Answer / k.prakashchandra

In case of DC traction motors initially electrical braking
is employed by increasing field excitation to feed the power
to system and later, mechanical brakes are applied.

Answer / mehul

Regenerative braking .....

What differance between Circuit brekar and Isolater?

14 Answers   TATA,

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 Answers  

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what is the difference between arc and spark

2 Answers   ABB, Jindal,

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We wish to test 60 Hz systems from a 50 Hz supply. To acheive frequency conversion, we use a VFD. The VFD powers 40 kVA transformer, which has motor and non-motor loads on it. Will the transformer work?

2 Answers   Suzlon,

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How the current flows in dc circuit?

3 Answers  

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What is making & breaking current ???

0 Answers   JLL,

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What is the role of Tertiary Winding in Transformer ?

2 Answers  

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What are the components of feedback control system?

0 Answers  

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What is complex power?

1 Answers   DRDO,

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What is the function of the circuit breaker failure relay?

0 Answers  

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why generating voltages are of 11kv 33kv 22kv of 11 multiples

5 Answers  

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whay we transmit power in 3phase no in 4 or 2 or 5......etc?

4 Answers   CCCL,

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