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Maximum power point tracking

Posted 09-12-2011 at 02:33 AM by liangx

From now on, the solar energy is more and more popular in all over the world. our company also met a project related to solar system. And my responsibility was how did the solar panel generated the energy efficiently, I'm new in this area, So I searched on the internet and found some resource about MPPT(Maximum power point tracking). it's really sample and economical.
The principle is that controlling the PWM to manage output of solar panel. according to formular watts = current * voltage
MPPT obtains voltage and current from solar panel, and multiply them the found the maximum, and adjust PWM, and try again until found the peak watts.
All those are implemented in a small circuit and mcu program. I'm going to share more details in coming posts.
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