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What are the Formula of computing Back up Time of 500kVA UPS with 4 Battery Banks, each bank composed of 43 pcs of Batteries 12V150Ah. How to compute the Back up Time of UPS? We have also 3X500kVA UPS running in Parallel same composition as I write above.
1303my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking
1300What is difference between insulating medium and fault current interruption medium in a switching device.
1609What will happen if the armature resistance is in minimum position and the field resistance is in maximum position while starting the motor
Viva,
1523what is the size of ht cable of 33kv ht line and transformers ratings are 1 Mva and 5mva.please send formula also.
1407Post New Electrical Engineering Questions
When lag/lead/lag-lead compensation is employed?
Write the force balance equation of m ideal mass element.
In a synchronous motor. if start is running at high speed. What will be the starting torque : Higher Lower Zero
What do you mean by Stimulastion Test in Diesel Genarator / Why & when it's conducted ?
What is icu and ics in Acb and how many time icu or ics passes from breaker?
how does a submersible pump work..?
How to protect sensitive loads such as Dosing pumps inside a factory from voltage surge/voltage fluctuation.
Explain the method to keep noises low in a control system?
what is relay what is protection & contact multiplying relays where it is used function in brief
What is meant by impedance? difference between high & low impedance ?
How does zener phenomenon differ from avalanche breakdown?
What is the meaning of dedicated earthing?
How to select cable the size, what is the parameters use and what is the formulas use for this cable size calculation?
what are all types of cross section in AC cables?
How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?
