HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS
KVA RATING?

Answers were Sorted based on User's Feedback



HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?..

Answer / k.prakashchandra

Battery back up time depends on actual/real load in KW ,not
the KVA rating of the UPS.

Is This Answer Correct ?    3 Yes 0 No

HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?..

Answer / anand

Battery back up time depending laod.backup is inversly
preportional to load.

Is This Answer Correct ?    1 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

i have 500 amp inductive load of motors ,,,pleas tell me how can i calculate for capacitor bank for improving my power factor to 99 .....calcullations for capacitor bank,,,,

0 Answers  


HOW TO SELECT THE COPPER CABLE SIZES OF MOTORS,TRANSFORMERS?

0 Answers   Eastern Produce,


Instead of single phase(220), if apply Phase to phase supply (eg: for lighting fixture). what will be the power formula? what will be the volt and current value? please explain me with some example.

1 Answers  


in indoor type circuit breakers why only the corner breaker trips specially during cold season. What is the reason.

0 Answers  


present we are having 0.8pf but I want increase it up to 0.99 so what is the formula for it and how can i calculate?

3 Answers   ABB,






What is the unit of charge and current?

0 Answers  


How can we calculate earth mat conductor size ..? & give the formula to determine earth conductor size?

3 Answers  


What is TR of AC?

11 Answers   Carrier, Reliance,


what questions are asked in the interview for the post of an electrical maintenance engineer in FMCG companies?

0 Answers  


Which type of DG need Netral Earthing?

1 Answers   Hyundai,


In aerodynamic turbines which element is NOT there a.stator b.compressor c. Fuel intake system d.fans

0 Answers  


why grid frequency varry time to time?

2 Answers  


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • 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)