Cheap China Solar Controller Failure
For a couple days been noticing higher than the 14.6 voltage,.....going to 15, and even 15.5,....I knew something was not right. The next day it was showing 16, then quickly went to 17+.......I quickl...
Forum Discussion
In figure 14, the pwm matches the mppt at times. Section 5 shows how moderate heat affects mppt more than pwm.
Quote:
"The PWM charge controller is therefore a good low cost solution for small systems only, when cell temperature is moderate to high (between 45°C and 75°C)."
The author's conclusions seem reasonable to me.
Quote:
"The PWM charge controller is therefore a good low cost solution for small systems only, when cell temperature is moderate to high (between 45°C and 75°C)."
The author's conclusions seem reasonable to me.
