What are the usege & different between UPS & batteries with charging system in in Substation?( UPS 120V AC & battery charger is 120v DC)

1 Answers  

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what is the difference between synchronization and paralleling?

13 Answers   BARC,

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if our motor load is 150 amp v- kv and we want to install capacitor bank then what is the exact value of that capacitor bank that we should install?and how we calculate that

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wich types of current?

2 Answers  

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If we are given a 10 amp cable type and asked to calculate the number of cores used and the thickness of the cable, how do we do it?? please help...urgent!! i hope the question is clear enough!!

0 Answers  

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which pump used in WTP explain the function of VFD how to dtermine capacitorbank of capacity one plant

0 Answers   Dalkia,

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Why arc quenching is used in Diode ?

0 Answers  

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why we are useing capciter in EB meter?

2 Answers  

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Difference of induction motor & servo motor ??

0 Answers   Macpower CNC Machines,

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All we know about T/R, Is it possible to make T/R primery singlr phase and secondery three phase,If it then how?... Need Description

1 Answers  

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What is a commutator?

0 Answers  

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what is the working of ups.

7 Answers  

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