Answer / sravan

HAVING LOW VOLTAGE

Answer / s.sarkar

the metal body of the train provides a much lesser resistive path for the current to flow as compared to the highly resistive human body of ours..

Answer / bpn

due to high loses...........
if current is feel then it have low voitage,
due to heat effect....H=i2rt. maximum electric is wastage.
and safety purpose dc series motor are used in electric train.

findout of current?details 440v,3phase,085pf,hp-5

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WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

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What are all the points to be checked for a newly re-winded motor before installation

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How to calculate cable size? How to O&m of vcb?

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

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Ns=120f/p. what is 120?

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why the oscillator doent need the ac voltage??how can it produce the ac voltage by applying the dc voltage only??

2 Answers  

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