why we are testing cables with DC supply not with AC supply?
- 9 Answers
- 28148 Views
- Aurobindo, DEWA, L&T, I also Faced
- E-Mail Answers
Answer Posted / mega
Cable Hi-pot test is done with D.C voltage because, if we
do the test in A.C voltage the capacitance effect of the
cable will be charged and will not get the exact value.
That's we are using D.C test instead of A.C
| Is This Answer Correct ? | 18 Yes | 6 No |
Post New Answer View All Answers
how balanced in star delta connection ?
From what on-site components does the HT panel monitoring the bus-bars in a 11kV system take inputs?
How do I calculate a WTI CT ofa 1250kVA 6600/400V transformer
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
Why neutral is not used in three phases dol starter
What we mean by vintage of an engine+Generator?
How to calculate the value of earth capacitance in a transmission line.
how does grading rings & spacers in transmission line works? Working Principle?
What is cross over distortion? How it can be eliminated?
I Just want do EHS Certified Certification Distance Course From Govt approved,so can any body provide me details.
if we look on phasor of the transformer vaoltage is 180 oppsite at primary and the secondary so to improve a power factor is secondary should kept negative to improve it primary side means is -.90 became +.90 at other side
What is difference between insulating medium and fault current interruption medium in a switching device.
What is resonant peak?
Readings of ER300P Trivector meter
Why you are switching off arc protection mcb when you are taking shutdown for lv board.
