phng c th khing t ng hoc c th khi ng c t xa mt cch nhanh chng. Trong trng hp ny bm du

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p lc khng c dng iu khin my v cc thit b khc ngoi my chnh v h trc chnh.

3 Ngun cung cp kh nnVic cung cp kh nn iu khin phi ph hp vi nhng yu cu sau:

(1) Cc h thng iu khin phi c trang b mt bnh cha kh nn c dung lng cung cp kh nn cho cc thit b iu khin ti thiu c 5ph t ngay c khi my nn kh iu khin b hng.

(2) Khi cc bnh cha kh nn khi ng ng c i--den my chnh ca tu cng c dng lm cc bncha kh nn iu khin, th phi trang b gp i s van gim p hoc trn tu phi c trang b mtvan gim p d tr.

(3) Phi c t nht hai my nn kh lm ngun cp kh nn iu khin. Mi mt my nn kh phi c thakh nng cung cp kh ngay c khi chic kia b hng.

(4) Kh nn iu khin phi c dn qua mt bu lc v nu cn thit qua mt b sy kh c th kh c vt rn, du v nc ti mc thp nht.

(5) Cc ng ng dn kh nn iu khin phi c lp vi ng ng dn kh phc v chung v ccng ng dn kh khi ng.

3.2.3 iu kin mi trng

Cc h thng iu khin t ng hoc t xa phi c kh nng chu ng c cc iu kin mi trng ticc v tr m chng c lp t.

3.2.4 H thng iu khin

1 Tnh c lp ca cc h thng iu khinCc h thng iu khin my chnh hoc chn vt bin bc, ni hi, my pht in v cc my ph thiyu phc v my chnh ca tu phi c lp vi nhau. Tuy nhin, khi t my pht in chn vt v t mypht in chnh c ni vi cng thanh dn th cc h thng iu khin chng c th c ch to dngchung.

2 Thit b lin ktTrong trng hp c nhiu my chnh hoc chn vt bin bc, cc my pht in hoc my ph (tr ccmy ph c dng vi mc ch ring bit) m c thit k hot ng ng thi cng mt iukin, phi trang b cc thit b lin kt gia cc thit b iu khin ca cc trang b nu trn.

3 c tnh iu khinCc thit b iu khin t xa v cc thit b iu khin t ng phi c c tnh iu khin ph hp vi ctnh cht ng ca my v thit b m chng phc v v phi khng b h hng v s c do nhiu gy ra.

4 Kha lin ngCc thit b iu khin phi c trang b kha lin ng ph hp ngn nga h hng cho my v thib do s c v vn hnh nhm c bo trc ca my v thit b.

5 Chuyn i sang vn hnh bng tayVic chuyn i sang vn hnh bng tay phi ph hp vi nhng yu cu sau y:

(1) My chnh hoc chn vt bin bc, ni hi, my pht in v cc my ph thit yu phc v mchnh ca tu phi c b tr khi ng, vn hnh v iu khin bng tay ngay c trong trng hpcc thit b iu khin t ng b hng.

(2) Cc thit b iu khin t ng ni chung phi c trang b phng tin ngt chc nng t ngbng tay.

(3) Phng tin nu (2) phi kh nng ngt chc nng t ng ca cc thit b iu khin t ngngay c khi bt k b phn no ca thit b iu khin t ng b hng.

6 Ngt b chc nng iu khin t xa

Chc nng iu khin t xa ca cc thit b iu khin t xa phi c th ngt b c bng tay.7 Ch bo cc v tr iu khin

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Trong trng hp my v thit b c th c vn hnh t hai trm iu khin tr ln th cc yu cu (1)v (2) di y phi c tha mn. Tuy nhin cc yu cu ny khng cn thit v phi p dng trongtrng hp khi an ton ca my v thit b cng nh an ton ti thi im bo dng c th t c bngcc phng php khc m ng kim cho l tha mn.

(1) T i mi trm iu khin phi c thit b ch th bo rng trm iu khin ang trng thi iukhin my v thit b.

(2) Vic iu khin my v thit b ti mi thi im ch c th thc hin c t mt trm iu khin.

3.2.5 H thng bo ng

1 Hot ng ca cc h thng bo ng phi ph hp vi nhng yu cu sau:

(1) Trong trng hp khi c mt iu kin khc thng c pht hin th cc thit b dng pht ra tnhiu bo ng bng nh ng v m thanh (sau y trong Qui phm gi l "thit b bo ng") phi hotng.

(2) Khi c cc thit b ngt tn hiu m thanh th chng khng c lm tt tn hiu nh sng.(3) Trong cng mt thi im phi ch bo c t nht hai h hng ca my.(4) Cc tn hiu bo ng bng m thanh ca my v thit b phi c phn bit r rng vi cc bo ng

m thanh khc nh bo ng chung, bo chy, bo ng x kh CO2.(5) Cc h thng bo ng phi c thit k c c tnh t kim tra.(6) Cc h thng bo ng phi c kh nng th c trong khi my ang hot ng bnh thng.(7) Khi c th thc hin c, phi trang b cc phng tin v tr thun li v d n cho php th

c u cm bin m khng lm nh hng n hot ng ca my.(8) Vi nhng h hng tm thi m ang t hiu chnh, th yu cu tn hiu bo ng bng m thanh v

nh sng phi c kha li cho n khi chp nhn c.

2 Ngoi cc yu cu -1, hot ng ca cc h thng bo ng c trang b cho trm kim tra my chnhhoc cc chn vt bin bc phi ph hp vi nhng yu cu sau:

(1) Ch th nh sng ca bo ng phi c duy tr cho n khi khc phc xong h hng.(2) Vic nhn mt bo ng no khng lm ngn cn cc bo ng khc.(3) Nu mt bo ng c nhn bit v mt h hng th hai xut hin trc khi s c ban u c

khc phc, th cc thit b bo ng phi hot ng tr li.(4) Nt dng bng tay ca mi h thng bo ng phi c ch th r rng.

3 Cc bo ng bng nh sng phi c b tr sao cho mi iu kin khc thng ca my v thit b phic phn bit mt cch d dng v s bo ng phi thy c r rng.

3.2.6 H thng an ton

1 Cu trc ca cc h thngCu trc ca cc h thng an ton phi ph hp vi nhng yu cu sau:

(1) Cc h thng an ton phi c b tr c lp vi cc h thng bo ng v cc h thng iu khin,n mc c th c.

(2) Cc h thng an ton ca my chnh, ni hi, my pht in v my ph thit yu phc v my chnhca tu phi c lp vi nhau.

2 Hot ng ca cc h thng an tonHot ng ca cc h thng an ton phi ph hp vi nhng yu cu sau:

(1) Cc h thng bo ng c cc chc nng c nu 3.2.5 phi hot ng khi cc h thng an ton tcng.

(2) Trong trng hp khi cc h thng an ton tc ng v my hoc thit b b dng li, th chng khng

c t ng khi ng li trc khi thao tc phc hi bng tay c thc hin.3 Xa b tc ng ca h thng an ton

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Khi c trang b thit b xa b h thng an ton th chng phi ph hp vi cc yu cu (1) v (2) sauy:

(1) Phi c ch th nh sng c a ti cc trm iu khin lin quan ca my v thit b khi thc hinxa b.

(2) Cc thit b xa b phi sao cho ngn nga c cc thao tc v .

3.2.7 My tnh v cc h thng c my tnh haCc my tnh dng cho cc h thng iu khin, cc h thng bo ng v cc h thng an ton ca myv thit b c ng kim cho l cn thit, phi ph hp vi nhng yu cu sau:

(1) tin cy, kh nng bo dng v tnh c lp(a) tin cy v kh nng bo dng ca cc h thng s dng my tnh khng c thp hn cc h

thng khng s dng my tnh.(b) Tnh c lp ca cc h thng iu khin, cc h thng bo ng v h thng an ton v nguyn tc

phi ph hp vi cc yu cu 3.2.4-1, 3.2.6-1 v 3.2.1-5, nhng khi iu ny khng th thc hinc th phi c ng kim chp nhn.

(2) My tnh(a) Cu trc ca cc my tnh phi c thit k sao cho phm vi nh hng ca mt hng hc tng

phn ca mch in hoc cc b phn c hn ch ti mc thp nht c th c.(b) Mi mt b phn ca my tnh phi c bo v chng li hin tng qu p (tp nhiu in) c

th xm nhp t u vo hoc u ra ca my.(c) Cc khi x l trung tm v cc thit b ph tr quan trng phi c chc nng t kim tra.(d) Cc chng trnh v s liu quan trng phi c lu tr khng b mt i trong trng hp

ngun cung cp in t bn ngoi c th mt tc thi.(e) My tnh phi c thit k sao cho c th khi ng li c nhanh chng theo trnh t nh

khi ngun cp in c phc hi li sau mt h hng.(f) Nhng b phn d tr ca cc phn t cu thnh quan trng m c yu cu k thut c bit khi sa

cha, phi c cung cp bng nhng khi d thay th.(g) Vic chuyn i sang cc phng tin d phng thay th phi c th thc hin c d dng v

chc chn.(3) Cc phng tin d phng thay th

(a) Trong trng hp khi iu khin nhin liu (iu khin b iu tc, iu khin b phun in t,v.v...) v iu khin t xa my chnh ca tu dng ng c i--den hoc tua bin, hay khi iukhin vn tc quay hoc iu chnh ti v iu khin t xa my chnh ca tu dng chn vt inc thc hin bng my tnh in t, th phi trang b cho tu mt my tnh d phng c th cthay th v a vo hot ng mt cch nhanh chng trong trng hp my tnh in t ang s dng b h hng.

(b) Cc h thng an ton quan trng s dng my tnh phi c trang b cc thit b d phng thay th c th a chng vo hot ng nhanh chng trong trng hp my tnh ang s dng b h hng.

(c) i vi cc h thng bo ng dng my tnh, phi trang b cc h thng bo ng thay ln ccho nhau hoc phi b tr cc thit b d phng thay th cho my tnh.

