my question is Megger of cable insulation or swgr board meggerring some values

my question is Megger of cable insulation or swgr board
meggerring some values in one day 50mohms,some other day
checking different values(20Mohms).
this tell that some person tell that that values ok.
how to identify the megger value is correct.
pls tell me the answer.

Question Posted / senthil

2 Answers
5520 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,..

Answer / akhil.goyalanager1985

the megger value show the dielectric strength of the
insulation .through megger we conclude that the
deterioration of the insulation. & the value of megger
shoulb be greater than

2*kv+1=Mohm
As per therotical point of view .

Is This Answer Correct ?

2 Yes

1 No

my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,..

Answer / mukesh thakur

if you are asked to charge a m/c urgently, you can go for dummy charging using 3-phase load through a, say 16A MCB, and if the MCB does't trips then there is no problem you can go for permanent charging.

Is This Answer Correct ?

0 Yes

2 No

Post New Answer

More Electrical Engineering Interview Questions

In MEP Services what are parts of STP and what are there function?

0 Answers Tenon,

how to calculate the cable size for LT and HT power cables with detail explanation?

2 Answers Asset Developments, Bhel,

what is the full form of XLPE adn there use.

4 Answers Voltas,

Explain about 3 phase motor fault current calculation with examples?

0 Answers QTC,

I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

0 Answers

IN A DY11 GROUP DISTRIBUTION TRANSFORMER WITH NEUTRAL EARTHED, WHAT WILL HAPPEN TO THE SYSTEM VOLTAGE & THE EQUIPMENTS IF EARTH GETS OPEN ON LOAD?

2 Answers

What is making & breaking current ???

0 Answers JLL,

Which type of drive is advantageous AC or DC and why?

5 Answers

What is the classification of hydro projects based on installed capacity?

0 Answers

When Neutral exceeds or equals the phase current in both single phase * three phase system?

1 Answers

hw the cable size can be calculated when we have watss, volts, pf, i need the forula

2 Answers

a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

1 Answers century,

For more Electrical Engineering Interview Questions Click Here