Quy Trinh Thao Tac Htd Quoc Gia

QUY TRNH

QUY TRNH

Thao tc h thng in quc gia

(Ban hnh km theo Quyt nh s 16 /2007/Q-BCN

ngy 28 thng 3 nm 2007 ca B trng B Cng nghip)

Chng I

QUY NH CHUNGiu 1. Quy trnh ny quy nh cc nguyn tc v hot ng trong thao tc thit b in ca nh my in v trm in, li in t 1 kV tr ln trong ch bnh thng. Trong ch s c, thao tc cc thit b in ca nh my in v trm in thc hin theo Quy trnh X l s c h thng in quc gia ban hnh theo Quyt nh s . ngy.. ca B trng B Cng nghip.

iu 2. Quy trnh ny p dng i vi cc cp iu , t chc, c nhn tham gia hot ng in lc v s dng in trn lnh th Vit Nam c thit b in hoc li in u ni vi h thng in quc gia. Trong trng hp mua bn in qua bin gii, vic thao tc cc thit b u ni c thc hin theo tha thun iu c k kt gia hai bn.

Trn c s ca Quy trnh ny, cc cp iu , t chc, c nhn tham gia hot ng in lc v s dng in trn lnh th Vit Nam bin son cc quy nh v thao tc ca n v mnh c xt n c im s in, c im k thut ca thit b, cc quy nh ca nh ch to.

iu 3. Gii thch t ng

1. Ch bnh thng l ch kt dy c bn theo phng thc vn hnh c xc nh, mi thng s ca thit b ang vn hnh trong h thng in quc gia u trong gii hn cho php.

2. DCS l h thng iu khin tch hp t ti nh my in hoc trm in.

3. iu vin l ngi trc tip ch huy iu h thng in phn phi.

4. n v qun l vn hnh l n v s hu, qun l v vn hnh thit b u ni vi h thng in quc gia, bao gm: n v pht in, n v truyn ti in, n v phn phi in.

5. Gi cao im l khong thi gian nhu cu s dng in cc i.

a) Gi cao im ngy: T 9h30 n 11h30;

b) Gi cao im ti:

T ngy 16/04 n 15/10: T 18h00 - 20h00;

T ngy 16/10 n 15/04: T 17h00 - 19h00.

6. GIS l trm in kn (cch in bng kh SF6 hoc du p lc).

7. H thng in quc gia l h thng cc trang thit b pht in, li in v cc trang thit b ph tr c lin kt vi nhau v c ch huy thng nht trong phm vi c nc, thuc quyn iu khin v kim tra ca cp iu quc gia.

8. H thng in min l h thng in nm trong min Bc, Trung hoc Nam c cp in p ( 220 kV, thuc quyn iu khin v kim tra ca cp iu min.

9. H thng phn phi l h thng in c cp in p ( 35 kV thuc quyn iu khin ca cp iu phn phi.

10. K s iu hnh h thng in quc gia l k s iu hnh h thng in trc tip ch huy iu h thng in quc gia.

11. K s iu hnh h thng in min l k s iu hnh h thng in trc tip ch huy iu h thng in min.

12. Lnh thao tc l yu cu thc hin thao tc nhm mc ch iu .

13. Ngi ra lnh l ngi c quyn iu khin thit b hoc ngi c u quyn iu khin thit b theo phn cp iu h thng in c quy nh ti Quy trnh iu h thng in quc gia ban hnh km theo Quyt nh s 56/2001/Q-BCN ca B trng B Cng nghip ngy 26 thng 11 nm 2001.

14. Ngi nhn lnh l nhn vin vn hnh cp di trc tip ca ngi ra lnh.

15. Nhn vin vn hnh l ngi tham gia trc tip iu khin qu trnh sn xut in, truyn ti in v phn phi in gm: K s iu hnh h thng in; iu vin; trng ca nh my in; trng kp hoc trc chnh trm in.

16. n nh tnh l kh nng ca h thng in sau nhng kch ng nh phc hi c ch ban u hoc rt gn vi ch ban u (trong trng hp kch ng khng c loi tr).

17. n nh ng l kh nng ca h thng in sau nhng kch ng ln phc hi c trng thi ban u hoc gn trng thi ban u (trng thi vn hnh cho php).

18. RTU l thit b u cui ca h thng gim st iu khin v thu thp s liu (t ti trm in hoc nh my in).

19. SCADA l h thng gim st iu khin v thu thp s liu (t ti trung tm iu ).

20. S c l s kin khng mong mun xy ra trong h thng in, nh hng n vn hnh an ton, lin tc, n nh v cht lng in nng ca h thng in.

21. Thao tc l hot ng thay i trng thi ca mt hoc nhiu thit b trong h thng in nhm mc ch thay i ch vn hnh ca phn t .

21. Trm in l trm bin p, trm ct, trm b.

Chng II

T CHC THAO TCMc 1

LNH THAO TCiu 4. Lnh thao tc do ngi ra lnh truyn trc tip cho ngi nhn lnh bng li ni thng qua h thng thng tin lin lc. Trng hp c bit, khi mt lin lc c th truyn lnh thao tc qua nhn vin vn hnh trc ban trung gian ti cc n v khc. Trong trng hp ny, nhn vin nhn chuyn lnh thao tc phi ghi chp lnh y vo s v c ghi m, c trch nhim chuyn ngay lnh thao tc n ng ngi nhn lnh.

iu 5. Khi truyn t lnh, ngi ra lnh phi ni r h tn mnh v phi xc nh r h tn, chc danh ngi nhn lnh. Lnh thao tc phi c ghi m v ghi chp y .

iu 6. Lnh thao tc phi ngn gn, r rng v chnh xc, phi ch r mc ch thao tc v trnh t tin hnh thao tc. Ngi ra lnh, ngi nhn lnh phi hiu r trnh t tin hnh tt c cc bc thao tc d kin, iu kin cho php thc hin theo tnh trng s thc t v ch vn hnh thit b.

iu 7. Khi c kh nng khng lin lc c vi cc nhn vin thao tc lu ng, cho php ra lnh cc nhn vin ny trc khi i thc hin thao tc ng thi nhiu nhim v thao tc v thng nht thi gian hn gi thao tc, nhng phi so v chnh li gi theo ng h ca ngi ra lnh. Cm thao tc khi sai gi hn thao tc.

iu 8. Ngi nhn lnh thao tc phi nhc li ton b lnh, ghi chp y trnh t thao tc, tn ngi ra lnh v thi im yu cu thao tc. Ch khi ngi ra lnh xc nh hon ton ng v cho php thao tc th ngi nhn lnh mi c tin hnh thao tc. Thao tc xong phi ghi li thi im kt thc v bo co li cho ngi ra lnh.

Trng hp ngi nhn lnh cha hiu r lnh thao tc th c quyn ngh ngi ra lnh gii thch, ch tin hnh thao tc khi hiu r lnh thao tc.

iu 9. Lnh thao tc c coi l thc hin xong khi ngi nhn lnh bo co cho ngi ra lnh bit kt qu hon thnh hoc qu gi hn thao tc.Mc 2

PHIU THAO TCiu 10. Mi thao tc u phi c lp phiu thao tc trc khi tin hnh thao tc tr cc trng hp sau:

1. X l s c. Trong trng hp ny nhn vin vn hnh phi ghi chp y cc bc thao tc x l s c vo s nht k vn hnh;2. Ti cc cp iu , thao tc n gin c s bc thao tc khng qu 3 bc. Trong trng hp ny ngi ra lnh phi ghi chp y cc bc thao tc vo s nht k vn hnh trc khi thc hin thao tc;

3. Thc hin theo phiu thao tc mu quy nh ti iu 16 Quy trnh ny. Trong trng hp ny, nhn vin vn hnh phi kim tra phiu thao tc mu ph hp vi s kt li hin ti.

Phiu thao tc c lp theo biu mu quy nh gm mu 01-PTT/BCN v quy nh p dng ti Ph lc 2; mu 02-PTT/BCN v quy nh p dng ti Ph lc 3.

iu 11. Lp v duyt phiu thao tc theo k hoch1. Ti cp iu h thng in quc gia v cp iu h thng in min: Phiu thao tc do cn b phng thc lp; gim c hoc ph gim c duyt hoc ngi c gim c u quyn duyt.

