Andhra Pradesh Solar Power Corporation Private Limited Tender

Spares;220 kV Current Transformer (Rating-400-800/1) for Lines Standard : IS 2705 : 1992, Freq: 50HZ, HSV : 245 KV,Rated system Voltage : 220 KV ,Rated STC: 40 KA rms/ 1 sec,Idy:100 KAP , Type Designation: DT 245 , Insulation Level : 460 KV rms /1050 KVP, Qty of OIL : 330 Ltrs +/- 15 % (Approx) , Weigh Of CT : 900 Kg +/- 15% (Approx) Rated Thermal Current : 960 A Ratio : 800-400/1A , 5 Core, Burden: 20 VA ,Accuracy class: PS Class, PS Class, CORE-5 0.2 Class, I.S.F/ A.L.F <5 /-Knee Point V for CORE-1 & 2 > = 100 (Rct + 20 ) at 800/1A , > 1200 at 400 / 1A , CORE-3 &4 > = 80 i (Rct + 3 ) at 800/1A , > 300 at 400 / 1A Resistance at 75 Deg ( Ohm ) : < = 5 at 800 /1A , Mag current at Vk (mA) : < = 30 at 800/ 1A , < = 60 at 400/ 1A ) S.No-51506

Spares;220 kV Current Transformer (Rating-800-1600-2000/1 for Bus coupler,Standard : IS 2705 : 1992, Freq: 50HZ, Rated STC: 40 KA rms/ 1 sec,Idy:100 KAP , Type Designation: DT 245 , Insulation Level : 460 KV rms /1050 KVP, Rated Thermal Current : 2400 A, Qty of OIL : 330 Ltrs +/- 15 % (Approx) , Weigh Of CT : 900 Kg +/- 15% (Approx) Ratio : 2000 -1600-800 /1A , 5 Core, Burden: 20 VA ,Accuracy class: Core-1,2,4 & 5,Core-3 : 0.2 Class, I.S.F/ A.L.F <5 /-Knee Point V > = 2000/1600/800 , Resistance at 75 Deg ( Ohm ) : < = 10 / 8/ 4 , Mag current at Vk (mA) : < = 30/37.5/75 at Vk ,S.NO :- 515107 )

Spares;220 kV Current Transformer (Rating-300-500/1) for Transformer Standard : IS :16227 Part 1 & 2 / Iec / 161869 : 1&2 Freq: 50HZ, Rated STC: 31.5 KA rms/ 1 sec,Idy : 78.75 KAP , Type Designation: DT 245 , Insulation Level : 460 KV rms /1050 KVP, Qty of OIL : 330 Ltrs +/- 15 % (Approx) , Weigh Of CT : 900 Kg +/- 15% (Approx) Rated Thermal Current : 960 A Ratio : 800-600-400-300 /1A , 5 Core, Core 1&2 Distance Differential PS Class, Core 3 : Metering -- 0.2 Class , Core 4&5 BusBar Differential PS Class Burden: 10 VA ,Accuracy class: CORE-1 & 2 PS Class,CORE-3 & 4 PS Class, CORE-5 0.2 Class, I.S.F/ A.L.F <5 /-Knee Point V > = 1600 at 800/1A , > 600 at 300 / 1A For Core 1&2, Core : 4&5 > = 1600, Resistance at 75 Deg ( Ohm ) : < = 5 at 800 /1A , < = 1.5 at 300/1A, Core : 4&5 < = 5 Mag current at Vk (mA) : < = 30 at Vk/4 for core : 1,2,4 & 5 Creepage Distance : 6125 mm (Min), Insulation : class A (Year of Manufaturing 2019) S.NO :- 516493 R )