what is timing for mccb 800A tripping?

1 Answers   L&T,

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How to find out damper winding failure for synchronous machine?

0 Answers  

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On what basis the the size of Lightning arrester for buildings are selected ?

0 Answers   KGD,

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WHAT IS THE THUMB RULE FOR DECIDING THE CURRENT RATING OF COPPER WIRES SAY 2.5/4/6/10 MM SQUARE SIZES??

14 Answers   Dubai Group, Saudi Delta Groups, Savitha Electricals,

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what is the problem with single phase AC motors and how is it overcome?

2 Answers  

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Usage of flywheel diode in relays

0 Answers   Jindal, Voith,

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Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 Answers  

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1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

0 Answers  

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What is nyquist contour?

0 Answers  

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how to calculate the size of the HT cable

0 Answers  

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An AC coil to give DC supply whats happen in the coil.what type of problem are create.

2 Answers  

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what is the difference between the 94 lockout relay and 86 lock out relay. I have noticed that the 94 lockout relay is activated when the distance realy is activated and 86 is activated when the 87T differential is activated. but why can't the same lockouts be used for both the protection schemes

10 Answers   ABB,

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