what is the advantages of having in-built acvvvf (without
seperate inverter in the control panel)in the drive system
of elevators?
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what is the use of current transformer in power transformer secondary side.?its connectyed in WTI
lllg,llg,ll,lg,lll which fault is severe and why?
10 Answers COEP, GE, PSC,
what is an oscillator?
which protection function should measure RMS value of current&DFT value of current?
Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha
we know that dc motors are more superior then three phase induction motors in torque generation though they are not much used in industries why?
What is the need of black rock stones under the transformer yard?
5 Answers TNEB Tamil Nadu Electricity Board,
What is the vector group of a transformer,how can it be found out?
ELECTRICAL ENGINEER TEST IN FEWA ANY ONE HAVE KNOWLEDGE ABOUT THIS?????????
why abcd parameters are called as transmission parameter?
Batteries. What is the difference between Lead and Nickel batteries ?
how to use single phase supply for a three phase equipement.
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