what is smart grid? why we use it? explain in detals bcoz i want give presentatin from it....

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draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

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why one side of tubelight glows after switch off ?

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In a company has been installed an analog amperemeter, this company was suplied by generator X, there is no problem in the ampere meter, rigth now this company's supplied by generator Y then the pointer in amperemeter vibrating. What happened? Why? Thank's

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15hp motor wound by 0.9mm & 0.95mm magnet wire. at no load test it draw 4.2A current. Another motor with same condition draw 9.2A current. How can that occur? pls help

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what are the safety measures of induction motor?

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when the supply of MSEB is cut off & all the load of the industry is driven on generator at that time the capacitor which is connected in industry for power factor control is switched off why?

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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,

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How is earthing done in Aerospace applications such as Flights and spaceships..?

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what role neutral plays in electrical circuit? If neutral is not there what will be the effect

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what is the use of Reactive power in power system?

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why the earth conductor in top of the tranmission line ?

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