3.3 Chng ngp nc v cc bin php an ton phng chy

3.3.1 Chng ngp nc

1 Cc h la canh bung t my chnh, h trc ng lc, ni hi, my pht in v cc my ph thit yuphc v h ng lc chnh ca tu v cc bung khc m ng kim cho l cn thit phi ln ddng cho vic tiu thot nc bnh thng trong qu trnh hot ng ca my. Cc thit b bo ng mc

nc cao phi c t t hai v tr tr ln sao cho c th pht hin c s tng mc nc la cach cc gc nghing ngang v nghing dc bnh thng ca tu, tr cc v tr m ng kim thy rng khng c nguy c b ngp nc.

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2 Khi cc bm nc la canh c kh nng t ng khi ng v dng th c th chp nhn cc h la canh nhhn c xt n tn sut lm vic ca bm.

3 Khi cc bm nc la canh c kh nng t ng khi ng v dng th phi trang b cc thit b bo ng ch bo mt trong cc iu kin sau :

(1) Lu lng nc vo ln hn so vi lu lng bm.

(2) Khi bm lm vic vi tn sut ln hn so vi tnh ton.4 Cc thit b iu khin ca bt k van thng bin, van thi no nm di ng nc ti tu hoc h thng

thi nc la canh phi c b tr sao cho c thi gian thch hp vn hnh trong trng hp ncchy vo v tr ny khi tu trng thi y ti, c lu ti thi gian cn thit i ti v vn hnh thit biu khin.

3.3.2 Cc bin php an ton phng chy

Cc bin php an ton phng chy cn phi tun theo cc yu cu 5.2.3, 7.4, 10.1.1-2, 10.5.3-1 v10.5.5-2, Phn 5 ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

3.4 H thng iu khin v kim tra tp trung

3.4.1 Qui nh chung

Tu phi c trang b trm iu khin tp trung hoc trm iu khin v kim tra tp trung trn lu li,c thit k v trang b m bo s hot ng an ton ca my chnh v my ph thit yu nh khi cs gim st trc tip mi iu kin chy tu k c khi iu ng tu.

3.4.2 Cc h thng iu khin v kim tra tp trung my chnh v my ph thit yu

T i trm iu khin tp trung hoc trm iu khin v kim tra tp trung trn lu li phi trang b cc thitb sau y :

(1) Cc thit b iu khin t xa v cc thit b kim tra my chnh hoc chn vt bin bc.(2) Cc thit b iu khin t xa v cc thit b kim tra ni hi.

Trong trng hp ny cc thit b iu khin t xa phi ph hp vi cc yu cu sau y:i vi cc ni hi chnh :Cc thit b iu khin dng iu khin cc u t v cc thit b iu khin s chy, y khngbao gm thit b mi la ca ni hi chnh. Tuy nhin khi qu trnh chy v cc u t c iukhin t ng th khng cn phi c cc thit b iu khin ny.i vi cc ni hi ph :Cc thit b iu khin t xa ni hi ch dng cung cp hi cho cc tua bin ca t my pht intua bin kh x duy tr cng sut in n nh trong trng hp my chnh trng thi cng sutthp. Tuy vy khi cc ni hi c trang b hot ng t ng th c th min khng cn trang bcc thit b iu khin t xa .

(3) Cc thit b iu khin t xa v cc thit b kim tra cc t my pht in. Trong trng hp khi thitb c trang b tha mn yu cu 4.3.1 th c th khng cn cc thit b iu khin t xa.

(4) Cc thit b khi ng v cc thit b dng t xa v cc thit b kim tra cc bm thuc my ph thityu ca h ng lc chnh. Trng hp khi cc bm ny c trang b cc bm d phng c khing t ng th c th khng cn trang b cc thit b khi ng v dng t xa.

(5) Cc thit b khi ng v dng t xa v cc thit b kim tra cc my nn kh dng khi ng mychnh v iu khin. Trong trng hp khi cc my nn kh c trang b hot ng t ngth c th khng cn phi trang b cc thit b khi ng v dng t xa.

(6) Cc thit b bo ng ch bo s hot ng ca cc h thng an ton v cc h hng ca my nh nu t 3.5 n3.10.

(7) Cc thit b dng s c my chnh nh nu 3.5.2-3 (5).(8) Cc phng tin thng tin nh nu 1.3.7 (1) v bo ng cho s quan my nh nu 1.3.8 Phn 3

ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.

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(9) Cc thit b bo ng nc la canh nh nu 3.3.1-1 v 3.3.1-3.(10) Cc u cm bin bo chy v cc im bo chy bng tay nh nu 6.2.13 Phn 5 ca TCVN 6259 :

2003 Qui phm phn cp v ng tu bin v thp.(11) Cc thit b khc m ng kim thy l cn thit.

3.5 iu khin t ng v iu khin t xa my chnh hoc chn vt bin bc.

3.5.1 Qui nh chung

Cc thit b dng iu khin t ng hoc iu khin t xa my chnh hoc chn vt bin bc phi phhp vi nhng yu cu 3.5 ny.

3.5.2 Cc thit b iu khin t xa my chnh hoc chn vt bin bc

1 Qui nh chungCc thit b iu khin t xa my chnh hoc chn vt bin bc phi ph hp vi nhng yu cu sau y :

(1) Cc thit b iu khin t xa my chnh hoc chn vt bin bc phi c kh nng iu khin c t chn vt v hng y ca chn vt (gc cnh ca cc chn vt nu l cc chn vt bin bc) cc thit b c thao tc n gin.

(2) Cc thit b iu khin t xa my chnh hoc chn vt bin bc phi c trang b cho ring tng chvt. Tuy vy trong trng hp khi c t hai chn vt tr ln c iu khin ng thi, th nhng chnvt c th c iu khin bng cng mt thit b iu khin t xa.

(3) Trong trng hp khi tc ca ng c i--den my chnh ca tu c iu khin bng cc b iutc th cc b iu tc phi c iu chnh my chnh khng th vt qu 103% vng quay lin tcln nht, cc b iu tc phi c kh nng duy tr tc an ton nh nht.

(4) Trong trng hp iu khin theo chng trnh th chng trnh tng v gim cng sut ra phi cthit k sao cho khng xut hin cc ng sut nhit v ng sut c hc qu mc bt k b phnno ca my.

(5) cc trm iu khin t xa v cc trm kim tra my chnh v v tr iu ng my chnh hoc chnvt bin bc phi trang b cc dng c sau y :(a) Cc thit b ch bo tc v chiu quay ca chn vt, i vi cc chn vt c nh.(b) Cc thit b ch bo tc v v tr bc ca chn vt, i vi cc chn vt bin bc.

2 Chuyn i iu khinV vic chuyn i iu khin, cc thit b iu khin t xa my chnh hoc chn vt bin bc phi phhp vi cc yu cu sau y :

(1) Mi trm iu khin my chnh hoc chn vt bin bc phi c trang b cc thit b ch bo rchng ang trng thi iu khin.

(2) Vic iu khin t xa my chnh hoc chn vt bin bc ti mt thi im ch c th thc hin c t mt v tr iu khin.

(3) Vic chuyn i iu khin ch c th thc hin c khi c yu cu ca trm ang iu khin v s tip nhn ca trm nhn iu khin, tr cc trng hp sau:(a) Chuyn i iu khin gia trm iu khin ti ch my chnh hoc chn vt bin bc v trm

iu khin chnh hoc trm iu khin ph.(b) Chuyn i iu khin trong thi gian my chnh ngng lm vic.

(4) Trong khi my chnh hoc chn vt bin bc c iu khin t bung li hoc t trm iu khinchnh lu li th vic chuyn i iu khin phi c th thc hin c t trm iu khin ti ch mychnh hoc chn vt bin bc hoc t trm iu khin ph m khng cn c lnh chuyn iu khin t lu li hoc trm iu khin chnh trn lu.

(5) Phi trang b cc thit b ngn nga lc y ca chn vt thay i ng k khi chuyn i iu kht mt v tr ny sang mt v tr khc, tr khi vic chuyn i c nu (3)(a) v (4).

3 H hng cc h thng iu khin t xa my chnh hoc chn vt bin bc

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Trong trng hp cc thit b iu khin t xa my chnh hoc chn vt bin bc b hng, nhng yu cusau y phi c p dng:

(1) T i cc trm iu khin t xa my chnh hoc chn vt bin bc phi trang b cc thit b bo nghot ng trong trng hp cc thit b iu khin t xa my chnh hoc chn vt bin bc b hng.

(2) Trong trng hp h hng cc thit b iu khin t xa my chnh hoc cc chn vt bin bc, th phic th iu khin c ti ch my chnh hoc chn vt bin bc.

(3) Trong trng hp cc thit b iu khin t xa ca my chnh hoc chn vt bin bc b hng, th vntc v hng y ca chn vt trc phi c gi nguyn n khi vic iu khin c thc hin trm iu khin chnh, trm iu khin ph hoc trm iu khin ti ch my chnh hoc chn vt binbc, tr khi ng kim thy iu ny l khng th thc hin c.

(4) Trong trng hp cc thit b iu khin t xa my chnh hoc chn vt bin bc b hng th vicchuyn i iu khin ti trm iu khin chnh, trm iu khin ph hoc trm iu khin ti ch camy chnh hoc chn vt bin bc phi c th thc hin c bng thao tc n gin.

(5) Cc trm iu khin t xa my chnh hoc chn vt bin bc phi c trang b cc thit b dng khncp c lp my chnh, cc thit b ny phi hot ng hiu qu trong trng hp cc thit b iukhin t xa my chnh hoc chn vt bin bc b hng.

4 Khi ng t xa my chnh cc tu i--denVic khi ng bng cc thit b iu khin t xa my chnh phi ph hp vi cc yu cu sau :

(1) S ln khi ng my chnh phi tha mn s lng nu 2.5.3 Phn 3 ca TCVN 6259 : 2003 Quiphm phn cp v ng tu bin v thp.

