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 type of earth fault protection used in battery? explain.

0 Answers   PSEB,

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Can double compression glands be used with regular cables?

0 Answers  

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how many types of ACB breakers, describe briefly..?

0 Answers  

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What is turbocharger in a generator?

2 Answers  

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In legging current reactive power is arise but in leading current which power will be arise ? and in this case, is active power more than rated ?

3 Answers  

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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How do you select a cable size(Cu & Al) for a particular load?

2 Answers  

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Why the frequency of ac in india is 50 hz but in some other countries it is 60 hz.

0 Answers   BARC, Fedco, Qasco,

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what is the harmonics.

3 Answers   DLF,

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what is the formula for hv test for cable and circuit breaker..????

0 Answers  

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what happen if the load connected to the induction motor is taken away? the same question for synchoronous generator in synch i think that the the exitation voltage will appear on the terminal only if so plz answer me

0 Answers   Escorts,

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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 Answers   ABC,

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