How to find synchronous motor speed formula Ns=120f/P ?....

2 Answers   Cranedge,

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How to select the releases for MCCB ?

1 Answers  

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WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

0 Answers   IBM,

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what is cathodic protaction?

0 Answers  

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Why should we use the igniter in the sodium vapour lamp.

7 Answers   ABB, Delphi, Mudhra, NTPC, PICT,

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there are a transformer and a motor. both are connected to 3phase, 415 Volt, 50Hz power supply. Both are working with induction principles. Then, why, motor is rotating and transformer is not rotating.

8 Answers  

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From stability point of view,What(higher/lower) should be the value of inertia constant of rotating machines?

1 Answers  

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Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

0 Answers   NTPC,

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In one village i have seen Earthing transformer's earthing line was also connected to the Transformer body to ground the transformer,can it be possible to maintain 0Volt reutral line this way?

2 Answers  

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why energy storing capacity of magnetic field is much higher than electric field ?

1 Answers  

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What is the difference between Rectifier & Converter?

12 Answers   Bajaj,

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HOW MUCH KVA DG SET REQUIRED for charging 12v 4000 ah battery?

3 Answers  

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