Hod do u calculate cable size for underground laying and the factors effecting/influencing it??

4 Answers   Kuwait Oil Company,

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what is the speed of electricity?

11 Answers   Bhel,

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WHAT IS THE FUNCTION OF RCCB

2 Answers  

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how earth resistance can be improved in dry soil

0 Answers   BARC,

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What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

0 Answers  

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which has more heat effect(dc or ac)

4 Answers   CCEL, TATA,

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which motor is suitable for traction? why?

15 Answers   BCH, KPCL,

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what is reverse power relay brief explanation and in b/w where it is connected

0 Answers  

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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what is the difference between potential transformer and capacitive voltage transformer?

1 Answers  

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what is advantage in open delta connection?

20 Answers  

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What is the technical name of Transformer Oil ?

17 Answers   Bhel, Don Bosco, Lanco,

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