(2) Cc thit b iu khin t xa my chnh c b tr khi ng t ng phi c thit k sao cho s lnkhi ng t ng khng thnh cng lin tip khng vt qu 3. Trong trng hp khi ng khngthnh phi c bo ng bng nh sng v m thanh pht ra t trm iu khin tng ng cng nh trmiu khin chnh trn lu li, trm iu khin chnh hoc trm kim tra (khi khng c trm iu khinchnh trn lu li v trm iu khin chnh) my chnh hoc chn vt bin bc.

(3) Khi dng kh nn khi ng my chnh, ti trm iu khin t xa v trm kim tra my chnh phic trang b cc thit b bo ng ch bo p sut kh khi ng thp.

(4) Mc p sut thp ca kh khi ng c cp (3) phi c t mc cho php vn khi ngc my chnh.

3.5.3 Cc thit b iu khin lu li

Cc thit b iu khin lu li phi ph hp vi cc yu cu sau, cng nh cc yu cu 3.5.2:

(1) Ngay c khi my chnh hoc chn vt bin bc c iu khin t bung li hoc trm iu khinchnh trn lu li th nhng tn hiu truyn lnh (telegraph) ti bung li hoc trm iu khin chnhtrn lu li phi c ch th ti cc trm iu khin v cc v tr iu ng l cc v tr m c th iukhin c my chnh v chn vt bin bc.(a) Trm iu khin ph hoc trm iu khin ti ch my chnh hoc chn vt bin bc, i vi cc

tu c trang b trm iu khin chnh trn lu li, hoc(b) Trm iu khin chnh i vi cc tu khng c trang b trm iu khin chnh trn lu li.

(2) Cc thit b iu khin lu li phi c trang b hoc mt trong cc thit b di y ngn ngamy chnh hot ng lu di di tc nguy him:(a) Cc thit b t ng vt qua nhanh chng di tc nguy him.(b) Cc thit b bo ng hot ng khi my chnh lm vic qu thi gian nh di tc nguy

him.

3.5.4 Cc bin php an ton

1 Cc bin php an ton cho my chnh hoc chn vt bin bcCc bin php an ton cho my chnh hoc chn vt bin bc phi ph hp vi cc yu cu sau:

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(1) Cc bin php an ton di y phi c dng cho cc thit b iu khin t xa my chnh hoc chnvt bin bc:(a) Phi trang b cc thit b kha lin ng cn thit ngn nga cc h hng nghim trng do v

hnh nhm.(b) Khi my ph thit yu phc v h ng lc chnh ca tu c truyn ng bng cc ng c in

th my chnh phi c thit k t ng dng hoc c kh nng dng c trong trng hp

hng ngun in chnh.(c) My chnh phi c b tr sao cho khng th t ng khi ng li c khi ngun in chnhc phc hi sau h hng trong lc my chnh b dng.

(d) Cc thit b iu khin t xa my chnh hoc chn vt bin bc phi c thit k sao cho mkhng th b qu ti bt thng trong trng hp cc thit b hng.

(2) T i trm kim tra my chnh hoc chn vt bin bc phi trang b cc thit b dng my chnh hocchn vt bin bc.

2 Cc h thng an ton ca my chnhCc h thng an ton ca my chnh phi ph hp vi cc yu cu sau:

(1) Thit b ct ngun cp nhin liu hoc hi nc (sau y gi l "thit b an ton") cho my chnh

phi khng c hot ng t ng, tr cc trng hp c th dn n hng ton b, h hng nghimtrng hoc n.(2) Cc h thng an ton my chnh phi c thit k sao cho khng mt i cc chc nng ca chng

hoc mt i tnh an ton ngay c khi ngun in chnh hoc ngun kh nn b hng.

3 ng c i--den t o chiut nht cc bin php an ton di y phi c dng cho cc thit b iu khin t xa ng c ieden t o chiu:

(1) Thao tc khi ng ch c th thc hin c khi trc cam chc chn v tr "tin" hoc "li".(2) Trong khi thao tc o chiu, nhin liu phi khng c phun.(3) Vic o chiu phi c tin hnh sau khi vng quay tin c gim ti mt gi tr nh trc.

4 My chnh ca tu gm nhiu my lm vic song song trn cng mt trc.t nht cc bin php an ton di y phi c dng cho cc thit b iu khin t xa cc my ghp volm vic song song trn cng mt trc.

(1) Mi my chnh phi c trang b mt thit b chng qu ti.(2) Mi my chnh khng phi chu ti chnh lch bt thng.

5 My chnh c ly hpt nht cc bin php an ton sau y phi c dng cho cc thit b iu khin t xa cc my c ly hp.

(1) B ly hp c trang b cho my chnh t hp nhiu my ghp vo lm vic song song trn cng mttrc phi c tch ra khi my chnh c dng khn cp. Trong khi nhiu my ang hot ng cc

hng quay khc nhau, th cc b ly hp ca chng khng c gi vo ng thi.(2) Vic gi v tch cc b ly hp phi c tin hnh cc vng quay thp hn vng quay nh camy chnh.

(3) Phi trang b cc thit b chng qu tc nh nu 2.4.1-2, 3.3.1-1 hoc 4.3.1-1 Phn 3 ca TCVN 6259:2003 Qui phm phn cp v ng tu bin v thp.

(4) Trong trng hp nghi ng tc ca ng c lai chn vt c th vt qu 125% vng quay nh mckhi tch ly hp, th phi trang b thit b chng qu tc nu nh ng kim xt thy cn thit.

6 My chnh lai chn vt bin bct nht cc bin php an ton di y phi c dng cho cc thit b iu khin t xa cc my lai chn vbin bc.

(1) Phi trang b thit b chng qu ti.(2) Vic khi ng my hoc gi ly hp phi c thc hin khi cc cnh chn vt v tr "khng".

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(3) Phi trang b mt thit b chng qu tc nh nu 2.4.1-2, 3.3.1-1 hoc 4.3.1-1 Phn 3 ca TCVN6259: 2003 Qui phm phn cp v ng tu bin v thp.

(4) Trong trng hp nghi ng tc ca ng c lai chn vt c th vt qu 125% vng quay nh mckhi tch ly hp, th phi trang b thit b chng qu tc nu nh ng kim xt thy cn thit.

7 My chnh cc tu i--den.

(1) Thit b an tonCc thit b an ton phi c trang b t ng ct ngun cung cp nhin liu cho cc ng c ieden my chnh trong cc iu kin sau :(a) Qu tc .(b) St p sut du bi trn chnh v chn.(c) St p sut du bi trn u ch thp (i vi ng c c u ch thp c h thng du bi

trn ring cho u ch thp).(d) St p sut du bi trn trc cam (i vi ng c c u ch thp c h thng du bi trn ring

cho trc cam).(e) Tng bt thng nng hi du trong hp trc khuu ca ng c hnh thng (p dng cho cc

ng c c cng sut lin tc ln nht bng v ln hn 2.250kW hoc c ng knh xi lanh ln

hn 300 mi-l i-mt ).(2) Gim tc hoc gim tiPhi trang b cc thit b t ng gim tc hoc gim ti cho cc ng c ieden my chnh trongcc iu kin di y. Tuy nhin khi c trang b cc thit b c chp thun nh thit b bo ngyu cu gim ti hoc tc th vic gim ti hoc tc c th c thc hin bng tay.(a) St p sut du bi trn chnh v chn (i vi ng c c u ch thp).(b) St p sut du bi trn u ch thp (i vi ng c c u ch thp c h thng du bi

trn ring cho u ch thp).(c) Tng bt thng nhit chn hoc nhit du bi trn chn (i vi ng c c

trang b chn).(d) Tng bt thng nng hi du trong hp trc khuu ca ng c c u ch thp(i vi ng

c c cng sut lin tc ln nht bng v ln hn 2.250kW hoc c ng knh xi lanh ln hn 300mi-l i-mt , th c th thay bng s tng bt thng nhit chnh, trc khuu, u ch thp v nhit du bi trn u ra).

(e) St lu lng du bi trn mi h thng bi trn xi lanh (hoc khng c dng chy).(f) St p sut u vo cht lm mt piston ca ng c c u ch thp (khng yu cu i vi cc

ng c m du lm mt chng c ly t h thng lm mt chnh ng c).(g) Tng bt thng nhit cht lm mt piston mi u ra xi lanh (i vi ng c c u ch

thp).(h) St p sut u vo nc lm mt xi lanh (hoc st lu lng u vo nc lm mt i vi ng

c hnh thng).(i) Tng bt thng nhit nc lm mt xi lanh mi u ra xi lanh( hoc tng bt thng nhit

u ra chung nc lm mt xi lanh i vi cc ng c c bung lm mt chung khng c van chnring).

(j) Tng nhit bt thng hoc c chy trong hp qut kh (i vi ng c c u ch thp).(k) Tng bt thng nhit kh x mi u ra xi lanh (khng yu cu i vi cc ng c c cng

sut lin tc ln nht trn mi xi lanh bng v nh hn 500kW ).(l) Cc s c khc m ng kim thy cn thit.

(3) Bm d phngBm d phng ca cc bm dng cho h ng lc ca tu phi c b tr khi ng t ng hocc th khi ng c t xa ngay lp tc t trm iu khin tp trung hoc trm iu khin v kim tratp trung trn lu li trong cc iu kin sau y:(a) i vi cc bm du bi trn; khi p sut u ra hoc lu lng ca cc bm ang hot ng gim

xung di tr s nh.

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(b) i vi cc bm lm mt (cc bm dng cho cc xi lanh, piston, van nhin liu v cc thit b lmmt) v cc bm cp du nhin liu: khi p sut u ra hoc lu lng ca cc bm ang hot nggim xung di tr s nh hoc khi mt bm trong s ngng hot ng.

(4) Bo ngCc ng c i--den my chnh phi c trang b cc thit b bo ng hot ng trong trng hpc cc iu kin khc thng nu Bng 3.1.

8 My chnh cc tu tua bin hi nc(1) Thit b an ton

Phi trang b cc thit b an ton ct hi nc cung cp ti tua bin hi nc lai chn vt trong cciu kin sau:(a) Qu tc ;(b) St p sut du bi trn;(c) chn khng ca bnh ngng chnh thp;(d) Dng tt c cc ni hi chnh.

