Bao Cao PT Ket Day (HIEUND v1)

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH

BO COTNH HNH VN HNH V PHNG THC KT DY LI IN H TNH

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TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 1. TNH HNH VN HNH: 1.1. Khi lng qun l vn hnh:

- ng dy 110kV: 179,1km (trong 27,4km song tuyn)- S trm bin p 110kV: 05 trm bin p vi tng cng sut t 196 MVA.

- S trm bin p trung gian 35/10/6kV: 9 trm/16 my vi tng cng sut t 48450 kVA- Tng s ng dy trung th 35, 22, 10, 6kV: 2 355,22km

- Tng s MBA phn phi 35-10-6/0,4kV: 1964 my vi tng cng sut t 389 663,5 KVA2

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 1.2. Tnh hnh ph ti v in nhn:Nm Pmax (MW) Tng trng (%) Pmin (MW) A ngy max (kWh) A ngy tb (kWh)

20072008 2009 2010 2011

81,083,6 87,6 95,9 116,0

15,73,2 4,8 9,5 21,0

6,37,2 8,8 10,8 13,0

1 116 4901 310 840 1 460 426 1 570 342 1 782 846

869 166989 756 1 123 414 1 214 087 1 298 544

2012

118,8

2,4

19,6

1 820 086

1 320 619

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TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 1.3. Cng sut t ti cc trm 110kV:Tn trm 110kV E18.1 Thch Linh Tn MBA T1 T2 T1 T2 T1 T1 T1

St (MVA)25 40 16 25 25 25 40

Pmax (MW)18,5 33,3 13,7 12,0 11,8 16,8 3,604

E18.2 Linh CmE18.3 K Anh E18.4 Can Lc E18.5 Vng ng


2. PHNG THC KT DY C BN: 2.1. Ti cc trm 110kV:* Trm E18.1: Vn hnh T1 v T2, cc MC 112, 300, 400, 371 v DCL hai pha ct. - MBA T1 nhn in t 174T500HT cp in cho cc ng dy 471, 473, 475, 477, 373 v 375. - MBA T2 nhn in t 172T500HT cp in cho TG Hng Kh qua MC 372, TG Cm Xuyn qua MC 374, cc ng dy 472, 474 v 476. * Trm E18.2: Vn hnh T1 v T2 nhn in t 171E15.1 ha vi A18.6 cp in cho TG Hng Sn qua MC 372, TG Linh Cm qua MC 377 v cc ng dy 371, 373.5


2. PHNG THC KT DY C BN: 2.1. Ti cc trm 110kV:* Trm E18.3: Vn hnh T1 nhn in t 176T500HT cp in cho cc ng dy 371, 373, 375 v 377. * Trm E18.4: Vn hnh T1 nhn in t 174E15.1 cp in cho cc ng dy 971, 973, 975, 371 v TGT qua MC 373. MC 172 v DCL hai pha ct. * Trm E18.5: Vn hnh T1 nhn in 172E18.3 cp in cho ng dy 371 v 373.

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2. PHNG THC KT DY C BN: 2.2. Ti cc trm trung gian:* TG Hng Kh: Vn hnh T1 v T2 nhn in t MC 372E18.1, cp in cho Z 971 v 972. DLL (VQ - HK) gia ng dy 372E18.1 v 371E18.2 ct. * TG Cm Xuyn: Vn hnh T1 v T2 nhn in t 374E18.1 cp in cho cc ng dy 971, 972, 974, v 372. DLL (CX - KA) gia ng dy 372CX v 372KA ct. * TG K Anh: Vn hnh T1 nhn in t 373E18.3 cp in cho ng dy 971 v 973. DLL s 1 gia ng dy 372KA v 377E18.3 ct, DLL s 2 7 gia ng dy 371E18.3 v 371E18.5 ct.


