What is the working principle of VFD

3 Answers   HCL,

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should Dy11 and Dy1 group can be operated in parallel??????

1 Answers  

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What is the maximum load an electric engine can pull??

3 Answers   Oil India,

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I have a 5KVA UPS. Total load to be connected almost 3KW. Ordering a battery pack with capacity of 1920VAh. How long will the backup time be?

1 Answers  

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What do you mean by a phase angel of instrument transformer?

0 Answers  

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How to the calculating the Reactive power ( kvar )

3 Answers  

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what are types of servo motors

1 Answers  

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how many earthing should give for transformer body and nuetral

5 Answers   GMR, GOMS,

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For a spring controlled governer the relation F = ar+b (F is the controlling force, r is the radius of rotation a and b are constants), indicates that the governer is

0 Answers   Caterpillar,

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why we are using star connection and delta connection? difference?

5 Answers  

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Enlist four components of electrive drives.

0 Answers  

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

6 Answers  

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