engr_joni_ee
Advanced Member level 3
Hi,
There is a UPS 1 kVA having backup time 60 min. If the power factor of the UPS is 0.8 then it can support 800 watt load for 60 min, right ? What about if the load is reduced to 400 watt ? will it work for 120 min ?
There is a UPS 1 kVA having backup time 60 min. If the power factor of the UPS is 0.8 then it can support 800 watt load for 60 min, right ? What about if the load is reduced to 400 watt ? will it work for 120 min ?