why we are using KVA rating for transformer,not KWh rating?

5 Answers   NTS,

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why name plate detail HP/KW rating of a motor is different from measured value HP/KW using formula?

1 Answers   MAHINDRA,

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if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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why do we need a 4th wire in 3phase 3wire transmission line

6 Answers  

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Can Dy11 and Dy1 vector group transformers be paralleled?

1 Answers  

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What fomula is used to calculate: 1. rated frequency withstand voltage, and 2. rated lightning impulse withstand voltage.

0 Answers   PNG Power,

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What kind of preventive maintenance are there for AC induction motor?

1 Answers   Gulf,

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while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

0 Answers   Voltech,

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where would be tap changer in transformer & why?

2 Answers   Kentz,

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why is the core of the underground cable is spiral in shape instead of straight?

8 Answers   Mecon,

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what happens when a DC supply is given to AC motor?

9 Answers   Areva, ISMT,

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presently I am working in private sector.In powergrid interview recruiter asked me why you join this organization.

0 Answers   Power Grid,

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