What are locations arc protection relay is fixed.

0 Answers   KSEB, L&T, Siemens,

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what should be the ideal gauge of wire (In sq mm) for different loads in Ampere?

0 Answers  

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what is difference between power transformer and distribution transformers

1 Answers  

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What is deference between MCB & MCCB & ISOLATOR

0 Answers   Prakash Industries, Standard Chartered,

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how to calculate the earth fault current

0 Answers  

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IN PLATE EARTHING , PLATE LAID IN VERTICAL POSITION ,WHY HORIZONTAL WHY NOT

2 Answers   Airtel,

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what is the difference between Current transformer & Capacitive voltage transformer

2 Answers   ABB,

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Pls explain about vfd control?Where it is used, Give some example?

3 Answers   Siemens,

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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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in india are trains run by DC or AC? if DC , from where it receives negative potential? because pentograph receives singe potential only?

2 Answers   GATE, PSU,

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what is cascade speed control device?and how this device control the speed of motors?

0 Answers   ABB,

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can we use transformer for 70 Hz?

6 Answers  

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