Answer / vinod

low starting tarque

Answer / guru101

Synchronous motor Three phase motor but it two winding
which are connected to rotor after 70% it'll be connected.
In the intial time Synchronour motor are not three Phase
but after about 70% speed it'll make Three phase. In the
starting Condiction, it is working as 2phase. it has zero
slip under usual operating conditions. Contrast this with
an induction motor, which must slip in order to produce
torque

Answer / vamsi

it does not having revolving field
because it works on 2 powersuplys ac & dc

which type of harmonics minimum produce in 12 pulse rectiformer transformer? a)3rd b)5th c)7th d)11th

4 Answers   Power Grid, Powerica,

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what is the difference between multimeter and megger?

3 Answers   Bhel, Metro,

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why the vfd motor take current high in vfd panel then mcc panel.current in vfd panel=160A in 93%.and mcc panel it shows 130A. (132kw motor)

1 Answers  

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400 kvtransmission lines in india are connected in star or delta

10 Answers   NTPC,

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What is applied voltage for meggering a 6600V HT cable

2 Answers   Sail,

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When batteries are connected in series the voltage increases but the current remains unchanged, how can this be? When you consider ohm's law. i.e. If voltage increases, current increases, providing resistance remains the same.

10 Answers  

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how system voltage affect the power factor or vice-versa.

4 Answers  

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comparision between ACB and VCB

1 Answers  

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dear sir, How i calculate the 2 phase welding transformer power or kva?? kindly tell me....

2 Answers   Gedco,

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How can you limit the fault level in a power system?

1 Answers   Alfanar,

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What exactly is meant by harmonics and harmonic current?? and what is skewing with regard to this??

2 Answers  

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why any surge protection is not provided to UHV ac transmission line (765kv) ?

1 Answers   NK Power Systems, Reliance,

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