what are frequency changers ? Tell me about commertially
availble frequency changers ?
Frequency changer can step up or step down the frequency.
power converter(cycloconverter) converts (step-up or step-
down) the input supply frequency to the desired frequency
with or without voltage control. Cycloconverters are used
to power the high frequency induction furnaces in steel
industry
| Is This Answer Correct ? | 8 Yes | 0 No |
What is the difference between electronic regulator and ordinary rheostat regulator for fans?
what will happen to give a dc supply in transformers?
For 280kw power. Which cable I can usr
What is CRT (Contact Resistance Test) for Isolators or Dis- connector Switches? Why we performed it & whats the Testing procedure.
why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.
3 Answers College School Exams Tests, Jindal Steel and Power, JIOL, NEC,
Why sometime AVR and sometime Booster coil is used in Alternator? what is the diferance between AVR & Booster coil due to which they are selected
why 3phase is 440v but where as we get phase voltage 220v,we have to get 220*3=660v.can u pleas give in detailed
sir, how to select the cable size, what is the parameters use ang what is the formulas use for this cable size calculations. please tell me.
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