<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Any new AC equipment connected and running during test? Scope the waveform during equipment start to see if the distortion is severe. I have seen a 300W load make a mess of a Magnum AC waveform.<br class=""><div class="">
<div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br class="Apple-interchange-newline"></div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Larry Crutcher</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;">Starlight Solar Power Systems</div><div style="caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; text-decoration: none;"><br class=""></div><br class="Apple-interchange-newline">
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<div><br class=""><div class="">On Jan 13, 2023, at 11:48 AM, Mac Lewis <<a href="mailto:maclewis1@gmail.com" class="">maclewis1@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="auto" class="">Good question Larry, <div dir="auto" class=""><br class=""></div><div dir="auto" class="">Rock solid 52V on a lithium battery system. Doesn't appear to be a battery problem at all. </div></div><br class=""><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 13, 2023, 11:41 AM Starlight <<a href="mailto:larry@starlightsolar.com" class="">larry@starlightsolar.com</a>> wrote:<br class=""></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word;line-break:after-white-space" class="">Mac,<div class=""><br class=""></div><div class="">What was the lowest voltage measured at inverter battery terminals during the inrush measurement?<br class=""><div class="">
<div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;" class=""><br class=""></div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;" class="">Larry Crutcher</div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;" class="">Starlight Solar Power Systems</div><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; text-decoration: none;" class=""><br class=""></div><br class="">
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<div class=""><br class=""><div class="">On Jan 13, 2023, at 11:33 AM, Mac Lewis via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank" rel="noreferrer" class="">re-wrenches@lists.re-wrenches.org</a>> wrote:</div><br class=""><div class=""><div dir="ltr" class="">Hello Wrenches,<div class=""><br class=""></div><div class="">I have a new client that has ran a pretty decent wood shop for about 10 years on a Magnum 4448. He's got some large loads, planers, saws, compressors vacuums etc. They are really nice, heavy duty pieces of equipment. Amazingly, the Magnum has been able to start these loads for the most part for 10 years, but he has reported that it has gotten worse lately (could be a load issue), brown outs, dimming etc</div><div class=""><br class=""></div><div class="">He wants to upgrade the system, get remote monitoring etc. I tried a test with a Sol-Ark 12, and it won't start these large motor loads. I was a little surprised by that but I know they aren't as good as the low freq transformer based inverters at these surges.</div><div class=""><br class=""></div><div class="">I confirmed that its not just an overload from imbalance because the 240V loads will also overload it. I got an inrush measurement of 48.5A Ac @240 (but it didn't start the load before Sol-Ark would shut off) </div><div class=""><br class=""></div><div class="">What are my options?</div><div class="">Schneider XW Pro 6848</div><div class="">Outback Radian 8048 (Is this a low freq device?)</div><div class="">Sunny Islands are beasts but weird to work with and not user friendly</div><div class=""><br class=""></div><div class="">Any others I should consider? He does have some significant 120 only loads so I don't think the Outback vfxr are a good choice.</div><div class=""><br class=""></div><div class="">Is it as simple as saying if the Magnum can start this load, the Radian should?</div><div class=""><br class=""></div><div class="">I appreciate your input!</div><div class=""><br class=""></div><div class="">--<br class=""><div dir="ltr" data-smartmail="gmail_signature" class="">Mac Lewis<br class=""><br class=""><span style="font-family:"Times New Roman";font-size:inherit;color:rgb(255,153,0)" class=""><b class=""><font face="Arial, Helvetica, sans-serif" size="3" class=""><p align="left" class=""><br class=""></p></font></b></span></div></div></div>
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