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8/21/2019 Hng dn c s Trm bin p.pdf

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Chuyn : AUTOCAD ELECTRICAL Lin h: [email protected]

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HNG DN C S TRM BIN P (S NHT TH)

NH STHIT BTRONG HTHNG IN QUC GIA

Mc 1NGUYN TC CHUNG

iu 1.Ti nh my in, trm in v cc thit b chnh, thit b ph tru phi c t tn, nh s. Cc thit b chnh phi nh s theo quy nh, ccthit b ph phi nh s th t theo thit b chnh v thm cc k t tip theo

phn bit.

iu 2.Trong Mc 2 ca Chng ny ch quy nhnguyn tc nh s cc

thit b nht th phn in ca cc nh my in v trm in thuc quyn iukhin ca cc cp iu . Cc n v qun l vn hnh t quy nh nh s ccthit b thuc quyn iu khin ca n v mnh.

iu 3.Vic nh s cc thit bnht th phn in ca cc nh my in vtrm in thuc quyn iu khin ca cc cp iu c quy nh nh sau:

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

2.

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

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

4.Quy nh nh s ny p dng cho cc cng trnh mi. Cc cng trnhhin ang vn hnh nh s khng ng vi quy nh ny th khi c iu kin phit chc nh s li.

Mc 2NH S THIT B TRONG H THNG IN

iu 4.Ch s c trng cho cp in p

1. in p 500 kV: Ly chs5



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7. in p 15 kV: Ly ch s 8 (ring in p u cc my pht

in, my b ng b15 kV u ly s9);

8. in p 10 kV: Ly chs9 (in p u cc my pht in, my

b ng b10 kV u ly s9);

9. in p 6 kV: Ly chs6 (in p u cc my pht in, my

b ng b< 10 kV u ly s6);

10. Cc cp in p khc do cp iu c quyn iu khin tquy nh v phi thng qua cp

iu c quyn kim tra.

iu 5.

Tn thanh ci1.K t th nht ly l ch C.

2.K t th hai ch cp in p, c ly theo quy nh tiiu 4ca Quytrnh ny.

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

V d:

- C12: biu ththanh ci 2 in p 110 kV;

- C21: biu ththanh ci 1 in p 220 kV;

- C29: biu ththanh ci vng in p 220 kV.

iu 6.Tn ca my pht hoc my b quay

1.K t u c quy nhnh sau:

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

b) i vi thy in: K hiu l chH;

c) i vi tuabin kh: k hiu l chGT;

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

) i vi iesel: K hiu l chD;

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

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

V d:

-S1: biu thtmy pht nhit in smt.


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-GT2: biu thtmy tua -bin kh shai.

iu 7.Tn ca my bin p

1.K t u c quy nh nh sau:

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

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

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

d) i vi my bin p kch tmy 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 mybin p. i vi my bin p t dngk t tip theo l cp in p v s th t.

V d:

-

T1: biu thmy bin p smt.-T2: biu thmy bin p shai.

-

TD41: biu thmy bin p tdng smt cp in p 22 kV.

-AT1: biu thmy bin p tngu smt.

iu 8.Tn ca my ct in

1.K t th nht c trng cho cp in p, c quy nh tiiu 4caQuy trnh ny. Ring i vi my ct ca t k t th nht l ch T, khng in kt th nht l ch K cn k t th hai c trng cho cp in p.

2.

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

a) My ct my bin p: Ly s3.

b) My ct ca ng dy: Ly s7 v s8 (hoc ts5 n 8 nu s phc tp);

c) My ct ca my bin p tdng: Ly s4.

d) My ct u cc my pht in: Ly s0.

) My ct ca my b quay: Ly s0.

e) My ct ca tb ngang: Ly s0.

g) My ct ca tb dc: Ly s0 (hoc 9 nu s phc tp).

h) My ct ca khng in: Ly s0 (hoc 9 nu s phc tp).

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

4.i vi my ct ca thanh ci ng vng hai k t tip theo k t th


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nht l: 00.

5.i vi my ct lin lc gia hai thanh ci hai k t tip theo k t thnht l s ca hai thanh ci:

a) i vi s hai thanh ci (hoc mt thanh ci c phn on) nh scc my ct thanh

ci chn th nh sthtchn, cc my ct thanh ci lth nh sthtl.

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

c) i vi s 3/2 (mt ri), s4/3: tutheo sc thnh stheo cc cch sau:

- nh scc my ct theo my ct ng dy;

- nh sk tthhai my ct gia (khng ni vi thanh ci) s5 hoc s6.

- nh sk tthba theo thtngn l.

V d:

-

371: biu thmy ct ng dy 35 kV mch smt.

- 131: biu thmy ct ca my bin p s1 cp in p 110 kV.

- 641: biu thmy ct ca my bin p tdng s1 cp in p 6 kV.

- 903: biu thmy ct ca my pht in sba, in p10 kV.

