可再生能源2018,Vol.36Issue(4):506-511,6.
基于电压闭环滑模控制的变步长电导增量法MPPT策略
MPPT strategy of variable step-size incremental conductance algorithm based on voltage closed-loop sliding mode control
王玕 1赵世伟 1杨向宇1
作者信息
- 1. 华南理工大学 电力学院,广东 广州510640
- 折叠
摘要
Abstract
The photovoltaic maximum power point tracking(MPPT)technique has wide application requirements. Based on voltage closed-loop sliding mode control, a MPPT strategy with variable step-size incremental conductance algorithm is designed in this paper. The outer-loop adopts the variable step-size incremental conductance method to realize tracking the global maximum power point accurately and a voltage closed-loop sliding mode control is adopted in the inner-loop. Moreover, an improved exponential approaching law is introduced to improve the dynamic quality of voltage control. The simulation results obtained by Matlab show that the method has better dynamic quality and steady-state performances than the traditional PI control with voltage closed-loop.关键词
滑模控制/电压闭环/变步长电导增量法/最大功率点跟踪Key words
sliding mode control/voltage closed -loop/variable step -size incremental conductance algorithm/MPPT分类
能源科技引用本文复制引用
王玕,赵世伟,杨向宇..基于电压闭环滑模控制的变步长电导增量法MPPT策略[J].可再生能源,2018,36(4):506-511,6.