MC LC
TP ON IN LC VIT NAMBAN QUN L D N THY IN 2
BAN CBSX NMT BN VM s:
QT-1009-15Ngy sa i:
QUY TRNH
VN HNH V X L S CH THNG BO V RLE
Ln sa i:
Trang: 3/26Ngy hiu lc:
26/10/2009
TP ON IN LC VIT NAMBAN QUN L D N THY IN 2
BAN CHUN B SN XUT NH MY THY IN BN V--------o0o--------QUY
TRNH
VN HNH V X L S CH THNG BO V RLE (M s: QT-1009-15)
(Ban hnh km theo Quyt nh s...... /Q-AT2-CBSX ngy thng 10 nm
2009)
Vinh, thng 10/2009
PHN PHI TI LIU
TTNgi c phn phiS lng
1Trng Ban CBSX NMT Bn V01
2Ph Trng Ban CBSX NMT Bn V01
3T K thut An ton01
4Phn xng qun l Vn hnh02
5Phn xng Th nghim v sa cha01
N V CH TR SON THO: PHN XNG QUN L VN HNH
Nhng ngi bin sonCh kNhng ngi hiu chnhCh k
Trn An Hi - CVT Hu Hng - P.QPX
NHNG NGI THAM GIA XT DUYT:
TTNgi xt duytChc vCh k
1Nguyn Hu ThnhPTB CBSX NMT Bn V
2Nguyn Tin VT Ph T K thut An ton
3Nguyn S HngQun c PXQLVH
4Hong Vn NgcQun c PXTNSC
NGI PH DUYT:
Ch k:
H v tn: Nguyn Quc Ton Chc v: Trng Ban CBSX Nh my Thu in Bn V
TM TT NI DUNG SA IBan hnh ln u
MC LCTrang3Chng 1: QUY NH CHUNG
5Chng 2: CHC NNG V TC NG CA CC BO V
14Chng 3: THAO TC V X L TRONG VN HNH
25Chng 4: T CHC THC HIN V IU KHON THI HNH
26PH LC
26TI LIU THAM KHO
Chng 1
QUY NH CHUNGiu 1. Quy trnh ny quy nh v thao tc v x l trong vn
hnh i vi h thng bo v rle ca Nh my Thy in Bn V. Quy trnh ny p dng bt
buc vi cc chc danh vn hnh sau:
1. Trng ca.2. Trng kp.3. Trc in Gian my.
4. Trng kp Trm 220kV.
5. Trc Trm 220kV.
Trong qu trnh p dng quy trnh ny, cc chc danh vn hnh ni trn phi
tun th cc quy phm, quy trnh v cc quy nh hin hnh i h thng bo v
rle.
iu 2. Quy trnh ny c xy dng trn c s cc Quyt nh v ti liu sau:
Danh mc v cng bin son quy trnh vn hnh v x l s c - Ban hnh theo
Quyt nh s 74A/Q-AT2-CBSX ngy 22/5/2009 ca Trng Ban CBSX NMT Bn
V.
Ti liu ca ABB c nu phn ti liu tham kho ca Quy trnh ny.iu 3. Gii
thch t ng:
NMT Bn V: Nh my thy in Bn V.MBA
: My bin p.
MF
: My pht in.
NVVH: Nhn vin vn hnh
PXTNSC: Phn xng th nghim sa chaFCB
: My ct dp t.*
: L 1 hoc 2, ch s th t t my.
iu 4. H thng bo v rle ca NMT Bn V l cc rle k thut s ca hng ABB,
bao gm: Bo v cc khi MF - MBA: Dng 04 rle REG216 c t ti cao trnh
87,20m gian my (mi khi MF MBA c 2 h thng, mi h thng s dng 1 rle
REG216).
Bo v cc khong vt (cc on ng dy t MBA chnh n trm 220kV): Dng 02
rle RED670 v 02 rle REC670. Hai rle RED670 t ti cao trnh 98,00m
gian my, hai rle REC670 t ti phng iu khin trm 220kV.
Bo v thanh gp trm 220kV (C21, C22): Dng 02 rle REB670 t ti phng
iu khin trm 220kV.