2. Ti cc cp iu h thng phn phi: Phiu thao tc do cn b phng thc lp; trng hoc ph cp iu duyt hoc ngi c lnh o in lc giao nhim v.

3. Ti cc in lc hoc chi nhnh in qun, huyn: Phiu thao tc do k thut vin lp; trng hoc ph chi nhnh duyt hoc ngi c lnh o in lc giao nhim v duyt.

4. Ti cc nh my in: Phiu thao tc do ngi trc chnh lp; trng kp, trng ca duyt hoc ngi do lnh o nh my in giao nhim v duyt.

5. Ti cc trm in: Phiu thao tc do ngi trc chnh lp; trng hoc ph trm duyt.

iu 12. Lp v duyt phiu thao tc t xut

1. Ti cc cp iu : Phiu thao tc do k s iu hnh h thng in hoc iu vin ng ca lp v duyt.

2. Ti nh my in hoc trm in: Phiu thao tc do nhn vin vn hnh trc tip thit b lp v nhn vin vn hnh cp trn ph duyt.

iu 13. i vi thao tc ch tin hnh trong phm vi mt trm in hoc nh my in, ngi ra lnh c th u quyn cho ngi nhn lnh vit phiu thao tc v c ngi ra lnh duyt phiu thao tc.

iu 14. Phiu thao tc phi r rng, khng c sa cha ty xa. Trong phiu thao tc cn lm r phiu c vit cho s ni dy no. Trc khi tin hnh thao tc phi kim tra s tng ng ca s ni dy thc t vi s trong phiu, nu s trong phiu khng ng vi s thc t phi vit li phiu thao tc khc ph hp vi s thc t. Mi s thay i ni dung thao tc trong phiu thao tc ph hp vi s thc t phi c s ng ca ngi duyt phiu, phi c ghi vo mc "Cc hin tng bt thng trong thao tc" v s nht k vn hnh.

iu 15. Cc phiu thao tc lp ra phi c nh s. Nhng phiu thao tc thc hin xong phi c lu tr t nht 03 thng. Phiu thao tc phi c lu li trong h s iu tra trong trng hp thao tc c xy ra s c hoc tai nn.

iu 16. Phiu thao tc mu c lp cho nhng trng hp sau:

1. Thao tc tch hoc a vo vn hnh thanh ci;2. Thao tc dng my ct vng thay cho my ct ang vn hnh v ngc li;

3. Thao tc tch ra hoc a vo vn hnh my bin p;

4. Thao tc tch hoc a vo vn hnh cc thit b b;

5. Thao tc tch hoc a vo vn hnh ng dy.

Phiu thao tc do cc cp iu hoc n v qun l vn hnh thit b lp nhng u phi c ngi ra lnh duyt trc khi thao tc.Mc 3

THC HIN THAO TCiu 17. Quan h trong thao tc gia cc nhn vin vn hnh cc cp iu vi nhn vin vn hnh cp di c quy nh ti Quy trnh iu h thng in quc gia ban hnh km theo Quyt nh s 56/2001/Q-BCN ca B trng B Cng nghip ngy 26 thng 11 nm 2001. Quan h trong thao tc gia cc nhn vin vn hnh cng mt n v tun theo quy nh ca n v .

Ngi thc hin thao tc phi thc hin cc bin php an ton theo Quy trnh K thut an ton in hin hnh.

iu 18. Trc khi ra cc lnh thao tc, ngi ra lnh phi ch cc ni dung sau:

1. Tn phiu thao tc v mc ch thao tc;

2. Thi gian bt u v thi gian kt thc thao tc;

3. S kt dy hin ti ca h thng in, ca li in khu vc hoc ca nh my, ca trm in cn thao tc;

4. Tnh trng vn hnh ca cc thit b ng ct. Tnh trng vn hnh v nguyn tc hot ng ca r le bo v, thit b t ng, cun dp h quang, im trung tnh ni t, thit b o lng, iu khin v tn hiu t xa;

5. Nhng phn t ang ni t vnh cu;

6. D on xu hng thay i cng sut, in p trong h thng in sau khi thao tc v phi c bin php iu chnh thch hp trnh qu ti, in p thp hoc qu p theo quy nh v iu chnh in p;

7. S h thng thng tin lin lc iu , h thng SCADA, c bit trong nhng trng hp cc thao tc c nh hng n phng thc vn hnh ca h thng thng tin lin lc v SCADA;

8. Ngun cung cp v s h thng t dng;

9. Cc bin php an ton i vi ngi v thit b, cc lu khc lin quan n thao tc;

10. Ngi ra lnh chu trch nhim cui cng v phiu thao tc, phi c k phiu thao tc, pht hin nhng im khng hp l v k tn vo phiu thao tc trc khi ra lnh thao tc.

iu 19. Khi thc hin phiu thao tc, cc nhn vin nhn lnh thao tc phi ch cc ni dung sau:

1. c k phiu thao tc v kim tra phiu thao tc phi ph hp vi mc ch ca thao tc;

2. Khi thy c iu khng hp l hoc khng r rng trong phiu thao tc cn ngh ngi ra lnh thao tc lm sng t. Ch c thc hin thao tc khi hiu r cc bc thao tc;

3. Ngi nhn lnh thao tc phi k v ghi r h tn vo phiu thao tc trc khi thao tc;

4. Trc khi tin hnh thao tc phi kim tra s tng ng ca s ni dy thc t c ph hp vi phiu thao tc khng;

5. Tt c cc thao tc u phi thc hin ng theo trnh t nu trong phiu. Khng c t thay i trnh t khi cha c php ca ngi ra lnh;

6. Khi thc hin xong cc bc thao tc, phi nh du tng thao tc vo phiu trnh nhm ln v thiu st cc hng mc;

7. Trong qu trnh thao tc nu c xut hin cnh bo hoc c nhng trc trc v thit b v nhng hin tng bt thng phi kim tra tm nguyn nhn trc khi thc hin cc thao tc tip theo;

8. Mi thao tc dao cch ly hoc dao tip a bng iu khin xa u phi kim tra trng thi ti ch ngay sau mi ln thao tc, ring trm GIS phi kim tra tn hiu c kh ch trng thi ti ch ca dao cch ly hoc dao tip a. Quy nh thao tc my ct v dao cch ly xem Mc 1 v Mc 2 Chng III ca Quy trnh ny.

iu 20. Hn ch cc thao tc trong gi cao im cng nh trong thi gian giao nhn ca. Ch cho php thao tc vo cc thi im trn trong trng hp s c hoc e da an ton n ngi hoc thit b, gy ra hn ch ph ti hoc lm gim n nh ca h thng in.

Nu thao tc c thc hin t trc v ko di n gi giao nhn ca th nhn vin ca trc phi la chn hng mc thao tc ngng cho hp l. Trong trng hp thao tc phc tp, nhn vin ca trc phi li thc hin ht cc hng mc thao tc, ch c php giao ca nu c s ng ca lnh o trc tip ca n v. Lnh o trc tip ca n v cho php nhn vin vn hnh giao nhn ca trong trng hp ny phi chu hon ton trch nhim v quyt nh ca mnh.

iu 21. Mi thao tc u phi c hai ngi phi hp thc hin: Mt ngi gim st v mt ngi trc tip thao tc. Hai ngi ny phi bit r s v v tr ca thit b ti hin trng; c o to v kim tra t c chc danh vn hnh; c b tr lm cng vic trc thao tc. Ngi trc tip thao tc phi c trnh an ton t bc 3, ngi gim st phi c trnh an ton t bc 4 tr ln. Trong mi trng hp, c hai ngi u chu trch nhim nh nhau v thao tc ca mnh.

iu 22. Trnh t tin hnh thao tc theo phiu thao tc nh sau:

9. Ti v tr thao tc hoc iu khin, nhn vin vn hnh phi kim tra cn thn li xem tn cc thit b c tng ng vi tn trong phiu thao tc khng;