(2) Gim tc hoc gim tiPhi trang b cc thit b t ng gim tc hoc gim ti ca cc tua bin hi nc lai chn vt

trong cc iu kin di y. Tuy nhin khi c trang b cc thit b c chp thun nh thit b bng yu cu gim tc hoc gim ti th vic gim tc hoc gim ti c th c thc hin bngtay:(a) Rung ng qu mc cc trc rto hoc v ngoi;(b) dch chuyn dc trc qu mc ca cc trc rto;(c) Mc ngng t cao bnh ngng chnh;(d) St qu mc p sut hi nc u vo tua bin.

(3) Bm d phng v b t ncCc bm d phng v b t nc phi ph hp vi cc yu cu sau y:(a) Bm d phng ca cc bm thit yu phc v h ng lc chnh phi c b tr khi ng t

ng hoc c th khi ng c t xa ngay lp tc t trm iu khin tp trung hoc trm iu

khin v kim tra tp trung trn lu li trong cc iu kin sau:(i) i vi cc bm du bi trn: khi p sut u ra hoc lu lng ca cc bm ang hot nggim xung di tr s nh.

(ii) i vi cc bm nc ngng, cc bm nc (du) lm mt (k c cc bm tun hon ca bnhngng chnh) v cc bm ht kh khi p sut u ra hoc lu lng ca cc bm ang hotng gim xung di tr s nh hoc khi c mt bm trong s ngng hot ng.

(b) Khi c trang b h thng t nc, th h thng ny phi c b tr sao cho chuyn i c t ngsang dng cc bm tun hon vi mt trong cc iu kin t (i) n (iii) sau. Tuy nhin, thit bchuyn i t ng ny c th khng yu cu phi trang b khi cc thit b bo ng ch bring tng iu kin t (i) n (iii) v thit b chuyn i t xa ca cc bm tun hon c trang b trm iu khin tp trung hoc trm iu khin v kim tra tp trung trn lu li.

(i) Khi tc ca tu cao hn hoc thp hn tr s nh;(ii) Khi chn khng ca bnh ngng chnh cao hn hoc thp hn tr s nh;(iii) Khi tr s c xc nh bng phng php khc vi nu (i) v (ii), th mc tng cao hn

hoc gim thp hn tr s nh s c ng kim xem xt ring.(4) Thit b quay

Phi trang b cc thit b ngn nga nguy c bin dng rto bng cch dng thit b quay t nghoc cc phng php thch hp khc nu tua bin lai chn vt ngng lm vic trong mt thi gian di.

(5) Bo ngCc tua bin hi nc lai chn vt phi c trang b cc thit b bo ng hot ng khi c cc trnghp khc thng nu Bng 3.2 .

9 ng c in lai chn vt

(1) Thit b an ton

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Phi trang b cc thit b an ton ct ngun in cho cc ng c in lai chn vt trong cc trnghp sau:(a) Vt qu tc ;(b) St p sut du bi trn;(c) Mt iu khin ca b bin i in bn dn;(d) Cc trng hp khc m ng kim thy cn thit.

(2) Gim tc hoc gim tiPhi trang b cc thit b t ng gim tc hoc gim ti cc ng c in lai chn vt trong cctrng hp di y. Tuy nhin khi c trang b cc thit b c chp nhn, nh thit b bo ng yucu gim tc hoc gim ti, th vic gim tc hoc gim ti c th c thc hin bng tay :(a) Qu ti;(b) Nhit cao cc cun dy Stato hoc cc cun dy cc ph;(c) Qut lm mt b bin i in bn dn b dng bt thng;(d) C tc ng ca thit b bo v bn dn i vi b bin i in bn dn;(e) Cc trng hp khc m ng kim thy cn thit.

(3) Bm d phngCc bm d phng ca cc bm cn thit cho s hot ng ca ng c in lai chn vt (nh cc bm

du bi trn v cc bm nc lm mt) phi c b tr khi ng t ng hoc c th khi ngc t xa ngay lp tc t trm iu khin tp trung hoc trm iu khin v kim tra tp trung trn luli trong iu kin p sut u ra hoc lu lng ca cc bm ang hot ng gim xung di tr s nh.

(4) Bo ng cc ng c in lai chn vt phi c trang b cc thit b bo ng hot ng khi c cctrng hp khc thng nu Bng 3.9 .

10 Chn vt bin bc

(1) Bm d phngCc bm d phng dng cho s hot ng ca chn vt bin bc ca h ng lc phi c b tr saocho khi ng t ng hoc c th khi ng c t xa ngay lp tc t trm iu khin tp trung

hoc trm iu khin v kim tra tp trung trn lu li, khi p sut u ra hoc lu lng ca cc bmang hot ng gim xung di tr s nh hoc mt trong s cc bm ngng hot ng.(2) Bo ng

Cc chn vt bin bc ca h ng lc phi c trang b cc thit b bo ng hot ng khi c cctrng hp khc thng nu Bng 3.6 .

3.6 iu khin t ng v t xa ni hi

3.6.1 Qui nh chung

1 Cc h thng iu khin t ng c s chy v nc cp ca cc ni hi t bng du phi ph hp tngng vi cc yu cu t 3.6.2 n3.6.4.

2 Cc h thng iu khin t ng hoc s chy hoc nc cp ca cc ni hi t bng du phi ph hpvi cc yu cu tng ng 3.6.2 hoc 3.6.3 cng nh cc yu cu 3.6.4.

3 Vic iu khin t ng cc ni hi khng phi t bng du, hoc ni hi c c im c bit phi cng kim chp thun.

4 Cc thit b ch bo mc nc t xa phi ph hp vi cc yu cu 9.9.8 Phn 3 ca TCVN 6259 : 2003Qui phm phn cp v ng tu bin v thp.

3.6.2 H thng iu khin t ng s chy

1 Qui nh chungCc h thng iu khin t ng s chy phi ph hp vi cc yu cu sau:

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(1) Cc h thng iu khin t ng s chy phi c kh nng iu khin t c sn lng, p sut vnhit hi nc d kin v m bo c s chy n nh.

(2) Cc thit b iu khin vic cung cp nhin liu theo mc ti, phi c kh nng m bo s chy nnh phm vi c th iu khin c vic cung cp nhin liu.

(3) Khi vic iu khin s chy c thc hin da trn p sut ca ni hi, th gii hn trn ca p sutny phi thp hn p sut lm vic ca cc van an ton.

2 Cc thit b iu khin s chy hot ng gin on.Cc thit b iu khin s chy hot ng gin on phi ph hp vi cc yu cu sau y v chng phihot ng theo chu k nh trc.

(1) Trc khi mi la u t mi hoc trc khi nh la u t chnh nu khng c u t mi thbung chy v ng hi phi c lm sch trc bng lng khng kh khng nh hn 4 ln dung tchca bung chy v ng hi dn ti ng thng hi ca ni hi. i vi cc ni hi nh, ch c mt ut th c th chp nhn vic lm sch trc vi thi gian khng di 30 giy .

(2) Trong trng hp mi la trc tip, tc l phng php m u t chnh c t chy bng tia lain, th khng c m van du nhin liu trc khi bt tia la in.

(3) Trong trng hp mi la gin tip, tc l phng php u t chnh c t chy nh u t mi,

th khng c m van du nhin liu ca u t mi (sau y gi l "van du mi") trc khi bt tiala in, v khng c m van du ca u t chnh (sau y gi l "van du chnh") trc khi m van du mi.

(4) S chy phi m bo din ra trong thi gian nh trc. Van du chnh phi c tnh ton sao chong li c sau khi m khng qu 10giy trong trng hp mi la trc tip v khng qu 15giy trong trng hp mi la gin tip nu la chy u t chnh khng bnh thng.

(5) La chy cc u t chnh phi c xy ra v tr t thp ca chng.(6) Sau khi ng van du chnh, vic lm sch sau phi c tin hnh khng di 20giy nhm m

bo khng kh chy t chy ht du tha cn li nm gia van du chnh v vi phun. Cc yucu ny khng cn thc hin vi cc ni hi ph, nu ng kim chp thun.

3 Cc thit b iu khin s chy dng iu khin cc u tCc thit b iu khin s chy dng iu khin cc u t phi ph hp vi cc yu cu sau y:

(1) Mi u t phi c t chy v tt theo qui trnh nh. Tuy nhin u t c s c th c bng tay v cc u t khc c th c t bng tia la ca u t chy.

(2) Du nhin liu cn li u t tt phi c t ng chy ht khng gy tr ngi cho vic tli. Tuy nhin khi khng t u t mi, th khng cn phi lm sch du nhin liu cn li u tchnh bng hi nc hoc khng kh.

(3) Cc u t ca ni hi chnh phi c th t chy v dp tt c t trm iu khin chnh hoc trmiu khin chnh trn lu li, tr ngn la u t c s.

(4) Cc thit b iu khin s chy khcCc thit b iu khin s chy khc phi c ng kim chp thun, cng nh chng phi ph hp

vi cc yu cu tng ng -2 v -3.

3.6.3 Thit b iu khin nc cp t ng

1 Cc thit b iu khin nc cp t ng phi c kh nng iu khin t ng mc nc trong cc ni hi phm vi nh.

2 Cc ni hi chnh phi c trang b t nht 3 u cm bin mc nc dng cho thit b iu khin nccp, thit b ch bo mc nc t xa, thit b an ton mc nc thp v thit b bo ng mc nc thp.

3.6.4 Bin php an ton

1 Thit b an tonCc thit b an ton phi ph hp vi cc yu cu sau y cng nh cc qui nh 9.9.10-1 Phn 3 ca TCVN 6259 : 2003Qui phm phn cp v ng tu bin v thp.

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(1) Phi trang b mt van t ng trn ng ng nc cp ca ni hi chnh, v n phi t ng hot ngkhi mc nc ca ni hi chnh tng ln bt thng.

(2) Cc thit b an ton i vi mc nc thp ni hi chnh phi tc ng nh tn hiu ca hoc mttrong hai u cm bin mc nc thp, hai u ny c lp vi nhau. Tuy nhin mt trong cc u cmbin ny c th c dng cho mc ch khc.

