Why are calling leading power factor is a capacitive load?
what happen ehen synchronisation is done at below rated speed
How the speed of synchronous motor changes with the variation of load?
While connecting the flood light plug on to the 415 V distribution panel,there was spark and the cable got burnt. Three ignitors of the flood light also burnt of. The lamps are of 400 W (total 6 lamps) connected through 1.5 mm2 cable. The plug was immediately removed from the circuit. There was a 30 mA RCD connected and a 250 A MCCB; however both did not trip. What could be the possible reasons for the circuit devices not to trip?Can someone assist please. Additional info if needed can be provided.
Can we transmit digital signal to long distance ?
1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?
what is the ohmic value of transformers
Why electric traction is used ??
when we r using single phase load and we have power cable of 3.5core with .5 of neutral and neutral is suppose to the returen path of the phase how much current will flow in the neutral.reply.
what is the purpose of taking HV test in LT panel.
what is reluctance?
Natural frequency of a system gives... 1) nature of transient 2) overshoot 3) oscillations 4) speed of response
why does the magnetic balance tests at transformers? how to provide earthing in flight?
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