-

K504: biu thmy ct ca khng in s4 ca thanh ci, in p 500 kV.

- 100: biu thmy ct vng in p 110 kV.

- 212: biu thmy ct lin lc thanh ci in p 220 kV.

iu 9.Tn ca khng in

1.

Hai k t u l ch KH, ring khng trung tnh k hiu l KT.2.K t th 3 c trng cho cp in p, c ly theo quy nh iu 4

ca Quy trnh ny.

3.K t th 4 l s 0.

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

V d:

-

KH504: biu thkhng in 500 kV mc mch sbn.

- KT303: biu thkhng trung tnh 35 kV mc trung tnh my bin p s3.

iu 10.

Tn ca t in

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

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


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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 tb ngang ly theo s th t ca b t.

V d:

-

TBD501: Biu thtb dc in p 500 kV mc mch smt.

- TBN302: biu thtb ngang in p 35 kV mc mch shai.

iu 11.Tn ca cc my bin in p

1.K t u l TU;

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

V d:

- TU171: biu thmy bin in p ngoi ng dy 110 kV 171.

- TUC22: biu thmy bin in p ca thanh ci shai in p 220 kV.

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

iu 12.Tn ca cc my bin dng in

1.Hai k t u l TI ;

2.Cc k t tip theo ly tn thit b m my bin dng in u vo. ivi 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 thmy bin dng in cp in p 110 kV ni vi my ct 171.

iu 13.Tn in tr trung tnh u vo im trung tnh ca my bin phoc khng in

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

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

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

V d:

-

RT1T1: biu thin trtrung tnh u vo trung tnh cun 110 kV ca my bin p T1.

iu 14.Tn ca chng st

1.Hai k t u ly ch CS;


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

V d:- CS1T1: biu thchng st ca my bin p T1 pha in p 110 kV.

- CS0T1: biu thchng st mc vo trung tnh my bin p T1.

- CS271: biu thchng st ca ng dy 271.

iu 15.Tn ca dao cch ly

1.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(-).

2.

K t tip theo c quy nh nh sau:a) Dao cch ly thanh ci ly sthtca thanh ci ni vi dao cch ly;

b) Dao cch ly ng dy (dao cch ly pha ng dy) ly s7;

c) Dao cch ly ni vi my bin p ly s3;

d) Dao cch ly ni vi thanh ci vng ly s9;

) Dao cch ly ni tt mt thit bly s0 hoc s9;

e) Dao cch ly ni ti phn on no (pha phn on no) th ly sthtca phn on thanh

ci (hoc thanh ci) ;

g) Tn dao cch ly ni vi in trtrung tnh hoc khng trung tnh ly s0.

V d:

- 331-3: biu thdao cch ly ca my bin p T1 in p 35 kV.

- K501-1: biu thdao cch ly khng s1 cp in p 500 kV ni vi thanh ci s1.

- TUC22-2: biu thdao cch ly my bin in p ca thanh ci shai in p 220 kV ni vithanh ci s2.

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

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

-

275-0: Biu thdao 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 tnhKT301.

iu 16.Tn cu ch

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


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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 thcu ch ca my bin in p thanh ci C31.

iu 17.Tn dao tip a

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

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

a) Tip a ca ng dy v tin ly s6;

b) Tip a ca my bin p, khng in v TU ly s8;

c) Tip a ca my ct ly s5;

d) Tip a ca thanh ci ly s4;

) Tip a trung tnh my bin p hoc khng in ly s08.

V d:

- 271-76: biu thdao tip a ngoi ng dy 271.

-

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

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

- 131-08: biu thdao tip a trung tnh cun dy 110 kV ca my bin p s1.

iu 18.Cc thit b ng ct cc nhnh r, cc phn on gia ng khiu nh sau:

1.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.

2.i vi dao cch ly phn on ng dy hoc dao cch ly nhnh r cck t u nh s nh quy nh iu 15(nh s dao cch ly c thc hin githit nh c my ct).

3.Cc k t cui cng l du phn cch (/) v v tr ct phn on hoc rnhnh

V d:

- 371/XX: biu thmy ct 371 phn on ng dy ct sXX in p 35 kV.

- 171-7/XX: biu thdao cch ly phn on ng dy 110 kV sct XX.

- 171-76/XX: biu thdao cch ly tip a ng dy 110 kV sct XX.

iu 85.Cc phlc km theo Quy trnh ny gm:

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


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

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

BTRNG

( k)

Hong Trung Hi


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Phlc 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 Btrng BCng nghip)

1. V: iu vin.

2. HT: Hthng in.

3. KSH: Ks iu hnh hthng 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 hthng in quc gia.

16. A1: Cp iu hthng in min Bc.

17. A2: Cp iu hthng in min Nam.

18. A3: Cp iu hthng in min Trung.

19. B01: Trc ban n vTruyn ti in 1.



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

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



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