2 Hm du nhin liuTrong trng hp s dng du nhin liu c hm nng, phi trang b mt thit b iu khin nhit t ng cho b hm v phi trang b cho ni hi mt thit b ct t ng ngun cp du nhin liu cho ccu t hoc thit b bo ng s hot ng khi nhit ca du nhin liu tt xung di tr s nh.

3 Bm d phngCc bm d phng ca cc bm sau y cn thit cho hot ng ca cc ni hi chnh v cc ni hi phquan trng phi c b tr c th khi ng t ng hoc t xa ngay lp tc t trm iu khin tptrung hoc trm iu khin v kim tra tp trung trn lu li khi p sut u ra hoc lu lng ca cc bmang hot ng gim xung di tr s nh hoc khi mt trong s bm ngng hot ng. Khng cnp dng yu cu ny cho cc bm phun nhin liu, nu c sn c cc phng tin thay th khc m bovic hnh hi v hm sy bnh thng khi bm phun nhin liu b hng.

(1) Cc bm nc cp.(2) Cc bm phun nhin liu.

4 Bo ngCc ni hi phi c trang b cc thit b bo ng hot ng khi c cc trng hp khc thng nu Bng 3.3 .

3.7 iu khin t ng v t xa my pht in

3.7.1 Quy nh chung

1 Cc my pht in c b tr khi ng c t ng hoc t xa phi c trang b cc thit b kha linng cn thit hot ng an ton.

2 Cc my pht in c b tr khi ng c t ng phi c tnh ton s ln t ng khi ngkhng thnh lin tip khng qu hai ln, v phi trang b thit b bo ng hot ng khi khi ng khngthnh.

3 Trong trng hp khi ng c ieden lai my pht in chn vt c khi ng t xa, th s ln khi ngphi ph hp vi s lng yu cu nu 2.5.3 Phn 3 ca TCVN 6259 : 2003Qui phm phn cp vng tu bin v thp.

4 Khi trang b khi ng t ng my pht in d phng c ni mch t ng vi cc thanh dn bng in,th vic ng in t ng vo cc thanh dn ch cho php mt ln trong trng hp ngun in ban u b

hng do ngn mch.5 Ngoi cc yu cu nu 3.7 ny, cc h thng iu khin t xa v iu khin t ng my pht in trnh

lc my chnh cung cp in cho cc trang b in lin quan ti cc thit b nu 3.1.2(1) Phn 4 caTCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp v c hot ng trong khi my chnhc iu khin bng cc thit b iu khin trn lu li, phi ph hp vi cc yu cu 3.1.2 Phn 4 caTCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.


1 Thit b an tonCc thit b an ton dng cho cc my pht in phi ph hp vi cc yu cu sau:

(1) Cc ng c ieden lai my pht in phi c trang b cc thit b an ton ct ngun cp dunhin liu cho cc ng c trong cc trng hp sau:(a) Vt qu tc ;

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(b) St p sut du bi trn;(c) Tng bt thng nng hi du trong hp trc khuu (i vi cc ng c c cng sut lin tc

ln nht bng v ln hn 2.250 kW hoc c ng knh xi lanh ln hn 300mi-l i-mt ) ;(d) Nhit u ra nc lm mt cao (p sut hoc lu lng nc thp).

(2) Cc tua bin lai my pht in phi c trang b cc thit b an ton ct ngun cp hi nc cho cctua bin trong cc trng hp sau:

(a) Qu tc ;(b) St p sut du bi trn;(c) p sut kh x cao hoc chn khng bnh ngng thp;(d) Rung ng bt thng (tr khi hi nc c cung cp t ni hi chnh).

(3) Cc my pht in chn vt phi c trang b cc thit b t ng gim tc (hoc gim ti) cng c in lai chn vt khi my pht in chn vt b qu ti. Tuy nhin khi trang b cc thit bng yu cu gim tc (hoc gim ti) c ng kim chp thun th c th thc hin gim bngtay.

2 Bo ngCc my pht in phi c trang b cc thit b bo ng hot ng khi c cc trng hp khc thngnu Bng 3.4 .

3.8 iu khin t ng v t xa trang b hm du

3.8.1 Thit b iu khin

Thit b iu khin phi ph hp vi cc yu cu 3.6.2-1 v 3.6.2-2 ca Qui phm ny cng nh cc yucu 9.12.2-1v 9.12.2-2Phn 3 ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp.


1 Thit b an tonCc thit b an ton phi ph hp vi cc yu cu 9.12.1 v 9.12.2-5 Phn 3 ca TCVN 6259 : 2003 Quiphm phn cp v ng tu bin v thp.

2 Bm d phngCc bm d phng cho cc bm di y ca h thng du nng cho cc ng dng quan trng phi cb tr sao cho c th khi ng t ng hoc t xa ngay lp tc ti trm iu khin tp trung hoc trmgim st v iu khin tp trung trn lu li khi p sut hoc lu lng cp ca cc bm ang hot nggim xung di gi tr nh trc hoc khi mt trong s cc bm ngng lm vic.

(1) Cc bm tun hon du hm nng;(2) Cc bm cung cp du nhin liu.

3 Bo ng

Cc trang b hm du phi c trang b cc thit b bo ng hot ng khi c cc trng hp khc thngnu Bng 3.5.

3.9 iu khin t ng v t xa ng c lai my ph


1 Thit b an tonCc ng c lai my ph thit yu cho h ng lc chnh ca tu phi c b tr sao cho dng hot ngc trong cc trng hp sau :

(1) Qu ti;

(2) St p sut du bi trn.2 Bo ng

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Cc ng c lai my ph thit yu cho h ng lc chnh ca tu phi c trang b cc thit b bo nghot ng khi c cc trng hp khc thng nu Bng 3.7 .

3.10 iu khin t ng v t xa cc my khc

3.10.1 My nn kh

1 Hot ng t ng ca cc my nn kh Khi cc my nn kh dng khi ng v cc my nn kh dng iu khin c hot ng t ng thphi trang b cc thit b bo ng ch bo s gim p sut cc bnh cha kh.

2 Thit b an tonCc my nn kh phi c b tr sao cho t ng dng c trong trng hp st p sut du bi trn.

3.10.2 Thit b trao i nhit

Cc thit b trao i nhit di y dng cho my chnh, ni hi chnh, ni hi ph quan trng, cc mypht in v cc ng c lai cc my ph thit yu cho h ng lc chnh ca tu phi c trang b ccthit b iu khin nhit iu chnh nhit ca du bi trn, nc/du lm mt v du nhin liu trongphm vi nh.

(1) Thit b lm mt du bi trn;(2) Cc thit b lm mt nc lm mt xi lanh;(3) Cc thit b lm mt cht lm mt piston;(4) Cc thit b lm mt cht lm mt van nhin liu;(5) Cc thit b hm du nhin liu;(6) Cc thit b hm dng cho cc b lc du nhin liu;(7) Cc thit b hm dng cho cc b lc du bi trn.

3.10.3 Bo ng nhit cao thit b hm du

Trong trng hp khi nhit ca du nhin liu v du bi trn c iu chnh t ng th phi trang bthit b bo ng nhit cao, tr khi du khng th b hm nng qu im chp chy.

3.10.4 Cc thit b ng v m cc van thng bin

Trong trng hp khi cc van thng bin nm tn v tu di ng nc ti c iu khin t nghoc iu khin t xa, th phi trang b cc thit b ng v m khc, cc thit b ny phi ng m c ddng ngay c khi cc thit b iu khin t xa hoc t ng b hng.

3.10.5 Cc h thng bo ng mc kt du nhin liu

Trong trng hp khi vic chuyn du ti cc kt du nhin liu c iu khin t ng, th cc kt nhndu phi c trang b cc thit b bo mc du cao v mc du thp.

3.10.6 H thng neo buc tu

Trong trng hp h thng neo buc tu c trang b cc thit b iu khin t xa th h thng neo buctu phi c kh nng iu khin hot ng c ti ch.

3.10.7 H thng n p du nhin liu

Trong trng hp h thng n p du nhin liu ti cc kt du nhin liu tng ng t bn ngoi tu (sauy gi l "h thng np du nhin liu") c trang b cc thit b iu khin t xa th h thng np dunhin liu phi vn np du c ngay c khi cc thit b iu khin t xa b hng.

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3.10.8 Bo ng

Cc my v h thng khc khng nu 3.10 ny phi c trang b cc thit b bo ng hot ng khi ccc trng hp khc thng nu Bng 3.8 .

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Bng 3.1(1) H ng lc chnh i--den (v cc c cu km theo)

Thng s kim tra Bo ng Ghi chNc lm mt ra khi mi xi lanh C u ra chung ca nc lm mt xi lanh nu khng

c cc van chn ringu ra cht lm mt piston ti mi xi lanh C i vi ng c c u ch thpu ra cht lm mt van nhin liu(vi phun) CDu bi trn vo CDu bi trn vo trc cam C i vi ng c u ch thp c h thng du bi

trn trc cam ring chn hoc du bi trn ra khi chn C i vi ng c c trang b chnDu bi trn ra khi mi tua bin kh x C Khi dng h thng du bi trn ring cho tua

bin kh xDu bi trn vo hp gim tc C Khi dng h thng du bi trn ring cho hp gim

tcNhin liu vo bm phun (bm cao p) C T Khi kim sot nht. C th chp nhn vic dng

bo ng nht cao v thp thay cho yu cu ny

N h i t

Kh x u ra ca mi xi lanh C

chnh lch u ra ca kh x mi xi lanh C

Khng yu cu i vi ng c pit tng hnh thng

c cng sut lin tc mi xi lanh nh hn hocbng 500kW Kh x u vo mi tua bin kh x CKh x u ra mi tua bin kh x CKh trong hp kh qut C i vi ng c c u ch thp. C th chp nhn

bo ng chy thay cho yu cu nyKh trong bnh kh nn C i vi ng c c pit tng hnh thngKh u ra b lm mt kh np C T Khi c trang b b kim sot nhit t ngNc vo lm mt xi lanh T Cng cht vo lm mt piston T i vi ng c c u ch thpCng cht vo lm mt van nhin liu T Du vo bi trn chnh v chn T Du vo bi trn u ch thp T i vi ng c c u ch thp c h thngDu vo bi trn trc cam T du bi trn ring cho u ch thpChnh lch gia u vo v u ra bu lcdu bi trn

C

Du vo bi trn tua bin kh x T Khi c dng h thng du bi trn ring cho hpDu vo bi trn hp gim tc T gim tcNhin liu vo bm phun du (bm cao p) T Kh khi ng vo ng c T Khng yu cu khi c trang b 1 thit b ch bo

rng van trung gian hoc van khi ng t ngang m hoc ng

A p s u

t

Nc bin lm mt T

n g c

i - e - d e n m

y c h

n h v h p s

Ch thch :C : ngha l cao v T : ngha l thp

: ngha l iu kin khng bnh thngCc k hiu ny p dng t Bng 3.1 n3.9

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Bng 3.1(2) H ng lc chnh i--den (v cc c cu km theo)

Thng s kim tra Bo ng Ghi chNc lm mt xilanh b nhim du C Khi nc lm mt xi lanh c dng trong bu

trao i nhit ca du nhin liu hoc du bitrn

Lu lng cht lm mt piston u ra mi xi

lanh

T i vi ng c u ch thp. C th chp

nhn bo ng khng c dng chy. Cc binphp khc cng c th c chp nhn nu, dothit k ca ng c, khng th kim sot clu lng ca cht lm mt pit tng.

