what happens when we apply dc to a transformer

7 Answers   Siemens,

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Why do we use center tap transformer that used with portable tools

0 Answers  

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Write down the name of 2 lady Bir Pratin of Bangladesh

0 Answers  

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how to determine Sq.mm size of finolex power cables.

0 Answers   Finolex,

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If we increases the %impedance of Transformer then price of Transformer will increases or decreases.

1 Answers   Siemens,

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In simply words(not explain any formula )what do you mean by power factor.?

5 Answers   DRDO,

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what are the various types of towers used in transmission line

12 Answers   Power Grid, UltraTech,

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Why we use Electrical energy rather than any other type of energy, mostly? Explain behavior of open secondary CT and short circuited secondary PT in energized condition?

0 Answers  

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what is the maintaining Cf in UPS.

0 Answers   Enercon,

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If NO contact of relay gets supply from other sources or other part of circuit and at a time relay coil activates,then current will flow in which direction & will it cause to damage relay??

1 Answers  

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What is the Frequency while we step up the voltage from 220V to 11KV? Is it possible? Explain it?

2 Answers  

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How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

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