Transcript 132 kV
UPDATE ON ASSETS IN CESC’S T&D NETWORK CESC’S T&D NETWORK 567 Sq. Km. Area 15 nos. 132 kV S/S 88 nos. 33 kV D/S T&D LINE (CKT. KM) 132 kV - 267 33 kV - 1194 6/11 kV - 4125 ASSETS IN CESC’S T&D NETWORK •CABLES & O/H LINES •TRANSFORMERS •SWITCHGEAR YARD EQUIPMENT CT PT LA ISOLATOR CAP. BANK BATTERY CABLES & O/H LINES CABLES & O/H LINES CIRCUIT KM : KV CABLES TOTAL 186 O/H LINES 81 132 33 6 & 11 1102 4038 92 87 1194 4125 267 TYPES & SIZES OF CABLES : KV CABLE INSULATION CONDUCTOR MATERIAL CROSS-SECTION (SQ. MM) 6 & 11 PILC AL 50, 150, 225 & 300 CU 26, 48, 97, 161 & 645 AL 50, 150, 240 & 300 CU 630 AL 300 & 400 CU 161, 194 & 645 AL 240, 300, 400 & 1000 CU 500 & 630 XLPE 33 PILC XLPE 132 PILC GAS FILLED AL 225 CU 150, 161 & 260 XLPE CU 400, 630 & 800 TRANSFORMERS TRANSFORMER POPULATION : POWER TRANSFORMER 132/33 kV Class : 33 nos. 33/11-6 kV Class : 169 nos. 6/11 kV, 6/3.3 kV Class : 10 nos. DISTRIBUTION TRANSFORMER 6/0.42 kV Class : 11/0.42 kV Class : 4721 nos. 998 nos. TRANSFORMER CAPACITY : POWER TRANSFORMER 132/33 kV Class : 33/11-6 kV Class : 50, 55, 75 MVA 7, 10, 15, 16, 20 MVA 6/11, 6/3.3 kV Class : 3, 5, 10, 12.5 MVA DISTRIBUTION TRANSFORMER 6/0.42 kV Class : 11/0.42 kV Class : 100, 200, 315, 400, 600 kVA 315 kVA and 400 kVA TRANSFORMER AGGREGATE CAPACITY : POWER TRANSFORMER • 132 kV - 1932 MVA • 33 kV - 2470.5 MVA • 6/11 kV - 59.5 MVA DISTRIBUTION TRANSFORMER 1936.5 MVA TRANSFORMER %Z, BIL AND VECTOR GROUP : POWER TRANSFORMER 132/33 kV Class : 15%, 650 kVp, YNd1 33/11-6 kV Class : 8-11%, 170 kVp, Dyn11 6/11, 6/3.3 kV Class : 10%, 75 kVp, YNyn0d1 DISTRIBUTION TRANSFORMER 6/0.42 kV Class : 4-5%, 11/0.42 kV Class : 4-5%, 75 kVp, 75 kVp, Dyn11 Dyn11 TRANSFORMER TAP CHANGER : POWER TRANSFORMER REACTOR TYPE VARIETY 132/33 kV 33/11-6 kV 45 1 RESISTOR TYPE VARIETY 33 8 121 8 6/11, 6/3.3 kV TAPLINK 3 10 DISTRIBUTION TRANSFORMER ALL TAP-LINK TRANSFORMER NEUTRAL EARTHING : POWER TRANSFORMER 132/33 kV Class : 33/11-6 kV Class : 6/11, 6/3.3 kV Class : HV N – SOLIDLY EARTH LV SIDE – EARTHED THRU ET LV N – SOLIDLY EARTHED FOR 11KV LV N – EARTHED THRU NER FOR 6KV HV/LV N – SOLIDLY EARTHED ON THE SECONDARY SIDE. DISTRIBUTION TRANSFORMER 6/0.42 kV Class : 11/0.42 kV Class : LV N SOLIDLY EARTHED