What is system earthing?what are the types?
how we do Vector group ,magnetic balance and tap changer test in Transformer?
How a Universal motor works in Both A.C and D.C? What is the constructional difference with other single phase motors?
Why the rotor winding is short circuited of induction motor
why we r fixing harmonic filter
what is current
What is NUMBER OF RUN for power cable means?
if 11 lead acid batteries each 200 amph are connected in series so that combinly they can produce 110 volts dc. question is how much backup it can provide ? 2) how can we calculate that how much amprere and voltage is required to charge them . thanks in advance !
ASTM D 3455 - Standard Test Methods for Compatibility of Construction Material with Electrical Insulating Oil of Petroleum Origin has been used for Testing Transformer Oils with a product placed in it. Aged Control Oil has a Power Factor of 0.032% at 100°C. Aged Oil with a Test component has a Power Factor of 0.093% at 100°. Is this increase acceptable? If not why? How much increase is acceptable?
tell me about roaster switch .& what is the function in transmission & distribution?
how a synchronous motor is used as a resistor,capacitor and an inductor?
WHY AIR COMPRESOR IS STARTED UNLOADED
What is systematic error?