Answer / prabhakar

We use DC voltage with DC series motor bcoz it can start
with load

Answer / bipin

it is 1-phase...25kv ac, 50Hz. actually traction substations
are there which recieve 3 phase supply and divide these
phases into sections of about 30-40 kms along the line. each
of these sections are completely electrically isolated from
each other by using dead sections.

Answer / kapil

25 kv single phase ac.converters are installed in engine because we need ac also to supply auxiluries like blowers etc.

What is the important precuations need tocarried out while working with Electrolite in Battery PM?

0 Answers  

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Operation carried out in thermal power stations?

0 Answers  

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how to can we synchronize different capacity of DG sets.60kva& 250kva?

2 Answers   Power Plant,

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what is basically a pulse transformer?

1 Answers  

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Why we have short circuit the secondary of the transformer

1 Answers  

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What is the maximum load of 240mmsequre single core cable can carry?

1 Answers  

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How npn and pnp transistor works

0 Answers  

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What is an Antipumping relay ?

4 Answers  

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How to design the blower for motor? how to two blowers connected in motor?

1 Answers   Ashok Leyland, TATA,

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the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

3 Answers   Bhel,

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working

1 Answers  

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What is majour reason of Electrical Arcing ?

9 Answers   ABB,

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