载波移相正弦脉宽调制的两电平级联柔性直流谐波分析  

Analysis on Cascaded Two-level VSC-HVDC Harmonic Based on CPS-SPWM

作　　者：周敏[1] 蔡田田[1] 彭冠炎[1] 艾芊[2] 

机构地区：[1]中国能源建设集团广东省电力设计研究院,广东广州510663 [2]上海交通大学,上海200240

出　　处：《广东电力》2013年第9期67-71,共5页Guangdong Electric Power

摘　　要：介绍了一种新的采用两电平级联技术换流器的拓扑结构和工作原理,分析了载波移相正弦脉宽调制(carrier phase shifted-sinusoidal pulse width modulation,CPS-SPWM)在这种新型拓扑结构的应用机理,搭建仿真模型分析了两电平级联基于电压源换流器的高压直流输电(voltage source converter based high voltage direct current transmission,VSC-HVDC)技术的谐波情况,并分析了谐波含量与子模块数的关系。This paper introduces a new topology structure and working principle of cascaded two-level voltage source convert-er and analyzes application mechanism of carrier phase shifted-sinusoidal pulse width modulation. In addition, it introduces establishment of simulation model and analyzes harmonic of VSC-HVDC and relationship between harmonic and sub-model number.

关 键 词：电压源换流器的高压直流输电 两电平级联 谐波 载波移相正弦脉宽调制 

分 类 号：TM46[电气工程—电器]