Solar panel
Just got a 100w panel and want to run a 12v 80w radiator fan, NO BATTERY. The panel is cranking out 23v do I need to put a controller in the middle. All controllers I look at have a battery hookup b...
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red31 wrote:Very informative video series.
the fan will not operate at full speed but should at least spin!
20W Solar Panel / 21W Bulb - A Perfect Match? (part 1)
https://www.youtube.com/watch?v=JZQEJ33xblE
OP - This is worth watching. Part 3 drives it home.
Maybe something like This Buck Converter would help.
The panel may not be able to provide enough in-rush current to start the fan on its own. Maybe it will, maybe it won't.
You may need to connect a capacitor on the converter input with the converter turned off. Let the cap charge up then turn the converter on to kick start the fan.
