In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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What are the various kind of cables used for transmission?

0 Answers  

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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What is the capacity of the Fastners 12mm?

0 Answers   Sobha Developers,

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what will happen if there is a voltage leakage or current leakage in an electrical train

0 Answers  

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Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

4 Answers   HAL,

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why threre are two parallel lines in transformer's symbol?

11 Answers   NTPC,

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what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

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What is the maximum advisable distance where it is required to interconnect a 500 KVA 480 V 3 ph transformer and the main panel or MCC ignoring the voltage droop affectation, does it is exist any standard about it?

2 Answers  

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Define conversion efficiency of a power amplifier.

0 Answers  

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what is the difference between dropout fuse and horn gap fuse. how to choose between them

1 Answers  

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How check electrical motor winding.

4 Answers   DRJ ARDE,

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