Answer Posted / sindhejs

1.Bucholz relay
2.Current measurement
3.Voltage measurement

Why field rheostat is kept in minimum position?

1231

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What should be the values of settling time, peak time, steady state error, overshoot, rise time, MPOS (Maximum percent over shoot) to keep the system in transient state, to keep the system in steady state ?

2244

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what is the difference between megger and earth resister ??

1807

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please send me previose rrb junior engineer qustion papers

2132

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I am having a 42KW 3 phase electrical heating furnace, heating element is 80/20 nichrome material, my connections is made in such a way that 2 star connection compromising 2 coils per phase so totally 12 coils, shall if i use it unbalanced star condition (instead of 2 group of 3 phase or 1 group of 3 phase, connecting 4 phases of 5 phases) what will be the consequences and is it acceptable?

1673

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What are the uses of stepper motor?

1239

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

1959

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How to test IR testing & magnetic balance test

1989

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what is the calculation formula for motor starting torque,running torque, running torque.

1681

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difference between ac series and parallel circuit

2035

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what is excitation/

2195

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i want some interview related questions with their answers which can help for attend the interviews...

1639

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How to convert a two phase power into a three phase power in induction machine?

1802

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howmany electrician should maintain for a 1000 kva used plant... in kerala..

2098

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Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1829

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