How can calculate ups battery back up time?
- 25 Answers
- 163327 Views
- Cisco, Cooper, Pronet, Wipro, I also Faced
- E-Mail Answers
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 lag compensator?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
What are the material used for inductance coil?
Transformer diagram mention each parts ?
how is positive, negative, zero sequence is happen.. how is effect on 3 phase system
derive DC RMS value for half wave rectifier?
what happen as when voltage drop(or may decrease) ? in case of atomic base theory?
Name two types of electrical analogous for mechanical system.
how to decide no of electrodes for 1600A LT Main incomer panel
Explain Creepage Distance of Insulator
i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper
how braking & making capacity of circuit breaker are calculated?
Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.
What is the previous name of Cox's Bazar
What will happen if i replace a inductive proximity switch with photo sensor in a machine?
