Mc 2NH S THIT B TRONG H THNG IN

iu 1. Ch s c trng cho cp in p 1. in p 500 kV: 2. in p 220 kV: 3. in p 110 kV: 4. in p 66 kV: 5. in p 35 kV: 6. in p 22 kV: Ly ch s 5 Ly ch s 2 Ly ch s 1 Ly ch s 7 Ly ch s 3 Ly ch s 4

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 2. Tn thanh ci 1. K t th nht ly l ch C.2. K t th hai ch cp in p, c ly theo quy nh ti ca Quy trnh

ny. 3. 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 3. Tn ca my pht hoc my b quay 1. 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. 2. 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 4. 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 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 5. Tn ca my ct in1. K t th nht c trng cho cp in p, c quy nh ti 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. 2. 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: ) My ct ca my b quay: e) My ct ca t b ngang: Ly s 0. Ly s 0. 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). c. K t th th ba (bn i vi my ct khng v t) th hin s th t: 1,2,3... d. i vi my ct ca thanh ci ng vng hai k t tip theo k t th nht l: 00. e. 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 6. 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 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 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 7. Tn ca t in 1. 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 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 8. 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 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 9. 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. 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 10. Tn in tr trung tnh u vo im trung tnh ca my bin p hoc khng in1. 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 th in tr trung tnh u vo trung tnh cun 110 kV ca my bin p T1. iu 11. Tn ca chng st 1. Hai k t u ly ch CS;2. 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 12. Tn ca dao cch ly1. 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 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 13. 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 14. 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 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 15. Cc thit b ng ct cc nhnh r, cc phn on gia ng k hiu 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 cc

k t u nh s nh quy nh (nh s dao cch ly c thc hin gi thit nh c my ct). 3. 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)