Solar Power

Dave tracks down why his old 3kW system that was moved was now showing a 20% drop in output power at the same time every day. Is it inverter temperature, inverter mains voltage, solar panel cracking, dodgy connection resistance, or shading? Forum: https://www.eevblog.com/forum/blog/eevblog-1426-this-problem-can-drop-solar-output-by-20/ Podcast: Download

Dave explains a common inherent measurement problem in the solar industry with having two seperate solar power systems and monitors on the one house. Why is Dave’s household consumption going NEGATIVE on both his older Solar Analystics system and new Enphase Envoy system? And why does the consumtion follow the …

A government in Barecelona Spain has paid 30,000 euro for a 9kW solar pavement from Platio. This perennial favorite topic never ceases to provide debunking entertainment! Forum: https://www.eevblog.com/forum/blog/eevblog-1389-spanish-solar-pavement-stupidity/ Podcast: Download

Why do Dave’s new 370W LG solar panels use lower rated 295W Enphase microinverters? What gives? Inverter clipping, solar panel overrating, DC/AC ratio, solar irradiance, and microinverter underrating explained. And a look at data from Dave’s old 3kW system to predict how many days a year the new 5kW system …

Dave explands his 3kW home solar power system to 8kW using new 370W LG NEON 2 panels and Enphase IQ7+ micro inverters! The complete installation video. Time lapse videos and other analysis videos to come on the EEVblog2 channel. Thanks to LG Australia, Enphase and Clenergy: https://www.lgenergy.com.au/uploads/download_files/1838242344c5c485f219a20564a1dee4d862355d.pdf https://enphase.com/en-au/products-and-services/microinverters/family Clenergy racking: …