摘要
采用零极点对消和极点配置的方法分别设计了电流内环和电压外环的PI调节器参数,根据并网逆变器电流闭环系统的Bode图和零极图,分析了其电流内环闭环系统的稳定性,并对由该方法设计得到的PI参数进行了实验验证。实验结果表明,该双闭环PI调节器参数设计方法效果良好,能够满足系统设计要求。
Zero-pole cancellation and pole allocation methods were adopted to design PI regulator parameters of current inner loop and voltage external loop respectively.According to grid-connected inverter current closed-loop system＇s Bode diagram and zero-pole diagram,analysis was made to the stability of its current inner closed-loop system and experimental verification was carried out for PI parameters obtained from the method design.Experimental result shows that the double closed-loop PI regulator parameters design method is good in effect,being able to meet system design requirements.
出处
《电工电气》
2011年第9期5-9,14,共6页
Electrotechnics Electric
关键词
风力发电
并网逆变器
双闭环
PI调节器
wind power generation
grid-connected inverter
double closed-loop
PI regulator
