单元串联多电平高压大功率变频器研究  

Research on Multi-level High-voltage Converter with Cell Series

作　　者：李兴宁[1] 王书杰[1] 陈震[1] 

机构地区：[1]泰州职业技术学院电子工程系,江苏泰州225300

出　　处：《大功率变流技术》2010年第3期5-8,共4页HIGH POWER CONVERTER TECHNOLOGY

摘　　要：阐述了单元串联多电平高压变频器的系统结构、工作原理以及移相PWM调制技术,通过Matlab仿真研究,得到变频器输出电压的波形和频谱图,证明了单元串联多电平高压变频器谐波污染小、输入功率因数高、输出波形好等优点。The system structure, working principle and phase-shift PWM modulation method of multi-level high-voltage converter with cell series are discussed. The waveforms of output voltage and spectrogram for converter can be showed from Matlab simulation research. The simulation results prove that this converter has many advantages such as low harmonic pollution, high power factor and perfect output waveform.

关 键 词：单元串联 多电平 高压变频器 移相叠加 

分 类 号：TP21[自动化与计算机技术—检测技术与自动化装置] TN773[自动化与计算机技术—控制科学与工程]