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单相SPWM逆变器的分岔及混沌现象分析

, PP. 101-107

Keywords: SPWM逆变器,分岔,混沌,离散映射

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Abstract:

以基本单相正弦脉宽调制(SPWM)逆变器为研究对象,采用迭代法建立一阶离散模型,应用频闪映射图、折叠图和分岔图,详细描述了系统出现的分岔和混沌现象,借助仿真给出了系统的稳定运行参数域,从时域及频域分析了分岔和混沌行为对系统性能的影响。本文的研究结果将混沌研究从DC/DC变换器推广到DC/AC变换器,为深入研究电力电子变换器的非线性行为打下了基础。

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