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|What is meant by RCCB
|If the capacitor bank is installed in switchyard say
132/22kv then on LT side say 22kv/0.433kv is it necessary to
install capacitor bank for maintaining power factor. if pf
is maintained on HT side then will that be maintained on LT
side as well.if not then how&why??????/ please
|Why dose an electric meter record KVA when there is no load
on a 500 KVA transformer
|can we step up dc power using transformer?
|In AC Drives How can change & control its output Frequency?
|What is Mvar?how significant is in electrical energy
|what is meant by frequency ?
|which relay is better , instantaneous or IDMT relay .
|WHAT IS THE DIFFERENCE BETWEEN LUBRICATING OIL AND INSULATING
|For polarity test on a 11/3.3kV 2.5MVA delta-star Unit
Auxiliary transformer,415V 3-phase supply was applied at
the HV. Connection between Aa was made with a 2.5mm cable.
As soon as power was switched on the cable caught fire and
burnt. This test was then abandoned. It is noteworthy to
say that a similar cable was also used in a similar
transformer for the same. The cable did not burn and test
was successfully completed with good result. What is wrong?
Please, help me out.
|the resstance of a thermistor is 5000 ohm at 25degreeC
and coefficient is .04/degCel. A measurement with lead
resitance of 10 ohm will cause an error of
|Difference between ELCB and RCCB?
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