That's a great idea and I will try that. I have thought that a 240v resistive load may not be the best test
On Fri, Jan 3, 2025 at 7:03 AM Jay via RE-wrenches < [email protected]> wrote: > The normal generator test uses resistive loads which are easy for the > voltage regulator. > > I’ve had success with problem generators by adding watts of resistive > loads, space heaters. > Worth a test. > Because this generator is so large, might take 5k or more of heaters. > > Jay > > On Jan 3, 2025, at 7:53 AM, Jim Gowdy via RE-wrenches < > [email protected]> wrote: > > > Thanks for that input, right now it's in Generator. I was advised to try > BACKUP, but the generator was running funny when I put it on that mode. I > will try that SUPPORT mode and see what happens. > > On Fri, Jan 3, 2025 at 6:34 AM Mac Lewis via RE-wrenches < > [email protected]> wrote: > >> What AC input mode are you using? I'd recommend trying various modes to >> see if it will go away. I tend to use the support mode with the most >> success. >> >> On Fri, Jan 3, 2025, 9:17 AM Jim Gowdy via RE-wrenches < >> [email protected]> 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: [email protected] >>> >>> 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/[email protected]/ >>> 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: [email protected] >> >> 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/[email protected]/ >> 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 > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > > List Address: [email protected] > > 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/[email protected]/ > 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: [email protected] > > 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/[email protected]/ > 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
_______________________________________________ List sponsored by Redwood Alliance Pay optional member dues here: http://re-wrenches.org List Address: [email protected] 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/[email protected]/ 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
