812 QD TCHC quy trinh VHBD MBA TD41, TD42

roNc cONc'ryDIEN LUC DAUKHI \,'IET NAMcoNG Ty DIEN Lrtc DAU Krri rrA TiNtl d6ng thanh vien Tong Cong ty DiQn luc Ddu khi ViQt Nam vO vi€c ph€ duy6t vd ban hinh Quy ch6 ti5 chfc vir hoat

roNc cONc'ryDIEN LUC DAUKHI \,'IET NAM

coNG Ty DIEN Lrtc DAU Krri rrA TiNtl

d6ng thanh vien Tong Cong ty DiQn luc Ddu khi ViQt Nam vO vi€c ph€ duy6t vd

ban hinh Quy ch6 ti5 chfc vir hoat dong cua Chi nhdnh Tdng Cong ty Ei6n luc

Ddu kli Viit Nam - Cong ty Di{n luc DAu khi Ha Tinh:

X6t d€ nghi cria 6ng Qudn ddc PhAn xudng Vdn hdnh vd 6ng Trudng phdng

DiCu 3 Kc toAn tluong, Tru6ng cdc phdng chrlc ndng, Qudn d6c c5c phAn

xuong chiu tldch nhiirn rhi hirnh Quy6r dini niry

VG viQc ban hirnh Quy trinh v{n hdnh & b6o dudng

c6c m6y bi6n 6p tr,r dirng 10/2088T01, 00BCT01

CONG IIOA XA IIOI CHU NGHiA \4ET NAM

TONG CONG TY EIEN LI/c DAU KIIi VIET NAM

coNG TY DrEN LUc DAU KHi Hi riNH

euY TRiNH vAN HANH c sAo DTIONG

cAc MAy nrEx An rf oi.rxc rolzoserol.00Bcr0r

MA HIEU: PWHTQTOT9VH

Hd T7nh, thdngl ndm 2015

CONG TY DrEN Lrtc DAU KHi H.i TiNH rvP -lot0l9YH

QUY TRiNH VAN HANH & BAO DT'ONGcric MBA TU DUNG r0/20BBT0r,00BCT01 (lI9 QTVH BD TIBA-TD

CHU TRI SOAN THAO: Phin xuOng Vin hirnh

PY Power HT

Quy trinh van hinh & beo du0ng cdc mdy bi6n :ip tF ding 10/20BBT0I,00BCT01 PVPHTQTOI9VH

3t36B,{NG THEO DoI nO sulc srLq oor

PV Power HT

Quy lriDb vAn hinb & bio dudog crc mrl

bi6n 6p tF dirng 10/20BBT0r, 00BCT01 PVP|iTQT0 T 9VH

cONc rt D|EN LUC Diu KHi H) TiNH

Quy dinh, hurl,ng din trong c6ng tdc ki6m tra, theo d6i, van hdnh vd bio du6ng cric

mriy biiin rip tu tlirng l0/20BBT01 vA 00BCT0l cria nhir m6y nhiQt dien VinB Ang l.

2 Ph4m vi ip dgng

Quy trinh nAy 6p dung cho tdt cd cdc nhdn vi€n vdn hirnh, bdo dudng sria chira vd cAc

cdn bO ky thuat ldm c6ng tAc ven hdnh, bio du6rg sria chta 1i6n quan ddn hd thdn3mdy bidn dp tu ding trong nha mtil dien VLtng Ans l.

3 Tii liQu liOn quan

- Ciic tai lieu huirng ddn vdn hdnl vd bao dudng MBA tu ding do nhir sin xudtcung cap.

- PVPVAIQI025VH: Qu) trinh \dn hinh hethone dien tudung

- PVPVn lQ l05oV I l: Quy rr)nh van hcnh hi lhong chua clri).

- PVPVAIQT0J4VtI: Qul trinh rrin hinh hc: lhung role bio rd md1 bicn ip chinh

vd tu ding.

