How to know the back up time for a 5KVA UPS which is connected to 15 nos. of computers? Is there any formula for this? pls. tell me.

1 Answers   HAL,

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How to design the blower for motor? how to two blowers connected in motor?

1 Answers   Ashok Leyland, TATA,

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internally connection of photvoltic module

0 Answers  

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Why the earth terminal pin is larger than phase and neutral in three pin plug top>

8 Answers   TVS,

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Expand sqcm?

2 Answers   UltraTech,

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What is the function of lead sheath?

2 Answers  

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3phase lt motor winding how to checking with megger

1 Answers  

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What is Mvar?how significant is in electrical energy transmission?

2 Answers   Areva,

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What is contract demand in solar system?

0 Answers  

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is there any difference between protection C.T and measuring C.T?if yes then what is the difference?

4 Answers   BARC, Century Rayon,

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A motor works on 30kw.it is working on 440volts.How much amper will be Required?

7 Answers  

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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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