Answer / guest

25kv AC line normally used, current collector pentograph is
used to collect current then this power transform to a lower
level(voltage) by transformer. now this power is converted to
DC and used to drive DC motors. these DC Motors drive the
train.
25 KV AC supply collected from the Grid and transmitted in the
railway grid along the tracks boosters are arranged at
different section to maintain voltage level.

Is Softbitonline HT Transformer Design Software is AutoCAD compatible?

1 Answers  

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How can get electrical c licence.Now i am working in spining Mill , transformer capacity 2750kva. Sanction demand 2250kva. Please advise me . My contact no 09944226823

5 Answers   Pace Power Systems, VRVS, VSJ Industry,

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why swityard is necessrry requirement in any bis power distributin systems?

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132 KV TRFO BUSHING BURNT WHEN A 6.6KV HAS BEEN APPLIED TO IT .WHY .ANY REASON ?

2 Answers   MRF,

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What is the purpose of taking Capacitance and Tan Delta Test in Transformer bushing?

2 Answers  

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What is applied voltage for meggering a 6600V HT cable

2 Answers   Sail,

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How to take the Vector Group Test in Transformer? What is the purpose of doing Vector Group Test?

2 Answers  

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How the speed of synchronous motor changes with the variation of load?

1 Answers  

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WHAT IS THE CONDITION FOR OPERATING DIFFERENTIAL RELAY IN POWER TRANSFORMER & WHERE IS NEUTRAL CT PLACED IN TRANSFORMER

2 Answers  

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How to identify the start and end of 3phase 12 lead motor if U1, U2, etc numberings are lost or erased.

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It is a three inch fan and i want it to rotate to other direction .I've tried cutting the wire and reconnecting them inverse like black to white and white to black ,but it won't start rotating when i plug it in that way.And then it works again when i rejoin the wire to the way it is. I don't know what causing the problem.Is there anyone familiar with these small mortor?Any suggestion would be appreciated.Thanks!! http://i296.photobucket.com/albums/mm163/sasukebloodwheel/110527-105859.jpg

2 Answers  

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Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

0 Answers  

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