what is the difference between earthed system and unearthed
system.. where do we use unearthed system because in
electrical catalogues always cable for earthed and unearthed
system is given..pls elaborate
what is the difference between thermal magnetic release and
microprocessor based release breakers. what are the advantages
of latter over the first one...
If the capacitor bank is installed in switchyard say
132/22kv then on LT side say 22kv/0.433kv is it necessary to
install capacitor bank for maintaining power factor. if pf
is maintained on HT side then will that be maintained on LT
side as well.if not then how&why??????/ please
explain...........
NOW A DAYS THE POWER SUPPLY IS VERY LOW.SO THE FLURESCENT
TUBE LIGHTS ARE VERY DIM.IS THERE IS ANY WAY TO INCREASE ITS
BRIGHTNESS?FOR EXAMPLE ANY CONVERTER,CONDENSER?
what is the effect of connecting three phase supply lines
to three phase auto transformer output terminals through a
fuse of 10Amp and a circuit breaker (MCB). Is this
connection permanently destroy the transformer?
31
which fault current is maximum: 3 phase short circuit, LG,
LL or LLG?? why??
in one of the problems that i have solved, 3 phase short
circuit current on an unloaded generator came out to be
less than the LG fault current. can anybody please explain
why.
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