Answer / k.mareeswari

Electric train uses only one conductor.It doesn,t need any
separate neutral line because rail itself acts as neutral
path or return path.
And this runs in single phase.

Answer / virendra

Addition to the above Electrical train motor is DC series
moter & runs at 25 kv , it runs on single phase & the
return path will be trhough the track which is again earth
at several places.

Answer / pavan sharma

additional in above we use negative booster to control
effect of voltage drop on rail track

what is interference

1 Answers   L&T,

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is it possible to give the total load from the supply generator's maximum in practical?

2 Answers  

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why we measure output of transformer in kva?

1 Answers  

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What is the effect of positive feedback on the stability of the systems?

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How to connect the earthing in aircraft?

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why the indian frequency is 50 hz & U.S.Frequency of 60 hz

3 Answers  

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I Have 100Ah battery with 650VA Inverter, i WANT TO TAKE a Solar panel to charge my battery, so please suggest me,what rating of solar panel(with solar charge controller) can buy for a load of 450w for 4 hours

1 Answers   Chevron,

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why we r fixing harmonic filter

3 Answers   Siemens,

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1 Kva = How many HP

9 Answers  

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1 Answers   Mukand,

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