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How to clear BHEL written test exam.....anyone having experience pls refer me the link were i can get BHEL question papers....
Bhel,
1 4766Greeting to all members, How to calculate spill current when we have different ratio CT and Class for REF(Low Imp) I have 500/1A 5P20 @line side n 400/1A CL.X @ Neutral.
DEWA,
2956if dc excitation is used to produce manetic flux in rotating machines then ehy it is not used in transformers.
4 7739how can we detect that which is receiving side and which is sendind end of a trnasmmison line by just seiing it?i.e its which end is coming from genertaing and distribution side?
5 6701If I have a motor of 1 MW with 6.6 kV, running at 35% load, how can I save energy without reducing the load?
6 8587what is meant by Is limiter?what is the use of current limiters in electrical ditribution network?
2 7274Post New Electrical Engineering Questions
what is meant by directional earth fault and non directional earth fault? describe both.
How to design the no. of ceiling fans required in 5mtr X 10 mtr X 3 Mtr hight room?
Is any generator is developed which is operated with out diesal or other expensive source?
solar inverters was not connected to the nuteral link .this nutwral possible to any other systems
hi everybody how to design string combiner box (scb) internal parameters like bus bar and spd (surge protection device and fuse which place to set that,and also bus bar one particular cross sectional how much heat generated and how much power loss tell me Clearly and briefly
Why should be the frequency 50 hz 60hz only why not others like 45, 95 56 or anything , why should we maintain the frequency constant if so why it is only 50 hz 60hz?
from where the self excitrd induction generator get the power?why is the voltage regulation is poor of seig?
What are the advantages of using distance protection schemes as opposed to normal overcurrent/ earth fault protection on high voltage feeders.
What is 100% protection of generator? Why 100% is not used but 95% is generally used?
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
We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's
WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM
What is the difference between line drop and percentage line drop?
What are different types of control systems?
how many parameters can integrate with fire alarm basically ?
