双闭环控制的三相Zeta光伏逆变器  

Three-phase Zeta Photovoltaic Inverter of Double-loop Control

作　　者：岳舟[1] 

机构地区：[1]湖南人文科技学院,机电工程系,湖南娄底417001

出　　处：《电力电子技术》2015年第1期76-78,共3页Power Electronics

摘　　要：为获得比较理想的正弦输出电压,优化逆变器的性能,基于三相Zeta光伏逆变器,采用了双闭环控制策略。此处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了系统数学模型,并详细阐述了电压电流双闭环控制方法,该方法具有计算量小、运算速度快、控制精度高、可靠性强的显著优点。利用Matlab/Simulink工具对控制系统进行了仿真,并对该系统进行了样机实验,仿真和实验结果验证了该逆变器的优点和双闭环控制策略的有效性。In order to obtain excellent sinusoidal output voltage, performance optimization of three phases inverter, Zeta photovohaic inverter based on double-loop control strategy.This paper analyzes in detail the topological structure and working principle of the inverter, establishes the system mathematical model by using the state space averaging method, and elaborates on the voltage and current double closed-loop control method, this method has the advantages of small calculation quantity, fast operation, high control precision, strong reliability.The control system is simulated by the Matlab/Simulink tool, and makes the physical prototype experiment.The simulation and experimental results verify the advantages of the inverter and the double closed-loop control strategy is effective.

关 键 词：逆变器 光伏 双闭环控制 

分 类 号：TM464[电气工程—电器]