Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


How to calcualte the total number of cells required for
particular UPS of some X KVA with 3 and 5 hours back-up?



How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 ..

Answer / maksoodazhar@gmail.com

24v×100ah= 2400 watt hr
Backup time = 2400/total load
= 2400watthr/1kva
= 2400/1000×.8
= 2400 watthr/800 watt
= 3 hr

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

If we need 4c× 50mm sq cable but it's not available so we can pull 4c×25mm sq two cables?

0 Answers  


what happens if number of poles in stator and rotor windins of slip ring induction motor are not same. Will it rotate near to the synchronus speed defined by stator?

1 Answers   GATE,


How to calculate Busbar Thickness for Different type of HT/LT panels

1 Answers  


what is the different between Switch & Circuit Breaker?

9 Answers  


Define conversion efficiency of a power amplifier.

0 Answers  


how to check the continuity of a cable with a megger

4 Answers   Metro,


Please tell me what is the difference between online UPS & OFF line UPS?

2 Answers   HAL,


I am completed DEEE in tamilnadu, now i am working in andhrapradesh with 2.5 year experience in relavent field. capacity of the tranformer is 11KV, 1MVA Transformer, i am eligible for getting c licence in andhrapradesh pl help me.

0 Answers  


my question is Megger of cable insulation or swgr board meggerring some values in one day 50mohms,some other day checking different values(20Mohms). this tell that some person tell that that values ok. how to identify the megger value is correct. pls tell me the answer.

2 Answers  


Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry

0 Answers  


send me the upsc conventional papers of 2006

1 Answers   Juniper Networks, Siemens,


if a 3 phase induction stator has charactristic plate and have on winding inside.with the calculation of plate or dimenssion of core how one can desinge rewinding drawing.

0 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5086)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4453)
  • Electrical Engineering Interview Questions Electrical Engineering (16638)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)