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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We have a 62.5 KVA DG with Leyland engine and kirloskar slipring alternator. We have earthed the neutral, and another earthing for the dg body. is it necessary to isolate the dg foundation with rubber pads?

1 Answers  

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iam preparing for rrb section engineer post in electrical branch.suggest the right textbook for my reference.fromwhere i will get the previous q.papers?

0 Answers   RRB,

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Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

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WAHAT IS ELECTRICITY

5 Answers   Vijai Electricals,

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i have seen a picture of a power plant. in that pic. i saw chimney like giant structure which were spreading smoke like something...i want to know is it chimney or cooling towers, as my friends use to say.

2 Answers  

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why number of stator and rotor slots are not equal in IM?

1 Answers  

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What will happen if we parallel two transformer with different %impedace?

3 Answers  

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what id a dry type transformers and its function ?

0 Answers   Wipro,

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How to calculate the heat load for a electrical room

0 Answers  

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what is the minimum recommended leakage current of an earthed cable connected to the body or skid of an alternator

0 Answers  

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what is d main difference between KVA and KWA

2 Answers   Charoen Pokphand,

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