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.

What is the differentional relay...what is the work of this in power Tx. how it is works..

0 Answers   ABB,

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what does mean for "mah" for mobile batteries like 1500mah,1300mah??

2 Answers  

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CAN CU XLPE/PVC CABLE BE USED INPLACE OF LOW NOISE SCREENED CABLE? KINDLY GIVE REASONS

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can i connect wavetrap in 2 different phase in EHV line?

0 Answers  

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How the starter control the starting current in three phase AC Motor?(In DC apply the reistance).

6 Answers  

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hi if anybody got model questions for cpcl Grade'A' electrical engineer position.send it to my mail please krishkumar22@gmail.com

0 Answers  

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Tell me about Simence PLC 'BLOCK'.How many types and what for.

1 Answers   Gurit,

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are induction motor have poles? yes / no , why?

3 Answers  

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requirements for making parallel operation of Uninterrupted power supply

2 Answers   Emerson,

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when conductor rotates in varying magnetic field the emf will induced in it and it is sinusoidal in nature ...? Why it is not in square wave and rectangular wave in nature?

4 Answers  

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When the load on the system is zero and Capacitor bank is on condition, is capacitor bank takes any load?

2 Answers  

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What will be the resultant out put voltage when two different voltage rating batteries are vconnected in parallel? pls. answer with example if available.

1 Answers  

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