why impedance test in power cables?

1 Answers   CSE,

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HOW DOES THE FAN REGULATOR CONTROLS ITS SPEED

6 Answers  

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what is efficient motors and how it is different from normal induction motors

0 Answers   Sarthak Contracts,

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why control circuit voltage always chooses to be 110v and 220v? and in where it is 110v and 220v? and in where it AC and DC?

2 Answers  

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What is meant by transformer, why it should be used, with out that equipment what happens if we transformed the supply?

12 Answers   Bhel,

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why a bulb glow when connected with two end phase and neutral respectively.

1 Answers   ACME,

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In CDG type IDMTL realy O/L , E/F, O/C which are used for out going feedrs,on R-phase o/c element, Y-phase , e/f elecment and on b -phase o/c element will be connected . Why the earth fault on center phase only, why not on other two phases?

2 Answers  

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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what is ic 01,ic 06 ?is it types of cooling?

0 Answers   Bhel,

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why generator and t/f ratings given in kva?

2 Answers  

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state the disadvantages of carbon filament???

0 Answers  

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what is the minimum distance between substation wall and LT panel outer surface?

3 Answers   L&T,

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