<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"></div><div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I'm wondering why this isn't more common and better documented. We are getting a lot of requests for solar to reduce generator fuel usage with PV in smaller residential settings.</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">I just came across this solution from Fronius: <a href="https://mailtrack.io/trace/link/7c491c267a60aecbda5c36da8e23e64a94576133?url=https%3A%2F%2Fwww.fronius.com%2Fen%2Fsolar-energy%2Finstallers-partners%2Fproducts-solutions%2Foffgrid-backup%2Fpv-genset-saving-fuels-with-photovoltaics.&userId=1613865&signature=86c145b44a7c38ec">https://www.fronius.com/en/solar-energy/installers-partners/products-solutions/offgrid-backup/pv-genset-saving-fuels-with-photovoltaics.</a></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Jason Szumlanski</div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif">Florida Solar Design Group</div><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><b><div style="text-align:center"><br><br></div></b></div></div></div></div></div></div></div></div><br></div><br><img width="0" height="0" class="mailtrack-img" alt="" style="display:flex" src="https://mailtrack.io/trace/mail/a940fc034f9da31dca94bace3d9832951524c21c.png?u=1613865"><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 25, 2021 at 8:24 PM Jay <<a href="mailto:jay.peltz@gmail.com">jay.peltz@gmail.com</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"><div dir="ltr">Installing PV/inverters to a generator is a common practice. </div><div dir="ltr">One must make sure you don\u2019t ever have more PV/inverter than load to prevent either generator damage or shut down. </div><div dir="ltr"><br></div><div dir="ltr">I worked on a big project that did actually shut the generator down, it tried to run backwards as the PV power exceeded the load. Didn\u2019t damage the generator, 125kw. </div><div dir="ltr"><br></div><div dir="ltr">The main reason is to reduce fuel burn, but how how it is reduced has a number of variables: age, fuel type, size, where in the power band it\u2019s operating , and if a larger newer diesel ( they have a very different fuel burn curve than older ones are which works very well with solar). </div><div dir="ltr"><br></div><div dir="ltr">SMA and others have full packages that communicate with the generator for really large systems like mines etc. </div><div dir="ltr"><br></div><div dir="ltr">Not knowing the size/type of the PV/generator and the variables, hard to say if there would be much fuel savings. </div><div dir="ltr"><br></div><div dir="ltr">Jay</div><div dir="ltr"><br></div><div dir="ltr"> </div><div dir="ltr"><br><blockquote type="cite">On May 25, 2021, at 9:29 AM, Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com" target="_blank">jerrysgarage01@gmail.com</a>> wrote:<br><br></blockquote></div><blockquote type="cite"><div dir="ltr">\ufeff<div dir="auto">Not kidding, but not in reference of wildfires either. Installing inverters directly connected to the gennys is in the past lead to smoke. <div dir="auto">Jerry</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, May 25, 2021, 8:33 AM Dave Angelini Offgrid Solar <<a href="mailto:offgridsolar@sti.net" target="_blank">offgridsolar@sti.net</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"><p>In case you are near me and not kidding Jerry, I see smoke alot of it! For others during fire season this is the tool I use for finding the fire source. Much faster than anything else I have tried. The upper right of the display shows a red area that is the fire.</p>
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<pre> <a href="https://mailtrack.io/trace/link/0f624219738aa7b61b47b673e4f742d7902fdf08?url=https%3A%2F%2Fcaltopo.com%2Fmap.html%23ll%3D37.62021%2C-119.98856%26z%3D10%26b%3Dmbt%26a%3Dmodis_vp%252Cgoesfire&userId=1613865&signature=2c1e016008fceb93" rel="noreferrer" target="_blank">https://caltopo.com/map.html#ll=37.62021,-119.98856&z=10&b=mbt&a=modis_vp%2Cgoesfire</a><br><br>Sorry Jason! I will look at your link.<br><br></pre>
<pre><strong><span style="font-size:small">Dave Angelini Offgrid Solar
"we go where powerlines don't"
<a href="https://mailtrack.io/trace/link/3cf97a2179f6a433f0fe88d900e8deb3fd5cce42?url=http%3A%2F%2Fmembers.sti.net%2Foffgridsolar%2F&userId=1613865&signature=996b1717d69c931a" rel="noreferrer" target="_blank">http://members.sti.net/offgridsolar/</a>
e-mail <a href="mailto:offgridsolar@sti.net" rel="noreferrer" target="_blank">offgridsolar@sti.net</a>
text 209 813 0060</span></strong></pre>
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<p>On Tue, 25 May 2021 08:22:51 -0700, Jerry Shafer <<a href="mailto:jerrysgarage01@gmail.com" rel="noreferrer" target="_blank">jerrysgarage01@gmail.com</a>> wrote:</p>
<blockquote type="cite" style="padding-left:5px;border-left:2px solid rgb(16,16,255);margin-left:5px;width:100%">
<div dir="auto">I can smell smoke from here
<div dir="auto"> </div>
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<div class="gmail_attr" dir="ltr">On Tue, May 25, 2021, 6:48 AM Jason Szumlanski <<a href="mailto:jason@floridasolardesigngroup.com" rel="noreferrer" target="_blank">jason@floridasolardesigngroup.com</a>> wrote:</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
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<div style="font-family:arial,helvetica,sans-serif"> </div>
<div style="font-family:arial,helvetica,sans-serif">Has anyone tried to AC couple these microinverters with a generator output to reduce fuel consumption? They claim it can be done with their "volt-watt" mode. I'm skeptical but interested nonetheless. </div>
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Jason Szumlanski
<div>Florida Solar Design Group</div>
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<div style="font-family:arial,helvetica,sans-serif">NABCEP PVIP</div>
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