Is there such a frequency as 440v 50Hz?

1 Answers  

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Is it a better option to procure screw type air compressor rather than reciprocating air compressor?If so, what is the reason?How should we select an air compressor(100 CFM)? Please mention the important parameters of air compressor.

0 Answers  

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Why the ratation of fan is anticlockwise all over the world?

2 Answers   GNFC,

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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what is neutral voltage

3 Answers   Power Grid,

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can we conduct the swineburne's test on a dc series motor? why?

0 Answers  

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how many earthings will be required for 1 isolator & 2 VCB, which are connected to a 1600 KVA Distribution TRansformer?

2 Answers  

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WHY WE ARE DOING THE EARTHING IN A SYSTEM. SOME PEOPLE ARE TELLING FOR PROTECTION. WHAT PROTECTION GIVE ME THE CORRECT ANSWER.

2 Answers  

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How to calculate earth flat size for 250 Kva DG and transformer?

8 Answers   Deepak Fertilisers,

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Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

1 Answers   NTPC,

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how to protect motor in dol starter having capacity of 30 hp.40 hp?

0 Answers  

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What is power factof?

21 Answers   RRB,

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