prefer any good electrical engineering book.....it should be useful in the practical fied?

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In three phase supply why we use R Y B Colour not other.

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What is potientiometer.What is the use of it.

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what are the components in electrical control panel (for example: 415V, 3-ph, panel to operate utility and 3-ph DG set).

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an ac induction motor gets overheated when operated at a low frequency of 25 hz a instead of 50 hz. reason?

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Why efficiency in thermal power plant is low?

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

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hi frienda We have 250kva cater pillet dg set we are fasing one diffrent proublam in dg we are start dg set after one mint applying load around 450a load but dg was run 3 Or 4 mints after 3 mints dg was shuding down automatic how to face this proublam pls tel any budy

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Please specify the parts of VCB&ACB

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how and why are capacitors are used to improve powerfactor?

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What is domestic transformer? Draw the connection of domestic transformer.

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