基于CPS-SPWM控制的级联多电平变换器研究

引用文献:

宋辰 岳云涛 朱心月 常昊 王成. 基于CPS-SPWM控制的级联多电平变换器研究[J]. 智能建筑电气技术,2019,49(3)北京市科委计划课题“文物建筑电气火灾监控及防火技术研究与应用示范”资助,项目号:Z171100004417031;.

Song Chen Yue Yuntao Zhu Xinyue Chang Hao Wang Cheng. Research on a Cascaded Multilevel Converter without Power Frequency Transformer Based on CPS-SPWM Control [J]. build,2019,49(3)北京市科委计划课题“文物建筑电气火灾监控及防火技术研究与应用示范”资助,项目号:Z171100004417031;.

作者:宋辰 岳云涛 朱心月 常昊 王成
单位:中国建筑设计研究院有限公司 北京建筑大学电气与信息工程学院
摘要:本文提出了一类新型基于CPS-SPWM控制、无工频变压器级联型多电平变换器的模型, 在matlab/simulink仿真平台上, 对该类模型下的单相五电平、三相五电平及三相七电平级联型逆变器进行系统的仿真研究, 深入地对输出电压的波形及频谱进行调试分析, 并总结出不同条件 (调制度、三角载波频率、级联单元数) 对该结构的多电平逆变器输出电压波形的影响, 验证了所有结论的正确性及这种基于CPS-SPWM控制的新型无工频变压器级联多电平拓扑结构的可行性。
关键词:无工频变压器 级联H桥 多电平逆变器 载波移相控制 谐波
作者简介: 宋辰, 研究生, 设计师, 工程师, Email:songc_234@126.com。
基金:北京市科委计划课题“文物建筑电气火灾监控及防火技术研究与应用示范”资助,项目号:Z171100004417031;
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Research on a Cascaded Multilevel Converter without Power Frequency Transformer Based on CPS-SPWM Control
Song Chen Yue Yuntao Zhu Xinyue Chang Hao Wang Cheng
(China Architecture Design & Research Group China College of Electricity and Information Engineering, Beijing University of Civil Engineering and Architecture)
Abstract: In this paper, a new type of cascaded multilevel converter without power frequency transformer based on CPS-SPWM control is proposed. On the matlab/simulink simulation platform, the single-phase five-level converter based on CPS-SPWM control is studied. The simulation of three-phase five-level and three-phase seven-level cascaded inverter is carried out, the waveform and spectrum of output voltage are debugged and analyzed in depth, and the different conditions ( modulation system, triangular carrier frequency, triangulation carrier frequency, etc.) are summarized. The effect of the number of cascaded cells on the output voltage waveform of the multilevel inverter is verified, which verifies the correctness of all the conclusions and the new method based on CPS-SPWM control. The feasibility of cascaded multilevel topology structure of non-power frequency transformer.
Keywords: non-power frequency transformer; cascaded H bridge; multilevel inverter; carrier phase shift control; harmonic;
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