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发明授权
CN104969139B 太阳能发电系统 有权

太阳能发电系统
摘要：
太阳能发电系统(1)具备：多个太阳能电池群(2a、2b～2n)；与这些各太阳能电池群分别对应地设置的多个斩波器单元(3a、3b～3n)，该多个斩波器单元对从上述各太阳能电池群分别得到的直流电压进行升压；动作点控制单元(6a、6b～6n)，其对这些斩波器单元的输出电流分别进行控制来优化上述各太阳能电池群的动作点，以从该太阳能电池群得到最大输出；以及逆变器(4)，其被输入从上述多个斩波器单元得到的直流电压，将该直流电压变换为规定电压的交流电力并输出该交流电力。
摘要（英）：

A solar power generation system includes a plurality of solar cell groups, a plurality of chopper units each of which corresponds to one of the plurality of solar cell groups and raises a DC voltage obtained from the corresponding solar cell group. Each of the plurality of chopper units includes a first operating point control unit that respectively controls an output current of the corresponding chopper unit to optimize an operating point of each of the plurality of solar cell groups so as to obtain maximum power from the respective solar cell groups, and an inverter, which receives the DC voltage obtained from the plurality of chopper units and outputs AC power. The inverter includes a second operating point control unit that controls the DC voltage obtained from the plurality of chopper units to optimize the operating point of each of the plurality of solar cell groups.

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