10. Khi khng nh thit b phi thao tc l ng, ngi gim st c, ngi thao tc nhc li v thc hin tng bc thao tc theo phiu thao tc.

iu 23. Khi tin hnh cc thao tc phc tp nh ng in, th nghim thit b mi phi c thc hin theo phng thc c ph duyt, c s thng nht vi cc b phn lin quan v vi cp iu tng ng trong ch r ngi chu trch nhim ton b qu trnh thc hin thao tc v nhng cng vic ghi trong chng trnh.

iu 24. Sau khi kt thc thao tc, nhn vin vn hnh phi thc hin cc th tc giao nhn thit b theo ng quy nh, ghi chp y vo s nht k vn hnh, s giao nhn ca tn phiu thao tc, nhng thay i trong s r le bo v v t ng, t hoc tho g cc tip a di ng c ch r a im, cc thay i kt dy trn s vn hnh, cc i cng tc ang lm vic hoc kt thc cng tc.

iu 25. Trc khi a thit b hoc ng dy vo vn hnh sau sa cha, nhn vin vn hnh phi khng nh chc chn tt c cc n v cng tc (ngi v phng tin) rt ht, tho ht tip a di ng, kho tt c cc phiu cng tc.

iu 26. Trong qu trnh thao tc cc thit b nht th, ngi thao tc phi kp thi tin hnh nhng thao tc cn thit i vi thit b bo v r le v t ng ph hp vi quy trnh ca n v v vn hnh cc trang thit b .

Nu tch my bin p c trung tnh ni t ra khi vn hnh, phi kim tra ch ni t trung tnh quy nh cho cng trnh hoc li in khu vc.

Nu a thit b ra sa cha m to ra tnh hung my bin dng nm gia hai im tip t, trnh bo v so lch thanh ci c th tc ng nhm trong qu trnh th nghim, mch ca my bin dng cn phi tch khi bo v so lch thanh ci trc khi ng tip a v thc hin th nghim.

iu 27. Cm thc hin thao tc ng in ng dy hoc thit b trong trng hp tt c cc bo v chnh u khng lm vic.

iu 28. Mch kho lin ng (mch logic) c trang b phng trnh nhng thao tc nhm ca nhn vin vn hnh. Trong trng hp khng thc hin c mt thao tc my ct hoc dao cch ly, nhn vin vn hnh phi dng thao tc kim tra:

1. Thao tc ng hay sai;

2. V tr ng hay ct ca thit b c lin quan n cc thao tc ang tin hnh c ng vi mch kho lin ng khng;

3. Mch kho lin ng c lm vic tt khng. Nu kt qu kim tra cho thy c sai st mch kho lin ng th phi thng bo ngay cho ngi ra lnh thao tc;

4. Nhn vin vn hnh khng c t tch hoc c lp cc mch kho lin ng. Trng hp cn thay i mch kho lin ng phi c quy nh v c s ng ca lnh o trc tip n v hoc ca Nhn vin vn hnh cp trn.

Chng IIICC THAO TC C BNMc 1

THAO TC MY CTiu 29. Quy nh chung v my ct

1. My ct cho php ng, ct ph ti v ngn mch trong phm vi kh nng cho php ca my ct.

2. Kim tra my ct tiu chun ng ct trc khi thao tc.

3. My ct cn phi c a ra kim tra, bo dng (theo quy trnh vn hnh my ct hoc hng dn ca nh ch to) trong cc trng hp sau:

a) ct tng dng ngn mch n mc quy nh;

b) S ln ct ngn mch n mc quy nh;

c) S ln thao tc ng ct n mc quy nh;

d) Thi gian vn hnh n mc quy nh.

4. Trc khi a my ct ang ch d phng vo vn hnh, phi kim tra li my ct v cc b phn lin quan, m bo my ct vn hnh bnh thng.

iu 30. Vic tin hnh thao tc my ct ch cho php khi mch iu khin trng thi tt v khng chm t. Vic tin hnh thao tc trong trng hp c chm t trong mch iu khin ch cho php trong ch s c.

iu 31. Sau khi thao tc bt k my ct no cng phi kim tra ch th ti ch trng thi ca my ct, kho iu khin ca my ct nu sau c thao tc ti ch dao cch ly hai pha ca my ct .

Phi kim tra trng thi m ca my ct hp b trc khi thao tc di chuyn t trng thi vn hnh sang th nghim hoc ngc li.

iu 32. Vic ng ct th my ct c thc hin khi m bo c mt trong cc yu cu sau:

4. Cc dao cch ly hai pha ca my ct c ct hon ton v ch ng dao tip a hoc tip a di ng mt pha ca my ct ny.

5. Nu ng dao cch ly mt pha ca my ct, phi ct tt c cc tip a ca ngn my ct ny.

iu 33. Cho php kim tra trng thi my ct theo ch th ca n tn hiu v ca ng h o lng m khng cn kim tra ch th trng thi ti ch trong cc trng hp sau:

6. Sau khi thao tc my ct, khng thao tc dao cch ly hai pha ca my ct ny;7. Sau khi thao tc my ct, vic thao tc dao cch ly hai pha my ct c thc hin bng iu khin t xa (ti phng iu khin trung tm);8. Thc hin thao tc xa.

iu 34. Cc my ct c tng dng ct ngn mch hoc c s ln ct ngn mch n mc quy nh nhng khi cn thit, sau khi kim tra my ct tiu chun vn hnh v c s ng ca gim c hoc ph gim c k thut n v qun l vn hnh thit b th cho php c ct s c thm.

Mc 2

THAO TC DAO CCH LYiu 35. Dao cch ly c php thao tc khng in hoc thao tc c in khi dng in thao tc nh hn dng in cho php theo quy trnh vn hnh ca dao cch ly do n v qun l vn hnh ban hnh. Cho php dng dao cch ly tin hnh cc thao tc c in trong cc trng hp sau:

9. ng v ct im trung tnh ca cc my bin p, khng in;10. ng v ct cc cun dp h quang khi trong li in khng c hin tng chm t;11. ng v ct chuyn i thanh ci khi my ct hoc dao cch ly lin lc thanh ci ng;12. ng v ct khng ti thanh ci hoc on thanh dn;13. ng v ct dao cch ly ni tt thit b;14. ng v ct khng ti my bin in p, my bin dng in;15. Cc trng hp ng v ct khng ti cc my bin p lc, cc ng dy trn khng, cc ng cp phi c n v qun l vn hnh thit b cho php ty theo tng loi dao cch ly.

Cc b truyn ng c kh hoc t ng ca cc dao cch ly dng ng ct dng in t ha, dng in np, dng in ph ti, dng in cn bng cn phi m bo hnh trnh nhanh chng v thao tc dt khot.

iu 36. Trc khi thc hin thao tc dao cch ly hai pha my ct th phi kim tra my ct ct tt 3 pha, kho iu khin my ct nu dao cch ly c thao tc ti ch.

iu 37. Thao tc ti ch dao cch ly phi thc hin nhanh chng v dt khot, nhng khng c p mnh cui hnh trnh. Trong qu trnh ng (hoc ct) dao cch ly nghim cm ct (hoc ng) li dao tr li khi thy xut hin h quang.

iu 38. Sau khi kt thc thao tc dao cch ly cn kim tra v tr cc li dao phng trnh trng hp cha ng ct ht hnh trnh, li dao trt ra ngoi hm tnh.

