How to calculate the ups battery back up? give the formula.

15 Answers   Cushman Wakefield, Ethio Telecom, Exide, MacLellan, Morgan Stanley, TATA,

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which safety we have to take when we go for work?

2 Answers  

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hi frnds can any one help me ? plz send me placement paper of IOCL of Electrical streem .... plz send ....its urgent....

0 Answers  

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In how we connect watt meter for open & short circuit test of a single phase transformer.

2 Answers   Sail,

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In diesel generator how AVR get voltage to excitation. And basic diagram DG EXCITATION CIRCUIT.

0 Answers   Hyatt,

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what is diffrent of RCCB & MCCB

6 Answers  

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what is single turn and multiturn encoder ? Can single turn encoder be used to show rpm of a motor(on shaft) ? Plz explain in brief .abanirout@gmail.com

1 Answers  

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i have 3, 75hp motors and 10, 15 hp motors....and to run this motors continously with a generator how much rating(kva) of generator will suiteble....?

2 Answers  

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why surge protectetor work explain with the help of circut diagram?

0 Answers  

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how is the incoming cable size calculated for a given current rating of a panel??

0 Answers  

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we have 3.5MVA-11/6KV transformer. how can we calculate earth fault current and NGR calculation?

0 Answers   IGC,

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in dc shunt motor if field winding is shorted then

0 Answers  

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