Answer / vijay

check mpcb rating, it may be under rated else take megger test

Answer / kiran

what will be the motor rating and weather it is connected to load or no loaded...?
if there is no load then check for motor,
if it is loaded then check for mpcb and also check for mpcb is good or bad..then replace new mpcb of proper rating..

Answer / kiran

use megger and test for shorted ground and chech resistance of the winding.

in 33kv line how much current will be

3 Answers  

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I want to know what must the CT ratio be on a load of 300A is a 3PH nutral to earh installation?

4 Answers  

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how can i improve the power factor in domestic (230v)

0 Answers   Epcos,

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we all know that corona is nothing but ionization of air around the conductor and there by allowing current to pass through ionized air.but we are not getting any short circuit in between the respective phases though the air turned as a conductive media between them??

1 Answers   Siemens,

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difference between crane drive and line drive.

0 Answers  

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why do we require two lines one phase and a neutral for an ac transmission..is neutral potential zero..?if yes y carry a neutral line from generating station itself...why dont we take it from ground

1 Answers  

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sometime battery charged and then automatically charged when rectifier ON conition, is there any chances please clarify the same.

0 Answers  

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What is the limitation of kirchoffs law?

0 Answers  

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on whcih cycle does gas turbine works?

2 Answers  

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What's the difference between non break power supply and non break non short break power supply

0 Answers  

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how step up transformer step up the voltage and what is the reason behind it?

3 Answers  

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cable selection formulas for electrical load.

1 Answers   Bhel,

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