Originally posted on Theory and Practice of Trying to Combine Just Anything:
After a little delay our photovoltaic generator went online – we had been waiting for the delivery of this sophisticated addition to our office decoration:
People on G+ had very cool suggestions, such as a rotating alien-fighting device throwing darts. Closest to the truth were: fuse box and fire alarm.
The box containing two knobs (actually the large box does not contain a lot):
Two switches that are connected to that big red button downstairs, positioned next to the inverter for our PV panels:
We have two strings of modules, oriented perpendicular to each other; so irradiation on these is different. I add an overlay to a screenshot from Google Maps:
Solar panels subject to different irradiance are connected in different strings – serial connections of modules; otherwise output power would suffer. The inverter has two inputs for two such strings and two MPP trackers that try to…
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