Bo v cc ng dy L271, L272: Dng 02 rle REL670 v 02 rle RED670 t ti
phng iu khin trm 220kV.
Bo v my ct vng trm 220kV: Dng 01 rle REC670 t ti phng iu khin
trm 220kV.
Chng 2CHC NNG V TC NG CA CC BO Viu 5. Chc nng v tc ng ca cc bo
v:1. Cc bo v ti Gian my:TTTn bo vKHTn hiuChc nngTc ngRleHT
12
ICc bo v cho MF
1Bo v so lch dc87GTI9H* TIH1*Chng ngn mch nhiu pha trong vng c
bo vCt 90*, ct FCB, dng t my, khi ng 50BF, khi ng cu ha my pht, bo
tn hiu.REG 216x
2Bo v so lch khi87GTTI2T* TIH*1 TITD9*D phng cho bo v so lch my
pht, my bin pCt 90*, ct FCB, dng my, ct 44*, ct 23*, khi ng 50BF,
bo tn hiu.REG 216x
3Bo v chm t 100% cun dy stato64SU3 h TU9H*A TUH*0Chng chm t
stator 100% cun dyCt 90*, ct FCB, dng my, khi ng 50BF, bo tn
hiu.REG 216x
4Bo v chm t rto64RMch kch t my phtChng chm t 1 im roto my phtCt
90*, ct FCB, dng my, khi ng 50BF, bo tn hiu.
REG 216x
5Bo v chm t 95% cun dy stato59NSCun h TU9H*A v TUH*0Chng chm t
95% cun dy statorCt 90*, ct FCB, dng my, khi ng 50BF, bo tn hiu.REG
216x
6Bo v chm t thanh dn 15,75kv59NCun h TU9H*Cnh bo chm t thanh ci
15,75kvBo tn hiu.REG 216x
7Bo v dng dc trc38TI dng trc gn trn trc my phtDng dc trc my
phtCt 90*, ct FCB, dng my, khi ng 50BF, bo tn hiu.REG 216x
8Bo v tr khng thp21GCun h TU9H*A, TIH*1.
Dng d phng cho BVSL my pht, my bin pCp 1: ct 23*, bo tn hiu.
Cp 2: ct 90*, ct FCB, dng my, khi ng 50BF, ct 44*, bo tn hiu.REG
216X
9Bo v qu dng km p51/27TU9H*A TIH*1Bo v qu dng my pht c b khi ng
km pCp 1: ct 23*, bo tn hiu. Cp 2: ct 90*, ct FCB, dng my, khi ng
50BF, ct 44*, bo tn hiu.REG 216xx
10Bo v qu dng th t nghch46TIH*1
Chng ngn mch KX, ph ti KXCp 1: bo tn hiu.
Cp 2 : ct 90*, ct FCB, dng my, khi ng 50BF, ct 44*, bo tn
hiu.REG 216x
11Bo v mt kch t40TIH*1, cun Y TU9H*AChng h hng do h hng mch kch
thch, h hng h thng iu chnh in p, do thao tc sai ca nhn vin vn hnhCt
90*, ct FCB, khi ng 50BF, bo tn hiuREG 216xx
12Bo v trt cc78TIH*1, cun Y TU9H*AChng mt ng b ca my phtCt 90*,
ct FCB, khi ng 50BF, bo tn hiuREG 216x
13Bo v cng sut ngc (2 cp)32Cun Y TU9H*A, TIH*1.Chng lung cng sut
ngc t li vo my pht
Cp 1: bo tn hiu.
Cp 2: ct 90*, khi ng 50BF, bo tn hiu
REG 216x
14Bo v qu ti my pht49STIH*1Chng qu ti my phtCt 90*, ct FCB, khi
ng 50BF, bo tn hiuREG 216x
15Bo v qu kch t24GCun Y TU9H*AChng qu kch t cun dy rotoCt 90*,
ct FCB, khi ng 50BF, bo tn hiuREG 216x
16Bo v qu in p (2 cp)59Cun Y TU9H*AChng qu in p u cc my phtCp 1:
bo tn hiu cp 1.
