Answer / jyotirmaya

Thanx a lot for your reply.
Kindly post the minimum accepted IR value.

Answer / rajavelu

ir value test
33kv,66kv,220kv

Answer / yash

yes.megger test is prformed and IR value is almost 1G Ohm

Answer / amji r jadhav

the megger test ir is infnt 0 your ans but 33kv line charge in the stand by minimum 10mgo this is the megger value

Answer / krupa

Megger Test is applied on surge Arrestors and its accepted
IR Value is infinity

diff b/w normal grounding and resistance grounding

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3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

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