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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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

0 Answers  

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what are upstream faults and downstream faults in power system

2 Answers   Sreetech,

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the typical output of a solar cell is........

0 Answers  

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why we use taping of transformer on HT side?

4 Answers  

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How to set the relay,,??

0 Answers   Megatron Solutions, Nestle,

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a 11 kv line is grounded and a 110 kv line is grounded. which line have the greater current flow?

4 Answers  

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hw to calculate flc of motor ? data are:3-phase,50Hz,30kw

6 Answers   BRG, Reliance,

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Why power genaration in India is at 50HZ while America its 60HZ

0 Answers   TATA,

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Practical applications of series connected resistances? 

1 Answers  

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How the electric train gets the supply of electricity? What is the return path of the current?

7 Answers   NTPC,

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I WANT HOW CALCULATE TO CABLE FOR WELDING PLANT ?

0 Answers  

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