Cp 2: ct 90*, ct FCB, khi ng 50BF, bo tn hiu cp 2REG 216xx
17Bo v in p thp27Cun Y TU9H*AChng mt in p my phtCt 90*, bo tn
hiuREG 216x
18Bo v cn bng in p60Cun Y TU9H*APht hin nhanh s chnh lch in p ba
pha v ngn nga ngay lp tc s ct nhm do mt in p pha TUBo tn hiuREG
216x
19Bo v km/qu tn s81Cun Y TU9H*AChng qu hoc km tn s my pht. Tn s
thp f=48.8hz, tn s cao f=51,2 hzCp 1: bo tn hiu.
Cp 2: ct 90*, ct FCB, khi ng 50BF, bo tn hiuREG 216x
20Bo v cht my50/27TIH*1, cun Y TU9H*ANgn nga nguy him do dao ng
ngu nhin ca li. Ct 90*, bo tn hiuREG 216xx
21Bo v li my ct u cc50BFTIH*1Chng cc li h hng my ct u cc
Cp 1: ct 90*. Cp 2: ct 23*, ct 44*, bo tn hiu.REG 216xx
22Bo v so lch ngang my pht87GNTIH*0Chng ngn mch gia cc vng dy
trong mt pha hoc gia cc vng dy thuc hai nhnh khc nhau trong cng mt
phaCt 90*, ct FCB, dng my, bo tn hiuREG 216xx
23Bo v nhit my pht26GB bo v nhit my phtChng qu nhit my pht
inCp1: bo tn hiu.
Cp 2: ct 90*, ct FCB, dng my, bo tn hiuREG 216xx
IIMy bin p chnh T*
1Bo v so lch dc87TTI2T* TI9H*
Chng ngn mch trong cun dy v u ra my bin pCt 90*, ct FCB, dng my,
khi ng 50BF, khi ng cu ha MBA(c 3 pha), ct 44*, ct 23*, bo tn
hiu.REG 216x
2Bo v qu ti my bin p49TTI2T*Chng qu ti my bin pKhi ng b lm mt my
bin p, bo tn hiu.REG 216x
3Bo v qu dng chm t ct nhanh, qu dng chm t c thi gian50/51NTI
trung tnh MBA chnhChng dng th t khng
Cp 1: ct 23*, bo tn hiu.
Cp 2: ct 90*, ct 44*, bo tn hiu.REG 216x
4Bo v qu dng ct nhanh, qu dng c thi gian50/51TI2T*D phng cho
BVSL
Ct 90*, 44*, 23*, bo tn hiu.REG 216xx
5Bo v chm t my bin p64NTI2T*, TIT*Chng chm t mt im trong cun dy
cao p MBA lcCt 90*, ct FCB, dng my, ct 44*, ct 23*, bo tn hiu.REG
216x
6Bo v rle hi (Buchholz) my bin p63TRle hiChng s c sinh kh bn
trong thng MBA (qu ti, ngn mch)Cp 1: bo tn hiu.
Cp 2: ct 90*, ct FCB, dng my, ct 44*, ct 23*, khi ng 50BF, bo tn
hiu.REG 216x
7Bo v mc du MBA tng cao71TCm bin mc ti thng MBACnh bo mc du MBA
qu cao hoc thpBo tn hiuREG 216x
8
Bo v nhit tng cao26TCm bin nhit Chng qu nhit cho MBACp 1: bo tn
hiu.
Cp 2: ct 90*, ct FCB, dng my, ct 44*, ct 23*, khi ng 50BF, bo tn
hiu.REG 216x
IIIBo v my bin p t dng (TD9*)
1Bo v qu ti my bin p49TDTITD9*Bo qu ti pha cao p MBA t dng
Bo tn hiuREG 216xx
2Bo v nhit tng cao26TDCm bin nhitChng qu nhit MBA t dngCt 94*,
ct 44*, bo tn hiuREG 216x
3Bo v qu dng trung tnh c thi gian51TDNTI trung tnh MBAt dngChng
dng th t nghch
Cp 1: ct 44*, bo tn hiu.
