Solar charging with some shade
I'm facing west today, so I'm getting a pretty good shadow on one of six series-connected panels. Panels are all around 135w @ 12v. Shade is on the far-left panel - about half of it: No...
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Can't leave it like that anyway. Plus you said you usually park facing East but they tilt for facing West? Weird! :)
So all you solar experts, we know in series the individual panel amps can be different in the string from shade or whatever, and the controller tells us input watts and what it has chosen. So we can derive Imp if we want or measure it on the array to controller wiring and some controllers even display Imp as in the OP.
However, AFAIK, Imp has nothing to do with the actual panel amps which is based on the lowest one's amps. So Imp is not the lowest amps of a panel in the string, it is just what you get when you divide the array watts by the controller's chosen Vmp.
Or not quite or even close?
So all you solar experts, we know in series the individual panel amps can be different in the string from shade or whatever, and the controller tells us input watts and what it has chosen. So we can derive Imp if we want or measure it on the array to controller wiring and some controllers even display Imp as in the OP.
However, AFAIK, Imp has nothing to do with the actual panel amps which is based on the lowest one's amps. So Imp is not the lowest amps of a panel in the string, it is just what you get when you divide the array watts by the controller's chosen Vmp.
Or not quite or even close?
