Answer / viraj

all are used to protect electrical equipment
in normal conduction all works as close switch but in abnormal condition they become open
vcb acb and sf6 are used with relay
vcb vaccume is used for arc removal
acb air is used for arc removal
sf6 sf6 is used for arc removal
mccb molded case circuit breaker to limit current

How do apply electrical 'c'license......pls advice

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physical identification of HT & LT panel

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if i am in front of transmission line how to know that current direction without any equipment

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what will be the magnetizing current in the testing of 27 MVA transformer?

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Define availability (operational)?

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what is difference between power transformer and distribution transformers

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wat do knw aboot circuit breakers ?

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

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