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Photovoltaic Power Generation Apparatus and Method for MPPT(Maximum Power Point Tracking)
Photovoltaic Power Generation Apparatus and Method for MPPT(Maximum Power Point Tracking)
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机译：用于MPPT的光伏发电装置和方法（最大功率点跟踪）
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摘要
In the present invention, in the photovoltaic device for tracking the maximum power point, the first to third solar cell arrays 130-1 to 130-3 for generating electric energy by receiving sunlight; First to third step-up converters 140-1 to 140-3 connected to the first to third solar cell arrays 130-1 to 130-3, respectively; And a three-phase inverter 150 for generating grid power 190 by receiving the outputs of the first to third step-up converters 140-1 to 140-3; Detecting voltages of the first to third solar cell arrays 130-1 to 130-3; When the mode (INV_MODE) for following the maximum power point (MPPT) is OFF and the voltage of the specific solar cell array is less than the first DC voltage VDC1, the specific solar cell array and A corresponding specific step-up converter is operated (ON); When the mode (INV_MODE) for following the maximum power point (MPPT) is ON and the voltage of the specific solar cell array is less than the second DC voltage VDC2, the specific solar cell array and A corresponding specific step-up converter is operated (ON); The first DC voltage VDC1 is different from the second DC voltage VDC2, and a photovoltaic device for tracking a maximum power point is proposed.
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