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what is v/f control in VFD?
Define non-touching loop.
can any one tell me about the Extra low voltage systems?From where we give supply to these type of systems??
what is breathing?
What is the need for a controller?
how to read idmt curva
concept of busbar and load dispatching..?
how much value of resistance should connect to 15 kw, 6 pole 3 phase slip ring induction motor having RV-240, RA-42.
low frequency protection why recomend?
How earthing of switchgear system to be done.
Please clarify 1. Icw: rated short circuit working withstand capacity 2. Icu: Rated ultimate breaking capacity 3. Ics: Rated service short circut withstand capacity 4. other specification of ACB
why ten delta testing is carried out on power transformer
State the types of distortions in amplifier?
what is ic 01,ic 06 ?is it types of cooling?
why the arc welding machines require parallel earthing systems? ie why each machines are connected to earth pit by separate wires during earthing? wats it adavantages?