What Should be the value of Vector Surge angle at Tripping and how to calculate it?

0 Answers  

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WHAT IS THE DIFFERENCE BETWEEN A DC MACHINE OUTPUT AND RECTIFIER OUTPUT...

3 Answers   Cesco, NTPC, RRB,

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what is diffrence between primary & secondry transformer?

3 Answers  

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what is lxr?

0 Answers   NTPC,

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what is the diff. b/w restricted earth fault relay & standby earthfault relay and where they are used?

4 Answers   KSK Energy, Reliance,

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plz tell me about detailof induction motor Slip

2 Answers  

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working principal of online ups

0 Answers   Delta Power Systems,

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what is the role of impedance in transformer?based on secondary f.l.current(139 amps) and impedance(4.07) of 415/415v of 100 kva transformer. what is the primary current?

1 Answers  

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what is a universal motor? how it works?

4 Answers  

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What voltage is used in Directional earth fault relay? and why?

5 Answers   L&T,

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What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 Answers  

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why any normal motor have to provide star & delta winding distribution during starting?

4 Answers  

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