The Chevy Volt PHEV is the ultimate melding of the technologies and perhaps currently the most practical and immediate way to offset our unavoidable CO2 emissions …[more…]
 
I was successful in porting the solar inverter data to MRTG! This is accomplished with program called RRDTool developed by the author of the original MRTG. A script was needed to import the raw solar data into a database using a handy language called python. RRDTool uses a database called Round Robin Database thus the RRD. The solar inverter has the ability to “push” a file via FTP to a host at a selected …[more…]  
It was chilly overcast spring morning when we started. I wanted to get them installed as early in spring as possible to get a full season of sunlight. The next day the sky had cleared and the sun was shining bright on a crisp blue background. I threw the switch on the inverter and powered up the system and the capacitors started to hum. …[more…] |
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