Cp 2: ct 94*, ct 44*, bo tn hiu.REG 216xx
4Bo v qu dng c thi gian51TDTITD9*Chng qu dng MBA t dngBo tn
hiuREG 216x
IVBo v my bin p kch t (TE*)
1 Bo v qu dng ct nhanh, qu dng c thi gian50/51ETITE*D phng cho
bo v so lch my phtCt 90*, ct FCB, dng my, khi ng bo v 50BF, bo tn
hiuREG 216xx
2 Bo v qu ti my bin p49ETITE*Chng qu ti MBA kch tBo tn hiuREG
216xx
3 Bo v nhit tng cao26TCm bin nhitChng qu nhit MBAkch tCt 90*, ct
FCB, dng my, khi ng 50BF, bo tn hiuREG 216x
VBo v khong vt 220kV
1Bo v so lch khong vt87S2TI2T*Chng ngn mch nhiu pha khong vt t
MBAlc ti trm 220kvCt 90*, ct FCB, dng my, ct 23*, khi ng 50BF, bo
tn hiuRED216x
2. Cc bo v ti Trm 220kV
TTTn bo vKHTn hiuChc nngTc ngRle
IBo v khong vt
1 Bo v so lch dc87S1TI23*Chng ngn mch nhiu pha Ct 90*, ct FCB,
dng my, ct 23*, khi ng 50BF, bo tn hiuRED670
2 Bo v qu dng ct nhanh, qu dng c thi gian50/51D phng cho bo v
87S1
3 Bo v qu dng/qu dng chm t c hng67/67NTI23*Ct 90*, ct FCB, dng
my, ct 23*, khi ng 50BF, bo tn hiuREC670
4 Bo v qu dng chm t ct nhanh, qu dng chm t c thi gian50/51N
IIBo v thanh thanh ci
1 Bo v so lch thanh ci 220kv87B*TI23*, TI27*, TI200. Chng ngn
mch trn thanh ciCt tt c cc my ct ni vo thanh ci b s c, khi ng 50BF,
bo tn hiu.REB670
IIIBo v my ct vng
1 Bo v li my ct 20050BFTI200Ct 200 v cc my ct lin quan, bo tn
hiu.REC670
2 Bo v qu dng ct nhanh, qu dng c thi gian50/51Ct 200, khi ng
50BF, bo tn hiu.
3 Bo v qu dng chm t ct nhanh, qu dng chm t c thi gian50/51N
4 Bo v km p/qu p27/59Bo tn hiu
IVBo v ng dy 220kV
1 Bo v khong cch21/21NTI27*
TU27*Chng ngn mch trn ng dy. C 3 vng bo v tng ng vi thi gian: t1
= 0s, t2 = 0.5s, t3 = 3.0sCt 27*, khi ng 50BF, khi ng TL, bo tn
hiu.
REL670
2 Bo v so lch ng dy87LTI27* Chng ngn mch nhiu pha trn ng dy.Ct
27*, khi ng 50BF, khi ng TL, bo tn hiu.RED670
3 Bo v qu dng/qu dng chm t c hng67/67NChng ngn mch ngoi. D phng
cho bo v khong cch, bo v so lchCt 27*, khi ng 50BF, khi ng TL, bo
tn hiuREL670v
RED670u c cc chc nng ny
4 Bo v qu dng ct nhanh, qu dng c thi gian50/51Chng ngn mch nhiu
pha. D phng cho bo v khong cch, bo v so lchCt 27*, khi ng 50BF, khi
ng TL, bo tn hiu
5 Bo v qu dng chm t ct nhanh, qu dng chm t c thi gian50/51NChng
chm t ng dy. D phng cho bo v khong cch, bo v so lchCt 27*, khi ng
50BF, khi ng TL, bo tn hiu
6 Bo v li my ct50BFBo v d phng khi c s c h hng my ct.t1 = 0.1s
ct 27*.
t2 = 0.25s ct cc my ct lin quan.
7 T ng ng li c kim tra ha25/79TU27*TUC2*ng lp li ng dy kim tra
ng bt = 2s: Kim tra ng b, ng 27*
8 Bo v qu p/km p59/27TU27*Chng qu p/ km p.Bo tn hiu
Chng 3
THAO TC V X L TRONG VN HNHiu 6. Quy nh chung khi vn hnh.
