how can we run the induction motor at 9000 rpm ,by keeping frequency constant??

2 Answers  

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PLZ EXPLIN ABOUT CLASS PS CLASS CT .WHY THEY R DESINED AND FOR WHAT PURPOSE?WHY OTHER CT CANT BE USED AS PS CLASS CT? EXPLAIN IN SIMPLE LAUNGAGE IF POSSIBLE PLZ GIVE CIRCIT DIAGRAM?EMAIL-RAJ_SINGH_0376@SIFY.COM

0 Answers   ABB,

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STATE AND EXPLAIN SUPER POSITION THEOREM.

3 Answers   ABB,

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There is 15 KVA UPS using for single phase load.And 30 batteries of 12 V, 100 Ah are connected in series. Load is taking 15 A current.What will be the back up power for this UPS on same load?

1 Answers   BS, Dynamic Software,

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Types of 132KV and 222 KV protection.

1 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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If we connect the capacitor banks for DG set for maintainig the power factor, it will effect to alternator windings??????????

7 Answers  

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what are fluorescent lamps (fluorescent fixtures) & what are incandescen lamps (incandescents fixtures) ? differences between these two ?

1 Answers  

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why we provided electrical earthing?

5 Answers   CPCL,

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how the high voltages are produced?and what it causes?

4 Answers  

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what is the earth resistance

4 Answers   Micron Electricals,

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Why ideally the internal resistance of voltmeter should be infinite and of an ammeter be zero

2 Answers  

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