What do you use ups for?

pu1. I think you mean an interruptible power supply. It means an uninterruptible power supply. UPS refers to a device that allows the electrical device to continue to operate when power is not turned on. In the case of a computer server, if you turn it off suddenly, it can cause problems, so the UPS can supply some power and buy you time to turn off the computer safely in the meantime

2017-12-14

OK

pu2. In case of a power outage, it is a device that supplies electricity even for a short time, but the price becomes expensive in proportion to the floor capacity

2017-12-14

OK

pu3. A device that supplies electricity in the event of a power outage is called a UPS

2017-12-14

OK