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中文摘要：
IEEEStd．1547规定并网逆变器需要具备孤岛运行的能力以维持负载电压稳定。分析了比例积分控制、比例谐振控制和比例复数积分控制3种线性电压控制策略从系统跟随特性、抗扰特性以及系统主导极点分布对3种电压控制方案的稳态特性和动态特性进行了对比，并在Maflab／Simulink中进行了仿真研究。最后在TMS320F2812数字信号处理器数字化控制平台上验证了理论分析的正确性。
英文摘要：
It is specified in IEEE Std.1547 that the grid-connected inverters have to possess the ability of islanded operation to make the load voltage stable. Three kinds of linear voltage control strategies, i.e., the proportional-integral （PI） control, the proportional-resonant （PR） control and proportional complex integral （PCI） control, are analyzed. The steady state performances and transient performances of the three voltage control strategies are comprehensively compared in system following characteristics, the disturbance rejection Characteristics and the distributions of system dominant poles, and corresponding simulations are performed by Matlab/Simulink. Finally, the correctness of its theoretical analysis is verified on experimental digital control platform adopting fixed-point digital signal processor TMS320F2812.
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