MPPT（Maximum Power Point Tracking）controller is designed to perform intelligent calculations and implement tracking at any time to realize real-time monitoring of the solar panel’s power generation voltage and to track the highest voltage and current value (VI) through the highest point output. Electrical energy allows the system to charge the battery with maximum efficiency.
PWM controller has its operating parameters set. It uses the set parameters (or constant voltage, or constant current) to transfer the solar panel. It does not change according to the surrounding environment. The natural environment of solar irradiance, ambient temperature and humidity is changing all the time; however, the energy of the solar panel is converted in a fixed way. On the one hand, the battery is always in a state of dissatisfaction. On the other hand, when the weather is good, the solar panels can not be fully utilized, resulting in waste.
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Post time: Jan-10-2019