what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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What does impedance in the windings of transformer signify.

2 Answers   Johnson Controls,

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what is the diffrence between resistive , inductive and capactive load please explain with exmpels?

2 Answers  

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Explain what are inter-poles and why they are required in a dc machine.

0 Answers  

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What are various accuracy classes of CT(Current Transformer)

1 Answers  

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a starter used for squirrel cage induction motor?

0 Answers  

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Why starters are using the machines???

5 Answers   Alstom,

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What is a circuit breaker contact multiplier relay?

2 Answers  

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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What should be value of Circuit breaker operating time and tripping time?

3 Answers  

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What mean power grid fail. why power grid fail.

1 Answers   Intas, Tech Mahindra,

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What is the normal phase difference between the voltage and the no-load current in a transformer?

0 Answers  

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