Answer / nur.asidik

Rating and vector clock of TR

define reactive power?

3 Answers   Alstom, TATA, TCS,

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Why the wave trap is put in Y phse only in switchyard?why not in other phases?

1 Answers   IAG Automation, REL,

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What is Reactance & Impedance? what is diffrence between these?

2 Answers  

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why we are used D.c. voltage in L.T.side or controling side.we can use UPS also ,in place d.c. voltage

5 Answers   ABB,

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What are various modes for Mechanical interlocking of breakers (for both MCCBs & ACBs)

1 Answers  

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why permanent magnet generator have higher frequency of 400hz

3 Answers   Jaypee,

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1.what is the reason for transformer and lightning arrester blast in 33kv system

0 Answers   ABB,

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what is the importance of Partial Dischage test for Electrical Equipments

0 Answers  

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When calculating the speed of a rotor required for a particular frequency of synchronous generator we use the equation 60f/p Is this p is the number of pole pairs of rotor & do we consider the number of pole pairs in the stator is 1?

0 Answers   UOM,

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Which power will flow first if we switch on a motor Active or Reactive? How?

3 Answers  

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Why restricted earth fault protection is needed? Why can’t differential Protection is sufficient?

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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