If the problem is capacitive, it ought to be possible to fit a high resistance conductor between ground and the center point of the arrays to discharge the capacitive charge without affecting power performance.
On Wed, Mar 26, 2014 at 6:13 AM, Glenn Burt <glenn.b...@glbcc.com> wrote: > I wonder if it is the capacitive charge common on larger arrays that is > seen as a problem. > ------------------------------ > From: Jeff Irish <j...@hudsonsolar.com> > Sent: 3/25/2014 21:33 > > To: RE-wrenches <re-wrenches@lists.re-wrenches.org> > Subject: Re: [RE-wrenches] Unusual problem with SMA TL inverter on metal > roof > > August, > > We're seeing multiple inverters with the same error, and not getting the > best of answers or support from SMA on fixing the problem so far. And this > is not a metal roof; it's PanelClaw on EPDM. > > Jeff Irish > Hudson Solar > ------------------------------ > *From:* re-wrenches-boun...@lists.re-wrenches.org [ > re-wrenches-boun...@lists.re-wrenches.org] on behalf of August Goers [ > aug...@luminalt.com] > *Sent:* Tuesday, March 25, 2014 8:41 PM > *To:* RE-wrenches > *Subject:* Re: [RE-wrenches] Unusual problem with SMA TL inverter on > metal roof > > Hi Marco, > > > > Did you ever make any progress on this issue? We're having an interesting > issue with one of the new Sunny Tri-Power inverters (a 24 kW unit in this > case) where we get an error "residual current too high." We've only done a > little troubleshooting so far but I don't think we have a ground fault. > > > > Best, > > > > August > > > > Luminalt > > > > *From:* re-wrenches-boun...@lists.re-wrenches.org [mailto: > re-wrenches-boun...@lists.re-wrenches.org] *On Behalf Of *Marco > Mangelsdorf > *Sent:* Friday, March 14, 2014 9:56 AM > *To:* 'RE-wrenches' > *Subject:* Re: [RE-wrenches] Unusual problem with SMA TL inverter on > metal roof > > > > Probably not. > > > > *From:* re-wrenches-boun...@lists.re-wrenches.org [ > mailto:re-wrenches-boun...@lists.re-wrenches.org<re-wrenches-boun...@lists.re-wrenches.org>] > *On Behalf Of *RE Ellison > *Sent:* Friday, March 14, 2014 1:24 AM > *To:* 'RE-wrenches' > *Subject:* Re: [RE-wrenches] Unusual problem with SMA TL inverter on > metal roof > > > > Is the metal roof grounded? Just a fast thought. > > > > bob > > > > *From:* re-wrenches-boun...@lists.re-wrenches.org [ > mailto:re-wrenches-boun...@lists.re-wrenches.org<re-wrenches-boun...@lists.re-wrenches.org>] > *On Behalf Of *Marco Mangelsdorf > *Sent:* Thursday, March 13, 2014 10:31 PM > *To:* 'RE-wrenches' > *Subject:* [RE-wrenches] Unusual problem with SMA TL inverter on metal > roof > > > > Friends, > > [The entire original message is not included.] > > _______________________________________________ > 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 > > > -- Chris Mason President, Comet Systems Ltd www.cometenergysystems.com Cell: 264.235.5670 Skype: netconcepts
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