2. PHNG THC KT DY C BN: 2.2. Ti cc trm trung gian:* TG Trai: Vn hnh T1 (T2 d phng) nhn in t 373E18.4, cp in cho cc ng dy 671, 672; cc MC 371, 372 v DCL hai pha ct. * TG Hng Sn: Vn hnh T1 v T2 nhn in t 372E18.2 cp in cho cc Z 971, 972 v 372; DLL (VQ - HS) gia ng dy 372HS v 371E18.2 ct, MC 912 ct. * TG Trng Lc: Vn hnh T1 v T2 nhn in t 373E18.2 cp in cho cc ng dy 971, 972 v 974.8


2. PHNG THC KT DY C BN: 2.2. Ti cc trm trung gian:* TG Nghi Xun: Vn hnh T1 nhn in t 372E15.7 cp in cho ng dy 971, 973. DLL (HL - NX) gia ng dy 373E18.4 v 372E15.7 ct. * TG Linh Cm: Vn hnh T1 (T2 d phng) nhn in t 377E18.2 cp in cho ng dy 671, DCL 332-1 v DCL 632-2 ct.

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3. PHNG THC KT DY KHI S C: 3.1. Khi s c ng dy 110kV:* Tnh hung 1: S c xy ra trn ng dy cung on t 172T500HT n 172E18.4. Khi phng thc cp in ti trm E18.1 nh sau: + Ct MC 172, DCL 172-2, DCL 172-7. + ng DCL 112-1, ng DCL 112-2 v ng MC 112 cp in cho T2.

* Tnh hung 2: S c xy ra trn ng dy cung on t 174E15.1 n 171E18.4. Khi phng thc cp in ti trm E18.4 nh sau: + Ct MC 171, DCL 171-1, DCL 171-7. + ng DCL 172-7, ng DCL 172-2 v ng MC 172 10 cp in cho T1 E18.4.


3. PHNG THC KT DY KHI S C: 3.1. Khi s c ng dy 110kV:* Tnh hung 3: S c xy ra trn ng dy cung on t 174T500HT n 171E18.1. Khi phng thc cp in ti trm E18.1 nh sau: + Ct MC 171, DCL 171-1, DCL 171-7. + ng DCL 112-2, ng DCL 112-1 v ng MC 112 cp in cho T1.

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3. PHNG THC KT DY KHI S C: 3.1. Khi s c ng dy 110kV: * Tnh hung 4: S c xy ra trn ng dy cung on t 171E15.1 n 171E18.2. Khi phng thc cp in nh sau : a. Xin kin A1 tch MC 171E18.2 v ha nh my thy in Hng Sn (A18.6) vi 373E18.4 cp in cho ph ti trm E18.2. b. Nu khng ha c, B18 iu hnh tch T1,T2E18.2 ra khi vn hnh, cp in cho Z 371E18.2 (Pmax: 4,0MW) t 372E18.1 (Pmax T2E18.1: 33,3MW), cp in cho Z 371E18.4 (Pmax: 3,5MW) t trm E18.1 (Pmax T1E18.1: 18,5MW), cp in cho cc ph ti cn li trm E18.2 t 373E18.4. Sau khi chuyn cp in cho cc Z 371E18.2 v 371E18.4 th theo tnh ton ti trm E18.4: Pmax 13,3MW, Pmin 2,14MW v trm E18.2: Pmax 21,7MW, Pmin 4,78MW. Do nu s c xy ra khi ph ti max ch cp c mt s 12 ph ti quan trng.


3. PHNG THC KT DY KHI S C: 3.1. Khi s c ng dy 110kV:* Tnh hung 5: S c xy ra trn ng dy cung on t 176T500HT n 171E18.3. Khi phng thc cp in nh sau : Tch T1E18.3 v T1E18.5 ra khi vn hnh, tin hnh cp in cho mt s ph ti trm E18.3 v E18.5 t 374E18.1 qua 372CX, dao DLL (CX-KA). Theo tnh ton ti trm E18.1(T2): Pmax 33,3MW, Pmin 8,0MW. Ti trm E18.3: Pmax 11,8MW, Pmin 4,7MW v ti trm E18.5: Pmax 3,6MW, Pmin 3,1MW. Do nu s c xy ra khi ph ti max ch cp c mt s ph ti quan trng.13

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 3. PHNG THC KT DY KHI S C: 3.2. Khi s c ng dy trung th: * Tnh hung 1: S c xy ra trn Z 372E18.1, cung on t 372E18.1 n 371TN. Khi phng thc cp in cho huyn Hng Kh nh sau : + Ct MC 371TN, 371-7TN v 371-1TN. + ng DLL (VQ-HK) cp in cho huyn Hng Kh t T1E18.2. Theo tnh ton Pmax huyn Hng Kh 8MW, Pmin 1,5MW v T1E18.2: Pmax 13,7MW, Pmin 4,5MW. Do nu s c xy ra lc ph ti max th ch cp c mt s ph ti quan trng.14

