Recently I happened to go into the details of the specification of a Gas Circuit Breaker. I found that the breaking capacity of a breaker for line charging (Capacitive)is lower than that for the capacitive breaking current of a cable. The capacitive breaking current of a breaker for Capacitor...
I have a 200/1 CT ratio tested with primary injection kit. I have given 100 amp on the primary and got 0.52 amp on the secondary. I have further given 200 amp in the primary and got 1.02 amp in the secondary. Can these values be used to determine the accuracy class of the CT?
I have been...
Can somebody give list of companies who can overhaul the oil immersed transformer by removing the sludges and cleaning the oil ON LINE? Earlier I had read an article which indicates that the sludges are removed and the oxidation property of oil is appreciably improved by passing oil through...
which value will represent the Plant capacity of a Hydropower Plant:
a) Rated output capacity at rated power factor at rated frequency at rated voltage at rated temperature rise?
b) Maximum output capacity at any power factor at rated frequency at rated voltage at maximum temperature?
c) Maximum...
Sir,
May I put in the forum the following questions?
a) Does IEEE or other standards define as to which substation come under the category of Distribution Substation?
b) I think IEEE standard in one of the pages specified the highest acceptable grounding resistance to be 5 Ohm for Distribution...
