Thanks Michael, Thats what I wanted to confirm.
For some reason the engineer on this project is in way over his head. OK back to my client jay > On Jul 11, 2024, at 11:11 AM, Michael Morningstar via RE-wrenches > <re-wrenches@lists.re-wrenches.org> wrote: > > I’ve years of experience running vfds on generator power. No issues. > Personally, I run numerous old cast iron woodworking machines that all have 5 > and 10hp 3p motors with VFDs from a 15kw Kubota open frame generator. 15 > second ramp up time. And my generator is single phase. > > On Thu, Jul 11, 2024 at 10:06 AM jay via RE-wrenches > <re-wrenches@lists.re-wrenches.org > <mailto:re-wrenches@lists.re-wrenches.org>> wrote: > HI All, > > I’m being asked to comment about running a 10hp 3 phase well centrifugal pump > off of a 30kw single phase generator with a VFD drive. > This well pump is located in a tank for fire fighting applications, so its > not down a deep well meaning almost no head pressure. And the start time can > be quite slow as its not supplying a house/pressure tank. > > > I”m not an expert on VFD drives, but I figure many of you are. > > My question, based on the question from the engineer is: > > 1. is there any issue with running a VFD off of a good quality 30kw brand new > Kohler turbo propane generator? > The engineer seems to think there is but he won’t say why. > > i can’t think of any reason at all? > > This generator is only running this one load, the well pump. > > jay > > > > > > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > Pay optional member dues here: http://re-wrenches.org > <http://re-wrenches.org/> > > List Address: RE-wrenches@lists.re-wrenches.org > <mailto:RE-wrenches@lists.re-wrenches.org> > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > <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/ > <https://www.mail-archive.com/re-wrenches@lists.re-wrenches.org/> > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > <http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org> > > List rules & etiquette: > http://www.re-wrenches.org/etiquette.htm > <http://www.re-wrenches.org/etiquette.htm> > > Check out or update participant bios: > http://www.members.re-wrenches.org <http://www.members.re-wrenches.org/> > > -- > > Michael Morningstar > > Morningstar Electric Inc > PO Box 1494 > Mount Shasta, CA 96067 > 530-921-0560 > CSLB 1116835 > mjmornings...@gmail.com <mailto:mjmornings...@gmail.com> > > _______________________________________________ > 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
