Thanks all for your inputs. I will keep all these tips in mind and I'll give an update once I find out more.
On Sat, Jan 4, 2025 at 4:47 PM Dana Orzel via RE-wrenches < re-wrenches@lists.re-wrenches.org> wrote: > I’ve chimed in on this connection before I have an Onan 20 KW an analog > unit - 25 years old and I had it completely rebuilt prior to moving to > Idaho and then after a couple of years, the voltage got really unstable. I > dealt with ASAP they got me a they got me a replacement new not ORM voltage > regulator that has been absolutely perfect > Here is their phone number these guys were super super helpful. > > (717) 274-9396 > > Dana Orzel > C: 208.721.7003 > E- d...@solarwork.com > > On Jan 3, 2025, at 1:52 PM, Darryl Thayer via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > > > Here is my two cents I had a similar over voltage. It was caused by the > generator. It helped to put a load on the generator, I put on a 500 watt > resistance load, it helped but in the end the generator was replaced. Good > luck. > > On Fri, Jan 3, 2025, 8:17 AM Jim Gowdy via RE-wrenches < > re-wrenches@lists.re-wrenches.org> wrote: > >> Hi all, >> I need some help with a generator overvoltage troubleshoot. I'm >> working on an outback offgrid system that consists of 2 x Radian GS8048a, 1 >> x MATE3S controller, 1 x FM 80 charge controller, 1 x 55kw single phase >> propane AC cummins generator, about 4kw of solar *not sufficient enough to >> keep up with the load, and 24 x 4v Rolls batteries series/paralleled to >> make 48v. The generator was rebuilt and the batteries replaced about a >> year ago and since then, the generator has been faulting due to >> overvoltage. I had help and first found that the MATE needed calibrating >> so that was done, but the generator still was faulting. I found changing >> the AC Input Charging from 30a to 20a seemed to work. I put a power >> monitor on the generator output and found that, with the AC Input Charging >> set at 30a, noticed that there was a voltage spike up to 300+V at about a >> 70a draw. The generator company put a load bank on and verified the >> generator may not be at fault and the problem is after the generator. Has >> anyone encountered a problem like this and have suggestions? I've attached >> a PDF with a timeline of what I've done for troubleshooting so far. >> >> -- >> Jim with Gowdy Electric >> Cambria, Ca 93428 >> business 805 927 2630 >> cell 805 975 5279 >> _______________________________________________ >> 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 > > _______________________________________________ > 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 > > -- Jim with Gowdy Electric Cambria, Ca 93428 business 805 927 2630 cell 805 975 5279
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