<p dir="ltr">Just so l understand you had current not voltage where was the current flowing to.<br>
I have had static voltage from HV transmission lines but not induced current while the system was off.<br>
Jerry<br>
Jerry</p>
<div class="gmail_quote">On Feb 24, 2016 12:42 PM, "Rebekah Hren" <<a href="mailto:rebekah.hren@gmail.com">rebekah.hren@gmail.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I'd be more worried about  induced current/voltage on metal/conductors in the PV array, which seems like it could cause issues with GFP devices, and possibly unsafe conditions. I worked on one large array (5 MW) where the point of interconnection was parallel to / under high voltage lines. Even when the PV system wasn't operating there was measurable current on the PV system conductors induced from the high voltage lines above. The utility nearly wouldn't let the system be allowed to interconnect, because we had trouble proving the anti-islanding was working as current was still flowing when the utility supply was disconnected (on the lower voltage not higher voltage lines).<div>Rebekah<br><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Feb 24, 2016 at 4:18 PM, Jerry Shafer <span dir="ltr"><<a href="mailto:jerrysgarage01@gmail.com" target="_blank">jerrysgarage01@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><p dir="ltr">We have both GT and off grid in the shadow lines, because of the distance away, diameter of the wire and also the sun have not seen any issues that will warrent micro inverters. All that said, its a moving target and if the wires are very close then it will be more of an issue.<br>
Something else to ponder can you in fact install under HV transmission lines in your area.<br>
Jerry</p>
<div class="gmail_quote"><div><div>On Feb 24, 2016 5:50 AM, "Paul Lyons" <<a href="mailto:Lyons@zapotecenergy.com" target="_blank">Lyons@zapotecenergy.com</a>> wrote:<br type="attribution"></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div lang="EN-US" link="#0563C1" vlink="#954F72"><div><p class="MsoNormal"><span style="font-size:12.0pt">Hell RE-Wrenches –<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Do any of you have experience with locating ground-mounted PV systems under high-voltage transmission lines? We have an electric utility client who would like to use some of its land underneath its HV transmission lines to install PV. Is the shadow cast be the overhead wires significant enough to affect the string voltages in the array? Should we go with micro-inverters?<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Thank you,<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Paul Lyons, P.E.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Zapotec Energy Inc.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">675 Massachusetts Ave<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Cambridge, MA 02139-3309<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Tel: <a href="tel:617-547-5900%C2%A0%20ext.201" value="+16175475900" target="_blank">617-547-5900  ext.201</a><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:12.0pt">Email: <a href="mailto:Lyons@ZapotecEnergy.com" target="_blank"><span style="color:blue">Lyons@ZapotecEnergy.com</span></a><u></u><u></u></span></p><p class="MsoNormal">Web: <a href="http://www.ZapotecEnergy.com" target="_blank"><span style="color:blue">www.ZapotecEnergy.com</span></a><u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p></div></div><br></div></div>_______________________________________________<br>
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