how to calculate efficiency of voltage and current controlled welding transformer?
what is the definition of a power transformer ?
A 11 KV motor is working. if the supplay is fail. what will happened with it's breaker? Trip / remain the same condition?
Witch do depand of Power factor and theory of power factor?
in our 6.6kv motor feeder[it is having two sources from Bus A&B] earth fault relay is acting, we checked CBCT connection and cable meggerd values found very good still earth fault acting during first two are three start after that it will hold. please clarify what was the reason. if same motor is starting from other Bus-A it will start.
In my home i am getting too much electricity bill (more than 4000) but I am very much sure that we are not consuming that much. How i can check this ?
give me the details of anti pumping relay
How many types of circuit loads are there in a common electrical circuit?
List any four conventional sources of energy.
eddy current losses depends on?(a-max magnetic feild,b-avg magnetic feild,c-on frequency,d-on square of frequency)?
how current flows in circuit?
what is first pole to clear factor
nwhat are the main Components of servo motor?
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