4 chn vi6t tit

DCS Hd thting di6u khi6n phdn tdn

CFVl/ Constant flux voltage variation

co^:a rt Dttn LU( DiLtKHi HiTirH

5.1 NguyGn lf cAu tgo MBA tq dirng

Diiu l NhiQm v! cric MBA tq dirng

Hai mdy bidn 6p tLr dirng to mdy Txl vd Tx2 (10/2088T01) ldm nhiQm vU bi6n ddi

diQn rip tu 2okv o diu ra may phAl rudng lOkr vd cip cho cric phu tii lr dirng cia mdi

ro mdy lrong che d9 vdn hinh binh thr.rbng.

',, ''; '.

M6y bi6n dp tu dilng tr4m ST1 (00BCT0I) l6y trsc ti€p diQn tir ludi 220kv bi6n d6i

xu6ng di€n rip lOkv c6p cho cac phq tli tU dung chung cia hai td mriy khi vAn hdnh

binh thudng

(Tham khao quy trinh vdn hdnh hC thdng didn tu dung: PVPVA tQT025\'H)

Didu 2 Nguy6n lf cdu teo MBA hl'ding Txl, Tx2 vi ST1

t I lnuns oau cnlnn:

- Thirng mdy bi€n 6p dnng d€ chira cAc cuon ddy vd ldi thdp, ddu crlch di6n, thirng

ddu bo didu chinh dign dp co tdi

- Tren mat thung ddu co cdc m4l bich dC lip cric bi6n ddng, st ddu vdo, 6ng ddn dduldn binh ddu phu mal bich cir tham m?t bich diu ti6p dir ldi thdp

- BCn thdnh thilng mdy c6 cric mdt bich di! l6p cdc 6ng ddu b0 ldm rnht, mit bich lipcec van tU xa 6p luc,van nap dAu vdo mriy, Phia du6i thing m6y co van xr diu

d6y, van l6y m6u dAu, vi t ddt tiCp dat, vi rd dC kiah, cau m6y,

2) Binh ddu phu

- Binh ddu phu dat tlen thing ddu chinh n6i vdi thing dau chinh qua lnot 6ng dandiu co nhidm vp chria diu gian nd ru thung rldu chinh bdo ddm cho rndy bi6n ripluOn duoc ngap tong dau Thing dau phq chia ldrn 2 khoang, mQt kloang n6i vdi thtng ddu chinh, mot khoang ndi v6i thirng ddu bQ di€u chinh di6n 6p c6 tni Khi

vdn hdnh dAu bi n6ng s€ ddn n0 ldn xu6ng tg do trong thi'ng d;u phu M{t thoang

crla diu dugc lidn hd vqi mdi truong khong khi qua rhung diu phu

cbNG n D|EN L(tc D,4u Kuj H) rlNrr

r - rnung oau pnu z.

2- Mirng trii cao su chiu ddu.

3- Van xA kli.

4- Bd tho

l- trong no oao muc oau.

6- Relay ga.

/- Ketay oong oau.

8- Thung dau bQ d6i n5c c6 tdi

y- van xa oay cua Inung oau pnu.

trong m6y c6n bnng vdi 6p su6t b€n ngodi d 2 dAu binh diiu phu co dong tr6 brio

muc dau cia 2 khoang tuong Lrng vor nhiQt dQ ddu

-BQ thd mdy bi6n dp

Cdu t?o cia binh thd gdm 2 khoang chinh: Khoang tr€n chria ddy h4t silicagel,

khoang droi ld phin chua diu mril bi6n dp Khi nhidr dq thdp muc diu binh ddu

phu giam vd 6p suat kh6ng khi ben ngoari l6n hon trong miiy, khdng khi bdn ngoditli qua.ddu 0 khoang du6i vd cAc h4t silicagel & khoang tr6n vdo mAt tho6ng t€nbinh d6u phu Khi di qua ddu vd-cdc hat silicagel, kh6ng khi dugc lgc s4ch im vi

bui, nhd d6 khi n6 ti€p xric v6i d6u kh6ng ldm gi6m chAt lugng ddu.

