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WHY RATING OF VCB NOT LESS THAN 630A
Can you explain about pole discrepancy scheme
In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?
How to find ampere on ht side for selection of cable size ???
hi,every one, i have to write the search paper on "performance policy optimization" of NGN (next generation networks). i need the material on this topic. can any body help me. please tell me any useful site where the good material is available and name of any reference book. it should be a great help for me.
How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?
if voltage bt phase & nutral is 38v in a panel board . whats the root cause.
What is the principle of HIGH SPEED DIRECT DRIVE MOTOR ?
what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.
In DC generator, we use commutator, having no. of segments. Then how it is possible to get a half wave of voltage and current for half rotation of armature?
how point on wave controller works.
CAN ANYBODY PLEASE TELL ME HOW TO DESIGN A SERIES REACTOR FOR LIMITING SHORT CIRCUIT FAULT CURRENT??
WHAT IS SHORT CIRCUIT STRENGTH OF 100 AMPS MCCB?
What is the difference between acs 550 & acs 850
we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.
