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电网技术  2006 

分布式电力系统中多脉宽调制电源激励下的波反射问题

, PP. 19-22

Keywords: 分布式电力系统,波反射,Bergeron方法,脉宽调制,过电压

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Abstract:

简介了分布式电力系统,指出了对多脉宽调制(PWM)激励源下的波反射问题进行分析的必要性。采用Bergeron方法对波反射进行了分析,并利用Matlab/Simulink仿真程序对分析结果进行了验证,得出了多PWM激励源下系统波反射振荡加剧的结论,并发现其反射振荡程度受网络拓扑结构及线路参数条件的影响。指出对于多PWM激励源系统,应根据系统的具体情况对波反射振荡进行具体分析以防止过电压对系统造成损害。

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