How to calculate multiplication factor in kva example 500kva ans pls ?

0 Answers  

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How will I know that how many batteries I should connect to my UPS unit?

3 Answers  

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Why use only DC supply to charge batteries why not AC Supply??

3 Answers   APC, Emerson,

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is there any difference between inverter and a battery

2 Answers   Cummins,

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how to read idmt curva

0 Answers  

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if a 3 point starter is not available, how can a dc motor be started?

3 Answers   Accenture, BIT, Techno Solutions,

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A dc motor running on dc drive whose input is 3ph AC what will happen if we change the phase sequence of dc drive for e.g (R Y B) is connect as R B Y, will the motor run as same as previously running before changing phase without any effect

4 Answers  

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how to select electronic timer(Star-Delta) setting for diff. rating motors

0 Answers   Getrag Ford Transmissions,

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For example, if I use Star delta transformer for distribution, Can I Connect 230 V lighting load bewteen secondary phase & primary neutarl. What will be the effect, if I connect in this manner?

2 Answers  

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In DC current-excitation to transformer, why it sucks more current? Eventhough there is no power transfer between primary and secondary? R is very low so it should suck less current only na thn y its current increases?

2 Answers   Cairn,

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what is neutral plane shift?

1 Answers  

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How to use computer cpu ups use for home inverter circuit board

0 Answers  

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