Profile

Mr. John Eftimiades

This individual is no longer active. Application functionality related to this individual is limited.

Contact Details

My Content

1 to 3 of 3 total

RE: Dust, dirt and solar panels

Posted By John Eftimiades 03-05-2021 06:19 PM
Found In Egroup: Everything Solar Forum \ view thread
Yes it's SMA Sunny Boy SB7.0. The modules are Canadian Solar CS6K-280 ------------------------------ John Eftimiades Videographer/Thermographer Skyview Thermography and Media Services jefti@yahoo.com ------------------------------

RE: Dust, dirt and solar panels

Posted By John Eftimiades 03-05-2021 03:05 PM
Found In Egroup: Everything Solar Forum \ view thread
Robert, Thank you for taking the time to write and for the input. As things get sunnier (in what use to be sunny FL) I will certainly incorporate your suggestions. Up on the roof, I used an pyrometer and inclinometer every 15 minutes to record an average irradiance. The recordings were made before and ...

RE: Dust, dirt and solar panels

Posted By John Eftimiades 03-04-2021 09:09 AM
Found In Egroup: Everything Solar Forum \ view thread
Most definitely. I did a simple experiment measuring irradiance and output both before and after cleaning. The entire test was done in about 40 minutes with the irradiance essentially unchanged. I saw a 4 fold increase in power, mostly through current but slight improvement in voltage. If your curious: ...