which type of motor complete it's one rotation in 30 day's.
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Why are the laminations insulated from each other?
as we know that N=120f/P speed of an im can be controled only through changing no if poles, can we control by changing the frequncy????
why do we have spikes enough to burn electronic boards, when generators are not grounded
why C.T protection required for H.T.lines?
what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?
how can calculate static 3phase 4wire CT & PT operated energy meter constant when calibrating using refference meter suppose we have 11kv/110v PT and 30/5A CT, the meter constant is 160imp/kwh, where meter is showing MW energy? give me solution which constant i feed in my refference meter for calibration of energy meter?
in ct secondary one terminal is connected to earth why?
transformer is working or not with supply of DC?
what is control supply rating of a machine
A motor works on 30 killo watts.how much ampers will be required if it works on 440volts?
what type of motor is used in washing machine
What is resistance of 50meters, 16sq.mm, single core copper cable?