1. Khi vn hnh h thng rle bo v phi lun lun a vo lm vic y cc chc
nng, sn sng bo v tt c cc dng h hng xy ra trong vng bo v.
2. Khi rle ang vn hnh, NVVH khng c php can thip vo qu trnh lm
vic t ng ca rle.
3. Trong ch lm vic bnh thng ca h thng bo v, NVVH ch c php:
M cc cnh ca cc t xem xt tnh trng thit b trong t.
Thao tc cc nt n trn rle xem cc thng s, gi tr t v cc trng thi ca
rle.
4. Sau khi h thng bo v tc ng, NVVH phi ghi li cc thng tin sau y
nhm phc v cho cng tc phn tch s c trc khi gii tr bo v:
Tn ca cc rle tc ng.
Tt c cc cnh bo trn mn hnh ca rle tc ng.
5. NVVH phi bo ngay cho PXTNSC khi xy ra:
Cc chc nng bo v tc ng nhm.
Cc chc nng bo v t chi tc ng.
H hng rle.
6. Khi h thng bo v rle khng lm vic th ct tt c cc ptmt cp ngun DC
trong t bo v. 7. Ch c sa cha trn h thng bo v rle khi chng c cch ly
khi mch TU v mch TI.8. Cnh bo trong vn hnh.
Khng c s vo mch in trong sut qu trnh vn hnh. Rle lun phi c ni t
theo quy nh. Khng c g b bt k inh vt no ca rle hoc mch kt ni rle.
Trnh s ln mch in khi np sau tho ra. iu 7. Kim tra h thng bo v trc
khi a vo vn hnh:
1. Tt c cc cng vic sa cha, hiu chnh h thng rle kt thc.
2. Cc phiu cng tc, lnh cng tc lin quan ti h thng rle kho.
3. C ng k ca ngi c thm quyn cho php a h thng rle bo v vo lm
vic.4. C bin bn th nghim, phiu chnh nh rle sau sa cha hoc thay mi
rle.
5. ng aptomat cp ngun cho rle.
6. Xem xt khng c n led TRIP hoc vng ALARM no sng. Nu cc n ny sng
nhn vin vn hnh phi reset tt c cc n trn.
iu 8. Kim tra v x l trong vn hnh:
1. Kim tra trong vn hnh:
Khi thit b lm vic bnh thng, h thng bo v c cp ngun y , cc rle
trong h thng bo v lm vic bnh thng th n xanh phi sng lin tc (khng
nhp nhy), cc rle lockout trng thi khng tc ng.
Khi n xanh nhp nhy c ngha l c h hng bn thn rle. Nhn vin vn hnh
phi kim tra v bo ngay cho n v sa cha bit x l.
2. X l trong vn hnh
Trong khi vn hnh rle c th cn c vo cc n trng thi ca rle tm hiu
li.
n xanh:
Sng u: Rle ang vn hnh.
Nhy: c li bn trong rle. Kim tra menu tm li.
Ti: khng c ngun.
n vng:
Sng u: th bo v c bt v mt bn bo co s c c khi to.
Nhy: Rle ang ch Test. Di chuyn ti menu Test v bt Operation, chn
Off.
n : Sng u: bo v hot ng v ct thit b. Nhn C reset. Nu khng c th li
vn cn hoc b lock-out. V vy phi reset lock-out.
iu 9. Hng dn chung v cc b bo v:1. Giao din ngi - my (HMI): Giao
din ca mt b bo v nh hnh di:1. Cc LED trng thi.2. Mn hnh LCD.3. Cc
LED ch th. 4. Nhn ghi cc chc nng ci t trong rle.
5. Cc LED ch trng thi Local/Remote.6. Cng thng tin RJ 45
7. LED ch th khi kt ni qua RJ 45.8. Phm chc nng. Cc phm chc nng:
C: cancel hoc clear. E: enter hoc xc nhn. L/R: ti ch hoc t xa.
