hi all 1) I have a 97kW system that just hit 95kW peak, which surprised me. 2) Overloading the inverter, I was told that slight over load is OK and that if you overload up to 25% you will not have any significant annual loss. If this is not correct please up date me. DT
--- On Tue, 4/14/09, Bill Brooks <billbroo...@yahoo.com> wrote: > From: Bill Brooks <billbroo...@yahoo.com> > Subject: Re: [RE-wrenches] Sanyo Semi-facial > To: "'RE-wrenches'" <re-wrenches@lists.re-wrenches.org> > Date: Tuesday, April 14, 2009, 8:54 PM > Doug, > > That is why I made the comment that their panels tend to be > underrated (a > good and rare thing). One of the reasons is due to the > article that Joel > posted a link to earlier (the Japanese govt. hammered them > for overrating). > The product has not been on the market (or even in > existence) long enough to > know whether or not it has a major drop off in power down > the road. However, > it is a large, reputable company, so the risk of buying > their product is > dramatically less than many other new-style technologies > coming to the > market. If their product fails, you are likely to be taken > care of. That is > a lot more than you can say for the majority of newcomers > to our industry. > > Bill. > > > -----Original Message----- > From: re-wrenches-boun...@lists.re-wrenches.org > [mailto:re-wrenches-boun...@lists.re-wrenches.org] On > Behalf Of Doug Wells > Sent: Tuesday, April 14, 2009 5:58 PM > To: RE-wrenches@lists.re-wrenches.org > Subject: Re: [RE-wrenches] Sanyo Bi-facial > > Bill, > > I am not going to go off about Sanyo modules, especially > the bifacial > brand. However I will say this. > I have installed a lot of residential systems with their > panels. I > installed a system at a retired engineers home last summer > and he is > keeping very close records of production. We are commonly > seeing > production which is at or above nameplate rating ON THE AC > SIDE. A > 3.6 kW array is producing 3400 to 4,000 watts AC on cold > sunny days. > This is not the norm in PV production in my opinion. > This brings up 2 questions for me > 1. Why the hell are very intelligent engineers > overloading > inverters > with DC production. I know the easy answer is Nameplate DC > rating for > incentive programs. > 2. Is the multi-junction Amorphous approach all pumped up > the first > > 5 years and then going to let go in year 18? > > Thoughts experience? Can't deny the early production > in VT. > > Doug Wells > The Solar Specialists > Morrisville, VT 05661 > (p) 802-223-7014 > (c) 802-498-5856 > www.thesolarspecialists.com > > _______________________________________________ > 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
