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 .....

calculate multiplication factor of a trivector meter with line ct ratio 200/5A, line PT ratio 11000/110V and meter CT ratio 200/1A and meter pt Ratio 11000/110V.

4 Answers  

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what are the different kind of cables used for transmissions?

0 Answers  

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why the transformer primary terminal indicated by u,v,w.to technical reason

2 Answers   JNTUK,

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IF % IMPEDANCE OF A TRANSFORMER IS INCREASED FROM 5.8% TO 8% HOW MUCH THE EFFICIENCY OF THE TRANSFORMER WILL COME DOWN?

0 Answers   ABB,

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why does voltage generation at 11 kv?

2 Answers  

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Comparision of Air break circuit breaker, SF6 Circuit breaker and vacuum circuit breaker.

0 Answers   Reliance,

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why rating of transformer is in KVA but of motor is in KW

4 Answers  

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For 132 KV line, PT or CVT which is prefered for measuring & protection? is there any IS or IEE standard available?

1 Answers  

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What is the formula to find out cross sectional area of cable for certain current rating?

1 Answers   MRF,

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Inverter. converter. Ups.MCB.solar.alternators. motors.

0 Answers   Cisco,

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What happens when two positively charged material is placed together?

0 Answers  

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why transformer are rated in kva.

5 Answers   Dalkia, Nalco,

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