Menu: dng chuyn i gia mn hnh v ch th. Reset: khi ng mn hnh reset.
Help: khi ng mn hnh tr gip. I: ng dao cch ly hoc my ct. O: m dao
cch ly hoc my ct. ,,,: thay i, la chn gia cc mn hnh v d liu.2. Cy
th mc ca giao din ngi - my (HMI):Menu chnh Menu ph cp 1Menu ph cp
2
iu khin (Control) S mt si (Single line diagram)
Lnh (Commands)
H thng o lng (Measurements) Gi tr tng t s cp (Analog primary
values)
Gi tr tng t th cp (Analog secondary values)
Gi tr tng t chnh (Analog mean values)
nh lng (Monitoring)
ng h o (Metering)
S kin (Events)
Cc bn ghi s c (Disturbance records) S tay hon chnh (Manual
trig)
Ci t (Settings) Thi gian (Time)
Ci t chung (General settings) H thng ngun (Power system)
Thng tin (Communication)
Cc mdun tng t (Analog modules)
Cc mdun I/O (I/O modules)
Bo v khong cch (Differential protection)
Bo v tr khng (Impedance protection)
Bo v dng in (Current protection)
Bo v in p (Voltage protection)
iu khin (Control)
nh lng (Monitoring)
ng h o (Metering)
Ci t nhm N (Setting group N) Bo v khong cch (Differential
protection)
Bo v tr khng (Impedance protection)
Bo v dng in (Current protection)
Bo v in p (Voltage protection)
Bo v tn s (Frequency protection)
Bo v a nng (Multipurpose protection)
Chng trnh giao tip (Scheme
communication)
H thng gim st th cp (Secondary system supervision)
iu khin (Control)
nh lng (Monitoring)
ng h o (Metering)
Logic
Kch hot ci t nhm (Activate setting group)
Chn on (Diagnostics) Cc s kin bn trong (Internal events)
Tnh trng IED (IED status)
Kim tra (Test) IED kim tra ch (IED test mode)
Cc gi tr u vo nh phn (Binary input values)
Cc gi tr u ra nh phn (Binary output values)
Chc nng kim tra cc ch (Function test modes)
Kim tra LED (LED test)
Kim tra bo v khong cch ng dy (Line differential test)
Reset Reset cc b m (Reset counters)
Reset danh sch cc s kin (Reset internal eventlits)
Reset cc LED (Reset LEDs)
Reset kho (Reset lockout)
Reset nhit (Reset temperature)
U quyn (Authorization)
Ngn ng (Language)
3. c cc gi tr o:a. c gi tr tng t s cp, thc hin vo menu theo ng
dn sau:Measurements/Analog Primary Values
Cch thao tc: Nhn phm Menu, dng phm (( la chn Analog Primary
Values nhn phm E xem. Mun quay v mn hnh ban u nhn phm C.b. c gi tr
tng t th cp, thc hin vo menu theo ng dn:Measurements/Analog
Secondary Values
Cch thao tc: ging a ca mc 3 iu ny.c. c gi tr tng t chnh: Dng in
u vo, thc hin vo menu theo ng dn:
Measurements/Analog Mean Values/mA modules/MIM.
Cch thao tc: ging a ca mc 3 iu ny. Ma trn tn hiu dng in u vo
(SMMI), thc hin vo menu theo ng dn: Measurements/Analog Mean
Values/SMT mA modules/Instance.
Cch thao tc: ging a ca mc 3 iu ny.d. c gi tr nh lng:
Cc gi tr vn hnh (S, P, Q, U, I), thc hin vo menu theo ng dn:
Measurement/Monitoring/ServiceValues(MMXU)/SVR
Cch thao tc: ging a ca mc 3 iu ny. Dng in pha (REG,RED,REC), thc
hin vo menu theo ng dn:
Measurement/Monitoring/Current Phasors/CP
Cch thao tc: ging a ca mc 3 iu ny. in p pha.
in p pha-pha: thc hin vo menu theo ng
dn:Measurements/Monitoring/Voltage phasors/VP
Cch thao tc: ging a ca mc 3 iu ny. in p pha-t: thc hin vo menu
theo ng dn:Measurement/Monitoring/Phase-Earth/VN
Cch thao tc: ging a ca mc 3 iu ny. Dng in thnh phn (I1,I2,I0):
thc hin vo menu theo ng dn:
Measurements/Monitoring/Current-Sequence-Components
(MSQI)/CSQ
Cch thao tc: ging a ca mc 3 iu ny. in p thnh phn (U1,U2,U0): thc
hin vo menu theo ng dn:
Measurements/Monitoring/Voltage-Sequence-Components
(MSQI)/VSQ
Cch thao tc: ging a ca mc 3 iu ny.e. c gi tr o.
