how to choose cable size with respect to load? how to convert cable size in mm2 to sq.mm?
MSL,
2 4835Earth Is a very good conductor or very good insulator.? If a good conductor then why current donot flow through small piece f earth and if a good insulator then why we use it as return path in lines.???
L&T,
6 32530Post New Electrical Engineering Questions
How is efficiency of DG set calculated? At many places I found the efficiency to be mentioned in percentage. But at some other places I found kWH/ litres. I want to know how dimensionless percentage value is arrived at?
What is the maximum percentage voltage drop (vd%)for a motor control center
State The Difference Between Generator And Alternator?
armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?
what is the formula of starting current of 3phase and 1 phase motor???
I have 1500/1A CT If i connect this CT in 6.6KV bus bar means what will be the voltage present in CT?
What are linear and non-linear systems?
What is the difference between relays and contactor construction wise?
What is meant by RVT and NDR ? expansion and details of it
sir plz send some previous year questions of jspl.
75 kw motor take 45 amp in no load delta in star 10 amp but in load it will take 160 amp but IR velue of winding above 500 at 1kw ph to earth and ph to ph. what problem it should be?
What is the role of power pack in substation protection system?
WHY BREAKER ARE USED IN SUBSTATIONS?
why to use freewheeling diode ( diode in revers bias mode) across dc coil
i have applied for the post of RRB section engineering chennai board please send me previou papers and solved answer. my mail id jagarapusrinivas@gmail.com
