Brendan Kirby wrote: > I have been looking for a 120VDC to 120VAC ~2kW inverter to add to my > truck without much luck. I would have thought that it would be cheaper > to build one that uses 120 VDC than one that uses 12 VDC though the > market is smaller so no production volume discount.
They are easier and cheaper to build *IF* you want a non-isolated output. As soon as you go to an isolated output, then input and output voltage don't matter much -- any combination is about the same price, all things being equal. The problem with a 120vdc input is that there isn't much demand. Thus they are hard to find, and tend to be disproportionately expensive due to lower production volumes. Exeltech <http://www.exeltech.com/> makes hight voltage input inverters. Their XP and MX series both can be ordered with 108vdc (95-149vdc) inputs. The biggest XP inverter is 1100 watts (2200 watts peak). The MX series is modular; you can add as many modules as you want to get any power level. But they are isolated, full sinewave, and expensive! -- Lee A. Hart Ring the bells that still can ring 814 8th Ave. N. Forget your perfect offering Sartell, MN 56377 USA There is a crack in everything leeahart_at_earthlink.net That's how the light gets in - Leonard Cohen
