Tender for TGGENCO - NSHES - Design, Manufacture, Testing at Manufacturers Works, Inspection, Packing, Supply of 2 No.s 220KV Potential transformers at AMRPLIS, NSHES, Nagarjunasagar.

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TGGENCO - NSHES - Design, Manufacture, Testing At Manufacturers Works, Inspection, Packing, Supply Of 2 No.S 220KV Potential Transformers At AMRPLIS, NSHES, Nagarjunasagar. , POTENTIAL TRANSFORMER Nominal System Voltage: 220 Kv Highest System Voltage: 245 Kv (Rms) Rated Frequency: 50 Hz Rated Voltage Factor: 1.2 Continuous And 1.5 For 30 Seconds, Lightning Impulse Withstand Voltage (BIL): 1050 Kv (Peak), Power Frequency Withstand Voltage (1 Minute, Dry/Wet): 460 Kv (Rms) Secondary Winding Power Frequency Withstand: 3 Kv (Rms) For 1 Minute Rated Primary Voltage:220Kv\Sqrt(3), Rated Secondary Voltages: 110V/Sqrt(3)- 110V - 110V/Sqrt(3) Core Distribution: Core 1 (Metering): Accuracy Class 0.2 / Burden 300 VA Core 2 (Protection): Accuracy Class 3P / Burden 100 VA Core 3 (Protection): Accuracy Class 3P / Burden 100 VA Type And Installation: Outdoor, Single-Phase, Pedestal-Mounted. Insulation Medium: Insulating Oil/Sf6 Housing Insulator: Hollow Porcelain/Composite Polymer Minimum Creepage Distance Of 5390 Mm (Guaranteed Technical Particulars As Per Section-IV Of The Bid Document)