What is the allowalable frequency variation in India and in US? Why there is the difference?

3 Answers  

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why motor rating in kw?

3 Answers  

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what are the basic insulation levels & what its Unit

0 Answers  

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Do anyone know how can I calculate earthing for substation or do anyone know any software which I can use for this case

1 Answers  

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sir please send me techinical questions for junior engineer posting in bangalore railway i am diploma holder

0 Answers   RRB,

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what is appearent power?

3 Answers  

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When a fourth resistor is connected in series with three resistors, the total resistance

1 Answers   ITI,

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What is the formula for calculating impedance of transformers connected parallel at fault level 50KA?

0 Answers  

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comparision between ACB and VCB

0 Answers   Lupin,

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is KVAR (not reverse power) relay necessary to protect from excitor field failure on a brushless, synchroneus generator? Some people with previos experince tell me no but the manufacturers tell me it is designed for that purpose. Is it that it is only necessary for brushless generators and not the older style with the slip rings and brushes?

1 Answers  

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why do we use star-delta starter. what is its need?

6 Answers  

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Explain the advantages of the wheatstone bridge method of measuring resistance?

7 Answers  

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