why in america the supply frequency is applied as 60 HZ.
but in india we use 50 HZ.
The coulomb is a unit of:(a) Energy(b) Voltage(c) Power(d) Quantity of electricity
what is a reactive power? what is the relation with power factor?
explain about the electrification in the Indian Railways? ie., how the power is taken and used to drive the train? explain with the block diagram??
how much percentage set in transformer diffrencialrelay
How many 2 ton window A/c can runs on a 125 KVA generator?
what will be the effect on the voltage .if power frequency is increasing or decreasing.
We have one 500KVA transformer. We have tested REF relay and commissioned. After one and half year, due to some ground fault in one of the DB circuit Transformer tripped by REF relay. What will be cause and remedy. Please advise?
Is it possible to use a S1 duty class motor for crane application (S4)? If not, why?
you have a 2 tonne ac that operates for 2 hrs daily what will be you monthly bill (this is complete question asked nothing else was given)?
can we keep open the secondary of current transformer?
EARTH AND NEUTRAL ARE JOINTED OR NOT?
for a 33/11kv transformer, after step down what happens to the balance 22kv.