Mc 3

THAO TC THIT B INiu 39. Thao tc tch hoc ho li my pht, my b; thao tc ng ct khng in, t in; thao tc chuyn nc my bin p v cc thao tc c lin quan khc phi thc hin theo quy trnh vn hnh ca tng nh my in hoc trm in. i vi k s iu hnh h thng in hoc iu vin trc khi thao tc tch hoc ho li my pht t my; thao tc ng ct khng in, t in; thao tc chuyn nc my bin p phi kim tra li ch vn hnh h thng in.

iu 40. Trnh t thao tc tch my bin p ra sa cha nh sau:

16. Kim tra tro lu cng sut, huy ng ngun hoc thay i kt li thch hp trnh qu ti cc my bin p khc hoc cc ng dy lin quan;

17. Chuyn ngun t dng nu ngun in t dng ly qua my bin p ;

18. Kha ch t ng iu chnh in p di ti (nu c);

19. Ct my ct cc pha h p, trung p, cao p my bin p theo trnh t c quy nh (ct pha ph ti trc, ct pha ngun sau);

20. Kim tra my bin p khng cn in p;

21. Ct cc dao cch ly lin quan cn thit pha h p, trung p, cao p my bin p theo trnh t c quy nh;

22. Ct p t mt cc my bin in p ca my bin p (nu c);

23. ng tip a c nh pha h p, trung p, cao p my bin p;

24. n v qun l vn hnh lm cc bin php an ton, treo bin bo theo Quy trnh K thut an ton in hin hnh;

25. Bn giao my bin p cho n v cng tc, ng thi nhc nh, lu thm n v cng tc v an ton.

iu 41. Trnh t thao tc a my bin p vo vn hnh sau sa cha nh sau:26. n v qun l vn hnh bn giao my bin p kt thc cng tc, ngi v phng tin sa cha rt ht, tho ht cc tip a di ng, my bin p tiu chun vn hnh v sn sng ng in;

27. Ct ht cc tip a c nh cc pha ca my bin p;

28. ng p t mt cc my bin in p ca my bin p (nu c);

29. Kim tra h thng bo v, h thng lm mt my bin p a vo vn hnh;

30. t nc phn p v tr thch hp, trnh qu in p my bin p khi ng in;

31. ng cc dao cch ly lin quan pha h p, trung p, cao p my bin p;

32. ng my ct pha ngun phng in my bin p, sau ln lt ng my ct cc pha cn li;

33. Chuyn i ngun t dng (nu cn);

34. Sau khi a my bin p vo vn hnh, kim tra tnh trng vn hnh ca my bin p. Ty theo ch vn hnh c th a ch t ng iu chnh nc phn p vo lm vic.

iu 42. Khi ng hoc ct khng ti my bin p c trung tnh cch in khng hon ton (c dao cch ly ni t trung tnh), cn lu trc phi ni t trung tnh, khng ph thuc c hay khng c bo v chng st ti trung tnh. Sau khi ng in my bin p, cn a trung tnh ca n tr li lm vic ng vi ch vn hnh bnh thng.

Mc 4

THAO TC NG DYiu 43. Thao tc ng dy ch c mt ngun cp c thc hin theo trnh t sau:

1. Tch ng dy c my ct v dao cch ly hai pha ra sa cha:

a) Ct my ct ng dy;

b) Kim tra my ct m tt 3 pha;

c) Ct dao cch ly pha ng dy;

d) Ct dao cch ly pha thanh ci (nu cn thit);

) ng cc dao tip a ng dy;

e) Giao ng dy cho cc n v qun l vn hnh cng tc, lu t lm cc bin php an ton, treo bin bo theo Quy trnh K thut an ton in hin hnh.

2. a ng dy c my ct v dao cch ly hai pha vo vn hnh:

a) Cc n v qun l vn hnh bn giao tr ng dy sau cng tc sa cha khi ngi v phng tin rt ht, tho ht tip a di ng, ng dy tiu chun vn hnh v sn sng ng in;

b) Ct cc dao tip a ng dy;

c) Kim tra my ct m tt 3 pha;

d) ng dao cch ly pha thanh ci (nu ang m);

) ng dao cch ly pha ng dy;

e) ng my ct ng dy.

3. Tch ng dy c my ct hp b ra sa cha:

a) Ct my ct ng dy;

b) Kim tra my ct m tt 3 pha;

c) a my ct ra khi v tr vn hnh;

d) ng cc dao tip a ng dy.

) Giao ng dy cho cc n v qun l vn hnh cng tc, lu t lm cc bin php an ton, treo bin bo theo Quy trnh K thut an ton in hin hnh.

4. a ng dy c my ct hp b vo vn hnh:

a) Cc n v qun l vn hnh bn giao ng dy sau cng tc sa cha khi ngi v phng tin rt ht, tho ht tip a di ng, ng dy tiu chun vn hnh v sn sng ng in;

b) Ct cc dao tip a ng dy;

c) Kim tra my ct m tt 3 pha;

d) a my ct vo v tr vn hnh;

) ng my ct ng dy.

iu 44. Trn ng dy c cc trm r nhnh, trc khi thao tc ng dy cn phi ln lt ct ph ti ca cc trm r nhnh nu tng ph ti cc trm r nhnh ( 10 MW.

iu 45. Thao tc i vi ng dy c ngun cp t hai pha v khng c nhnh r theo trnh t sau:

1. Tch ng dy ra sa cha:

a) Kim tra tro lu cng sut, in p ca h thng trc khi thao tc. iu chnh cng sut, in p, chuyn ph ti thch hp trnh qu ti, qu in p khi thao tc;

b) Ct my ct hai u ng dy theo trnh t c quy nh;

c) Ct dao cch ly pha ng dy v dao cch ly pha thanh ci (nu cn thit) ca my ct u th hai;

d) Ct dao cch ly pha ng dy v dao cch ly pha thanh ci ca my ct u th nht;

) ng tip a ng dy u th nht;

e) ng tip a ng dy u th hai;

g) Giao ng dy cho n v qun l vn hnh cng tc, lu t lm cc bin php an ton, treo bin bo theo Quy trnh K thut an ton in hin hnh.

2. a ng dy vo vn hnh sau sa cha:

a) Cc n v qun l vn hnh bn giao tr ng dy khi ngi v phng tin rt ht, tho ht tip a di ng, ng dy tiu chun vn hnh v sn sng ng in;

b) Ct tip a ng dy u th nht;

c) Ct tip a ng dy u th hai;

d) ng dao cch ly pha thanh ci (nu ang m) v dao cch ly ng dy ca my ct u th hai;

) ng dao cch ly pha thanh ci (nu ang m) v dao cch ly ng dy ca my ct u th nht;

e) ng my ct ng dy hai u theo trnh t c quy nh;

g) iu chnh li cng sut, in p, chuyn ph ti ph hp sau khi a ng dy vo vn hnh.

iu 46. Thao tc i vi ng dy c nhiu ngun cp v trm r nhnh theo trnh t nh sau:

1. Tch ng dy ra sa cha

a) Kim tra tro lu cng sut, in p ca h thng trc khi thao tc. iu chnh cng sut, in p, chuyn ht ph ti cc trm r nhnh khng nhn in t ng dy ny;

b) Ln lt ct tt c cc my ct ca trm r nhnh v cc my ct ca trm cp ngun, dao cch ly ca trm r nhnh v dao cch ly ca trm cp ngun theo ng trnh t quy nh;

c) ng dao tip a ng dy ti tt c cc trm u vo ng dy ny;

d) Giao ng dy cho cc n v qun l vn hnh cng tc, lu t lm cc bin php an ton, treo bin bo theo Quy trnh K thut an ton in hin hnh.

2. a ng dy vo vn hnh sau sa cha

a) Cc n v qun l vn hnh giao tr ng dy: ngi v phng tin rt ht, tho ht tip a di ng, ng dy tiu chun vn hnh v sn sng ng in;

b) Ct tt c cc dao tip a ng dy;

c) Ln lt ng tt c cc dao cch ly ca trm r nhnh v dao cch ly ca trm cp ngun, cc my ct ca trm r nhnh v my ct ca trm cp ngun theo ng trnh t c quy nh;

d) iu chnh li cng sut, in p, chuyn ph ti ph hp sau khi a ng dy vo vn hnh.

iu 47. ng dy trn khng vn hnh ch ng in khng ti t mt ngun hoc ch d phng, phi m dao cch ly pha ng dy ca cc my ct ang trng thi m.

iu 48. ng dy ct in v lm bin php an ton xong mi c giao cho n v ng k lm vic.

