why voltage form factor of PT are increase , when it is ecpected heigher spikes in system. how it is calculated.

0 Answers   HAL,

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why induction motor having low power factor at starting time and high at full load.

6 Answers   BARC, HPB,

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reason behind why the reverse power relay of incoming machine was not acted even when no load was shifted on incoming machine after synchronising the machines ?

2 Answers  

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Which of the following can be operated at higher frequencies ? -SCR -MOSFET -IGBT

4 Answers  

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What are the disadvantages of hydropower?

0 Answers  

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what is excitation system explain in detail with its working?

1 Answers   Toshiba,

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What happen in ups if phase reverse?

0 Answers  

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What is the working of Field winding in dc motor, in which part is it work or why ?

3 Answers  

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why neutral is required in electrical system

3 Answers   Bhel,

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Can a transformer designed for a particular voltage and frequency rating be used for different set of mentioned ratings? Assume that the winding does not get burnt because of overheating at higher voltage. If yes, then under which constraint it is possible?

1 Answers  

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Grid fault level [KA]?

0 Answers  

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What are the Safety Steps While Inspection the LT Panel.  

1 Answers  

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