How can calculate ups battery back up time?
Answer Posted / sss
UPS Backup=Battery Voltage*Battery Ah/Load (watt)
| Is This Answer Correct ? | 98 Yes | 47 No |
Post New Answer View All Answers
to hook up ten 50 amp rv pedastels at a lenth of 600 feet from the service what size will my service need to be and the size of wire will I have to run to each pedastel in series??????
Is it good to short Neutral and Ground in the PLC or DCS main Power supply. Pls give YES or NO with reasons...? Simarpreet
What is meant by harmonic distortion?
how braking & making capacity of circuit breaker is calculated?
what is the voltage between earth to neutral in lift.
Define average demand?
which connection is safer series or parallel?usually which connection we prefer at home?
what is the difference between interconnection and intraconnections in the circuit diagrams
what are factors comes under relay setting (distance relay 7sa52) under OPEN DELTA VTs connection??
As we know diode work on both negative and positive but converting ac into DC we have to given a/c from negative of diode or positive side.please give me answer.
How many energy meters can be connected on a 15VA Voltage transformer. please send a calculation sheet.
How to calculate no of EARTH PIT? Describe the formula as per IS standard?
What is the rating of circuit breaker needed for 300 KVA load in 33 KV supply line in a transformer of 33 KV / 415 Volt ?
How to calculate the copper in HT motors if KW, RPM & Voltage is given
how can found motors folt current ? how can disided circuit breakers caoicity and breaking capicity ?