Khi giao ng dy cho n v sa cha, ni dung bn giao phi c dng sau:

35. ng dy (ch r tn v mch) c ct in, ti cc im (ch r tn trm, nh my) ng cc tip a v tr no. Cho php lm cc bin php an ton n v cng tc bt u lm vic;

36. Cn phi kt thc cng vic vo thi im no;

37. Nu ng dy hai mch th phi ni r mch kia ang c in hay khng v lm bin php cn thit chng in cm ng;

38. Cc lu khc lin quan n cng tc.

iu 49. Nu cng tc sa cha ng dy c kt hp sa cha cc thit b lin quan n ng dy ti trm in hoc nh my in cp iu iu khin phi phi hp cc n v qun l vn hnh lp k hoch sa cha, gii quyt ng k cng tc ca cc n v qun l vn hnh, thng bo k hoch sa cha cho cc n v lin quan.

Nghim cm nhn vin vn hnh ct cc tip a ng, tho g bin bo khi cha c lnh ca ngi ra lnh thao tc.

Nu do iu kin cng vic m cn phi ct cc tip a c nh ng dy m vn c ngi cng tc trn ng dy th phi ng tip a khc hoc t tip a lu ng thay th trc khi ct cc tip a ny. Sau khi hon thnh cng vic th phi ng li cc tip a c nh trc ri mi g b cc tip a di ng.

iu 50. Nhn vin vn hnh sau khi thc hin thao tc ct in ng dy v thit b lin quan n ng dy ti trm in hoc nh my in ra sa cha phi thao tc trn s ni cc bc thao tc nh trong phiu v treo bin bo, k hiu tip a y (nu cha trang b SCADA). Ghi vo s nht k vn hnh thi gian thao tc, lnh cho php lm vic. Trong phiu cng tc v s nht k vn hnh ghi r s lng tip a ng, s n v tham gia cng vic sa cha v cc c im cn lu khc.

iu 51. Sau khi kt thc cng vic sa cha ng dy v thit b lin quan n ng dy ti trm in hoc nh my in, n v qun l vn hnh phi khng nh ngi v phng tin rt ht, tho ht tip a di ng v tr ng dy, thit b ngn ng dy ca trm in hoc nh my in cho cp iu iu khin ra lnh ng in.

Ni dung bo co tr ng dy c dng nh sau: "Cng vic trn ng dy (tn ng dy v mch), trn thit b (tn thit b ca ngn xut tuyn ti trm in hoc nh my in) theo phiu (s my) thc hin xong, tt c cc tip a di ng ti hin trng g ht, ngi ca cc n v cng tc rt ht; ng dy, thit b tiu chun vn hnh v sn sng nhn in; xin tr ng dy, thit b ng in".

iu 52. Nu trong khi ct in ng dy thc hin cc bin php nh thay i kt dy nht th, thay i nh th ... (theo s nht k vn hnh) th khi ng in li ng dy ny, nhn vin vn hnh ca cp iu iu khin phi tin hnh thay i li kt dy nht th, thay i nh th cho ph hp vi s mi v phi ghi vo s nht k vn hnh.

Mc 5

THAO TC THANH CIiu 53. Thao tc a thanh ci d phng vo vn hnh phi lu :

39. Kim tra thanh ci d phng khng c tip a di ng, ct ht cc tip a c nh.

40. Phi dng my ct lin lc thanh ci c r le bo v phng th thanh ci d phng. Nu khng c my ct lin lc thanh ci, phi la chn my ct ca im u thch hp phng in vo thanh ci d phng. Trong trng hp khng la chn c my ct phng th thanh ci d phng th phi kim tra cch in thanh ci (c th bng m gm mt) trc khi dng dao cch ly ng in thanh ci.

iu 54. Trc khi thao tc chuyn im u t thanh ci ny sang thanh ci khc phi lu :

41. Kim tra bo v so lch thanh ci, c lp bo v so lch thanh ci (nu cn thit) theo quy nh ca n v qun l vn hnh.

42. Kim tra my ct hoc dao cch ly lin lc hai thanh ci ang ng. Ct in mch iu khin ca my ct lin lc nu thao tc dao cch ly c thc hin ti ch trong thi gian thao tc dao cch ly chuyn im u.

43. Theo di s thay i tro lu cng sut, dng in qua my ct lin lc. La chn bc thao tc chuyn im u t thanh ci ny sang thanh ci khc hp l trnh qu ti my ct lin lc.

n v qun l vn hnh phi lp phiu thao tc mu p dng cho thao tc chuyn i thanh ci. Phiu thao tc mu ny ghi r trnh t cc bc thao tc nht th v nh th ph hp vi s mch nht th v nh th ca trm in.

iu 55. Ti cc trm in c trang b my ct vng, n v qun l vn hnh phi lp phiu thao tc mu p dng cho thao tc dng my ct vng thay cho mt my ct khc v ngc li. Phiu thao tc mu ny ghi r trnh t cc bc thao tc nht th v nh th ph hp vi s mch nht th v nh th ca trm in.

Mc 6

THAO TC KHP MCH VNG, TCH MCH VNG,

HA IN, TCH LIiu 56. Ch c php khp kn mt mch vng trong h thng in khi ti im khp mch vng chc chn ng v pha v cng th t pha. cc cp iu cn c danh sch cc im c th khp mch vng v c lnh o cp iu duyt.

iu 57. Trc khi thao tc khp mch vng hoc tch mch vng, trc khi thao tc ng hoc ct cc ng dy lin kt h thng, phi iu chnh in p chnh lch in p gia hai pha im ho nh hn gi tr cho php quy nh ti iu 58 Quy trnh ny v lu n hot ng ca bo v r le v t ng, thay i tro lu cng sut v in p trong h thng in.

iu 58. Trong iu kin vn hnh bnh thng, thao tc ha in phi c thc hin ti my ct c trang b thit b ha ng b.

1. iu kin ho in trn h thng in c cp in p 500 kV:

a) Gc lch pha ca in p gia hai pha im ho: ( ( 150;

b) Chnh lch tn s gia hai pha im ho: (f ( 0,05 Hz;

c) Chnh lch in p gia hai pha im ho: (U ( 5%.

2. iu kin ho in trn h thng in c cp in p ( 220 kV:

a) Gc lch pha ca in p gia hai pha im ho: ( ( 300;

b) Chnh lch tn s gia hai pha im ho: (f ( 0,25 Hz;

c) Chnh lch in p gia hai pha im ho: (U ( 10%.

iu 59. Khi thao tc ct ng dy ni nh my in vi h thng in, tch mch vng hoc tch cc h thng in ra vn hnh c lp, cc cp iu phi cng phi hp iu chnh cng sut gia cc nh my hoc cn bng cng sut cc h thng in sao cho duy tr c tnh trng vn hnh bnh thng ca cc h thng in.

Mc 7

THAO TC A THIT B, NG DY MI VO VN HNHiu 60. Ch a thit b, ng dy mi vo vn hnh thc hin theo quy nh a cng trnh mi vo vn hnh trong Quy trnh iu h thng in quc gia .

iu 61. Trc khi ng in ln u thit b mi phi lu cc iu kin sau:

44. Thit b c th nghim tiu chun vn hnh;

45. Cc h thng bo v r le, h thng lm mt, h thng phng chng chy v cc h thng lin quan khc sn sng lm vic;

46. Bo v r le c chnh nh theo yu cu ng in thit b mi;

47. Hi ng nghim thu k quyt nh ng in hoc ho li thit b mi;

48. Thay i kt li (nu to c phng thc) m bo an ton khi ng in ln u thit b mi.

49. Trng hp ng my ct mi:

a) To phng thc dng my ct (c bo v) ng in my ct mi. V d i vi s hai thanh ci c my ct lin lc: To phng thc dng my ct lin lc phng in my ct mi;b) Nu khng to c phng thc dng my ct ng in my ct mi, ch cho php dng dao cch ly pha thanh ci ng in my ct mi vi iu kin dao cch ly ny iu khin t phng iu khin hoc thao tc xa;

c) Trng hp ng my bin p mi: Sau khi ng in khng ti t mt pha phi kim tra ng th t pha v ng v pha cc pha cn li;d) Trng hp ho li my pht ln u: phi ho t ng (thit b ho t ng c th nghim tiu chun vn hnh).

