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 .....

how do u calculate CT rating for 10 mva transformer

2 Answers   Enercon,

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what is post close & pre close of trip circuit supervision relay in circuit breaker control scheme?

2 Answers   ABB, NEK, Power,

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what is intermediate switch

1 Answers  

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what is FACTS & where i can material regarding to facts.

2 Answers  

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why we use 25 kv in railway .not 11kv, or 33 kv

2 Answers   ISRO,

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What is difference between Over Current & Earth Fault protection?

0 Answers   ABC,

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what is open star connection or open delta.

1 Answers   ACC, Jindal,

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Size of the 60Hz and 400Hz transformers is a) same b) 60Hz Tr s larger than 400Hz Tr c) 400Hz Tr s larger than 60Hz Tr d) None of the above

5 Answers   Ecil,

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How we can design a cable for a 3phase load.

1 Answers  

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What are the disadvantges of leading power factor

5 Answers  

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why transformer rating is in KVA?

4 Answers   ABB,

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what is the relation between frequency and inductive reactance in a d.c supply?

2 Answers   L&T,

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