why we r used DC megger insted of AC megger?
To test insulation , you build voltage across it continuously over a period ,which is possible with DC only
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From, which load current range ( upper - lower limit current)can Air circuit breaker used for in electrical circuit.
IN SOME CASE, WHEN I GIVE 24VOLTS DC AS INPUT, WHILE IN OUTPUT (THAT MEANS TERMINAL SIDE OF THE INSRUMENTS) I,M RECEIVING ONLY 6 VOLTS, WHAT IS THE REASON FOR THAT MUCH VOLTAGE DROP?
Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards
Why star point of star connected motor is not grounded? Why alternator is operated at lagging power factor?
what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?
why ct ,cvt should be stored in a vertical position?
Why magnetic flux produces an induced current?? what is the detailed procedure ?? ans plz
Why neutral point is consider as zero potential?
how much current does 3ph a.c & d.c motor drawn.Plz. provide formula with example.
How to calculate Earth busbar size & what is the procedure we make for determine that?
IN A HT CABLES i.e. 1.9/3/3 kv, what is the meaning of 1.9 and 3.3.
There is 3phase power cable from 1 point to the other point which is 100m away. Two point equipped with power meter and recorded 1st point is 205kW while the 2nd is 202kW and each phase average carry 400amps. To calculate the resistance of the 3phase power cable, is the formula using will be P=I2R?
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