Dave,
Is the 8000 one of the transformerless inverters? Maybe there is a grounding problem causing excess electrical noise when the inverter is in the 'grey' zone where there is not quite enough energy from the sun to remain in a known state. -Glenn From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of Dave Palumbo Sent: Friday, October 28, 2011 8:46 AM To: 'RE-wrenches' Subject: Re: [RE-wrenches] SMA electrical noise? Wrenches, This is a new one on me. Any ideas of what may be happening? In a follow up she said it happens every day. System was installed two months ago. SB8000US inverter 8.28kW array. << Dave We are experiencing electrical noise at dawn and dusk. The power back ups for our computers start beeping, going off and on, and finally causing the computers to shut down. This is probably not good for the computers. Is this something you are aware of in these systems? Can you give us some advice or perhaps come over to check into it? Like I said, at dawn and dusk, just when the sun is changing intensity. >> David Palumbo Independent Power LLC 462 Solar Way Drive Hyde Park, VT 05655 www.independentpowerllc.com NABCEP Certified PV Installer Vermont Solar Partner 23 Years Experience, (802) 888-7194
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