Tl nq diu chinh

cdNc rv D|EN LUc Diu KEi H) rjNH

Khi nhi6t dd cao, kh6ng khi trong niy vi Lliu giin nti lirn ip suiit trong rrdy lonhon ngodi rnriy khi d6 kh6ng khi trong mny di qua bQ thd di ra ngoii (mi1 bidn thc

th6)

Lac van oau:

Ciic r an cliu lim nhidm vu nap vir \r darr Cic vcn lhuong dLroc bd tri o nhieu noi

nhu thirng ddu chinh, thr)ng ddu phq tr€n c6c ddn cdnh tin nhiet, treo thing diuchrlra bQ rlieu chinh diQn rip dudi tii Trong quin ly vin hdnh ciirc van diu c,.l lai

trd quan trong, cAn phii thudng xuydn theo d0j tinh trang lim viQc cfra cac van,n€u mQt trong cdc van bi ket, giy h6ng hoic rd ri diu cin phdi sria chira ho?c chothay the kip thdi

x.o te ltru luong oau:

Relay luu lugng diu durrc lip trdn duong dng din diu ru thirng cJru bo LJiiu chinlrdien ip co tdi den rhing ddu phu Khi \i) ra phong dien lrong Ihrlng diu bo doi

nAc rip luc binh d6u b6 d6i ndc ting l€n, ddu di ngugc theo duong 6ng l6n binhddu phu.qua ro le luu luong N6u ltru iuong vuqt quA gi6 tr! ciri dit, ro le hm

luong diu sd Lic ddng gui lin hidu di c6r dien bdo vd MBA

Co^:A rY DtEn L(tt D;U

^Hi riNH

LO N Ill (llill sat L6 hrol cip

Cliitu tlons diu

rnlolg Do

hr tltintl: tlau plm rons tic I{

lfinh 3 : Ro le ltru lrcrng dduTrin relay co dat met lo kinh quan srit vi tri ldm viQc vd mirc ddu trong ro le, khi

relay tric dQng cd dd sC hi6n thi tr6n cria so lo kinh quan sit Trr-n nip rclay c6 hai

nrit nhin: mot nlt thu tdc dong \ d mot nrit giei ftu, sau khi tdc dQIg ro le vdn giirnguyen fi4ng thAi nen tru6c khi d6ng diQn rniy bi€n 6p ta phai nhan ntt giai tdr dC

reset role

Ro le hoi

ReJay hoi ld bio vQ chinh cria m6y bi6n [p Relay hoi c6 cdu t4o b€n ngoai gin

gidng nhu relay luu luqrng ddu vd cluoc lip tr6n dudng 6ng dAn d6u tir thamg dau

phu xu6ng thing ddu chinh

Hinh 4 : nguy'n lj' cAu 4o cia Role hoi

- Trong ro le co hai qudL phao gan vdi hai cap ti6p di6m diQn, hai qu6 phao c6 d4nghinh cAu r6ng Binh thudng trong ro le hoi ddy ddu cd hai phao diu n6i, ca hai c4p

c6^"c t't D|EN LUc D;u Kfli t iNtr

ti6p di6m di6n d€u hd mach, khi c6 hi€n tuqng hu h6ng (ph6ng di€n, chip von_e

ddy ) ddt chdy cuc bd diu trong thilng deu chinh sinh m cdc bQt khi khi theo6ng rJrin d)u ldn ro le hoi chidm.chrl lam muc diu trong ro le hoi giam xudng lim

cho phao ha xu6ng Khi mqrc ddu ldrn phao phia tr€n ha xu6ng den mfc t6c dQngthi cap tii-ip diiim di€n thf nh6t d6ng giri tin hieu di b6o dong Khi Khi muc dcutiep tuc giam ldm phao phia du6i h4 xu6ng don miie t6c ddng thi cnp tiep di€rn

di€n thi? hai sE d6ng grii tin hiQu di.bdo vd cdt MBA Tron*r ro le hoi eirn c6 m6ttam chin nhd trCn dudng di chuyen cia ddu qua rsle hoi, khi ngin mlch trong

MBA, 6p suat trong thirng dAu chinh ting ddt ng6i, m6t lugng ddu giin nd tir

thung ddu chinh di nguoc len thung dau phu, kli vdn t6c dong dau di loo tdc dong

rao tim chin ddy phao phic ducii hc xrrinc rric tl1,ng riip.liirn rhu hri di rir bio

vC MBA.

