Excellent responses, all...much appreciated. I think I can borrow a Honda-i genset with inverter technology. I'll cart that out for a test run; that should "illuminate" the situation.
Jolliness, Mick Abraham, Proprietor www.abrahamsolar.com Voice: 970-731-4675 On Thu, Aug 19, 2010 at 11:57 PM, R Ray Walters <r...@solarray.com> wrote: > Backwoods sells the buck boost transformers for a reasonable price. > I have to add belatedly that as bomb proof as the venerable DRs were, they > indeed never charged well from cruddy generators. I had one once that made > 0.5 amps at 12 volts DC. > The culprit as you already pointed out: Peak voltage was under 130 vac with > the genie loaded. A Fluke 87/89 can be set to capture peak, and is very > handy for diagnosing these DR/ genie ailments. > I've had a couple of systems add grid later, and amazingly the DR will > crank close to rated charging output when fed good pure sinewave. > It was designed as backup power for ongrid in the Dominican Republic (DR), > not genie power. > > R. Walters > r...@solarray.com > Solar Engineer > > > > > On Aug 19, 2010, at 7:29 PM, Allan Sindelar wrote: > > Sure, Jay, but what does one of those puppies cost (I have never used > one)? If the main reason for using a DR instead of a sine-wave inverter is > lower cost, adding a transformer to improve charge rate kind of negates any > argument for using one of these, doesn't it? > Allan > > On 8/19/2010 8:45 PM, jay peltz wrote: > > HI All, > > If the voltage from the generators is low ( probably) then a old trick is > to use a buck/boost transformer to bump it up the voltage. > This trick has the advantage that it doesn't have the hz be too high. > > yours, > > jay > > peltz power > > _______________________________________________ > > List sponsored by Home Power magazine > > List Address: RE-wrenches@lists.re-wrenches.org > > Options & 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 > > Options & 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 > > >
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