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Sine wave inverter/charger for small solar backup system | 18 comments (18 topical, editorial)
Re: Sine wave inverter/charger for small solar bac (3.00 / 0) (#10)
by DanG on Sun May 11th, 2008 at 06:13:55 PM MST
(User Info)

Xantrex makes a Quasi-Sine Inverter - uses little steps to approximate the sine wave and varies steps from 18 to 36 depending on loading though the Quasi-MSW may not play nicely with some electronics or appliances with electronic heat or speed control, or clocks off AC signal... The thing is they are up to 95% efficient with minimal idle waste where the Prosine unit has some serious losses.

There should be some decent 6-8-10-year-old Xantrex SW2524 or SW4024 (or plus models) popping up on eBay for a good price. And buying used they have low depreciation, the core value will stay nearly the same or even increase as copper, man'f and shipping costs increase with the current economy...



Re: Sine wave inverter/charger for small solar bac (3.00 / 0) (#17)
by BigBreaker on Tue May 13th, 2008 at 08:19:05 AM MST
(User Info)

That quasi sine inverter sounds interesting.  It might be better to go with something like that and put an individual filter on the appliances that need a cleaner waveform.

[ Parent ]


Sine wave inverter/charger for small solar backup system | 18 comments (18 topical, 0 editorial)

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