<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Thanks Michael,<div class=""><br class=""></div><div class="">Thats what I wanted to confirm. </div><div class=""><br class=""></div><div class="">For some reason the engineer on this project is in way over his head.</div><div class=""><br class=""></div><div class="">OK back to my client</div><div class=""><br class=""></div><div class="">jay</div><div class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jul 11, 2024, at 11:11 AM, Michael Morningstar via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">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.</div><div class=""><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jul 11, 2024 at 10:06 AM jay via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;padding-left:1ex;border-left-color:rgb(204,204,204)">HI All,<br class="">
<br class="">
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.<br class="">
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.<br class="">
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I”m not an expert on VFD drives, but I figure many of you are.<br class="">
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My question, based on the question from the engineer is:<br class="">
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1. is there any issue with running a VFD off of a good quality 30kw brand new Kohler turbo propane generator?<br class="">
The engineer seems to think there is but he won’t say why. <br class="">
<br class="">
i can’t think of any reason at all?<br class="">
<br class="">
This generator is only running this one load, the well pump.<br class="">
<br class="">
jay<br class="">
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</blockquote></div></div>-- <br class=""><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr" class=""><p style="margin:0px;font:18px Helvetica;min-height:22px" class=""><span class=""></span><br class="webkit-block-placeholder"></p><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">Michael Morningstar </div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class=""><br class=""></div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">Morningstar Electric Inc</div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">PO Box 1494</div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">Mount Shasta, CA 96067</div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">530-921-0560</div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class="">CSLB 1116835</div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class=""><a href="mailto:mjmorningstar@gmail.com" target="_blank" class="">mjmorningstar@gmail.com</a></div><div style="margin: 0px; font-style: normal; font-variant-caps: normal; font-weight: normal; font-stretch: normal; font-size: 18px; line-height: normal; font-family: Helvetica;" class=""><br class=""></div></div></div>
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