3P3W Grid-Connected Hybrid-Frequency Parallel Inverter System With Wireless Synchronization

被引：1

作者：

Wu, Tsai-Fu ^{[1
]}

Sakavov, Temir ^{[1
]}

Hung, Chien-Chih ^{[1
]}

Chiu, Jui-Yang ^{[1
]}

机构：

[1] Natl Tsing Hua Univ, Dept Elect Engn, Hsinchu 30013, Taiwan

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2023年 / 38卷 / 12期

关键词：

Synchronization; Inverters; Attenuation; Wireless communication; Inductors; Switches; Topology; Power grids; Control synchronization; direct digital control; division-summation (D-Sigma) process; grid connection; hybrid-frequency parallel converters; three-phase three-wire (3P3W) inverters; OPTIMIZATION; EFFICIENCY; PWM;

D O I：

10.1109/TPEL.2023.3311401

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this article, an extension of the hybrid-frequency parallel inverter system (HbFPIS) belonging to wide-bandgap/silicon (WBG/Si) hybrid family is discussed. HbFPIS contains two inverters connected in parallel, each having a specific function. The low-frequency high-power inverter's primary function is to achieve high power output with low-frequency modulation. The high-frequency low-power inverter, having a high dynamic response, is used to improve output current quality by ripple attenuation. In this article, three-phase three-wire (3P3W) HbFPIS topology is designed and implemented. The ripple compensation in 3P3W HbFPIS topology involves ripple models presented in this article. A wireless carrier synchronization algorithm based on ripple modeling is implemented, resulting in autonomy and increased reliability of the parallel modules. Simulated and experimental results from 20-kVA grid-connected 3P3W HbFPIS have confirmed the analysis and discussion.

引用

页码：14930 / 14941

页数：12

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