Answer / debananda lal

nothing will happened while VCB is closed, when any open/trip signals arise, Intrupter of VCB may explode.

what are clipper and clamper circuits?

2 Answers  

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What is the relation of current with torque when motor started in Y-connection???

4 Answers  

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

0 Answers   Aditya Birla,

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A wattmeter is marked 15 A/30A, 300V/600V and its scale is marked up to 4500 watt. When the meter is connected for 30A, 1600V, the pointer indicates 2000 watts. The actual power in the circuit in

1 Answers   Jindal,

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where induction generator is used ?

1 Answers  

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Why do we perform an open-circuit test and short-circuit test on the transformer?

0 Answers  

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now a shunt motor is practically a constant speed motor , then how does it meet the increase or decrease in the load ?

1 Answers  

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Can we use delta-star neutral grounded 3 phase power transformer bi-directionally.

2 Answers   GMR,

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why we +ve load distribution in 24v and -ve load distribution in 48volt in the telecom sector.?

2 Answers  

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if 20 hp motor starts directly stars and contenious run . what will be the effect.

11 Answers   HP, Ohsung Electronics,

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is dc shunt moter oprate on ac? if no why? if yes how?

8 Answers   IOCL, JJJ, Power Grid,

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How many points can we have in AC Circuit? Show by giving suitable example?

3 Answers  

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