Abstract Photovoltaic system encounters with some limiting factors such as partial shading that reduces the power output. Partial shading is not predictable; not measurable; and unavoidable. A single partial shaded PV cell limits the power output of the unshaded PV cells connected with it in series. In this paper, a hybrid reconfiguration algorithm has been proposed. The 4 × 4 PV array has connected in Total Cross Tied configuration. The proposed algorithm performs reconfiguration in two steps. In the first step, the algorithm splits the 4 × 4 PV array into two sets of 2 × 4 PV arrays and it establishes the interconnection between the two sets by through the 2 × 2 switching matrix circuit in the second step. The interconnection will be executed based on the power generation of each row in the 2 × 4 PV arrays i.e., the maximum power generating row in the set 1 has connected with the minimum power generating a row in set 2. By this reconfiguration, the rows in the PV array can be made as even current generating rows. The proposed method suppresses the effect of partial shading in the power output also it reduces the required numbers of switches and the dimension of the switching matrix circuit.

中文翻译：

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减轻太阳能光伏系统中的失配损失——两步重构方法

摘要 光伏系统会遇到一些限制因素，如局部遮光导致功率输出降低。部分阴影是不可预测的；无法衡量；并且不可避免。单个部分被遮蔽的光伏电池限制了与其串联的未遮蔽的光伏电池的功率输出。本文提出了一种混合重构算法。4 × 4 PV 阵列以全交叉连接配置连接。所提出的算法分两步执行重构。第一步，算法将4×4光伏阵列拆分为两组2×4光伏阵列，第二步通过2×2开关矩阵电路建立两组之间的互连。互联将根据 2 × 4 光伏阵列中每行的发电量执行，即，组 1 中发电量最大的行与组 2 中发电量最小的行相连。通过这种重新配置，光伏阵列中的行可以成为偶电流发电行。所提出的方法抑制了功率输出中部分遮蔽的影响，同时减少了所需的开关数量和开关矩阵电路的尺寸。