what is cogging and crawling

0 Answers   Suzlon,

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what is power factor? is it good or bad for a system? what will happen if power factor increase or decrease?

4 Answers   Bhel,

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In an ammeter used for measurement of current, what is the meaning of the representation of range as '0-50-300'?

4 Answers  

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What is excitation?

2 Answers  

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Why the transformers are rated in KVA ? in new view

3 Answers  

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can we light the mercury vapour (tube light)with out a 1).starter and 2).choke in our homes if yes explain how?

5 Answers  

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What is the advantage and disadvantage of dry type transformer?

5 Answers   Bhel,

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Why AC current leads voltage in capacitor and how?

0 Answers   BMB,

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Genreally distribution transformers are having Star/delta connections to provide phase and neutral to the consumers. Is the neutral of the star conncted secondary grounded in these transformers?

1 Answers  

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Why using synchronising methed in DG's sets?

0 Answers   Juniper Networks,

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I have one ct of ratio 3000-2000/1 Amp its knee point voltage mentioned on name plate is 500-333/30mA-50mA at Vk/2. in secondary box there is three terminal named 1S1, 1S2, 1S3 then on which terminal obtained the knee point voltage ie 1S1-1S2 OR 1S1-1S3 & also specify the knee point voltage for the ratio 3000 from name plate.

0 Answers  

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if a single phase 3 hp submersible pump of Crompton Greaves is moving in reverse direction and sometimes it moves in rigth direction ,then what may be the cause....

2 Answers   Crompton Greaves,

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