is it necessary to earth the rmu before cutting off the
transformer winding?if yes why?
Application wise, where we should use AC motors and where
we should DC motors?
i want all question & answers of the written exam
WHY THE RATINGS OF THE TRANSFORMER IS 33KV WHY NOT OTHER???
I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR
"BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE
CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.
in the case of 6.6kv motor starter combination contain
fuses on it VCB. but in 11KV motor starter combination
Fuses are not using in it's VCB why?
What is online and offline ups? how does it works?
How to size a transformer which will supply power to
550kW,690V motor starting with VFD?
Can anyone explain me the operating principle of the megger
tester?( I just know that its diflection relates with the
ratio of currents of control & diflecting coil. I need more
information as breif as possible)
Explain how you intend to work under pressure to meet up with
How can we calculate the motor frame sizes?
we use 400/5A ct and 35/roor3KV,/0.1/root3KV,0.1/root3KV pt
ratio. What is the multiple factor of this meter.
what are the basic insulation levels & what its Unit
what is the difference between electrical and electronic