基于变步长电导增量的光伏阵列MPPT控制策略的优化  

Optimization of MPPT Control Strategy for Photovoltaic Array Based on Variation Step Incremental Conductance

作　　者：刘敏安[1] 王佳佳[1] 陈湘[1] 刘长清[1] 

机构地区：[1]株洲南车时代电气股份有限公司,湖南株洲412001

出　　处：《大功率变流技术》2011年第5期21-25,共5页HIGH POWER CONVERTER TECHNOLOGY

摘　　要：详细分析变步长电导增量MPPT(最大功率点跟踪)的求解过程,得出光伏阵列工作点位置判断的新方法。给出3种变步长策略和两种优化措施,得到一种基于全局变步长电导增量MPPT控制方法,并分析该方法的优点和缺点。仿真结果证明了该优化策略的可行性。It analyzes the solving process of variable step incremental conductance MPPT（maximum power point tracking） in detail,and gets a new way to determine the work-point positions of photovoltaic array.It also presents 3 strategies to change step and 2 optimization methods of MPPT,and proposes a control strategy based on the variable step incremental conductance MPPT.Then,the merits and defects of the strategy are analyzed.Simulation results verify the validity of this optimized strategy.

关 键 词：光伏阵列 电导增量 变步长 最大功率点跟踪 极值点 

分 类 号：TM615.2[电气工程—电力系统及自动化]