Trdn ro le co dat mot lo kinh quan sdt vir co 2 nit nbdn diug khi thi nghidm hiQu

chinh mach b6o v6 MBA: mot n(rt liic dong grii tin hieu di bdo dong vi m6t nrit dit6c dODg grii tin hiQu di cit bio vQ, ngoii ra cdn c6 mdt duong xa khi dirng tle xi

vi li1, mlu khi trong rn le

R0 le 6p suat.

Trong thirng miiy biiin rip dugc diAn di diLr Khi cu ngin rnrch lr.ln trong n6i b6

mriy bi€n dp, rip sudt ddu trong d6 ting nhanh, neu 6p suat nd)' kh6ng du(rc xi thiv6 rn6y bi6n rip c6 thd bi vd gdy n€n sr1 c0 nghi6m trgng Trong.truarng hgp ni)'

can c6 thiCt bi xa 6p suat tirc thdi d0 bho vQ MBA Iln le dp sudt lim nhiQm vq

giim rip tuc th<ri cho MBA trong trlfdng hqp niy.

t

i I

Lo xo cria thiet b! xd dp sudt l,m bang lhep dac bift Khi c6 sg co trong thing mi1

bi6n 6p, dp su6t tong m6y thing lqc ld xo cira van Khi d6 van md vd dp sudt dLrqc grar phong ra ngoar dong thoi lam d6ng ti6p di€m b6o vd ngimg MBA, thiet bi xa

coNcrt DIEN LLlc D/iu KHi H) TlNH

dua tin higu di ngirng m6y bi€n 6p.

8) C6c role b6o v€ MBA

,, , i

- He th6ng ro Ie bao v9 cho ciic mAy bi€n 6p tu dirng Nhd mdy EiQn Vtng Ang 1 ld

cac rq le kY thuat s6 da chr?c ning

C6c loai Ro le beo v6 m6v bi6n {p tu dins.

(Tham kh6o quy trinh van hdnh role bdo ve mriy bidn 6p: PVPVAI QT034WI)9) B0 di€u chinh tli0n rip (b6 d6i n6c) du6i t6i (OLTC)

- B0 dicu chinh ttign dp co nhi6m \u di€u chinh di6n rip phia ddu ra cria miiy bi6n iiptheo y€u cdu, bQ tli€u chinh diQn ap OLTC ldm vidc khi mdy Bi6n rip dang mangtai

- Bd diiu chinh dien dp duoi tai dat o phia cao dp cLia MBA bd chLrydn chuyCn ddi

nac MBA g6m c6 Motor dan dong, hop giem t6c cac bO tiCp didm chuy€n d6i ndc

vd h€ th6ng di6u khi6n cho ph6p vdn hdnh tai ch6 hay tir xa, van hanh tu dong hay

bing tay (vdn hdnh bang motor Lruyin dgng hoac bang ta) quayJ.

- 86 didu chini diin dp c6 tdi ldur viQc thudng xuy6n, h6 quang ph6t sinh nhiCu nenddu giim ch5t luqng nhanh hon do rlo bo didu chinh di6n dp vd dAu ph6i chria

trong ngan rieng cdch ly voi diru trong thung deu chinh

I u, He mong larn mar oau may Dren ap.

thong ldm mdt cua mdy bien ip t6 m6y Tx1, Tx2 gom c6 16 b0 c6nh tan nhiet vi

08 quat ldm mat Mdy biiin dp tu dnng chung gom l6 bd ciinh cdnh tin nhiet vd 06cac quat ldm mat

5.2 E{c tinh ki thuft

Didu 3 D{c tinh k} thuat MBA ttl ddng Txt, Tx2 (Unit Auxiliary Transformer)

