首页> 外文会议>Industrial Electronics, 2001. Proceedings. ISIE 2001. IEEE International Symposium on >A novel maximum power point tracking control for photovoltaic power system under rapidly changing solar radiation
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A novel maximum power point tracking control for photovoltaic power system under rapidly changing solar radiation

机译:太阳辐射快速变化的光伏发电系统最大功率点跟踪控制

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This paper proposes a novel MPPT control algorithm for a digitally implemented photovoltaic power system under rapidly changing solar radiation. The method of the MPPT control algorithm can be classified into two categories: perturb and observe (P&O) and incremental conductance (IncCond). In comparing the P&O and IncCond algorithms, the dynamic and tracking characteristic of the IncCond algorithm is better than P&O algorithm under rapidly changing solar radiation. But in the case of digital implementation, the InCond algorithm has an error on the decision of maximum power operation point (MPOP). To solve this problem, this paper proposes a improved IncCond algorithm, which can determine the MPOP under rapidly changing solar radiation by inserting a test signal in the control input. By simulation and experimentation, the validity of the proposed control algorithm is proved.
机译:本文针对太阳辐射快速变化的数字化光伏发电系统提出了一种新颖的MPPT控制算法。 MPPT控制算法的方法可分为两类:扰动和观测(P&O)和增量电导(IncCond)。在比较P&O和IncCond算法时​​,在太阳辐射快速变化的情况下,IncCond算法的动态和跟踪特性优于P&O算法。但是在数字实现的情况下,InCond算法在决定最大功率工作点(MPOP)时会出错。为了解决这个问题,本文提出了一种改进的IncCond算法,该算法可以通过在控制输入中插入测试信号来确定在太阳辐射快速变化的情况下的MPOP。通过仿真和实验,验证了所提控制算法的有效性。

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