Control By Web for the win! 100% reliable and easy to configure. On Sat, Feb 22, 2025 at 2:03 PM William Miller via RE-wrenches < [email protected]> wrote:
> Dan: > > > > The application is an off-grid animal rescue facility with a requirement > for high reliability. We recently acquired a second generator and a Kohler > RDT transfer switch. The RDT will automatically transfer to either of two > inputs based on where AC is detected. However the RDT logic is not capable > of transferring the start signal if one generator fails to start. > > > > I looked at the Atkinson web site but I did not see anything that was > quite right. It may be that they can create something but then I would > miss out on that part of the fun. > > > > It’s easy to overlook how complicated it is starting an internal > combustion engine. You have to crank until the engine starts, you can’t > crank too long, you need to try multiple times, etc. This is why the Trace > SW 3-wire start circuitry was so amazing. > > > > I sketched out an electro-mechanical solution but I soon realized the > logic was a bit too complicated. The inverter will want to attempt the > start multiple times before giving up. I’d like to do the same and then > switch to starting the second generator after maybe 3 failed attempts at > starting Gen 1. It seems I need to code some kind of script to execute > this logic. This is where the Control by Web solution seems to be the best > fit. I have used their products and they are excellent. > > > > If others are interested I can post back when I crack this nut. > > > > Thanks everyone for your collective wisdom and comradery! > > > > William Miller > > > > Miller Solar > > 17395 Oak Road, Atascadero, CA 93422 > > 805-438-5600 > > www.millersolar.com > > CA Lic. 773985 > > > > > > *From:* Dan Fink [mailto:[email protected]] > *Sent:* Saturday, February 22, 2025 9:07 AM > *To:* [email protected]; RE-wrenches > *Subject:* Re: [RE-wrenches] Generator failure alarm > > > > William - have you talked to Atkinson in Utah? Last time I talked to them > they could configure just about anything for such applications. > > Dan Fink > > Owner, Buckville Energy Consulting LLC > > IREC Certified Instructor for PV and Small Wind Installation > > NABCEP Certified PV System Inspector > > NABCEP PV Associate > > d <[email protected]>[email protected] > > 970-672-4342 > > > > > > > > > On Fri, Feb 21, 2025 at 1:54 PM William Miller via RE-wrenches < > [email protected]> wrote: > > Colleagues: > > > > Is anyone aware of an off-the-shelf device that will give me a contact > closure if a generator is called and does not produce AC after a set amount > of time? I am sure I could design and build one but before I do I’d like > to see if there is a ready-made version. > > > > I hope I am not making a pest of myself asking so many questions… > > > > Thanks in advance. > > > > William Miller > > _______________________________________________ > 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 > >
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