what is the contact resistance of vacume circuit breaker??
why secondary of open delta pt (two element pt) centre tap is earth what happen when this earth is removed
Can I use 1 phase power supply to run 3 phase motor? If yes, how?
What is earth fault?
why DC source is used to idetify the polarity of CT/PT?
How grounding is different than earthings?
When star connection of motor is use?
Is VVVFD reduced the starting current of an induction motor?
What do you mean by ratio correction factor of instrument transformer?
Why not connect relay Y phase for over current and earth fault
What are the applications of autotransformers?
Explain how you intend to work under pressure to meet up with deadline target?
various transmission tower like .,D tower ,K.C.O tower ,C.C.O tower,K.C.R tower ,C.C.R tower ,H.C.O tower in different tons.
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