Trnh t thao tc ng in hoc ho li thit b mi theo phng thc hoc phiu thao tc c cc cp c thm quyn ph duyt.

iu 62. Trc khi ng in ln u ng dy mi phi lu cc iu kin sau:

50. ng dy c nghim thu tiu chun vn hnh;

51. Bo v r le c chnh nh theo yu cu ng in ng dy mi;

52. Hi ng nghim thu k quyt nh ng in ng dy mi;

53. Sau khi ng in khng ti t mt u, ng dy phi c kim tra ng th t pha v ng v pha cc u cn li trc khi ng khp vng hoc ho hai h thng.

Trnh t thao tc ng in ng dy mi theo phng thc hoc, phiu thao tc c cc cp c thm quyn ph duyt.

Mc 8

THAO TC XAiu 63. Thao tc xa phi do k s iu hnh h thng in, hoc iu vin trc tip iu khin thao tc cc thit b in ti trm in, nh my in thng qua h thng SCADA.

iu 64. Ch cho php thc hin thao tc xa khi c cc iu kin sau:

54. H thng thng tin hot ng tt.

55. RTU (hoc DCS) hot ng tt.

56. Trng thi kho iu khin ti trm v tr thao tc xa t cp iu iu khin.

57. H thng SCADA ti trung tm iu hot ng tt.

58. c bin bn th nghim, kim tra m bo thao tc xa hot ng ng v tin cy.

iu 65. Mi thao tc xa u phi thc hin theo phiu thao tc quy nh ti Mc 2 Chng II ca Quy trnh ny, quy nh v cc thao tc c bn ti Chng III ca Quy trnh ny.

iu 66. Thc hin thao tc xa ti trm in hoc nh my in:

59. Ti trm in hoc nh my in c nhn vin vn hnh trc, k s iu hnh h thng in hoc iu vin phi lnh cho nhn vin vn hnh cp di thc hin kim tra trng thi thc ca my ct, dao cch ly sau mi bc thao tc xa nu thy cn thit theo yu cu v an ton thao tc ca cc bc tip theo.

60. Ti trm in hoc nh my in khng c ngi trc thng xuyn:

a) Trng hp thao tc c k hoch, n v qun l vn hnh phi c nhn vin vn hnh trc ti trm trc khi thc hin thao tc.

b) Trng hp thao tc xa t xut v khng c nhn vin vn hnh trc ti trm, ch cho php thao tc xa i vi my ct; i vi dao cch ly ch thao tc xa trong trng hp x l s c.

Chng IV

NH S THIT B TRONG H THNG IN QUC GIAMc 1

NGUYN TC CHUNGiu 67. Ti nh my in, trm in v cc thit b chnh, thit b ph tr u phi c t tn, nh s. Cc thit b chnh phi nh s theo quy nh, cc thit b ph phi nh s th t theo thit b chnh v thm cc k t tip theo phn bit.

iu 68. Trong Mc 2 ca Chng ny ch quy nh nguyn tc nh s cc thit b nht th phn in ca cc nh my in v trm in thuc quyn iu khin ca cc cp iu . Cc n v qun l vn hnh t quy nh nh s cc thit b thuc quyn iu khin ca n v mnh.

iu 69. Vic nh s cc thit b nht th phn in ca cc nh my in v trm in thuc quyn iu khin ca cc cp iu c quy nh nh sau:

61. Tt c cc thit b a vo vn hnh trong h thng in quc gia u phi t tn, nh s. Thit b trong h thng in quc gia thuc quyn iu khin ca cp iu no th do cp iu nh s v ph duyt.

62. Vic nh s thit b thuc quyn iu khin ca mt cp iu nhng thuc quyn kim tra ca cp iu khc ch c ban hnh khi c s ng ca cp iu c quyn kim tra.

63. Trong mt s trm c s c bit cng cn c quy nh ny nh s thit b, trng hp c bit phi ch thch r rng.

64. Quy nh nh s ny p dng cho cc cng trnh mi. Cc cng trnh hin ang vn hnh nh s khng ng vi quy nh ny th khi c iu kin phi t chc nh s li.

Mc 2

NH S THIT B TRONG H THNG INiu 70. Ch s c trng cho cp in p

1. in p 500 kV: Ly ch s 5






7. in p 15 kV: Ly ch s 8 (ring in p u cc my pht in, my b ng b ( 15 kV u ly s 9);

8. in p 10 kV: Ly ch s 9 (in p u cc my pht in, my b ng b ( 10 kV u ly s 9);

9. in p 6 kV: Ly ch s 6 (in p u cc my pht in, my b ng b < 10 kV u ly s 6);

10. Cc cp in p khc do cp iu c quyn iu khin t quy nh v phi thng qua cp iu c quyn kim tra.

iu 71. Tn thanh ci

65. K t th nht ly l ch C.

66. K t th hai ch cp in p, c ly theo quy nh ti iu 70 ca Quy trnh ny.

67. K t th ba ch s th t thanh ci, ring s 9 k hiu thanh ci vng.

V d:

- C12: biu th thanh ci 2 in p 110 kV;

- C21: biu th thanh ci 1 in p 220 kV;

- C29: biu th thanh ci vng in p 220 kV.

iu 72. Tn ca my pht hoc my b quay

68. K t u c quy nh nh sau:

a) i vi nhit in hi nc: K hiu l ch S;

b) i vi thy in: K hiu l ch H;

c) i vi tuabin kh: k hiu l ch GT;

d) i vi ui hi ca tuabin kh: K hiu l ch ST;

) i vi iesel: K hiu l ch D;

e) i vi my b quay: K hiu l ch B.

69. K t tip theo l s th t ca my pht.

V d:

S1: biu th t my pht nhit in s mt.

GT2: biu th t my tua -bin kh s hai.

iu 73. Tn ca my bin p

11. K t u c quy nh nh sau:

a) i vi my bin p 2 hoc 3 dy qun k hiu l ch T;

b) i vi my bin p t ngu k hiu l AT;

c) i vi my bin p t dng k hiu l TD;

d) i vi my bin p kch t my pht k hiu l TE;

) i vi my bin p to trung tnh k hiu l TT.

2.K t tip theo l s th t ca my bin p. i vi my bin p t dng k t tip theo l cp in p v s th t.

V d:

T1: biu th my bin p s mt.

T2: biu th my bin p s hai.

TD41: biu th my bin p t dng s mt cp in p 22 kV.

AT1: biu th my bin p t ngu s mt.

iu 74. Tn ca my ct in

12. K t th nht c trng cho cp in p, c quy nh ti iu 70 ca Quy trnh ny. Ring i vi my ct ca t k t th nht l ch T, khng in k t th nht l ch K cn k t th hai c trng cho cp in p.

13. K t th hai (ba i vi my ct khng v t) c trng cho v tr ca my ct, c quy nh nh sau:

a) My ct my bin p: Ly s 3.

b) My ct ca ng dy: Ly s 7 v s 8 (hoc t s 5 n 8 nu s phc tp);

c) My ct ca my bin p t dng: Ly s 4.

d) My ct u cc my pht in:

Ly s 0.

) My ct ca my b quay: Ly s 0.

e) My ct ca t b ngang:

Ly s 0.

g) My ct ca t b dc: Ly s 0 (hoc 9 nu s phc tp).

h) My ct ca khng in: Ly s 0 (hoc 9 nu s phc tp).

70. K t th th ba (bn i vi my ct khng v t) th hin s th t: 1,2,3...

71. i vi my ct ca thanh ci ng vng hai k t tip theo k t th nht l: 00.

72. i vi my ct lin lc gia hai thanh ci hai k t tip theo k t th nht l s ca hai thanh ci:

a) i vi s hai thanh ci (hoc mt thanh ci c phn on) nh s cc my ct thanh ci chn th nh s th t chn, cc my ct thanh ci l th nh s th t l.

b) i vi s a gic nh s cc my ct theo my ct ng dy;

c) i vi s 3/2 (mt ri), s 4/3: tu theo s c th nh s theo cc cch sau:

- nh s cc my ct theo my ct ng dy;

- nh s k t th hai my ct gia (khng ni vi thanh ci) s 5 hoc s 6.

