Enhanced quasi-Z-source inverter

Junguo Zhu; Yanping Wang; Shuang Shi; Fengshan Liu

doi:10.1117/12.2652193

10 November 2022 Enhanced quasi-Z-source inverter

Junguo Zhu, Yanping Wang, Shuang Shi, Fengshan Liu

Proceedings Volume 12331, International Conference on Mechanisms and Robotics (ICMAR 2022); 1233104 (2022) https://doi.org/10.1117/12.2652193
Event: International Conference on Mechanisms and Robotics (ICMAR 2022), 2022, Zhuhai, China

Abstract

Z-source inverters are able to use their unique impedance network to achieve the boost function, which can be better suited for applications with a wide range of input voltage variations. However, the conventional Z-source inverter has limited boosting capability and cannot meet the user's demand. And it suffers from the defects of high capacitive voltage stress and high start-up inrush current. In this paper, an enhanced quasi-Z-source inverter is introduced. Compared with the existing quasi-Z-source inverter topology, the enhanced quasi-Z-source inverter has the feature of continuous input current, a larger boosting capacity with the same boost factor and modulation mode, and improved the stability and reliability of the Z-source network.

Citation Download Citation

Junguo Zhu, Yanping Wang, Shuang Shi, and Fengshan Liu "Enhanced quasi-Z-source inverter", Proc. SPIE 12331, International Conference on Mechanisms and Robotics (ICMAR 2022), 1233104 (10 November 2022); https://doi.org/10.1117/12.2652193

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