IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase
only to earth in during H.v testing (through H.v KIT).what
happen remaining phases.how much voltage get remaining
phases.why? explain.
does frequency affects the load? if yes elaborate it.
Generally we denote power in 'p',voltage in 'v'but why can't we denote current in 'c' instead of I.
Why transformer rating in KVA? describe.
why voltage between neutral and earth, with out secondary grounded distribution transformer
how to produsing geretor power
Why two main buses and one transfer bus scheme not using for 400kV switchyard
if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?
what are the types of electromagnetic forces developed in practical transformer?
0 Answers APC, BPCL Bharat Petroleum, Electrical Tech,
I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?
0 Answers US Electrofused Minerals,
what is the right cable size for 100 hp mpter.
what is ripple component in ac supply?
An electric bulb giving light but at the time of lighting which one it takes? voltage or current
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