why single phase to grd test in HV cable?why not 2 phase at a time?

0 Answers  

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if we use a normal natural thundering; than approx how much amount of electricity we generate?

1 Answers   Visa Steel,

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how to find out this one mcb r mccb?

4 Answers   L&T,

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I want to know what is the short circuit level when 8 NOS 2000 kVA, 415v, 50hZ generator connected in paraller

1 Answers  

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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what do u mean by bus bar?

6 Answers  

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A synchronous motor is operating at a leading power factor .if the applied voltage is decreases ,(the excitation remains constant ) ,the motor current a)increases b) decreases c)remains same d) none of these

2 Answers  

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what is the difference between earthed and unearthed cable?

24 Answers   Cords Cable, Essar, Torrent Power,

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What will happen if the d.c. Machine is operated below rated speed?

0 Answers  

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Define conversion efficiency of a power amplifier.

0 Answers  

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what is PID control in VFD drives?

0 Answers   AES,

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The MCB circuit breaker have a voltage rating of 440VAC it's possible to supply a voltage of 480Vac

1 Answers  

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