why would the rotor rotate at sub synchronous speed against the direction of rotating flux when d rotor of 3 phase IM is connected to 3 phase balanced supply and the stator windings are shortcircuited ??

0 Answers  

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what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.

0 Answers  

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How to the calculating the Reactive power ( kvar )

3 Answers  

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What is the maximum number of swithes that can be connected in series up to down stream point in an LV Distribution system?

0 Answers  

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In a star-star connected h.t transformer why we use NGR on the secondary (l.t)side.

3 Answers   Star, TATA,

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how to check regenerative load in drived motor

0 Answers   Hindustan Unilever Limited, NHPC,

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Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,

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why we use the 100% and 95% stator earth fault protection for the synchronus generator ?

0 Answers   Operational Energy Group,

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What is dynamo?How it works and what is the function of dynamo in a DG.

0 Answers  

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can we step up dc power using transformer?

15 Answers  

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What are the basic & Majour problems in UPS ?

0 Answers   Roto Power, RotoPower,

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what is the acb tripping & closing voltage.

2 Answers  

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