基于MATLAB的多电平高压变频器的仿真研究  

Research on Simulation of Multilevel High Voltage Frequency Converter Based on MATLAB

作　　者：周凌[1] 葛照强[2] 

机构地区：[1]湖南工业大学冶金校区,湖南株洲412000 [2]上海电器科学研究所,上海200063

出　　处：《湖南工业大学学报》2008年第4期64-66,共3页Journal of Hunan University of Technology

摘　　要：级联式多电平变频器具有输出波形好、谐波含量低、无需滤波器等特点。在介绍级联式多电平变频器工作原理的基础上,对多载波控制算法进行了分析和研究。为了降低系统的研发成本和加快系统研发进程,使用MATLAB软件进行系统建模与控制算法的仿真。结果表明,级联式变频器能够有效抑制电压变化率和共模电压,且谐波含量低。仿真结果与理论分析一致,验证了MATLAB软件应用于多电平变频器系统分析的可行性,为研究分析级联式变频器提供一条新途径。The cells cascaded multilevel frequency converter has many perfect characteristics, such as good output waveform, low harmonic, no filter and so on. The multi-carrier arithmetic is analyzed after the introduction of the multilevel cascaded converter. In order to reduce the cost and accelerate the step of researching, the building of system module and simulating of multi-carrier arithmetic have done by MATLAB software. The results show that this kind of converter can choke back the voltage changing rate and common-mode voltage and the harmonic wave content can also decrease. The results are in accord with theoretical analysis, which proves that it is feasible to use MATLAB software to analyze the system of multilevel converter. And another new way is offered to analyze cells cascaded frequency converter.

关 键 词：多电平 多载波 级联 仿真 

分 类 号：O521[理学—高压高温物理]