Answer / nitish

dc series motor is used in traction because their starting torque is high

Answer / sreekar

DC Series motor is used for the Train operation

incomming volts are 25Kv Ac single phase

Answer / divya

DC series motor can be used for electric traction,because
their variable speed,adjustable speed,high starting torque

Answer / dsaisudheer3772

Some train are using 3phase induction and DC series motors
When you see on electric engine
WAP 7, WAC,WAD Combination
But supply from AC

6 MVA transformer secondary is rated for 725V at no load. The incommer ACB is rated at 690 V, 3200 Amp. Would there be any effect on performance of ACB due to lower voltage rating?

5 Answers  

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what is the meaning of stub protection?

1 Answers  

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what are all the preventive maintainance carried out in DG?

1 Answers   TATA,

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What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

0 Answers  

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why the starting current of a motor is high?

3 Answers   ITC Infotech,

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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explain why tap changer is always connected to high voltage winding side of the transformer.

10 Answers   IOCL, UPPCL,

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why in crona effect it give violet colour.

1 Answers  

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What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.

0 Answers   Kirloskar,

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what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

0 Answers  

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How we can calculate the consumption in kwh of motor on basis of kw @100% load, @50% load & @ no load.

0 Answers   Grasim,

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What do you understand by external characteristics of a d.c. Generator?

0 Answers  

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