<p dir="ltr">Wrenches<br>
We have been installing combiners with anything more then 1 string on the TL inverters. Troubleshooting is better with a remote combiner, its seems a waist but all our inspectors to like to see it also. </p>
<div class="gmail_quote">On Jan 29, 2016 10:36 AM, "Mark Byington" <<a href="mailto:markb@cobaltpower.com">markb@cobaltpower.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 lang="EN-US" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">"Transformerless inverters need fuses on both DC positive and DC negative legs to protect the inverter in case of ground fault."<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">I could be wrong, but my understanding is that TL inverters are no different than transformer type inverters in terms of DC fusing requirements - no fuse required for one or two strings in parallel; fuses required on + and - leads for 3 or more strings in parallel.<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Mark Byington<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:black">Cobalt Power Systems, Inc.<u></u><u></u></span></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p></div></div><br>_______________________________________________<br>
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