李强;贺之渊;汤广福;包海龙;王熙骏;王韧;

• 1:中国电力科学研究院
• 2:上海市电力公司

摘要(Abstract)：

针对模块化多电平换流器提出了一种多电平空间矢量脉宽调制的通用算法。结合模块化多电平换流器的结构特点和运行原理,分析了其空间矢量状态;以降低开关损耗和输出电压波形畸变率为目标,确定了冗余电压矢量的选择方法、电压矢量的最优合成顺序和广义零矢量作用时间的最优分配方法;基于2电平空间矢量脉宽调制,推导了多电平和2电平电压矢量之间的作用时间转换矩阵,多种电平数下的仿真结果证明了算法的正确性和可扩展性。

关键词(KeyWords)： 模块化多电平换流器;子模块;空间矢量脉宽调制;冗余电压矢量;广义零矢量

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李强;贺之渊;汤广福;包海龙;王熙骏;王韧;

Email:

DOI: 10.13335/j.1000-3673.pst.2011.05.039

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