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wind solar hybrid controller
What is the role of MPPT? 2018-01-22 09:37:23

Due to the influence of external factors such as light intensity and environment, the output power of solar cells is changed. The output of light is more than that of light. The inverter with MPPT power tracking is designed to make full use of solar cells to operate at power points. That is to say that in the case of constant solar radiation, the output power after MPPT will be higher than that before MPPT, which is the role of MPPT.

The principle of power point tracking

With the development of electronic technology, the current MPPT control of solar cell array is usually accomplished through the DC/DC transform circuit. The schematic diagram is shown in the following diagram.

Photovoltaic array and load are connected by DC/DC circuit. Power tracking device continuously detects the current and voltage changes of PV array, and adjusts the duty cycle of PWM drive signal based on the change of DC/DC.

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