一种新型单相高频隔离Z源AC/AC变换电路

A New Single-phase High-frequency Isolated Z-source AC/AC Converter Circuit

在AC/AC电能变换领域内,为降低成本,减少器件,提出了一种新型单相高频隔离Z源Buck-Boost AC/AC变换电路。相比传统的Z源AC/AC变换电路,节约了器件,提供宽范围的Buck-Boost输出电压,同时输出电压的相位角可逆转或保持,抑制了浪涌和谐波电流,提高电路的可靠性。在对新型Z源AC/AC变换电路原理分析的基础上,根据所设计的参数进行了Simulink仿真,搭建一台实验模型进行验证。实验结果验证了理论分析和参数设计的正确性。

In the field of AC/AC power conversion, a new single-phase high-frequency isolated Z-source Buck-Boost AC/AC converter circuit is proposed to reduce the cost and reduce the devices.Compared to the traditional Z-source AC/AC conversion circuit, it can economize the components and provide a wide range of Buck-Boost output voltage. Furthermore, its output voltage phase angle can be reversed or maintained, and it can suppress the surge and harmonic current and improve circuit reliability.Based on the analysis of the principle of the new Z-source AC/AC convert- er circuit,the simuhnk simulation is carried out according to the designed parameters.An experimental model is set up to verify it.The experimental results verify the correctness of theoretical analysis and parameter design.