Detailed assessment by diagnostics and engineering analysis for incipient fault prediction of 100 MVA Transformers at 220kV Substation Piran Kaliyar and 40 MVA Trnsformer at 132kV Substation Bhagwanpur

Amount

The following tests are to be carried out for diagnostics & engineering analysis for incipient fault prediction of 100 MVA Transformers at 220 kV S/s Piran Kaliyar & 40MVA Transformer at 132kV S/s Bhagwanpur:

i) Capacitance & Tan Delta of Bushings & Windings. ii) Turns ratio Test iii) Vector group test. iv) Short circuit impedence test. v) Magnetizising current on each Tap. vi) Magnetic balance test. vii) Winding resistance at all taps. viii) Insulation Resistance measurement. ix) Sweep Frequency Response Analaysis (SFRA) x) Frequency Response on Stray Load (FRSL) xi) Leakage reacactance & Impedende Measurement. xii) Online partial discharge measurement test. xiii) Thermographic Measurement xiv) Noise measuremnet xv) vibration measurement test.

Work of opening and re-jumpering of both HV & LV side jumpers (18 Nos.) including opening & reconnection of earthing of both HV & LV sides.

KARAN SUPER ELECTRICAL WORKS