Lu lng du bi trn mi b bi trn T Hoc khng c dng chyNng hi du hp trc khuu (cc te) C i vi ng c c cng sut bng v ln hn

2250 kW hoc c ng knh xi lanh ln hn300 mm , c th chp nhn bo ng nhit cao chnh, c khuu, hoc u ch thp v u ra du bi trn. Tuy nhin cc bong ny c th c min tr nu trang b ccthit b khc m ng kim cho l tngng.

Mc nc trong bnh kh qut C C th chp nhn cc bin php khco chiu sai i vi cc ng c t o chiu

C c v n

k h c

Khng khi ng c OR r nhin liu t ng ng cao p, mc dutrong kt du r r

Ch thch :C : ngha l cao v T : ngha l thp

: ngha l trng thi khng bnh thngCc k hiu ny p dng t Bng 3.1 n3.9

Bng 3.2 H ng lc chnh Tua-bin hi (v cc c cu km theo, Bu ngng chnh)

Thng s kim tra Bo ng Ghi ch

u vo du bi trn C

Nhit r to hoc u ra du bi trn C

chn r to hoc u ra du bi trn C hp gim tc hoc u ra du bi trn C chn hoc u ra du bi trn C

u vo du bi trn T

p Hi bnh ngng chnh T sut m hi nc C

T

Nc bin lm mt T Hoc lu lng

Ccvn

Mc nc bnh ngng chnh C p dng khi mc bnh ngng chnhc t cng mc vi mc ca tua bin

Rung ng r to hoc v C

khc dch chuyn dc trc r to CC th dng cc cm bin cho cc hthng an ton

C c t u a

b i h i n c m

y c h

n h

( v h p s ,

b n h n g

n g c h

n h )

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Bng 3.4 Cc t my pht in

Thng s kim tra Bo ng Ghi chDu bi trn vo CNc lm mt hoc kh lm mt ra C

Nhit Kh x u vo mi tua bin tng phoc u ra mi xi lanh

C Ch yu cu ti pha x ca mi xi lanh ivi cc ng c c cng sut lin tc lnnht vt qu 500kW/xilanh

Nhin liu vo bm phun (bm cao p) C T p dng khi kim sot nht nhin liu.C th chp nhn cc bo ng nht caov nht thp thay cho yu cu ny.

Du bi trn vo T p Nc lm mt vo T Hoc lu lng

sut Kh khi ng T Khng yu cu nu dng chung vi hthng ng kh khi ng ca my chnh

Nng hi du trong cc-te

C p dng cho cc ng c c cng sut

2250 kW hoc c ng knh xi lanh >300mm. Tuy nhin cc bo ng ny c th

c min gim nu trang b cc phngtin khc m ng kim cho l tngng.

n g c

i - -

d e n

l a i m y p h

t

Ccvn khc

Nhin liu r r t cc ng cao p, mcca kt cha du r r ny O

hit Du bi trn vo CDu bi trn vo T

psut Hi nc vo

T i vi cc tu tua bin hi nc, ch pdng khi dng hi nc trch ra t h thnghi chnh T u

a b i n

h i l a i

m y p h

t

Hi nc x ra C

Dng in Cin p C T M y p h

t

i n in

Tn s hoc vng quay ca my pht C

C th s dng cc u cm bin ca cc biu khin

Dng in Cin in p C T

Tn s hoc vng quay ca my pht C

C th s dng cc u cm bin ca cc biu khin

Du vo bi trn C p dng i vi h thng bi trn cngbc

Cun dy Stato hoc cun dy cc chung C p dng cho my pht c cng sut 500kW

Nhit

u ra ca khng kh hoc nc lm mt C C c m

y p h

t i n

c h n v

t

p sut Du vo bi trn T

p dng i vi h thng bi trn cngbc

Bng 3.5 H thng du nng

Thng s kim tra Bo ng Ghi chDu p sut u vo u t T t Nhit u vo u t T

DuChnh lch lu lng hoc p sut giau vo v u ra b hm

T

nng Nhit C

Mc du kt gin n T

Hthngdu

nngVn khc S c v chy

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Bng 3.6 Chn vt bin bc

Thng s kim tra Bo ng Ghi ch

Mc du kt T Chnvtbin

bc

Duthylc

p sut T

Bng 3.7 Cc ng c lai my ph

Thng s kim tra Bo ng Ghi chu vo du bi trn Cu ra nc lm mt C Hoc p sut hay lu lng nc lm mt thp

Nhit

Kh x mi u vo tua bin tng phoc u ra mi xi lanh

C

Cc

ngu vo bm phun du nhin liu C T Hoc nht, p dng khi thc hin iu khin

nht du nhin liuc u vo du bi trn T i-

-den p

sut u ra nc lm mtT Hoc lu lng ho c nhit u ra nc lm

mt caoCcvn Nng hi du hp trc khuu C Hoc nhit cao, khng yu cu i vi

khcng c ph hp vi c 3.5.4-7 (3)(a) v (b)

Nhit u vo du bi trn

C

Tua u vo du bi trn T bin p

sutu vo hi nc T i vi cc tu tua bin, ch p dng khi dng hi

nc trchHi nc x C

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Bng 3.8 Cc my v h thng khc

Thng s kim tra Bo ng Ghi ch mn thit b chng ct nc CH hng thit b lc nc Nhit u ra b hm du nhin liuhoc du bi trn

C Hoc lu lng ra khi bu hm thp

p sut nc bin T Khi h thng lm mt trung tm c chpthun dng cho h ng lc chnh p sut u ra bm nc ngng t T Hoc thit b lai bm khng lm

vic mn u ra bm nc ngng t C mn u ra bm x CNhit hi nc ca b kh qu nhitngoi

C T Gi tr T yu cu khi hi ncc dng cho my ph, tua binph c lin quan n my chnhca tu

p dngcho tutua binhinc

C c m

y p h

Mc thng hi (thng gi) C T

Mc du kt lng C T

Mc du kt trc nht C T C ch yu cu khi np du vo kt t ng.T ch yu cu cho cc kt c dung tch khng cho 24gi hot ng lin tc

Mc du kt du thi CMc du kt du cn CNhit du kt lng C p dng cho cc kt c trang b cc thit D

u n h

i n

l i u

Nhit du kt trc nht C b hm duMc du kt cha du cho my chnh T Mc du kt du thi CMc du kt du cn C

Dubitrnv

iukhin Mc du kt trng lc T

p dng cho bc trong ng bao trc

kiu bi trn bng ngm trong du, tua binkh x v hp gim tc ca tua bin hi nclai chn vt

Mc nc (lm mt) kt gin n T Mc nc kt ca my lc nc T

Nc Mc nc kt tng (kt lc) T p dng cho tu i--denKt gom nc h C T Mc nc kt nc chng ct T

p dng cho tu tua bin hi nc

Kh p sut ca bnh cha kh khi ng my

chnhT

C c

k t

p sut ca bnh cha kh khi ng ngc i--den lai my pht in

T p dng cho tu tua bin hi nc

p sut du thy lc iu khin T Khng yu cu khi chng c hp nht (thp) vi i tng c iu khin

p sut kh iu khin T Khng yu cu khi dng kh khi ng mkhng cn gim pNgun in cho h thng iu khin

p sut du thy lc cho h thng an ton T

p sut kh cho h thng an ton T Khng yu cu khi dng kh khi ng mkhng cn gim pNgun in cho h thng an ton Ngun in cho h thng bo ng

H thngiu khin

p sut du khp ni thy lc h trc chnh T

Nhit

nm trong ng bao trc hoc du bitrn C Hoc du bi trn ra khi ng bao trc khidng h thng bi trn tun hon cng bc.Htrc

chnhVn khc Tc ti hn

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Ch n g 4 h t h n g v n h n h bu n g mykh n g c n g i t r c c a t heo c h u k

4.1 Qui nh chung

4.1.1 Ph m vi p dng

1 Cc yu cu Chng ny p dng cho cc h thng vn bung my khng c ngi trc ca theo chu kca tu MO.

2 Cc h thng iu khin t ng v t xa ca tuMO c nu Chng5 phi ph hp vi cc yu cu chng ny.

4.1.2 Qui nh chung

1 Cc tuMO phi c thit k v b tr m bo rng s an ton ca tu l tng ng vi tu hotng c ngi trc ca lin tc mi ch khai thc tu, bao gm c ch iu ng. Vic thit k vtr phi c kh nng thc hin vn hnh bung my khng c ngi trc trong t nht l 24gi lin tc.

