when u are given a timer,push buttons and contactor, how do i practically make a star delta control circuit and a direct online control circuit?

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what is power system.........?

1 Answers  

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differnce between single acting and double acting solenoid valves

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what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

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Dear Sir how much cable size required from 0.75 kw to 50 kw for electric motor or pump

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what you mean by vector group of a 3 ph transformer

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in an electronic tri vector meter when the current and voltage sequence changes ? what is the effect of phase sequence on recording of meter

0 Answers   L&T,

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what is the full Form of AAC ant conductor?

5 Answers  

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can anybody sent me power grid questions. what subject should i prefer for preparation?

0 Answers   Reliance, Vascon,

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I want formula to calculate cable size as per load given in kw & amp.I searched many sites but didn't right answer.Plz reply me asap.

41 Answers   Armco, BEL, BGS, Biocon, BRB Cable, Crystalline Chemical Industries, DLF, Doshion, Electrical, Gold Roof, L&T, Lanco, MEIL, Oman Cables Industry SAOG, PK Services, Polycab, Sabic, SLV, System Electrical, Tata Motors, UEM, UMIC, Vega, Vertex, Voltas,

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Witch do depand of Power factor and theory of power factor?

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why we calculate only 11kv 33kv and 132kv ... why not 10kv 20kv 45kv?

3 Answers   Bhel, ISMT,

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