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What will be happend if we not ground CT secondary?
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In EDO ACBs what is a purpose of closing coil and motor, what is the operation of these devices are they inetconnected. means if we give supply to motor and by BCS we charge Closing coil,what exact is operation is and how it charge a spring of ACB. Sir if anybody has an wiring diagram please send me the link to operate and EDO breaker.
what is the difference betweem star connected motor & delta connected motor?
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 meant by star/delta voltages as 440/220 in a 3 phase induction motor, and why it should be connected on STAR IN 3 PHASE SUPPLY
why does rotor rotets?
Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.
How RTCC panel is working and give single line diagram for RTCC with transformer?
Why is water motor not taking the pressure? what is the problem?
What is meant by control system?
Define active filter?
what is the safe meggar values for motor, transformer HT, LT and Cables? IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace. why we generally use 3.5 core cable or in other word 1/2 core for neutral and also confirm me that in balance conditiob(3 phase)current in neutral will zero
Star Delta Diagram with full description
Refernce currents are to be generated using refernce cueernts how can this be done
how does ELR works? explain
What is trip and closing coil in cb? Why need of them