2 Cc h thng vn hnh bung my khng c ngi trc ca theo chu k ca tuMO phi ph hp vi ccyu cu Chng ny cng nh cc yu cu Chng3. Tuy nhin trong Chng3, cc yu cu su yphi c tha mn :

(1) 3.2.2-2(3) Cc bm d phng phi c b tr khi ng t ng.(2) 3.5.4-7(3) Cc bm d phng phi c b tr khi ng t ng.(3) 3.5.4-8(3)(a) Cc bm d phng phi c b tr khi ng t ng.(4) 3.5.4-8(3)(b) H thng phi c b tr chuyn i t ng sang dng cc bm tun hon.(5) 3.5.4-9(3) Cc bm d phng phi c b tr khi ng t ng.(6) 3.5.4-10(1) Cc bm d phng phi c b tr khi ng t ng.(7) 3.6.4-3 Cc bm d phng phi c b tr khi ng t ng.(8) 3.8.2-2 Cc bm d phng phi c b tr khi ng t ng.

4.2 H thng iu khin v kim tra lu li hoc tr m iu khin v kim tra tp trung trn luli

4.2.1 Cc thit b iu khin trn lu li

Cc thit b iu khin trn lu li nh nu 3.5.3 phi c b trong lu li. Cc thit b iu khin trnlu li b tr lu li hoc trm iu khin v kim tra tp trung trn lu li phi bao gm cc thit b nh t (1) n (4) di y :

(1) Cc thit b "ct ngang" (bypass) xa b tm thi hot ng ca cc thit b iu khin theo chngtrnh hoc cc thit b khc c ng kim ng c trang b ph hp vi yu cu (4) v c thitb ch th bo s hot ng ca cc thit b "ct ngang".

(2) Thit b "xa b" (override) ph hp vi cc yu cu 3.2.6-3 i vi cc h thng an ton m chngc trang b t ng dng my chnh trong trng hp c cc iu kin khc thng nu 3.5.4-7(1)(a) v (b), 3.5.4-8(1) hoc 3.5.4-9(1).

(3) Thit b "xa b" ph hp vi cc yu cu 3.2.6-3 v t ng gim tc hoc ti ca my chnh nu 3.5.4-7(2), 3.5.4-8(2) v 3.5.4-9(2).

(4) Cc thit b iu khin trn lu li phi c trang b cc thit b iu khin chng trnh hoc cc b c duyt khc m bo rng my chnh khng phi chu ng sut c hc v nhit v tc camy chnh c th tng hoc gim c d dng. Tuy nhin, trng hp c bit c ng kim chp

thun khi xt ti loi ng c, th c th khng c cn thit b iu khin theo chng trnh hoc ccthit b khc.

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4.2.2 Lu li

Cc thit b bo ng nu t (1) n (4) di y phi c b tr trn lu li :

(1) Cc thit b bo ng cho my chnh hoc cc chn vt bin bc, cc my pht in v cc my phthit yu phc v h ng lc chnh ca tu. Cc bo ng nh sng c th c hin th di dng bo

ng nhm. Tuy vy cc bo ng v vic dng t ng v gim tc hoc gim ti ca my chnhphi c hin th ring bit.(2) Cc thit b c duyt nh cc thit b bo ng yu cu gim tc hoc gim ti khc vi cc

bo ng nhm nu (1), trong trng hp khi gim tc hoc gim ti nh nu 3.5.4-7(2), 3.5.4-8(2) v 3.5.4-9(2) phi c thc hin bng tay.

(3) Cc thit b bo ng nc la canh.(4) Thit b bo ng my chy lu di di tc nguy him nu trongBng 3.8 3.10.8.

4.2.3 Tr m iu khin v kim tra tp trung trn lu li

1 Cc thit b bo ng c trang b trm iu khin v kim tra tp trung trn lu li phi ph hp vicc yu cu nu (1) v (2) sau:

(1) t nht cc bo ng nh sng sau y ca cc bo ng yu cu 3.4.2(6) phi c trang b ti cc vtr thun tin ch tay iu khin hot ng ca my chnh :(a) Bo ng v t ng dng my(b) Bo ng v t ng gim tc hoc ti hoc nhng bo ng v yu cu gim tc hoc gim

ti(c) Bo ng v s c ca cc h thng iu khin t xa nu 3.5.2-3(1)(d) Bo ng v s c khi ng t xa nu trongBng 3.1 3.5.4-7(4)(e) Bo ng v p sut kh nn khi ng thp nu 3.5.2-4(3)(f) Bo ng v vic my chy lu di tc nguy him nu trongBng 3.8 3.10.8.

(2) Cc thit b bo ng yu cu 3.4.2(6) v (9) tr nhng thit b nu (1), phi c b tr sao chocc trng thi lm vic ca my phi nhn thy c t ch tay iu khin hot ng ca my chnh.Nu iu ny khng th thc hin c, th cn phi trang b cc bo ng nh sng b sung di dngch th theo nhm.

2 Trm iu khin v kim tra tp trung trn lu li phi ph hp vi cc yu cu sau y v hnh dng, kchthc v b tr.

(1) Trm iu khin v kim tra tp trung trn lu li phi c t trong phm vi mt sn boong khng cvch ngn (vch thp, g, knh, v.v...) bn trong trm, tr khi iu c ng kim thy rng khngth trnh khi.

(2) T i trm iu khin v kim tra tp trung trn lu li, bt k mt bo ng m thanh v lnh pht ra t mt v tr no phi c kh nng nghe c r rng v trc tip bt k mt v tr no khc.

4.3 Bin php an ton, thit b thng tin

4.3.1 Tnh lin tc ca ngun in cung cp

1 Nu bnh thng ngun in c cung cp bi mt my pht in th ngun in chnh phi ph hp vicc yu cu sau y :

(1) Phi trang b cc thit b gim ti thch hp m bo gi nguyn vic cung cp in cho cc ph tiphc v h ng lc v h thng li cng nh an ton ca tu trong trng hp my pht b qu ti.

(2) Trong trng hp mt ngun in cung cp ca my pht ang hot ng, th my pht d phng c cng sut phi c kh nng t ng khi ng v ng in ln bng in chnh duy tr hot ngca h ng lc v h thng li, v m bo an ton cho tu nh t ng khi ng li cc my phthit yu bao gm c cc hot ng tip theo sau.

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(3) My pht d phng nh nu (2) phi c kh nng cung cp in trong khong thi gian khng qu 45giy sau khi b mt ngun in.

2 Nu bnh thng ngun in c cung cp t hai my pht in tr ln ng thi lm vic song song, thphi thc hin bin php nh ct bt ti sao cho khi mt my b hng th cc my pht cn li vn cungcp in duy tr hot ng ca h ng lc v h thng li, v m bo an ton cho tu m khng bqu ti.

4.3.2 My nn kh

1 Vic khi ng cc my nn kh phi c kh nng thc hin t ng duy tr p sut trong cc bnh chkh khi ng di p sut c nh trc.

2 Cc my nn kh dng np cc bnh cha kh iu khin phi c kh nng hot ng t ng duy trp sut trong cc bnh cha kh iu khin di p sut c nh trc.

4.3.3 Phng tin thng tin

1 nhng tu c trm iu khin v kim tra tp trung trn lu li, phi trang b thit b thng tin truynthanh gia trm iu khin v kim tra tp trung trn lu vi trm iu khin ti ch my chnh (nu ctrm iu khin ph th trm ny thay cho trm iu khin ti ch) v vi bung s quan my.

2 Vi nhng tu khng c trm iu khin v kim tra tp trung trn lu li, phi trang b thit b thng tintruyn thanh gia lu li vi trm iu khin tp trung, trm iu khin ti ch my chnh v bung squan my.

3 Thit b thng tin nh nu -1 v -2 trn phi c kh nng hot ng khng ph thuc vo ngun inchnh.

4.3.4 H thng bo ng

Cc h thng bo ng phi tha mn nhng yu cu sau:

(1) Cc h thng bo ng phi c b tr t ng chuyn i sang ngun cp d phng c lp trongtrng hp ngun cp chnh b mt.

(2) S c ca ngun cp chnh v ngun cp d phng nh nu (1) phi c ch bo bng cc bo ngc lp.

(3) Cc thit b bo ng phi c trang b bung cc s quan my ch bo s c ca my chnh,my pht in, cc my ph thit yu phc v my chnh. Vi yu cu ny th cc bo ng nh sc th c hin th di dng bo ng nhm.

(4) Cc thit b bo ng trang b bung cc s quan my phi ph hp vi cc yu cu sau :(a) Cc thit b bo ng phi c trang b cc bung chung ca s quan my.(b) Cc thit b bo ng phi c trang b cc bung ring tng ng vi cc s quan my v ph

c s lin lc ti mi tng ca bin s quan my qua cng tc chn m bo vic lin lc ti t nhtmt tng ca bin ca s quan my ang trc ca.

(c) Cc thit b bo ng phi c kh nng pht ra tn hiu bo ng cho s quan my yu cu 1.3.8Phn 3 ca TCVN 6259 : 2003 Qui phm phn cp v ng tu bin v thp nu mt bo ngcha c nhn bit ti ch trong mt khong thi gian qui nh.

(5) Cc thit b bo ng m thanh cnh bo cc s c ca my v trang b nh nu 1.1.7 (13)(a) n(g) phi c lp t ti cc khng gian t my chnh, ni hi, cc my pht in, v.v...

(6) i vi cc tu c trang b trm iu khin v kim tra tp trung trn lu li, vic tt ti ch cc bong m thanh trang b bung cc s quan my phi khng lm ngng cc bo ng m thanh yucu (5) v cc bo ng m thanh v nh sng trang b trm iu khin v kim tra tp trung trnlu li. i vi nhng tu khc vi nhng tu ni trn th vic tt ti ch cc bo ng m thanhc trang b trn lu li v bung cc s quan my phi khng lm ngng cc bo ng m thanhyu cu (5) v cc bo ng bng m thanh v nh sng trang b trm iu khin tp trung.

(7) Khi hot ng ca my khng ngi trc ca c chp nhn, cc h thng bo ng cnh bo s c my v trang b nu 1.1.7 (13)(a) n (g) phi sao cho ngi trc ca trn lu li thy c r khi :

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(a) Mt s c xut hin(b) Mt s c ang tn ti, v(c) S c c khc phc.

