how is working the APFC when varying the load?

1 Answers  

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What is the formulae of Megger value for a A.C.Motor

0 Answers  

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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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How can Inductive load reduce the line voltage of HV transmission line and vice versa Capacitive load?

1 Answers  

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what dose the arrow indicate in the symbol of power transformer?

1 Answers  

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what you mean ct ratio? why use 400/5a,200/5a,150/5a ?

1 Answers  

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how balanced in star delta connection ?

0 Answers  

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what is difference between earhing and neutral

2 Answers  

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What is the Difference Between resistance and resistivity?

2 Answers   Sun Pharma,

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Is there any problem ,if R-Y-B voltage is constant , but the air compressor taking one phase high current.what is possible causes.the said compressor is very new.(55kw).

4 Answers  

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why starter use to on a motor

6 Answers   Emco,

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how unidirectional torque is produced in DC motor?

0 Answers  

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