Answer / parameshwar reddy

180AH bATTERY IS REQUIRED.
IF IT IS 72W CONSUMED FAN IT WILL GIVE 30HRS. BACK UP

Answer / gaja

Baside on your required time for back up up to 15 Hours
the battery will get veries

Answer / jp

min 120AH/12V.
if we consider fan load = 72W, then it will run for 11 hrs.

what is Real power and Reactive power ? what is difference between them ?

5 Answers  

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why in three phase 440 circuit in all phase current is almost equal L1-35 A,L2-34 A ,L3-31 A but in nutral when i check with clamp meter it shows 25 A?

4 Answers   OPS,

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what is meant by HT&LT?

5 Answers  

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how can calculation ate Amps for cabel. Ex-for 1sqmm wire hou many amps we can draw

0 Answers   Videocon,

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how dc load convert to ac load

3 Answers   Sunpower Solutions,

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If the capacity of water Tank is 50000 Liters situated at 20 meters height from ground level,What would be the size of pipe and how much USGPH water will be supplied and what will be the motor or pump rating used for this work?Illustrate by showing formula?

1 Answers  

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Our transformer capacity is 500kva & voltage ratio is 11kv/433v step down tf.Now i need to know if my input voltage is 10500v and what would be the secondary side voltage i.e output voltage ?

3 Answers   Helma,

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When One Phase PT Missing (voltage drop ) this time current is zero of This phase(PT Missing Phase) and current is Not Zero of other Phase but PF is always Low That Why

0 Answers   HCL,

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i m in need of current rating chart of heavy duty pvc/xlpe, cu/al cables. can somebody provide me? if yes, plz send me at ashish_patel111@yahoo.com

0 Answers  

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why link is provided in neutral of an ac circuit and fuse in phase of ac circuit?

4 Answers  

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What is the source of dependent source ?

0 Answers  

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i purchase a microwave which is 50/60Hz but Current Setting 60Hz in my country we usually use 50hz, can i use AVR to solve my problem?

2 Answers   Samsung,

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