摘要
为了获得较理想的正弦输出电压,优化逆变器的性能,基于Buck-Boost光伏逆变器,采用离散滑模变结构的控制策略。Buck-Boost光伏逆变器可获得比直流输入电源高或低的交流输出电压,详细分析了所提逆变器的拓扑结构和工作原理,利用状态空间平均法建立系统数学模型,并详细阐述了离散滑模控制原理。利用Matlab/Simulink工具对控制系统进行仿真研究,仿真结果验证了该变换器的优点和离散滑模控制策略的有效性。
In order to obtain excellent sinusoidal output voltage and optimize performance of inverters, discrete sliding mode control strategy was adopted for Buck-Boost inverter. Buck-Boost photovoltaic inverter can obtain AC output voltage higher than or lower than input DC voltage. The operation principle was analyzed in detail and the mathematics model was founded by the state-space average method. The discrete sliding mode control theory was disscussed in detail. The simulation studies of the control system were constructed by Matlab/Simulink tool. The simulation results verify the validity and effectiveness of the proposed inverter.
出处
《太阳能学报》
EI
CAS
CSCD
北大核心
2013年第2期233-238,共6页
Acta Energiae Solaris Sinica
基金
湖南省教育厅资助项目(10C0832)
