三电平PWM变频调速装置  

THREE LEVEL PWM CONVERSION SPEED-GOVERNING DEVICE

作　　者：钟述文[1] 

机构地区：[1]宝山钢铁集团公司,上海201900

出　　处：《矿业研究与开发》1997年第4期45-48,共4页Mining Research and Development

摘　　要：文章从三电平PWM变频器的输出状态，电压波形，空间电压矢量，谐波等几个方面分析了它的基本结构、控制原理，揭示了六角形空间电压矢量图的内在机理。详细叙述了三电平PWM变频器的优异性能以及它在输出调频、调压和PWM调制控制中的作用。This paper analyzed the basic structure and control principle of three level PWMconverter in its output state,voltage wave shape,space voltage vector and harm0nics aspects,revealed the inherent mechanism of hexagonal space voltage vector diagram,and described the excellent performance of the three level PWM converter and its functions in output frequency modulation,tension modulation and PWM modulation control.

关 键 词：变频调速 三电平变频器 菱形调制 变频调速装置 

分 类 号：TM571[电气工程—电器]