How we can calc. the Backup time of a battery Bank???

6 Answers   Emerson,

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why single induction motor is not self starter?

3 Answers  

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hi how are you? i m in walchand college of engg. do you have interest in join me through email so send your email id

0 Answers  

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after parallaing two generators current is shooting up in both the generators.for ex: load is 400 kw..after paralling and load sharing current in running gen is approx 900 amps and incoming is 750 amps which is too high when trying toshift the load current in incoming gen is coming more than 1300 amps and both getting tripped and making blackout..

3 Answers  

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why the transformer connected like STAR- STAR, DELTA- DELTA, STAR- DELTA, DELTA-STAR ...? why these connections ,,, explain the advantages these connections?

0 Answers  

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What is K-rated transformer? What is the use of it? What can be the size(pls provide calculation if possible) of K- factor transformer for 550kW,690V motor operating with drive (VFD)?

0 Answers  

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What is static frequency control used in gas turbines

1 Answers  

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Is there any question in the name of Static Switch in UPS??

0 Answers  

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DIFFERNCE BETWEEN DCS AND PLC? HOW IT WORKS?

0 Answers   Essar,

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How to determine alternating current frequency?

0 Answers  

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What is ac and dc drive.

1 Answers  

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THE 40 MW OF POWER FOR 220 V III PHASE POWER CONNECTION REQUIRES HOW MANY KVA POWEER REQUIREMENTS

7 Answers   Chartered Accountant,

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