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带Z源的高频环节AC-AC变换器

, PP. 88-94

Keywords: Z源,AC-AC变换器,高频环节,周波变换器

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Abstract:

提出了一种基于Z源的高频环节AC-AC变换器,它是由输入滤波电路、储能电感、输入周波变换器、高频变压器、输出周波变换器、控制开关、输出滤波器依次级联组成。深入分析研究了这种变换器的稳态原理与移相控制策略。最后进行了仿真和实验。仿真和实验结果表明,这种变换器具有输出变压(升/降)、频率可变、高频电气隔离、双向功率流、负载适应能力强等优点,为优良性能的智能万用变压器、正弦交流稳压器、调压器、电网补偿器奠定了关键技术基础。

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