what is the formula to find battery back up of ups?

3 Answers  

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what is RFCT and Insulgard Relay & It's function?

0 Answers  

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What is power focter ?

6 Answers  

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For a DY11 lighting Transformer on primary side whee to connect fourth lead? from nuetral or from ground?

3 Answers   Sabic,

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what is the difference b/w pvc cu conductor and cu breaded wire..?

1 Answers  

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how to claculate earth strip size for 1500kVA transformer for neutral and body

4 Answers  

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What will happen if " not connecting the neutral point to ground of diesel generator output (380 V)", also if someone touched one phase without isolation from ground during the A/M condition what will happen to him?

3 Answers  

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What is a soft start?

4 Answers  

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How to improve insulation resistance of Motor

2 Answers  

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6.6 KV /.415KV Step down trf. we can get 6.6 KV from primary by applying .415 KV secondary side by same TRF.

3 Answers   Suzlon,

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

5 Answers  

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FEINGING DECREASES THE FLUX DENSITY IN THE AIR GAP. HOW?

0 Answers  

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