摘要
分析了光伏并网逆变器的混成特性并概述了混成自动机理论。在光伏并网逆变器的混成自动机建模与控制器设计的基础上,提出了并网逆变器的一种并网控制策略。通过Matlab仿真平台的Simulink和Stateflow工具箱仿真验证了混成控制器和并网控制策略的正确性和有效性。仿真结果表明,所设计的光伏并网逆变器不仅可以实现正常的并网功能,而且有一定的无功和谐波补偿能力。
The PV grid-connected inverter hybrid features were analyzed,and the hybrid automata theory was summarized. Based on the hybrid automata model of grid-connected inverter and the design of hybrid controller,a grid-connected control strategy was proposed. Through the Simulink and Stateflow toolbox of MATLAB simulation platform,the correctness and effectiveness of the theory was verified. The simulation results show that the PV gridconnected inverter with the proposed control method can not only achieve normal grid-connected functions,but compensate certain reactive current and harmonic current.
出处
《电器与能效管理技术》
2014年第15期40-45,50,共7页
Electrical & Energy Management Technology
基金
湖南省研究生科研创新项目(CX2012B362)
关键词
光伏并网
混成控制
混成自动机
并网逆变器
photovoltaic grid-connected
hybrid control
hybrid automata
grid-connected inverter
