While testing the 33KV Busbar by using Hipot kit, what
should be the test
voltage we have to apply?
Answer Posted / prabhas
You should apply the voltage step by step till the double
voltage capacity of the cable. this is during only in the
1st time of test for 2nd time onwards 1.8% is preferble.
Ex:33KV: You apply till 65KV
| Is This Answer Correct ? | 4 Yes | 0 No |
Post New Answer View All Answers
how we sesign the transformer give some specifion regarding design of transformers
Explain in brief description about the operation of DG sets.
how can tell us the AC indoor or outdoor which Tr and formulls
What is relation between mu(nought) and epsilon(nought)?
size of condotory fron voltage level
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.
What is Instantaneous Earth fault relay,how will work
Please define ampere?
WHAT DO YOU MEAN THE DIFFERENT TYPE OF CURVES OF RELAY LIKE STANDARD INVERSE, VARY INVERSE, NORMAL INVERSE, LONG INVERSE ETC....
What are the basic components of the feedback control system?
what is the standard duration after failure EB power
why does rotor rotets?
which one is more efficient, torq, power & ecnomy with the same frame size AC motor / DC motor?
What is ideal IR values for ground and neutral.
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?