基于电压电流模式控制的BBMC稳定性研究

doi:10.16182/j.issn1004731x.joss.201805030

系统仿真学报 ›› 2018, Vol. 30 ›› Issue (5): 1850-1856.doi: 10.16182/j.issn1004731x.joss.201805030

基于电压电流模式控制的BBMC稳定性研究

张小平, 李小秋, 吴智

湖南科技大学海洋矿产资源探采装备与安全技术国家地方联合工程实验室,湖南湘潭 411201

收稿日期:2017-03-16 修回日期:2017-07-18 出版日期:2018-05-08 发布日期:2019-01-03
作者简介:张小平(1966-),男,湖南株洲,博士,教授,硕导,研究方向为电力电子与电力传动、智能控制等;李小秋(1989-),男,湖南耒阳,硕士生,研究方向为电力电子与电力传动。
基金资助:
国家自然科学基金(51477047)

Study on Stability of BBMC Under Voltage and Current Control Mode

Zhang Xiaoping, Li Xiaoqiu, Wu Zhi

National-Local Joint Engineering Laboratory of Marine Mineral Resources Exploration Equipment and Safety Technology, Hunan University of Science and Technology, Xiangtan 411201, China

Received:2017-03-16 Revised:2017-07-18 Online:2018-05-08 Published:2019-01-03

摘要/Abstract

摘要： 针对电压电流模式控制下Buck-Boost矩阵变换器的稳定性进行研究,提出一种Buck-Boost矩阵变换器的非线性建模与分析方法。建立了该变换器在电压电流模式控制下的离散迭代非线性映射模型,通过输出电压采样分布图分析了该控制模式中电压反馈系数K₁与电流比例系数K₂对系统稳定性的影响,确定了参数K₁-K₂的稳定域,并分别利用时域波形图、频闪采样图和折叠图就参数K₁和K₂对变换器稳定性的影响进行了验证分析,最后通过实验验证了上述理论分析的正确性,这对于保证Buck-Boost矩阵变换器的稳定运行具有重要的指导意义。

关键词: Buck-Boost矩阵变换器, 稳定性分析, 电压电流控制模式, 离散迭代数学模型

Abstract: In the paper, the stability of Buck-Boost matrix converter in voltage/current control mode is studied, and a nonlinear modeling and analysis method on the Buck-Boost matrix converter is proposed. The discrete iterative nonlinear mapping model of the converter is established. The influence of voltage feedback coefficient K₁ and current proportional coefficient K₂ on system stability is analyzed by sampling the distribution map of output voltage, hence, the stable domain of K₁-K₂ is determined. The influence on converter stability is verified and analyzed by the time domain waveform, the stroboscopic sampling chart and the folded graph, respectively. The effectiveness of the proposed method is further verified by experiments, which is important for the stable operation of Buck-Boost matrix converter.

Key words: Buck-Boost matrix converter, stability analysis, voltage/current control mode, discrete iterative mathematical model

中图分类号:

TM46

张小平, 李小秋, 吴智. 基于电压电流模式控制的BBMC稳定性研究[J]. 系统仿真学报, 2018, 30(5): 1850-1856.

Zhang Xiaoping, Li Xiaoqiu, Wu Zhi. Study on Stability of BBMC Under Voltage and Current Control Mode[J]. Journal of System Simulation, 2018, 30(5): 1850-1856.

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基于电压电流模式控制的BBMC稳定性研究

Study on Stability of BBMC Under Voltage and Current Control Mode

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