<html><body><span style="font-family:Verdana; color:#000000; font-size:10pt;"><div>Looking for feedback on the following, any help would be appreciated;</div><div><br></div><div>Positive grounded arrays(Sunpower systems) what is being used as an Inverter replacement?</div><div>Hard to get SMA's SBxxxxUS older style units that have the built-in POS/NEG grounding capability...</div><div>As far as I know the newer line of Inverters from SMA will not work ; they are TL's and are not compatible.</div><div><br></div><div>It would be tempting to "Un-Ground" the array and use the newer line of TL Inverters from SMA.</div><div>The Discon would need to do both POS/NEG lines;OK</div><div>I know of this being done with Arrays that are NEG grounded.</div><div><br></div><div>How much of a Power loss from the array would be expected due to removing the POS ground on Sunpower panels and run them Un-grounded ?</div><div>Guessing say 15 to 20% ?</div><div><br></div><div>This may be a solution that the customer would go along with short of replacing the entire system.</div><div><br></div><div><br></div><div><br></div><div><br></div><div>Best Regards</div><div>Louis Segarra </div><div>Tech Department/Field Operations</div><div>Solar Cowboyz</div><div>(530) 273-4895</div><div>(916) 212-0282</div> </span></body></html>