B m xung, thc hin vo menu theo ng dn:
Measurements/Metering/Pulse counter/PCCch thao tc: ging a ca mc
3 iu ny. Cng sut ba pha, thc hin vo menu theo ng dn:
Measurements/Metering/ThreePhEnergMeas/ETPCch thao tc: ging a ca
mc 3 iu ny.4. Xem cc s c.
a. Xem chi tit bn ghi s c. Xem thng tin chung, thc hin vo menu
theo ng dn:Disturbance records/Manual trig
Cch thao tc: ging a ca mc 3 iu ny. Xem ch s s c, thc hin vo menu
theo ng dn:Disturbance records/Record xx/Indications
Cch thao tc: ging a ca mc 3 iu ny. Xem cc bn ghi s kin, thc hin
vo menu theo ng dn:Disturbance records/Record xx/Event
recording
Cch thao tc: ging a ca mc 3 iu ny. Xem cc gi tr ct, thc hin vo
menu theo ng dn:Disturbance records/Record xx/Trip Values
Cch thao tc: ging a ca mc 3 iu ny. Tnh ton li khong cch li (REL,
RED, REC), thc hin vo menu theo ng dn:Disturbance records/Record
xx/Recalc distance to fault
Cch thao tc: ging a ca mc 3 iu ny.b. Kch hot bn ghi s c bng tay,
thc hin vo menu theo ng dn:Disturbance Records/Manual Trig
Cch thao tc: ging a ca mc 3 iu ny.5. Chn on tnh trng Rle:a. Tm
li bn trong rle REx: c s kin bn trong (Read internal events), thc
hin vo menu theo ng dn:
Diagnostics/Internal Events
Dng xem cc s kin bn trong REx v cng c th dng tham kho khi h thng
xy ra s c.
Tm cc chc nng sn sng, thc hin vo menu theo cc ng dn:
Diagnostics/IED Status/General Dng xem cc thng tin nh: On (bt),
Ready (sn sng), Fail (li) ca mi phn trong danh sch. Diagnostics/IED
Status/Product Identifiers Dng xem cc thng tin v kiu IDE, chc nng
chnh, s serial Diagnostics/IED Status/Installed HW Xem cc thng tin
v phn cng nh s khe cm, tn module v s mc.
b. Kim tra rle REx (Test REx):Chc nng ny kim tra cc mc trong
HMI. Khi chc nng ny bt th REx s khng hot ng, trong sut qu trnh kim
tra th khng c tn hiu chuyn qua REx. Nhn vin vn hnh khng dng chc nng
ny.6. iu khin v gim st ti t iu khin:Menu iu khin ca HMI bao gm cc
chc nng sau:
S 1 si (SLD): iu khin ng ct thit b s dng phm bm mt trc ca
rle.
Lnh n (Single command): xem d liu kha lin ng LON v ch bt nu LON
c cu hnh v c s dng.
Cng tc la chn (Selector switch): L cng c PCM 600 v cc im chuyn
mch c th thay i trn HMI.
a. c cc gi tr o c v kim tra tnh trng thit b.
Menu SLD dng ng ct cc thit b ti mn hnh rle. SLD hin th cc thng
s: U, I, P, Q. vo menu SLD, thc hin theo ng dn:Control/Single Line
Diagram ng ct thit b trc ht cn s dng cc phm (( trn rle di chuyn chn
biu tng ca thit b cn ng ct. Khi di chuyn ti biu tng no th biu tng
ni ln. m th nhn phm O mu , ng nhn phm I mu xanh.Cc biu tng c s dng
trong menu SLD c m t trong bng di y:
Biu tng M t
MBAt ngu.
