We have a nice old Tripp-Lite inverter in the attic somewhere here that would be a *great* baseline of square wave from which to compare any sort of "modified" square wave! Oh sorry, they now call it modified "sine" wave. My bad.
Dan Fink, Executive Director; Otherpower Buckville Energy Consulting Buckville Publications LLC NABCEP / IREC accredited Continuing Education Providers 970.672.4342 On Wed, Mar 13, 2013 at 12:14 PM, Larry Crutcher, Starlight Solar Power Systems <la...@starlightsolar.com> wrote: > Hi Ray, > > Since you have no budget for sine wave, the best, low cost modified square > wave we have sold is the GoPower GP-300W. We sell it in our retail store for > $39. > > Actually that statement needs to be qualified; the BEST mod. square wave > inverter we have ever sold/installed was the Powerstar 1300. It could EASILY > start an RV roof air conditioner. Those were great inverters. > > Thank you, > > Larry Crutcher > Starlight Solar Power Systems > > P.S. You don't really believe there is such a thing as a "modified sine > wave", do you? > > > > > > On Mar 13, 2013, at 9:01 AM, Ray Walters wrote: > > Hi Guys; > > I have a project that will need multiple small battery based inverters. Each > one will only be running a 100 w max. computer power supply, so there are no > significant surges, and modsine will be fine (most small UPS systems only > put out modsine) Avg load will be 20 watts. > I know these little devils are sold everywhere from Walmart to Autozone, but > what brand holds up to moderate use? > Has anybody tried AIMs inverters? > Cost is an issue, budget can't afford a Magnum 600, or other transformer > based model, but reliability is most important. I'm planning on oversizing > it substantially, I figure I would start with something at at least 400 w > cont rating, just to make sure. I had an old no name 1500 w inverter on our > work truck that we took in on trade, and it actually ran a circular saw. We > tried to burn it out and never did. > UL listing is not an issue, as these will be very small stand alone systems > not requiring AHJs or permits. > > Thanks in advance as always, > > -- > R.Ray Walters > CTO, Solarray, Inc > Nabcep Certified, Licensed Contractor > 808 269-7491 > _______________________________________________ > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > _______________________________________________ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Change email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org