what do you mean by 1 ton in AC`s
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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.
What is synchro?
WHAT IS SUBSTATION & ACCORDING TO VOLTAGE HT,EHT SUBSTATION EXPLAIN IT
How to calculate total harmonic distortion level(THD) in VFD? and how can we reduce harmonics?
can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.
What is the physical significant of power factor?
What are the advantages of nichols chart?
How to measure the earth resistance value in a concrete pavement(flood light area)?
Please explain me about Relay curves and their sources to read ?
what is the formula for hv test for cable and circuit breaker..????
When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?
What do you mean by ratio correction factor of instrument transformer?
Why 3 phase induction motor getting supply in body if one of it's phase is cut
What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?
In india, according to trade theory above 5 HP motor reqired star delta starter. But we R connect 11 KV motor with 14MW in Direct to line ( With VCB starter combination) Can U Guess, How it is possible ?????
