What is the approximate percentage of Si content in transformer core(CRGO-Cold Rolled Grain Oriented)? Why it is kept so low?

1 Answers  

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how to check IR values in alternator winding?

3 Answers   Birla, Naftogaz,

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hopkinson's test

5 Answers   Bhel, NTPC,

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whay is snubber circuit , why we are using snubber circuit in thyristor

1 Answers   NEPC,

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Why in india freq. is 50HZ & in U.S.A. it is 60HZ?

2 Answers   MacLellan,

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Define liftable weight of a transformer? Does the total weight of transformer include oil weight?

0 Answers  

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what is pf. how to calculate capacitor bank value to maintain unity pf.

18 Answers   JH, Saint Gobain, Supreme Treves,

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hai...... tis is Hemanth. jst now completed electrical engineering... i wanna to apper for ap tranco exam... plzz send me the previous q's paper link......thanx in advance.

0 Answers  

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in a dc shunt motor what happens if motor takes high current,no speed

2 Answers  

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Can someone tell me how to calculate the size of a power cable? What are the factors involved in cable sizing?

5 Answers  

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how choose conductor&depending upon load

0 Answers   Ford, HCL,

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why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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