基于阻抗匹配误差调节的光伏发电MPPT方法  

A MPPT METHOD OF PHOTOVOLTAIC GENERATION BASED ON THE ADJUSTMENT OF IMPEDANCE MATCHING ERROR

作　　者：郑颖楠[1] 王俊平[1] 刘旭圆[1] 

机构地区：[1]燕山大学电力电子节能与传动控制河北省重点实验室,秦皇岛066004

出　　处：《太阳能学报》2012年第9期1441-1449,共9页Acta Energiae Solaris Sinica

基　　金：国家自然科学基金重点项目(50837003)

摘　　要：从阻抗视角分析光伏系统MPPT问题。基于对含源单调连续型非线性一端口网络的研究,引入误差调节的概念,提出一种光伏发电MPPT控制的自寻优算法。该算法可将非线性极值跟踪控制问题转化为线性误差调节问题。在1kW光伏发电实验平台上的实验证实了该算法的有效性。The subject of the maximum power point tracking of PV system from the impedance angle was analyzed. Based on the study of the monotonous continuous nonlinear network with source and one port, leads into a concept of error adjustment, a self-optimizing algorithm of PV MPPT control was presented. The algorithm can transform nonlinear extreme value tracking control problem into regulation of the linear error. The experiment that completed in the 1 kW experimental platform confirms the validity of the algorithm.

关 键 词：光伏发电 MPPT 非线性 等效阻抗匹配 

分 类 号：TM615[电气工程—电力系统及自动化]