To measure insulation resistance of 11KV cable between core
& armour, what should be the test voltage & duration?
Answer Posted / v.senthilkumar
To measure insulation resistance of 11KV cable between core
& armour, we can use 5kv megger for 60 Sec.
| Is This Answer Correct ? | 22 Yes | 2 No |
Post New Answer View All Answers
WHAT IS MEANT BY DERATING OF THYRISTOR?
Why do we use center tap transformer that used with portable tools
What is Anemometer used to measure?
what is the relation between size of the anteena and wavelenghth of radiated wave
what is the difference between b c d curves on mcb
why high speed tripping relay will be used in tripping circuit why not normal relay
What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning
what happens in the short circuited secondary transformer,if the resistance of the short circuit is increased gradually?
List the time domain specifications.
defination of controlled shunt reactor
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
Why derivative controller is not used in control systems?
Define the term Capacitance and Inductance?
While testing LA mast,What are the parameter limits ?
Why PS class CT is always preferred for Differential protection?