摘要
研究了基于双环控制的单相电压型PWM逆变器在Matlab/Simulink下的建模与仿真。基于状态空间平均法建立了单相电压型PWM逆变器的数学模型,提出了电压电流双环控制策略,构建了10 kVA单相电压型PWM逆变器的Simulink模型,并进行了特性仿真。仿真结果表明,在不同运行条件下,基于该控制策略的逆变器动态响应快,鲁棒性强,输出电压总谐波畸变率低。
The modeling and simulation on Matlab/Simulink of a single-phase voltage PWM inverter based on dual-loop control is studied.The mathematical model of a single-phase voltage PWM inverter is set up based on state-space average method.The voltage current dual-loop control strategy is proposeda,nd 10 kVA single-phase voltage PWM inverter is modeled and the simulation of performances is carried out.The simulation results verify that in different operation modes the inverter with this control strategy has advanta...
出处
《电气传动自动化》
2009年第1期15-18,共4页
Electric Drive Automation
关键词
PWM逆变器
建模与仿真
状态空间平均法
双环控制
PWM inverter
modeling and simulation
state-space average method
dual-loop control