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 3. PHNG THC KT DY KHI S C: 3.2. Khi s c ng dy trung th: * Tnh hung 2: S c xy ra trn Z 374E18.1, cung on t 374E18.1 n 371-7CX. Khi phng thc cp in cho Huyn Cm Xuyn nh sau : + Ct DCL 371-7CX. + ng DLL (CX-KA) cp in cho huyn Cm Xuyn t trm E18.3. Theo tnh ton Pmax huyn cm xuyn 12,6MW, Pmin 2MW v ti trm E18.3: Pmax 11,8MW, Pmin 4,7MW.

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TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 3. PHNG THC KT DY KHI S C:

3.2. Khi s c ng dy trung th:* Tnh hung 3: S c xy ra trn Z 373E18.3, cung on t 373E18.3 n 371-7KA. Khi phng thc cp in cho trung gian K Anh nh sau : + Ct DCL 371-7KA. + ng DLL s 1 gia Z 377E18.3 v 372KA cp in cho trung gian K Anh t Z 377E18.3.

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TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 4. NHNG C IM CHNH V LI IN H TNH:

4.1. Thun li:- Trm E18.1 (H Tnh) v E18.4 (Can Lc) c cp in t 02 ngun 110kV nn m bo linh hot trong vn hnh v nng cao tin cy cung cp in. - Gia cc trm 110kV c cc ng dy 35kV lin thng, do thun li trong vic h tr cung cp in.

- Gia cc ng dy cp in cho trung tm thnh ph H Tnh c cc cu dao lin lc nn khi c s c hoc cng tc theo k hoch trn mt my bin p th c th cp in t my cn li.17

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 4. NHNG C IM CHNH V LI IN H TNH : 4.2. Kh khn:

- Ti trm E18.2 (Linh Cm) cp in cho huyn c Th, huyn V Quang, huyn Hng Sn v ca khu Quc t Cu Treo, trm E18.3 (K Anh) v trm E18.5 (Vng ng) cp in cho huyn K Anh v Khu cng nghip Vng ng, khu cng nghip trng im ca tnh. Hin ti cc trm ny c cp in t 01 ngun 110kV nn khi xy ra s c hoc cng tc theo k hoch trn ng dy 110kV th rt kh khn trong vic cung cp in cho ph ti. - MBA T2 trm E18.2 trong t Tt nguyn n va ri qu ti 1,1%. Nu ph ti tng trng khong 10% th Tt ti y s qu ti 12%.18

TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 4. NHNG C IM CHNH V LI IN H TNH : 4.2. Kh khn: - Cc ng dy cp in cho Trung tm thnh ph H Tnh u nhn in t duy nht trm E18.1. Nu mt in ton trm E18.1 th ton thnh ph H Tnh mt in. - Cc ng dy lin thng gia cc trm 110kV di, cng sut truyn ti ln nn khi cp in h tr qua cc ng dy lin thng th cht lng in p khng m bo v mt s ph ti phi mt in.

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TNG CNG TY IN LC MIN BC CNG TY IN LC H TNH 5. NHNG KIN NGH: T nhng kh khn nu trn, Cng ty in lc H Tnh xin c mt s kin ngh nh sau: - C phng n chng qu ti cho MBA T2 trm E18.2. - Tin hnh kho st xy dng thm cc trm 110kV rt ngn khong cch cc ng dy lin thng v m bo cp in lin tc cho Trung tm thnh ph H Tnh khu cng nghip Vng ng v khu kinh t ca khu Cu treo. - Nng cao tit din dy dn cho cc ng dy lin thng m bo truyn ti cng sut v ci thin cht lng in p khi cp h tr.20

S NI IN CHNH CNG TY IN LC H TNH

8,7km AC95

13km AC70

12km AC95

15,1km AC95 16,4km AC95

9km AC95

16,4km AC95

3,4km AC95 5,5km AC50

13,7km AC95

2,7km AC120

12,25km AC95

7,2km AC95

9,25km AC70

9,7km AC95

10,9km AC50

11,6km AC50

16km AC95

248

6,0km AC70

195

23,2km AC95 5,6km AC95 21km AC95

3,6km AC50

1,0km AC95

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Bao Cao PT Ket Day (HIEUND v1)