if we want to convert the two 12 V DC batteries in parallel for UPS ? what would be the result ? which is better for a UPS , connect two batteries in series or connect them in parallel ?

2 Answers  

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how to find out basic difference between ELCB,MCB AND RCCB on seeing the materials?

1 Answers   L&T,

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what is x'mer ,isolation x'mer & yltra-isolation x'mer?????

0 Answers  

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why DC is not generated instead of AC?

4 Answers  

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What is the meaning of TRI Vector meter?

7 Answers   ABB, Excel Power Switchgear,

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Purpose of providing neutral isolation panel for parallel operation of diesel generator

0 Answers  

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pls tell me about ups internal connection & we have given only 3 phase supply to ups system how get 4 wire (R Y B N )

0 Answers   Bhel, IBM,

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What happens to a line-frequency of high-frequency transformer when it is first energized/ re-energize?

0 Answers  

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i have 1500 kva generator how much maximum load avilable of use

1 Answers   Dr Reddys,

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What is George phenomena to start the synchronus machine?

0 Answers  

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wat is syncronization . wat parameter will take for syncronization.

2 Answers   IIT,

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Frequency of rotor emf in induction motor is around A same as stator frequency B 50% C 5 % or below D 30%

1 Answers   Bhel,

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