which type of capacitor store high amount of energy for long time ? ( polarized or unpolarized )

1 Answers  

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What are test signals and their significance?

0 Answers  

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What is dielectric loss?

0 Answers  

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How to calculate the input cable rating for 10kva ups (3phase input and single phase output and also 3phase output, battery rating 65Ah)provide the formula also.thnx

0 Answers   Bhel,

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What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

1 Answers  

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Getting nusense tripping in a 11KV soft starter, have checked all it control supply & contactors but did not get any fault please help.

3 Answers  

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how is the magnetic current test is different in delta-star and delta delta transformer.

0 Answers   Bhel,

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Is it possible Z axis excess error alarm reflect in X axis if yes explain ?

0 Answers  

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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what is pf. how to calculate capacitor bank value to maintain unity pf.

18 Answers   JH, Saint Gobain, Supreme Treves,

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is earthing is necessary if we use armoured cable

1 Answers   ABB, Schwing Stetter, Siemens,

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what is the first step of dg shycroning ?

2 Answers   ABB,

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