what is meant by carrier aided trip protection in transmission line

0 Answers   GE,

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Differentiate between kirchhoff’s first law and kirchhoff’s second law?

0 Answers  

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How each of the following losses occur in d.c machines (i) copper (2)core (3) windage (4)friction please help me

0 Answers  

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What is effect of harmonic current (Draw by VFD) on power system/ electrical Equipments ?

0 Answers  

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What is the method to solve circuit using source transformation?

0 Answers  

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what is function of INVERTER

4 Answers  

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how ct burden,magnetising current,ratio and knee point voltage are related & derived

0 Answers   Dalkia, SCT,

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What is electrical diversity factor in electrical installations?

0 Answers  

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How can maintain our H.T. motors used in cement plant. please send me procedure.

0 Answers  

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What kind of earthing method can be useful for ships and boats ?

0 Answers   GE,

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What is the difference between Isolator annd Circuit Breaker.

21 Answers   ABB, Lanco, NTPC, Power Grid, RInfra,

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Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )

3 Answers   NTPC, Transco,

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