Thanh dn.
T in.
My ct.
Cun cn.
Bin dng TI.
Ni t.
Tuyn ni.
My pht.
Dao cch ly.
Mi ni.
ng c.
Cun khng.
Chng st van.
Bin p 2 cun dy.
Bin p ba cun dy.
Xe ra.
Bin in p hai cun.
b. Thng tin trn mn hnh iu khin, cho bit cc ni dung:
Xc nhn cc thao tc ng/ct my ct, DCL,
Cc iu kin lin ng.7. Reset cc chc nng ca rle:a. Reset cc n LED:
Reset cc LED khi ng v ct, thc hin theo ng dn sau: Reset/Reset
LEDs/Start and trip LEDs
Trong hp thoi xut hin chn YES reset.
Reset tt c cc LED, thc hin theo ng dn: Reset/Reset LEDs/All
indication LEDs
Trong hp thoi xut hin chn YES reset.
b. Reset lockout:Lockout l iu kin ngn nga s ng li, xa b chc nng
ny cn thc hin theo ng dn:Reset/Reset lockout/Trip logic(PTRC)
Trong hp thoi xut hin chn YES reset.
c. Reset b m:Thc hin theo cc ng dn nh sau:Reset/Reset
counters/Circuit breaker(XCBR): b m my ctReset/Reset
counters/Circuit switch(XSWI): b m chuyn mchReset/Reset
counters/Pulsecounter(GGIO:12): b m xungReset/Reset
counters/ThreePhEnergMeas/ETP: b m nng lng ba phaReset/Reset LDCM
counters/LDCM Communication: xa b m LDCM. Chn YES trong hp thoi thc
hin xa.
Lu : Khi thc hin th tt c cc b m lin quan s v 0, iu ny dc thc hin
bng cch nhn phm E khi ch YES hin ln.
d. Reset chc nng o nhit :Vo menu theo ng dn:
Reset/Resettemperature/ThermalOverload2TimeConstant(PTTR,49).
Chn YES thc hin.Chng 4
T CHC THC HIN V IU KHON THI HNH
iu 10. T chc thc hin:
1. Phn xng Qun l vn hnh c trch nhim thc hin y quy trnh ny.
2. Cc n v, t chc, c nhn lin quan cn phi hp cht ch nghim chnh chp
hnh quy trnh ny.
iu 11. iu khon thi hnh:
1. Quy trnh ny c hiu lc k t ngy k Quyt nh ban hnh.
2. Cc n v, c nhn quy nh ti iu 1 c trch nhim thi hnh quy trnh
ny.
Trong qu trnh p dng quy trnh ny, nu gp vng mc hoc pht hin sai st
th cc t chc, c nhn c lin quan kp thi xut sa i, hiu chnh v Hi ng thm
duyt quy trnh.PH LC(S h thng rle bo v)TI LIU THAM KHO1. REB 670
Tecnical reference manual.2. REB 670 Operators manual.3. REB 670
Installation and commissioning manual.4. REB 670 Application
manual.5. REC 670 Tecnical reference manual.6. REC 670 Operators
manual.7. REC 670 Installation and commissioning manual.8. REC 670
Application manual.9. RED 670 Tecnical reference manual.10. RED 670
Operators manual.11. RED 670 Installation and commissioning
manual.12. RED 670 Application manual.13. REG 670 Tecnical
reference manual.14. REG 670 Operators manual.15. REG 670
Installation and commissioning manual.16. REG 670 Application
manual.17. REL 670 Tecnical reference manual.18. REL 670 Operators
manual.19. REL 670 Installation and commissioning manual.20. REL
670 Application manual.21. RET 670 Tecnical reference manual.22.
RET 670 Operators manual.23. RET 670 Installation and commissioning
manual.24. RET 670 Application manual.25. Bn v:
BV-B10-I-C05-0002-R1 (HYDROPOWER PLANT - PRINCIPLE DIAGRAM OF
MEASURING AND PROTECTION).26. Cc ti liu ca ABB.