- nh s k t th ba theo th t ngn l.

V d:

371: biu th my ct ng dy 35 kV mch s mt.

131: biu th my ct ca my bin p s 1 cp in p 110 kV.

641: biu th my ct ca my bin p t dng s 1 cp in p 6 kV.

903: biu th my ct ca my pht in s ba, in p (10 kV.

K504: biu th my ct ca khng in s 4 ca thanh ci, in p 500 kV.

100: biu th my ct vng in p 110 kV.

212: biu th my ct lin lc thanh ci in p 220 kV.

iu 75. Tn ca khng in

14. Hai k t u l ch KH, ring khng trung tnh k hiu l KT.

15. K t th 3 c trng cho cp in p, c ly theo quy nh iu 70 ca Quy trnh ny.

16. K t th 4 l s 0.

17. K t th 5 l s th t ca mch mc khng in.

V d:

KH504: biu th khng in 500 kV mc mch s bn.

KT303: biu th khng trung tnh 35 kV mc trung tnh my bin p s 3.

iu 76. Tn ca t in

18. Ba k t u: i vi t b dc ly l cc ch TBD, i vi t b ngang ly l cc ch TBN

2. K t th 4 c trng cho cp in p, c ly theo quy nh iu 70 ca Quy trnh ny.

3. K t th 5 l s 0

4. K t th 6 l s th t ca mch mc t in i vi t b dc, i vi t b ngang ly theo s th t ca b t.

V d:

TBD501: Biu th t b dc in p 500 kV mc mch s mt.

TBN302: biu th t b ngang in p 35 kV mc mch s hai.

iu 77. Tn ca cc my bin in p

19. K t u l TU;

20. Cc k t tip theo ly tn thit b m my bin in p u vo. i vi cc thit b m tn ca thit b khng th hin r cp in p th sau hai k t u s l k t c trng cho cp in p, tip theo l tn thit b.

V d:

TU171: biu th my bin in p ngoi ng dy 110 kV 171.

TUC22: biu th my bin in p ca thanh ci s hai in p 220 kV.

TU5T2: biu th my bin in p ca my bin p T2 pha 500 kV.

iu 78. Tn ca cc my bin dng in

21. Hai k t u l TI;

22. Cc k t tip theo ly tn thit b m my bin dng in u vo. i vi cc thit b m tn ca thit b khng th hin r cp in p th sau hai k t u s l k t c trng cho cp in p, tip theo l tn thit b.

V d:

TI171: biu th my bin dng in cp in p 110 kV ni vi my ct 171.

iu 79. Tn in tr trung tnh u vo im trung tnh ca my bin p hoc khng in

23. Cc k t u l ch RT biu th in tr trung tnh;

24. K t tip theo c trng cho cp in p;

25. K t tip theo l tn ca thit b m RT c u vo;

V d:

RT1T1: biu th in tr trung tnh u vo trung tnh cun 110 kV ca my bin p T1.

iu 80. Tn ca chng st

26. Hai k t u ly ch CS;

27. K t tip theo ly tn ca thit b c bo v. i vi cc thit b m tn ca thit b khng th hin r cp in p th sau hai k t u s l k t c trng cho cp in p, tip theo l tn thit b. i vi chng st van ni vo trung tnh my bin p cp in p ly s 0.

V d:

CS1T1: biu th chng st ca my bin p T1 pha in p 110 kV.

CS0T1: biu th chng st mc vo trung tnh my bin p T1.

CS271: biu th chng st ca ng dy 271.

iu 81. Tn ca dao cch ly

28. Cc k t u l tn ca my ct hoc thit b ni trc tip vi dao cch ly (i vi dao cch ly ca TU, cc k t u tin l tn ca TU, tip theo l tn thit b ni trc tip vi dao cch ly), tip theo l du phn cch (-).

29. K t tip theo c quy nh nh sau:

a) Dao cch ly thanh ci ly s th t ca thanh ci ni vi dao cch ly;

b) Dao cch ly ng dy (dao cch ly pha ng dy) ly s 7;

c) Dao cch ly ni vi my bin p ly s 3;

d) Dao cch ly ni vi thanh ci vng ly s 9;

) Dao cch ly ni tt mt thit b ly s 0 hoc s 9;

e) Dao cch ly ni ti phn on no (pha phn on no) th ly s th t ca phn on thanh ci (hoc thanh ci) ;

g) Tn dao cch ly ni vi in tr trung tnh hoc khng trung tnh ly s 0.

V d: 331-3: biu th dao cch ly ca my bin p T1 in p 35 kV.

K501-1: biu th dao cch ly khng s 1 cp in p 500 kV ni vi thanh ci s 1.

TUC22-2: biu th dao cch ly my bin in p ca thanh ci s hai in p 220 kV ni vi thanh ci s 2.

171-7: biu th dao cch ly ngoi ng dy 110 kV ca my ct 171.

272-9: biu th dao cch ly ca my ct 272 ni vi thanh ci ng vng.

275-0: Biu th dao cch ly ni tt my ct 275.

KT301-0: biu th dao trung tnh cun 35 kV ca my bin p T1 ni vi khng trung tnh KT301.

iu 82. Tn cu ch

1. Cc k t u: i vi cu ch thng ly ch CC, i vi cu ch t ri ly ch FCO.

2. K t tip theo l du phn cch (-) v tn ca thit b c bo v

V d:

CC-TUC31: biu th cu ch ca my bin in p thanh ci C31.

iu 83. Tn dao tip a

30. Cc k t u l tn dao cch ly hoc thit b c lin quan trc tip.

31. K t tip theo c trng cho tip a, c quy nh nh sau:

a) Tip a ca ng dy v t in ly s 6;

b) Tip a ca my bin p, khng in v TU ly s 8;

c) Tip a ca my ct ly s 5;

d) Tip a ca thanh ci ly s 4;

) Tip a trung tnh my bin p hoc khng in ly s 08.

V d:

271-76: biu th dao tip a ngoi ng dy 271.

331-38: biu th dao tip a ca my bin p T1 pha 35 kV.

171-15: biu th dao tip a my ct 171 pha dao cch ly 171-1.

131-08: biu th dao tip a trung tnh cun dy 110 kV ca my bin p s 1.

iu 84. Cc thit b ng ct cc nhnh r, cc phn on gia ng k hiu nh sau:

32. i vi my ct phn on ng dy nh s nh my ct ng dy, my ct r nhnh xung my bin p nh s nh my ct my bin p.

33. i vi dao cch ly phn on ng dy hoc dao cch ly nhnh r cc k t u nh s nh quy nh iu 81 (nh s dao cch ly c thc hin gi thit nh c my ct).

34. Cc k t cui cng l du phn cch (/) v v tr ct phn on hoc r nhnh

V d:

371/XX: biu th my ct 371 phn on ng dy ct s XX in p 35 kV.

171-7/XX: biu th dao cch ly phn on ng dy 110 kV s ct XX.

