Answer Posted / dibyaranjan pati
NGRs are employed in AC Distribution Networks.It limits the
Restricted Earth Current to a safe value which flows from
the Transformer or Generator star point when an earth fault
occurs in the system without exceeding specified temperature
limits.
Theses are connected between the neutral point of
transformer or generator & the earth.
| Is This Answer Correct ? | 15 Yes | 0 No |
Post New Answer View All Answers
What is the formulae of Megger value for a A.C.Motor
What is the use of lag compensator?
what are the ''pitting rings''and how cn they be controlled in a series generator
1.how many types of relays? 2.difference between ATS& STS?
How do you calculate the actual power consumption of an inductive load appliance. Say, a deep freezer of 200watts
can you any one give exact mathematical relation between AC current and DC current?
How the PF control while running DG set with load
can i connect the two phases of scott connected transformer,if not why?
how many joint can done in HT line and what is life of the joint
what is the difference between unarmoured & Flexible cable? How to identified?
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
If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?
why do we carry out winding resistance test?
which is better to use svc or synchronous condenser why ?
Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?
