Why soda is added with water in Lrs of Sliipring motor…to Increase or decrease resistance of water?

1 Answers  

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How open delta used for protection?

4 Answers  

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Hi to all... I Want Weight Details of the alternator for making free power energy.

0 Answers   ME,

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How to identify Motor leads in their order coming out from winding without tag (U1, V1, W1 & U2, V2, W2)?

6 Answers   ABB,

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I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

0 Answers   Power Grid,

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If my sfu is 64 Amp & its link is 32 Amp then at what amp.my sfu will trip???

2 Answers  

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why swityard is necessrry requirement in any bis power distributin systems?

0 Answers  

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what will happen if any motor runs long time with star connection in400vA.C. system

5 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

0 Answers   MTN,

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in transformers for ex. 100mva and 400kv the secondary current is about 420 amps but for selection of bushing the capacity of selected bushing is 2000A why there is such big difference ?

2 Answers   ABB,

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how capacitor active and reactive.

1 Answers   Birla,

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During Load testing of battery charger with temporary AC Generator .When reach 70% load Generator immediately shutdown .we could not able to Recognize ,what is exactly problem .Please kindly clarify us

1 Answers  

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