testing of electrical equipments at kantapahari sub station as per dgms norms at akwmc under katras area testing of eletrical equipments at kantapahari sub station as per dgms norms at akwmc under katras area- 1 item description / heading 2 high voltage testing of 6.6 kv / 3.3 kv breaker 3 high voltage testing of 6.6 kv / 3.3 kv transformer 4 transformertest ( ir, pi, dar, polarity, bdv & acidity of oil ) 5 transformer test ( winding resistance, ratio, vector group, magnetising current, magnetic balance ) 6 high voltage teting of cable 7 protection relay test by secondary current injection 8 protection relay test by primary current injection 9 auxiliary relay test ( over / under / master trip etc. ) 10 testing of earth pit 11 contact resistancetest of breaker 12 tripping & closing time test of breaker 13 total impact of gst for the purpose of ctc