Tuy nhin, h thng thng tin nh nu 4.3.3 c php thay th cho trng hp nu (c).

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Ch n g 5 Thit bt n g ha c tr n g

5.1 Qui nh chung

5.1.1 Ph m vi p dng

Nhng yu cu Chng ny p dng cho thit b t ng ha c trng.5.2 Tiu chun i vi thit b t ng ha c trng

5.2.1 H thng n p du nhin liu c iu khin t xa

Cc h thng np du nhin liu c iu khin t xa (gii hn trong trng hp n p du nhin liu chomy chnh (bao gm c ni hi chnh)) phi c trang b cc h thng nh di y, v cc h thng nyphi c t cng gn nhau cng tt. Tuy vy, c th min gim qui nh (3) khi ng kim xt thy cth chp nhn khi xem xt n kt du nhin liu v b tr van.

(1) Cc h thng kim tra mc ca kt du nhin liu

(2) Cc h thng bo mc ti hn ca kt du nhin liu(3) Cc h thng iu khin van dng thc hin np du nhin liu(4) Cc h thng iu khin khc cn thit cho vic np du

5.2.2 Cc thit b neo buc tu c iu khin t xa

Khi cc ti neo c iu khin t xa th cc thit b neo buc tu c iu khin t xa phi c kh nngiu khin hiu qu t nht ba ng neo ti mi v li tu.

5.2.3 Cc thit b neo buc tu c iu khin t xa c lp

B sung thm cho5.2.2, cc thit b neo buc tu iu khin t xa c lp phi c kh nng iu khin c

lp mi trng ca ti neo t i v tr iu khin t xa.5.2.4 H thng li t ng

Khi my li c iu khin t ng th cc h thng li t ng phi ph hp vi cc yu cu sau :

(1) Hng mi tu phi c duy tr ti hng t trc nh phi hp vi la bn t hoc la bn in.(2) Khi ch li c chuyn t li tay sang t ng th hng mi tu phi c kh nng chuyn ng

sang hng t trc.(3) S vn hnh phi d dng v tin cy.(4) Ngoi vic iu khin tc ng t hng, bt k iu khin no khc phi khng nh hng ng k

n hng ca tu.

(5) Thit b li phi l t hp thng nht ngn nga cc tc ng khng cn thit ca bnh li lm chotu i chch hng.(6) Phi trang b cc ch bo trng thi ang hot ng ca thit b li t ng.(7) Phi trang b thit b hn ch gc bnh li, v ch th rng bnh li ang dn ti gc gii hn nh

trc.(8) Cc bo ng m thanh v nh sng phi c pht ra trn lu li khi hng mi tu b lch vt qu

gi tr t trc.(9) Cc bo ng m thanh v nh sng phi c pht ra trn lu li ch bo s c ngun cp in cho

li t ng v cc h thng bo ng nu (8).(10) Cc yu cu khc nu ng kim thy cn thit.

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(2) Trng thi m v trng thi ng ca cc ca mn phi c xc nh ti v tr iu khin vic ng vm.

(3) Khi ng kim xt thy cn thit, phi trang b cc phng tin m bo an ton cng vic ng vm.

5.2.8 Thit b kim tra cc con-te-n ng l nh

Cc thit b kim tra con-te-n ng lnh phi c kh nng thc hin cc chc nng sau y cho cc con-te-n ng lnh ch hng l nh:

(1) Kim tra trng thi hot ng ca cc my lm lnh.(2) Kim tra tnh trng lm vic ca thit b lm tan bng.(3) Kim tra cc bo ng v di nhit bn trong cc con-te-n ng lnh.

5.2.9 Ti ko dy khn cp

Cc ti ko dy khn cp phi c kh nng hot ng d dng ko dy khn cp c s dng khi ritu

5.2.10 Ti iu khin ng mm lm hngCc ti iu khin ng mm lm hng phi c kh nng iu khin d dng vic thc hin ni hoc tchcc ng mm lm hng.

5.2.11 Cc thit b ghi t ng

Cc thit b ghi t ng phi c kh nng t ng ghi li trng thi hot ng ca my chnh.

5.2.12 H thng kim tra tp trung cc my

Cc h thng kim tra tp trung cc my phi c kh nng ch bo r rng ti lu li p lc du bi trn,

nhit nc lm mt v cc thng tin cn thit khc kim tra cc trng thi ca my chnh, cc ngc lai my pht in (tr cc my pht in s c), cc ni hi chnh, cc ni hi ph cn thit v cc mykhc lin quan ti h ng lc tu.

5.2.13 H thng iu khin tp trung cc my

Cc h thng iu khin tp trung cc my phi c kh nng iu khin hiu qu ngay ti lu li: mychnh, cc ng c lai my pht in (tr cc my pht s c), cc ni hi chnh, cc ni hi ph cn thiv cc my khc cn thit cho hot ng ca cc my k trn.

5.2.14 Thit b thu thang hoa tiu dng nng lng

Thit b thu thang hoa tiu dng nng lng phi c kh nng vn hnh d dng thu thang hoa tiu ti vtr iu khin.

5.2.15 Thit b ra boong c nh

Cc thit b ra boong c nh phi ph hp vi nhng yu cu sau:

(1) Cc thit b ra boong c nh phi c kh nng ra cc boong v cc np hm hng.(2) Cc my ra boong phi bn chu c p sut lm vic ca n v kh nng chng n mn

i vi nc bin.(3) Cc ng ng nc ra boong phi c c nh chc chn vo v tu.

5.2.16 Thit b iu khin cnh g lu liCc thit b iu khin cnh g lu li phi ph hp vi nhng yu cu sau y:

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(1) Cc thit b iu khin cnh g lu li phi c kh nng iu khin c my chnh, hoc chn vtbin bc v cc h thng li ti cc cnh g lu li.

(2) Cc thit b iu khin cnh g lu li phi ph hp vi cc yu cu ca4.2.1. Tuy nhin c thkhng phi lp t thm cc kh c v cc thit b m c lp t lu li theo cc yu cu 4.2 vc th dng c cho cc thit b iu khin cnh g lu li.

(3) Cc thit b iu khin cnh g lu li phi c trang b b ch bo gc bnh li. Tuy vy, thit b ny

c th khng yu cu trong trng hp khi ch th gc bnh li d dng c c t trm iu khinc lp t trn cnh g lu li.

5.3 Thit b t ng ha c trng cp A

5.3.1 Qui nh chung

Cc yu cu c nu 5.3 ny p dng cho cc tu d kin c ng k tu c trang b thit b t ngha c trng cp A.

5.3.2 Cc yu cu

Cc tu d kin c ng k tu c trang b thit b t ng ha c trng cp A phi c trang b ccthit b t ng nu 5.2.1, 5.2.2, 5.2.4 n5.2.7 v 5.2.11 v cc thit b khc m ng kim thy cnthit. Tuy vy, c th khng cn phi trang b mt s thit b nu c ng kim ng khi xt n cngdng ca tu, phng php lm hng, v.v...

5.4 Thit b t ng ha c trng cp B

5.4.1 Qui nh chung

Cc yu cu c nu 5.4 ny p dng cho cc tu d kin c ng k tu c trang b thit b t ngha c trng cp B.

5.4.2 Cc yu cu

Cc tu d kin c ng k tu c trang b thit b t ng ha c trng cp B phi c trang b ccthit b t ng nu 5.2.1, 5.2.2, 5.2.4 n5.2.12 v cc thit b khc m ng kim thy l cn thit.Tuy vy, c th khng cn phi trang b mt s thit b nu c ng kim ng khi xt n cng dngca tu, phng php lm hng, v.v...

5.5 Thit b t ng ha c trng cp C

5.5.1 Qui nh chung

Cc yu cu c nu 5.5 ny p dng cho cc tu d kin c ng k tu c trang b thit b t ngha c trng cp C.

5.5.2 Cc yu cu

Cc tu d kin c ng k tu c trang b thit b t ng ha c trng cp C phi c trang b ccthit b t ng nu 5.2.1, 5.2.3 n5.2.15 v cc thit b khc m ng kim thy l cn thit. Tuyvy, c th khng cn phi trang b mt s thit b nu c ng kim ng khi xt n cng dng catu, phng php lm hng, v.v...

5.6 Thit b t ng ha c trng cp D

5.6.1 Qui nh chung

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Cc yu cu c nu 5.6 ny p dng cho cc tu d kin c ng k tu c trang b thit b t ngha c trng cp D.

5.6.2 Cc yu cu

Cc tu d kin c ng k tu c trang b thit b t ng ha c trng cp D phi c trang b cthit b t ng nu 5.2.1, 5.2.3 n5.2.16 v cc thit b khc m ng kim thy l cn thit. Tuyvy, c th khng cn phi trang b mt s thit b nu c ng kim ng khi xt n cng dng catu, phng php lm hng, v.v...

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Rul es f o r Auto ma t i c a n d Remo te Co n t r o l Syst ems

Ch a pter 1 GENERAL

1.1 General

1.1.1 Scope

The Rules for the Automatic and Remote Control Systems (hereinafter referred to as"the Rules") apply to thesurvey and construction of centralized monitoring and control systems for main propulsion and essentialauxiliary machinery, operating systems for periodically unattended machinery spaces and specific automationequipment (hereinafter referred to as"automatic and remote control systems") of ships classed with VIETNAMREGISTER (hereinafter referred to as"VR") and intended to be registered under Part 1A of the Rules for Classification and Construction of Sea-going Steel Ship, TCVN 6259 : 2003 .

1.1.2 Equivalency

Automatic and remote control systems which do not fully comply with the requirements of the Rules may beaccepted provided that they are deemed by VR to be equivalent to those specified in the Rules.

1.1.3 Modification of requirements

VR may modify parts of the requirements specified in the Rules taking the national requirements of the ship'sflag state, kind of the ship and intended service areas of the ship into consideration.

1.1.4 Automatic and remote control systems with novel design featur esFor automatic and remote co

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TCVN 6277_V_E