for what purpose the star point is done in ct
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why ferranti efect occurs on no load only?
for preparation of design note of 11 / 220 kV , 3 phase, 63 MVA transformer how can calculate or consider the iron losses and copper losses
How do you select the pickup value of the relay?
at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)
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what happens when we give supply to the secondary of a transformer ?? for example 415v(pri)/110v(sec)
What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?
Define peak time.
why fuse amperes rating are specified ratings like 32amp & 64 amps?
What types domain of laplace transforms? What behavior can laplace transform predict how the system work?
what is the formula for calculating of dielectric strength of transformer oil.
Why Drives are used to run AC motors?
Mr. mohh sahid m not satisfied for ur answer to the que weather the size of transformer increases or decreases withchange in fr for more detail go to the answer given by me
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