phase colour is indicated by R Y B (red yellow blue) but in transformer i have seen U V W instead of (R Y B) have any meaning of this

3 Answers   Areva, Kim Yew,

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Which loss in DC machine is maximum?

1 Answers   IFFCO,

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what is the working principle of DC generator ?

10 Answers   DRDL, HCL,

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what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

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how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

0 Answers  

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how induction generator generated the power without excition like syncronous generator.

3 Answers  

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How to Prepare preventive maintenance shedule of machine tool.

0 Answers   Concast,

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what is Princepale of Transformer Taps.

1 Answers  

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If you don’t have coal, salt and copper, then how would you earth your connection temporarily at a camp site.?

1 Answers   Focus,

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does the power factor of an induction motor improve upon used in parallel with a synchronous condenser , used commonly to provide a leading kva ?

1 Answers  

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Will an earth leakage trip be activated if the component or wiring is faulty on low voltage equipment.Example An electrical Cat Scarer placed in the garden and water gets into the wiring.

0 Answers  

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why does rotor rotets?

0 Answers   IBM,

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