171-76/XX: biu th dao cch ly tip a ng dy 110 kV s ct XX.iu 85. Cc ph lc km theo Quy trnh ny gm:

1. Ph lc 1 quy nh cc k hiu vit tt trong phiu thao tc;

2. Ph lc 2 hng dn thc hin mu phiu thao tc 01-PTT/BCN;

3. Ph lc 3 hng dn thc hin mu phiu thao tc 02-PTT/BCN./.

B TRNG

( k)

Hong Trung Hi

Ph lc 1

QUY NH CC K HIU VIT TT TRONG PHIU THAO TC(Km theo Quyt nh s16/2007/Q-BCN ngy 28 thng 3 nm 2007

ca B trng B Cng nghip)

1. V: iu vin.

2. HT: H thng in.

3. KSH: K s iu hnh h thng in.

4. NM: Nh my in.5. PTT: Phiu thao tc.

6. TC: Thanh ci.

7. D: ng dy.

8. MBA: My bin p.

9. MC: My ct.

10. DCL: Dao cch ly.

11. DT: Dao tip a.

12. TI: My bin dng in.

13. TU: My bin in p.

14. AB: p t mt.

15. A0: Cp iu h thng in quc gia.

16. A1: Cp iu h thng in min Bc.

17. A2: Cp iu h thng in min Nam.

18. A3: Cp iu h thng in min Trung.

19. B01: Trc ban n v Truyn ti in 1.



22. NM XX...: Nh my in XX... (cc ch ci u ca tn nh my in)

23. T500XX...: Trm 500 kV XX... (cc ch ci u tn trm)



Ph lc 2 HNG DN THC HIN MU PHIU THAO TC 01-PTT/BCN(Km theo Quyt nh s 16 /2007/Q-BCN ngy 28 thng 3 nm 2007

ca B trng B Cng nghip)

I. Phm vi p dng

1. Mu 01-PTT/BCN c s dng vit PTT i vi thit b nht th trn HT c nhiu n v tham gia thc hin thao tc.

2. Trong cc trng hp thao tc c k hoch, mu 01-PTT/BCN phi c chuyn ti cc n v thao tc (c qua in thoi hoc fax) t nht l 45 pht trc thi gian d kin bt u thao tc. Cc n v tham gia thao tc phi trang b y my fax theo ng Quy trnh iu h thng in quc gia.

II. Mt s quy nh, gii ngha v cch vit phiu thao tc theo mu 01-PTT/BCN1. Mt s quy nh, gii nghaa) Cp iu HT quc gia v cp iu HT min phi s dng my vi tnh son tho PTT theo mu 01-PTT/BCN v in ra trn kh giy A4. Cp iu phn phi hoc cc n v khc nu cha phng tin c th in mu sn v in cc hng mc cho ph hp.

b) S phiu: Ghi s th t PTT trong thng / thng / nm (vi nhng PTT c k hoch). S th t PTT trong thng / thng / nm X (vi nhng PTT ngoi k hoch xy ra trong ca).

c) Trang s: Ghi th t trang / tng s trang.

d) Tn PTT: ghi phm vi thao tc cn thc hin.

) Ngi vit phiu: L cn b, k s phng thc, KSH, V, trng ca, trng kp do n v quy nh sau khi kim tra nh gi trnh .

e) Ngi duyt phiu: L lnh o ph trch vn hnh (k thut sn xut) ca cc n v hoc nhng ngi c u quyn (xem iu 11, iu 12 ca Quy trnh ny).

g) Ngi ra lnh: L KSH, V, trng ca, trng kp ra lnh thc hin thao tc.

h) Mc ch thao tc: Ghi ni dung cng vic.

i) Thi gian d kin:

Bt u: L thi gian d kin bt u thao tc;

Kt thc: L thi gian d kin thc hin xong hng mc cui cng ca phiu.

k) n v ngh thao tc: ghi r n v ng k cng tc v c n v kt hp cng tc trn thit b (nu c).

l) iu kin cn c thc hin: ghi r nhng iu kin bt buc phi c mi c thc hin thao tc.

m) Lu : Ghi c im hoc nhng thay i v phng thc vn hnh, tro lu cng sut trn h thng, ph ti sau thao tc, gii hn thi gian cng tc...

n) S : Th hin s cc thit b lin quan n thao tc. C th s dng s thao tc hin hnh in sn.

o) Trnh t thao tc:

Ct TT: ghi s th t cc n v thc hin thao tc hoc cc n v phi hp thao tc bng s La M.

Ct n v: ghi tn cc n v thc hin thao tc hoc n v phi hp thao tc.

Ct Ni dung thao tc: Ct s 3 ghi s th t thc hin cc hng mc thao tc (bt u t 1 n kt thc). Ct s 4 ghi cc hng mc thao tc cn thc hin (tng ng vi th t ct th 3).

Lu : cc hng mc nh xin bt u thao tc, kim tra, kho hoc tch iu khin, thng bo cho cc n v lin quan, bn giao thit b... u c coi l cc hng mc thao tc

Ct Ngi yu cu: Ghi tn Ngi ra lnh thao tc hoc V, trc ban cc n v Truyn ti in, trng ca NM, trng kp, trc chnh cc trm bin p ngh thao tc, tr thit b...

Ct Ngi thc hin: Ghi tn ngi thc hin cc yu cu trn. Trong trng hp thao tc xa, ghi tn Nhn vin vn hnh cp di c nhim v kim tra trng thi ca thit b ng ct.

Ct Thi gian:

Bt u: L thi gian m ngi yu cu yu cu ngi thc hin thc hin mt hoc mt nhm cc hng mc thao tc.

Kt thc: L thi gian m ngi thc hin thc hin xong mt hoc mt nhm cc hng mc thao tc theo yu cu ca ngi yu cu.

p) Cc s kin bt thng trong thao tc: ghi nhng thay i trong thao tc thc t khc vi d kin, l do thay i hoc nhng bt thng xy ra trong lc thao tc...

q) Thi gian kt thc ton b thao tc: Ghi thi gian kt thc ton b thao tc theo phiu.

r) i vi cc thao tc ngoi k hoch xy ra trong ca:

Cc PTT do KSH, V, trng ca, trng kp ng ca vit.

C th khng cn s .

Mc ngi duyt phiu v phn k cui PTT gch cho.

Mc Ngi ra lnh thao tc: ghi h tn v k cui PTT (lu ti cp iu nu b tr nhiu hn hai ngi trc th Ngi ra lnh thao tc khng phi l ngi vit phiu).

2. Cch vit phiu thao tc theo mu 01-PTT/BCN

a) (1): Ghi tn n v ch qun ca n v pht hnh PTT.

b) (2): Ghi tn n v pht hnh PTT.

(1) v (2) do ngi vit phiu ghi.

V d: Tp on in lc Vit Nam.

Trung tm iu HT quc gia.

c) S phiu: Do ngi vit phiu ghi. V d 108/03/06; 86/03/06X.

d) Trang s: Do ngi vit phiu ghi. V d 2/3 (trang s 2, tng s 3 trang).

) Tn PTT: Do ngi vit phiu ghi. V d: Ct in ng dy 572 Ho Bnh - 575 Nho Quan.

e) Ngi vit phiu: Do ngi vit phiu ghi. H tn ngi vit phiu phi c ghi r dng Ngi vit phiu v k tn trang cui phiu.

g) Ngi duyt phiu: Do ngi vit phiu hoc ngi duyt phiu ghi. H tn ngi duyt phiu phi c ghi r dng Ngi duyt phiu v k tn trang cui phiu.

h) Ngi ra lnh: Do Ngi ra lnh ghi. H tn Ngi ra lnh phi c ghi r dng Ngi ra lnh v k tn trang cui phiu. i vi c s c 02 KSH, V trc ban, nu mt Ngi ra lnh th ch ngi ghi r h tn v k.

i) Mc ch thao tc: Do ngi vit phiu ghi. V d: Truyn ti in 1 p li lo, thay s khong ct ...

k) Thi gian d kin: Do ngi vit phiu ghi.

l) iu kin cn c thc hin: Do ngi vit phiu ghi. V d: iu kin v ngun, li in m bo cung cp in bnh thng cho ph ti hoc thng bo trc cho ph ti v vic phi mt in, thi tit m bo cho thc hin cc thao tc cng nh cng tc...

m) Lu : do ngi vit phiu chun b.

n) Trnh t thao tc:

Ct TT: Do ngi vit phiu ghi;

Ct n v: Do ngi vit phiu ghi;

Cc ct Ni dung thao tc: Ct 3 v 4 do ngi vit phiu ghi; ct 5 do Ngi ra lnh nh du;

Ct Ngi yu cu: Do Ngi ra lnh ghi;

Ct Ngi thc hin: Do Ngi ra lnh ghi;

Ct Thi gian: Do Ngi ra lnh ghi.

o) Cc s kin bt thng trong thao tc: Do Ngi ra lnh ghi.

p) Thi gian kt thc ton b thao tc: Do Ngi ra lnh ghi.

3. Mu phiu thao tc 01-PTT/BCN:

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