Does anyone have even an crazy idea of why this engineer would say that VFD drives don’t like generators?
Besides the obvious, IE he doesn’t know what he’s talking about? thanks everyone jay > On Jul 11, 2024, at 11:22 AM, James Jarvis <[email protected]> wrote: > > There should be no issues. My rule of thumb is very hard starting 15 > horsepower three phase motor will start and run with a quality 30 kilowatt > three-phase generator. That's across the line starting with massive current. > You can program your VFD such that there is no massive surge and so a 10 > horsepower on a 30 kilowatt will be absolutely no problem. > > -James Jefferson Jarvis > APRS World, LLC > +1-507-454-2727 > > (Sent from my phone. My apologies for spelling errors and brevity.) > > On Thu, Jul 11, 2024, 12:07 PM jay via RE-wrenches > <[email protected] > <mailto:[email protected]>> 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: [email protected] > <mailto:[email protected]> > > 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/[email protected]/ > <https://www.mail-archive.com/[email protected]/> > 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/> >
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