Solar photovoltaic maximum power tracking control method
A maximum power tracking, solar photovoltaic technology, applied in the field of solar cells, can solve the problems of slow start, slow dynamic response, etc., achieve small oscillation, eliminate oscillation and misjudgment, and minimize dynamic error.
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[0039] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0040] The present invention is to the principle of:
[0041] Such as Figure 4 Shown: The solar photovoltaic system includes a solar panel and an external load, and the solar panel and the load are connected to a DC-DC converter through an MPPT controller. The solar panel is connected to the load through a DC-DC converter to provide energy to the load; the MPPT controller controls the switching duty cycle of the DC-DC converter and tracks the maximum power point of solar photovoltaics in real time.
[0042] Such as Figure 4As shown: the output of the photovoltaic array has nonlinear properties and will change with external conditions. Selecting an effective maximum power point tracking technology can make the system work at the maximum power point, which can effectively increase the power generation of t...
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