what is reason in mv breaker the control supply voltage is dc not ac?

1 Answers  

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what is the natural resistance of the earth? and how it effected by rain r snow? wat is the natural resistance of wet soil? define natural resistance?

1 Answers   ECL, ISRO,

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what is the diff. between power transformer & distribution transformer.....

5 Answers  

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I need a formula to calculate the size of cable as per load but in the terms of length. Please Reply me as i search lot of sites but i did not get the answer.

0 Answers  

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what is mean by amf

4 Answers   Siemens,

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In a tap changing transformer where is the tap connected, is it connected in the primary side or secondary side?

0 Answers  

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What is measurement?

0 Answers  

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wat will be the pressure maintained inside the transformer?

2 Answers  

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How do you compute voltage drop and cable size over distance?

0 Answers  

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why heat produced at junction of two different conductor. what care should be taken to minimize it.

11 Answers   Birla, Maihar Cement,

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i am working in automation feild my question is that how to find the KVA of transformer.

3 Answers  

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how system fault level is calculated?

1 Answers   HCL,

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