What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?
Who many reason of ignition fail ?
please send me last 5 year interview questions
clarify types of motor operated valves and advantages
what is electrical machines
sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.
If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!
why magnet has north and south poles only why not east and west and why we are considering as north and south poles? why cant we consider as east and west?
How we calculate the size of ht cable for any transformer
how many types are their in switchyard or substation(like D,I TYPE), what is differant between them
If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?
what is the use of permanent magnet generator in exciter
If we have to find the inductance of a dc shunt motor then by giving dc supply or ac supply and what is the reason for it. (this example is from "to determine the transfer function of a dc shunt motor ")
why ht motors are star connected?
we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?