How can calculate ups battery back up time?
Answer Posted / guest
As a thump rule,if we need 1 hrs backup from the 1 KVA UPS
12V/130AH is Required,For Example,10 KVA ON-Line
UPS,Battery-12V/65AH,26 nos.
BAck-up Time=Ah of the Battery*Total no of the
Battery/Output KVA*130
BAck-up Time=65*26/10*130
BAck-up Time=1.3
BAck-up Time=60~70 Mins(Approx)
Is This Answer Correct ? | 219 Yes | 147 No |
Post New Answer View All Answers
what is the use of static frequency converter and static excitation equipment? and where it is employed? for what?
How test for Ddo vector group test condition?
what causes contact chatter when there is no demand on the air conditioning unit?
explain all the classes with example
why ct's&pt'S out put called as burden,why compelsary short ckt the secondary of ct's while removing the burden?
What are different types of control systems?
which is the most advanced form of SF6 BREAKER?Can we use other gases to quench the arc?
What are the main advantages of bode plot?
what is efficient motors and how it is different from normal induction motors
What type interview questions ask in Electrical technicians
why tertiary winding is used in transformer with diagram?
What is measurement?
What is meant by Load Encroachment in OHL Feeder Protection?
Dry type transformers
Why Neutral Isolation is required?