what is rotatng magnetic field in case of three or multiple phase alternating current machines???

1 Answers   NHPC,

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what is different between neutral and earth?

4 Answers  

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whats relation b/w motor current & friqency

1 Answers  

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What is the Efficiency in Electric motor ?

2 Answers  

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why test lamp didn't glow across 500v megger?

4 Answers   Aurobindo,

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Which motor has more efficiency ;Synchoronous or Induction motor ?

4 Answers   TATA,

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How much ph is maintained of water resistance starter for slipring induction motor ?

0 Answers  

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please tell me when we start motor without load in star or delta connection whose current above condition,pl write formula

0 Answers   Foxconn,

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What are the different methods of improving power factor,especially in Wind Sector

2 Answers   Suzlon,

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How will polarity test of Dy5 Transformer ?

0 Answers  

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Difference between SHORT CIRCUIT and an OVERLOAD ?

1 Answers  

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Ho de we calculate the line loss of a 500 kv line over 1000km.

1 Answers  

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