Sounds like an old SMUD unit used in the Sacramento Municipal Utility District in the mid 90's.
I don't remember exactly what the maximum input (would-be battery) voltage they allowed but basically hook the PV array to the battery terminals and software would mppt it for maximum power.
I seem to remember that instead of a battery, it used a big can capacitor across the battery terminals in addition to the PV.
Sam Vanderhoof probably remembers better than anybody. He's on the Facebook Solar Pioneers group hosted by Jeff Spies. There might be someone on the Trace OutBack users FB group that Dan mentioned but Sam would
be a sure shot for sure. Probably. Be careful, everybody. 😁 🌜boB🌛 On 7/1/2024 9:12 PM, David Coale via RE-wrenches wrote:
Hi Wrenchers, I am trying to get an old Trace SW5548PV inverter system up and running again. This inverter is gird tied only and does not have any batteries. While I am familiar with the battery based systems, I am not familiar with this system and the menus quite are different. Right now, the inverter will blink the line-tie LED, then try to connect, the LED stops blinking, but the inverter LED does not come on and no power is produced. I want to make sure I understand the settings and make sure they are correct before I decide to recommend a new complete system. I have searched on-line for this manual but have not been able to find the PV only version of this SW inverter. Thanks, David _______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: RE-wrenches@lists.re-wrenches.org Change listserver email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org There are two list archives for searching. When one doesn't work, try the other: https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/ http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: http://www.re-wrenches.org/etiquette.htm Check out or update participant bios: http://www.members.re-wrenches.org
