A photovoltaic charger control device and control method
A technology for photovoltaic chargers and control devices, applied in circuit devices, battery circuit devices, current collectors, etc., can solve the problems of inability to guarantee battery voltage maintenance, inability to guarantee battery voltage, maintenance, etc., to achieve good tracking effect and avoid stuck. situation, the effect of efficient use
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[0041] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0042] Such as figure 2 It shows that the main topology of the photovoltaic charger in this embodiment is a Buck circuit.
[0043] Please refer to figure 1 , the present invention provides a photovoltaic charger control device, which is characterized in that it includes a photovoltaic voltage sampling unit 4 for sampling the output voltage signal Upv of the photovoltaic plate 1;
[0044]An output current sampling unit 5 for sampling the output current signal Ibuck of the photovoltaic charger;
[0045] An output voltage sampling unit 6 for sampling the output voltage signal Ubuck of the photovoltaic charger;
[0046] An MPPT unit 7, according to the output current signal Ibuck and the output voltage signal Ubuck of the photovoltaic charger,
[0047] Use the maximum power tracking technology to perform maximum power tracking on the photovoltaic pole ...
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