- Nhd chii tao: JSHP Transformer Company

- Nhiet .16 m6i trudng: 40.4oC

- Di€n dp dinh mtic: 26kVl10.5kV

- D0lanp, nhiet dq dau: 55K

- Tro.ng lugng:

' Dau crich didn: 2q.200 lirl27,q 6n

Khdi luong mdy khi di chuydn: 8j-5 tin Q.J2)

T6ng kh6i luong miiy: 125-1 rin

,,^ i

- r19 rnong ram mar gom:

Ciinh tan nhiet: Si5luang: 16bO

Quat ldm m6t: 36 lugng: 08 crii

cdNGtrDt€N LrJc Diu KHit Ti\H

PV Power HT

Quy trinh v{n hntrh & bio dudDg c6c m:ir bi6n ip tF dnng l0/20BBT01, 00BCT01 PVPHTQT0I9VTI

hdnh bdng tay hodc tu dQng theo nhiet do diu va cuOndaY)'

Motor quat: 50H2, 0.37kW, 400/230VAC, 940rym

- B6 d6i nAc MBA (OLTC):

Loai Mlll500Y-72.5/B-l0l9lW (MtuCermany) co lq nic di-t o phia cao dp cria MBA, vdn hdnh bing motor truydn dQng honc bing tay quay Cho ph6pvan hanh t?i ch6, tir xa vd v{n hdnh bing ray holc rrr d6ng

Loai di6u khi6n di6n rip: CFW

56 vong quay tay m5i n6c: 33 vdng

Ngudn cung c6p' 400VAC,3 pha,50Hz

Bnng gi{ tri tliQn np tuorrg rirrg v6i bQ d6i nic OLTC.

Phia chi thi Vi tri nAc Di6n 6p (V) Ddng c1i0n (A)

PV Power HT

Quy trinh r6n hAnh & bio dudng c6c m61

bien ip tF dnng 10/20BBT0I, 00BCT01 PVPI|TQ'f0r)vH

Ei6u 4 D{c tinh ky thuat cic thi6t bi phu tro miy bi6n ip Txl, Tx2

- D6ng hd chi thi mu c dAu

^r tson dau phu .i OL lC: YZF2-200111

Bdn ddu phrr binh diu chinh: YZF2-2iOTH

- o6ng hii chi thi nhidt tl6 diu

Kreu: co Do cnr tnt Do cam bten nitel va ong mao dan

- Diing hd chi thi nhi6t tlQ cuQn tl6y

Ki6u: c6 ti6p di6m, chiu dp luc gdm bQ chi thi, bd cim nhiet vd 5ng mao dan

- Rale hoi Buchholtz (Rcle hoi)

- Thi6t bi xn dp lqc rank diiu chinh:

Didu 5 D{c tinh ki thuat MBA tF dnng STI (Station Auxitiary Transformer)

c.Nc7'y DIEN LUc D;u KHi TlNtI

- Nhi6t dd m6i truong: 40.4oC

- D6 tang nhier d6: 1EC60076 rcudn di1- diu)

- Trgng lurlng:

Ldi va cudn di;): 76 rin

' Diu cdch diin: 56000 lir/46,3 rdn

Khoi luongmdykhi di chuydn: loj.lldn(N/) Tdng k}l6i luong m6y: 163,4tdn-

- l]e rnong ram mal gom:

C6nh ten nhiet: S6luong: 16bO

Quat ldm mdt: Sd lLrong: 06 crii

hdnh bdng lay hoac tU ddng theo nhi€t dd diiu vd cudndav)

Motor quat ldm miit: 50H2, l.lkW, 400/230VAC, 590rpm

- 86 .l6i n6c MBA (OLTC):

Loai MIII350Y-123/C-l0lolw (MR/cermany) co l9 ndc dar & phia cao dpcia MBA, v4n hdnh bdng motor truyan dong ho4c bAng tay quay Cho phdpvan hanh tai ch6, tt xa vd van hanh bdng tay hoic tU dong

Loai dieu khien dien dp: CFVV

50 vong quay tay mdi ndc: 33 vdng

PV Power HT

Quy trinh lin hiDh & bao dudng cdc mir

bion ip tq dnng l0/20BBT0l, 00BCT0I PVP]tl QT0rtVH

B?ing gin tri tliQn 6p tu'oxg ftng v6i b6 tl6i n6c OLTC.

