In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

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How would you supply power to a village which is very far from a sub-station and has only a 11kV line running near by?

3 Answers  

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what types of electrical & mechanical test conducted in switchyard?

0 Answers  

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Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

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What are the common sources of energy?

0 Answers  

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sir what is the minimun earth resistance value of an industial bit and grid bit ? and Why?

1 Answers   Kirloskar,

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what is power frequency withstand and impulse withstand of a circuit breaker?

2 Answers   Power Grid,

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How can you test the vector group of power transformers?

2 Answers  

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How to determine earth fault level to set relay for a normal distribution system of 11 kV , 100 A load????????

1 Answers   TCS,

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what is the acceptable value of TAN DELTA and dissipation factor for 11kV, 1.75HP Motor?.

0 Answers  

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What is the effect on power factor, shown by a trivector meter; incase of reverse phase sequence. If the power factor of a system is lag what meter will show in case of reverse phase sequence connected to the meter. and What in case of lead.

0 Answers   TATA,

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WHAT IS THE DIFFERENCE BETWEEN SHOP DRAWINGS/ DESIGN DRAWINGS AND AS BUILT DRAWINGS??

2 Answers   ACC, Al-Jaber, Dubai Group, ECEC,

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