LV N SOLIDLY EARTHED POWER TRANSFORMER AGE-GROUP WISE POPULATION (NOS.) : AGE-GROUP 132/33 kV 33/11-6 kV 0 to 5 Yrs. 4 18 5 to 10 Yrs. 2 18 4 10 to 15 Yrs. 9 37 2 15 to 20 Yrs. 2 20 20 to 25 Yrs. 5 12 25 to 30 Yrs. 1 6 30 to 35 Yrs. 2 5 35 to 40 Yrs. 2 4 40 to 50 Yrs. 6 9 50 to 60 Yrs. 31 > 60 Yrs. 9 6-11/0.4 kV 2 2 DISTRIBUTION TRANSFORMERS DISTRIBUTION TRANSFORMERS P/T : O/T : T/H : 2152 NOS. 2506 NOS. 1211 NOS. DISTRIBUTION TRANSFORMERS PROTECTION : HT ISOLATOR HT CABLE BOX HRC FUSE ON HT HRC FUSE ON LT DISTRIBUTION TRANSFORMERS AGE-GROUP WISE POPULATION : TOTAL (nos.) 5719 0-5 YRS. 5-10 YRS. 10-15 YRS. 15-20 YRS. > 20 YRS. (nos.) (nos.) (nos.) (nos.) (nos.) 1514 1199 1275 600 1131 SWITCHGEAR SWITCHGEAR POPULATION : kV Class OUTDOOR CB INDOOR SWGR (nos.) GIS (nos.) 132 80 15 33 115 27 6 & 11 AIS (nos.) COMPOUND / OIL FILLED BUSBAR (nos.) 214 66 1037 323 SWITCHGEAR INTERRUPTER : VAC. MOCB BOCB (nos.) (nos.) (nos.) kV Class 132 TOTAL SF6 (nos.) (nos.) 95 81 33 422 48 215 6 153 6 & 11 1360 458 463 50 389 14 SWITCHGEAR OPERATING MECHANISM : kV TOTAL SPRING HYDRA PNEU SPRING SOLE ULIC MATIC -PNEU NOID (nos.) (nos.) Class (nos.) (nos.) (nos.) MATIC (nos.) 132 95 49 15 9 22 33 422 282 140 6 & 11 1360 1229 131 SWITCHGEAR AGE-GROUP WISE POPULATION : kV TOTAL (nos.) Class 0-5 YRS. 5-10 YRS. 10-15 YRS. 15-20 YRS. > 20 YRS. (nos.) (nos.) (nos.) (nos.) (nos.) 132 95 11 26 40 8 10 33 422 84 54 72 53 159 6 & 11 1360 195 250 267 162 486 CAPACITOR BANK CAPACITOR BANK POPULATION & CAPACITY: NO. OF BANKS COMMON RATING AGGREGATE CAPACITY 132 kV 33 kV 11 kV 6 kV 2 13 6 56 50 MVAR 100 MVAR 15 MVAR 205 MVAR 4 MVAR 23 MVAR 4 MVAR 192 MVAR CAPACITOR BANK PROTECTION: PROTECTION 132 kV 33 kV ENCLOSED NON-ENCL. 2 13 INTERNAL FUSE 2 8 EXTERNAL FUSE 5 11 kV 6 kV 6 27 29 6 40 16 CAPACITOR BANK AGE-GROUP WISE POPULATION: AGE-GROUP 0 - 5 YRS. 5 - 10 YRS. 10 - 15 YRS. 15 - 20 YRS. 20 - 25 YRS. 25 - 30 YRS. 30 - 35 YRS. 35 - 40 YRS. 132 kV 33 kV 2 8 2 1 1 1 11 kV 5 6 kV 14 6 1 12 5 3 5 6 5 BATTERY BATTERY RATING : • FOR 132 kV SUBSTATIONS 200 - 250 Ah; 220 Volts • FOR 33/11-6 kV DISTRIBUTION STNS. 40 Ah; 110 Volts BATTERY AGE-GROUP WISE POPULATION : BATTERY 0 - 5 Yrs. 5 - 10 Yrs. 10 - 15 Yrs. > 15 Yrs. 220 5 9 6 2 110 29 49 11 2