基于滑模控制的光伏系统MPPT控制方案

结合光伏系统的工作原理和滑膜控制的特点，提出一种最大功率点跟踪(MPPT)控制方案。将滑模控制应用于该系统最大功率点的跟踪，包括改进变换电路，设计滑模变结构控制器。实验结果表明，该方案能快速跟踪太阳能电池的最大功率点，使系统稳定地工作在最大功率点附近，减小输出功率和电压的波动以及超调量，削弱滑模控制的稳态抖振。

MPPT Control Scheme for Photovoltaic System Based on Sliding Mode Control

Combining the work principle of photovoltaic system and sliding mode control,this paper proposes a Maximum Power Point Tracking(MPPT) control scheme of photovoltaic system.The sliding mode control is applied to MPPT of the system.It includes improving the transform circuit,and designes the sliding mode variable structure controller.Experimental results show that this scheme can fast track the solar cells maximum power point,make the system working stability in the maximum power point nearby,reduce the output power,voltage fluctuations and overshoot,and weaken the steady of chattering sliding mode control.