why and where we use early make & late break contacts in
protection?
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why we use 3 phase in our country?..why no 4,5 or 2??
lllg,llg,ll,lg,lll which fault is severe and why?
10 Answers COEP, GE, PSC,
why impedance test in power cables?
The size and construction of bushings in a transformer depend upon?
what happens when we apply dc to a transformer
how much distance is required for earth pit to earth pit in substation???
I have a generator of 300kw.400V,50hz . what is means can i assume the load Red Phase with Neutral 300kw.Yellow phase with neutral 300kw and Blue with neutral also 300Kw. or - red with neutral 100kw same as yelloe and blue phase also giving 100kw with neutral respectively
calculate multiplication factor of a trivector meter with line ct ratio 200/5A, line PT ratio 11000/110V and meter CT ratio 200/1A and meter pt Ratio 11000/110V.
why rotor winding in induction motor is not earthed. normally we uses star winding in rotor .why?
3 Answers Anglo Platinum, TATA,
What is transmittance?
What is the basic difference among IPS,UPS,EPS?
which has more heat effect(dc or ac)