why do we use 25kv supply for traction purpose?

0 Answers   Bhel,

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# 4 hi friends i m from electrical branch and seeking for tech. + apti. both papers of hpcl plz get it available as soon as possible my email id is sumit_lig189@yahoo.co.in

0 Answers   HPCL,

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What are the advantages and disadvantages of the dc motors?

0 Answers  

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What is CCTV System???Applications........

16 Answers   Emerson, Honeywell, Joyalukkas,

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Why the Transformer Nuetral is grounded?

10 Answers   Infosys, Khartoum Refinery,

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electricity requires a medium to flow and it cannot flow through air. so how does lightning come to earth through air without any medium?

3 Answers  

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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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line tester lamp working in which voltage?

3 Answers  

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why we need to us lenz's law for synchornous motor

0 Answers   Tata Elxsi,

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do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

1 Answers  

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what is the working principle of tube light?

2 Answers  

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principle of power export and import in captive power plant.Is it depends upon voltage,current or frequency?Plz explain briefly.

1 Answers  

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