what is skin effect?

4 Answers  

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why d.c motor speed decress with increass in load?

1 Answers  

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what is the function of anti pumping relays? what is KVAR? How it is generated in alternator? What is 3rd Harmonics? What is IDMT relay?

0 Answers   Aditya Birla,

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Find active & Reactive Power transmitted in a transmisston line having Vs30 degree(sending end) to Vr(zero degree)at receving end with line inductance X ohm. Vs(30degree)-------------------Vr(zero degree) X ohm

3 Answers  

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What will be the sampling frequency that reveals the same sampled signal?

1 Answers   CCP,

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what is meant by insulation voltage in cables? explain it?

4 Answers   ABB,

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mention hazard experienced during installation

0 Answers  

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what is the difference between OD and VL

1 Answers   Bescom,

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what is mean by dry frequency

0 Answers   Siemens, TCS,

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What are difference between earthing switch and earthing truck ? What is the operation philoshopy of earthing truck ? Wht are the component of earthing truck ?

2 Answers   Reliance,

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in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?

2 Answers   Areva,

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what is the most permissible winding temp when we conducting a generator load test?(condition no load)

0 Answers  

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