Hi Mark, In stacked systems I've usually seen the inverters not charging the same amount. Seems like they should share the charge as well as load, but doesn't seem to be the case.
Was the unloaded one above the other? jay peltz power On Jun 21, 2010, at 2:39 PM, Mark Frye wrote: > Thanks Jay, > > This came up because I was looking at the summary on the Mate during charging > and it showed that one of the stacked slaves had 0.0kw charge power. > Strangely enough, the ac charge current showed 16 AAC. This is how I got on > the subject with tech support. They said that the 0.0 kw charge power was > perfectly normal because the charge controller was trying to reduce the > charge current by drop operation of one of the stacked inverters. > > I always figured that the slaved stack would rise and fall in unison to meet > the current demand. > > I do have them running at variuos "power save" levels so I suppose it is > possible that entire chargers are being dropped, but I thought that was only > for managing the on/search mode on larger stacks. > > I am guessing that this is more a matter of reporting errors in the mate. > > Mark Frye > Berkeley Solar Electric Systems > 303 Redbud Way > Nevada City, CA 95959 > (530) 401-8024 > www.berkeleysolar.com > > >
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