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.
出处
《广东电力》
2013年第9期67-71,共5页
Guangdong Electric Power
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
voltage source converter based high voltage direct current transmission
cascaded two-level converter
harmonic
carrier phase shifted-sinusoidal pulse width modulation