PV Power HT

Quy trinb vio hinh & beo dudng ric m6y bi6n ip tg ding l0/2088T01,00BCT01 PvPHTQT0t9VH

Diau 6 cnc thi6t bi phq trg miy bi5n 6p ST1

- Ddng hii chi thi mqc dAu

-i .: ^.-^ ,1

Bdn ddu phr,r OLTC vi bdn dau phu cira tank diu chinh

Nhd ch6 tao: Sheng Yan

Kreu: co bo chi lhr be cdm bien nhidt r i ong mao din

- Ddng hii chi thi nhiQt tIQ cuQn rtiy

l\na cne r?o: l\e nong

Loai: BWR-906

Kieu: co tidp diem, chlu 6p luc g6m b0 chi thi, b0 cAm nhiet vd 6ng mao dan

- Role hoi Buchholtz

,, i

t\na cne [ao: ,lu sneng

Loai: QJl2-80TH

- Thi6t bi xd dp lgc binh diu chinb:

l\na cne tao: )neng Y an

Loai: YSF70/l30KJTFI

- Role bdo ve ting dp suet d0 ngot:

Nhd ch6 t4o: Sheng Yan

Lo4i: SYG-50THG4

5.3 Crc chii alQ cho ph6p lirrn viQc quri tii cria MBA

Dilu 7.

Cric mdy bi6n dp cho phdp quii tei bini thuong, thdi gian & mric d0 qud tii phu thuQc

vao d6 thi phu tai hAng ngdy, nhi€t tlO mdi trud'ng ldm mrit, Thdi gian quri tii cho ph6p

ddi voi mdy bien dp lam mdt bang quat gio nhLr sau:

B6i s6 quri tai

Cho phdp mdy bi€n rip ldm viQc qui di€n rip ldu ddi t6i 105% so vdi di6n rp cic nic

cr:ra cdc cuQn d6y khi ddng di6n trong cudn diy kh6ng cao hon ddng di6n ciinh mtlcimg vtii ndc d6 vd nhiet dQ lop dau tren, nhier dQ cudn d6y khdng vuor qui nhjet d6cho phdp ldm vi6c ldu ddi

Di6u

9-Cho phdp mriy biOn.rip qu6 tii l6u ddi ri n6t trong c6c cn6n diy kh6ng quri 105% so

vdi ddng di€n ciic nAc crla cdc cudn ddy ndu di€n rip d6y khdng vuqt qud clinh mfc irngv6i nac d6 vd nhi6t d6 lop dau tren, nhier d0 cuon ddy khdng vuor qud nhiet d6 chophdp ldm vidc ldu ddi

Di€u 10

Klii sy c6 rnriy bi6n dp dugc ph6p qui taj ng;n han cao hon dong didn dinh mric theo

cric gioi han sau rldy (khdng phU thudc thoi gian va tri so crla dong di(n tru6c khi su

c6, kh6ng phu thu6c nhi6t d6 m6i trudng ldm ndt):

-

-i -

-'' ,-" Qu6 tdi theo ddng tli6n (%) I 30 45 60 75 100

L'dc mdy bien 6p ddu riuoc phdp qui tdi 40% so vdi ddng cli6n dinh mftc nhi€u lin n€ut6ng s6 thdi gian quA tai 6 mric tr6n kh6ng qu6 6 gid mQt ngdy dCm trong 5 ngdy lienti€p vdi di€u ki€n hQ s6 phu t6i ban dAu kh6ng quri 0,93 Khi d6 phai ran dpng h€r khri

ning mgi trang bi ldm miit cia m6y bidn iip vd thudng xuydn ki6m tra nhiet dQ ddu vi

cuQn ddy cta mriy bi€n rip.

c.Nc7r D|EN t.Llc Diu KHi TiN