while buying 30 kva on line ups for 1 phase ouput, we ave to calculate the number of batteries for 2 hours back up? how to calculate the ah rating and number of batteries

1 Answers  

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Make a list observation on Transformer?

0 Answers   HSL,

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what happen if any one phase of a slipring induction rotor winding is open?is it start or won't?

2 Answers   Aurobindo, Hetero,

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how current rating of l.t cable is find

2 Answers   GAIL,

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how i calculate the size in mm of the LT 4 core cable for 100 HP inductive motor pump

1 Answers  

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WHAT IS SYNCHRONISING?

8 Answers   L&T,

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when the control mechanism is present for an ammeter(1-10A) and 1A current is apllied what will be the reading of the meter?

2 Answers   GATE,

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

0 Answers  

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How good are you in resolving the commercial issues to Employer's advantage?

0 Answers  

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show me the diagram of three phase wiring and also tell me hoe to take the readings of megger testing

2 Answers  

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why efficiency of generator is greater than motor?

2 Answers  

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Why celing fans will rotate slowly after some days.?

2 Answers  

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