Hi, In a battery based system, an under-performing PV array is more of a stressor on the battery than on the inverter. An indirect effect may be that the battery slumps along at a lower voltage, then when the inverter is called upon to deliver power it must hog more DC amps--at that lower voltage. Ohm's law would suggest that to create more heat--and heat is an enemy of all power electronics.
If the same wattage were drawn from a battery at a higher voltage, that would be lower amps and lower I2R (I squared R) losses/ lower heat generation. Jolliness, Mick Abraham, Proprietor www.abrahamsolar.com Voice: 970-731-4675 On Wed, Nov 3, 2010 at 2:29 AM, benn kilburn <b...@daystarsolar.ca> wrote: > Everyone, Thanks for the feedback. > Allan kinda nailed it with his first comment about the catch-22. A few > stand-out factors aside, i guess it could fail tomorrow or in 30 years. > > The DR2424 is installed in a clean, dry, open area, although I never > thought to ask if it was used in the construction of the round straw bale > home. > It is possible. > > Can a poorly wired PV array (loose connections) have an effect on the > inverter? This will be fixed when we move the array to a pole mount. > > benn > DayStar Renewable Energy Inc. > b...@daystarsolar.ca > 780-906-7807 > HAVE A SUNNY DAY > > _______________________________________________ > 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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