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HOW CAN YOU CALCULATE PRACTICAL EFFICIENCY OF A ASYNCHRONOUS INDUCTIONMOTOR OF 7.5KW,& MOTOR IS RUNNING WITH AVOLTAGE OF 410 VOLTS,& TAKING CURENT OF 13 AMPS
1877what is impedence (Z) of transformer, what indicate in transformer , which perameter indicate in transformer
5 12977Motor and transformer working with same principle so why motor rotates while transformer not?
7 10986If a surge divertor is required to be protected by 32 amp C Curve Circuit breaker does this limit the amount of protection from surges that you will acheive
1795What is surger vector in 33Kv transmission feeder? We have AC power generator of 8MW which is paralleled with 33Kv EB grid. Some times our HT breaker gets trip off due to surge vector problem. How to over come it? Is there any device to observe the surge and avoid tripping?
3 7783Post New Electrical Engineering Questions
I have a relay contact rated at 220v dc which is supplied with a 24vdc from the panel,for it to trip the dampers(24vdc).What if the application of the relay changes so that it should work at its rated 220vdc then will it work at 24vdc supply given or any other consideration needs to be taken .....
3phase cable calculation formula by motor load
can anyone give an idea about dia calculation in cold rolling mill
Whether amorphous core transformer is available in India?.If available then up to what rating of voltage and KVA?.
The 3 phase Delta connection RB=440V, BY=350V,.......* is Line to Line voltage RY= ? And Formula....?
What are the specifications for getting approval of Substation?
How can we checked Killo Watts of Motor & Alternator?
HOW WORK HEAT PLATE EXCHANGER
diff b/w normal grounding and resistance grounding
what is doubling factor in making current of a breaker?
Why we specify TNC switch with 1NO 1NC ,2NO 2NC ? how we get connection.?
what is upper impedance and lower impedance of a distance relay
upto how much low RPM we will run the commercial motor which is run through VFD without any problem occurs in motor.Motor rating Duty is S1 & RPM is 1400.
what is the voltage regulation for unity and zero power factor?
How to calculate Temp from Resister from PT100 equation,
