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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply
2113hi frienda We have 750kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy
1 3340what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?
2298What will be the change in its efficiency and other parameters of a ONAN transformer if it changed to ONAF transformer ?
3 5301What is a Single Phase and Three phase Power? How it will be converted or transformed into another form?
3 8561Post New Electrical Engineering Questions
why we testing the core balance of the transformer before comissioning?
List out the the types of Mounting Light fixture?
sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....
What's the difference between non break power supply and non break non short break power supply
What is Instantaneous Earth fault relay,how will work
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?
explain why core loss of a transformer is almost constant under different load conditions when connected across a constant voltage and constant frequency.
How can we increase the capacity of Energy.?
How to calculate the electrical load for a standard telecom BTS shelter and choose the DG set capacity for the same load?
what is cogging and crawling
Why PS class CT is always preferred for Differential protection?
How to define Kirchhoff current law and voltage law along with simply examples.
Sir, I m 3rd year student 4m DCE and want to do internship in siemens or l&t or any other mnc related to electrical engineering. please tell me the procedure 4 same and oblige me
why we cannot protect 100% winding of an alternator by using differential protection?
