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Answer Posted / arun
efficiency of the transformer is 97 or 98%
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where we use the SFU & FSU?
what is meant by 3rd hormonics ?
Why space heater is required for each verical bus bar chamber? if one space heater is adequate or not for anti condensation?
Apparent power is expressed as V * I(Conjugate). Why not in V * I ?
132/6.6ππ πππππππππππ πππππππ πππ πππ πππππ πππ πππππππππ. πΈ'ππ πππππππ πππππππππππ ππ 6.6ππ/415π πππ πΈ πππππππ πππππππ ππ ππππ πππππ πππ ππ ππ 13/6.ππ πππππππππππ?? πΈπ π½π.. ππππ π ππ’??
How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?
defination of lines
What if high voltage side circuit breaker of a ehv transformer instead of lvcb? Kindly elaborate.
A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.
what is ramping rate of generator
When will you multiply and devide with derating factors to the actual value while sizing the cable?
I have an existing old MCCB. ABB Model SACE, the rating are: Ue = 660 volts, Iu =1250 Amps, 3 poles, Ith (max) =800 amps at 45 deg C. I need a circuit breaker for my 3 phase motors, 380 volts 60 hz. the supplier required the minimum ampacity of the breaker to be 911 amps. can i use this breaker with rating of Iu =1250 amps but Ith = 800amps maximum?
would the same effect be achieved by reversing the connection to one winding of the induction motor 3-phase?
When color of silica gel will gets change from blue to pink from Top to bottom?
What is excitation in case of dc motor?
