sinewave

The electricity which comes to your home, your AC supply is a pure sinusoid wave. But there are two types of UPS in the market: 1) Pure Sinewave UPS: which produce pure sinusoid AC. 2) Stepped Sinewave UPS or Modified Sinewave UPS: which produce an 'approximate' sinusoid AC. Power Factor...

Hi all. I have these devices that need to be protected from power cuts and brownouts: 42" LED-backit LCD - max. 85W BD player - 9W Tata Sky STB - 25W ADSL modem and router - 10W So all in all, 130W. Now, I had read that pure sinewave UPSes are better for setups involving PSUs, fans...