What will be the total current for 300kva UPS if it runs on 40 to 45 percent load. Is there any formula for to calculate the exact load.
4 18928How to calculate the ups battery back up? give the formula.
Cushman Wakefield, Ethio Telecom, Exide, MacLellan, Morgan Stanley, TATA,
15 110658Post New Electrical Engineering Questions
it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?
what is meant by twilight switches 7 where its applicable ?
what is the standard duration after failure EB power
How many types of circuit loads are there in a common electrical circuit?
Power factor =1.000 at factory in supply. However, PF = 0.8 at motor end. Current = 100 Amp, Voltage = 400 V. What is the power distribution loss? Can I reduce it by adding capacitor at the load feeder?
What are the specifications for getting approval of Substation?
what are the advantage and dis-advantage of 3 phase 4 wire energy meter?
at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?
List few applications of d.c series motor?
I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.
Dear all: Recently we got a question about Interface between PMS and SAP-PM.once we got a update message from PMS.we should set the deletional flag for functional location in SAP system.Is there any FM or BAPI to use?There are only functional location create and change provided by SAP. Best regards!
how power trnafor from 1 point to another point in bus bar ya transmission line( voltage trnasfer from 1 point to another poin)
Which do you think is the most significant cause of energy loss in a factory?
In the magnetic fluxes, what is the role of armature reaction?
mostly the questions were from machines... d.c. machines, transformer, synchronous and induction all theory paper........ few from power system... but the level of paper was easy.....