<div dir="ltr"><div>Yeah, there <span class="Q6ibn ng" style="border-style:none;background:none">is</span> a reason it was called "Magic Stacking"... If the load were simple resistive loads and remained light, it generally wasn't an <span class="Q6ibn ng" style="border-style:none;background:none">issue...</span> but if the loads were inductive and heavy, that would cause phase drift and lead to all kinds of problems. </div><div><br></div><div>Magic stacking is generally not a permanent solution, but in a pinch, it could work. <br><br><br></div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><table style="width:490px;border-width:1px;margin:0px auto 0px 0px;height:155.5px" border="1"><colgroup><col style="width:123px"><col style="width:366px"></colgroup>
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<p> </p></div></div><br></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Wed, Jul 15, 2026 at 7:25 AM William Miller via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="auto">My experience with SW inverters not synced with a cable is that they would drift to 180 degrees out of sync over a period of about 20 minutes. I could measure phase to phase and see it go from ~240VAC to 0VAC in that time frame. In another 20 minutes or so the volts would creep back up to 240 again. </div><div dir="auto"><br clear="all"><div><div dir="ltr" class="gmail_signature"><br>William Miller<br>Miller Solar.com<br>805-438-5600<br><a href="http://www.millersolar.com" target="_blank">www.millersolar.com</a><br></div></div></div><div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Jul 15, 2026 at 6:57 AM </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div><br></div><div dir="auto">"Magic Stacking" <span style="border-style:none;background:none">was when you wired them in 120/240 and used</span> a generator or grid power to sync the output waveforms. That waveform would stay synced for quite some time, days if not weeks, as long as you didn't load them<span style="border-style:none;background:none"> more than 75%.</span><a href="http://www.members.re-wrenches.org" rel="noreferrer" style="font-family:-apple-system,sans-serif" target="_blank"></a></div></div></blockquote></div></div>
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