Can anyone please give me the parameters , formula needed
to calculate the circuit breakers for building
services.Thanks
A 150KW 440V motor is need to replace in the field instead of faulty one. what are the main parameter should I need to check?
defined power system?
flurescent bulb rating is to 230v,50HZ.now flurescent connected 230v,25HZ.whether nreduced frequency will affect the glowing properties of flurescent.
what's the exact magnitude of current, flows through Neutral?
what is the common earth
what will be the effect on the voltage .if power frequency is increasing or decreasing.
1 ton AC takes how much current( starting & stable)
Why induction motor can not be operated at synchronous speed?? what would happen if it is operated at synchronous speed??
What will happened if the neutral of the (star connected secondry) Xformer disconnected? (if its Above KVA rated one)
how hydrogen or helium is a cooling agent for alternator./ generator of big size.
What is the purpose of stand by earth fault protection for transformer ?
Can we convert off load tap changer transformer to on load tap changer transformer