AC Voltage Synthesis Using Arbitrary Two-Phase Voltages: Frequency, Phase, and Amplitude Modulation for Direct AC-AC Power Conversion

被引：2

作者：

Zhu, Bingda ^{[1
]}

Liu, Chuang ^{[1
]}

Guo, Dongbo ^{[1
]}

Kong, Lingguo ^{[1
]}

Cai, Guowei ^{[1
]}

Sun, Heyang ^{[1
]}

Shao, Xinming ^{[1
]}

机构：

[1] Northeast Elect Power Univ, Key Lab Modern Power Syst Simulat & Control & Ren, Jilin 132012, Jilin, Peoples R China

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2022年 / 37卷 / 10期

关键词：

Voltage control; Voltage; AC-AC converters; Harmonic analysis; Frequency synthesizers; Matrix converters; Frequency modulation; Controllable three-phase voltages; current harmonic elimination; direct ac-ac power conversion; voltage syn thesis; VIRTUAL QUADRATURE SOURCES; MATRIX-CONVERTER; HVDC;

D O I：

10.1109/TPEL.2022.3176398

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：

Usually, the dc-link is employed as the intermediate stage of ac-ac power conversion for high controllability, good output quality, and stability, while the large-volume dc capacitors will lead to high equipment failure rate and maintenance cost. This article proposes an arbitrary two-phase input voltages based ac voltage synthesis method for direct ac-ac power conversion, which can realize the three-phase output voltages with controllable frequency, amplitude, and phase. Besides, the current harmonics generated by the proposed voltage synthesis method can be eliminated naturally through the phases' cross-coupling. This feature avoids the harmonic pollution to the input currents. The corresponding modulation strategy for ac voltage synthesis is derived and analyzed in detail. Finally, a 3-kW experimental prototype is constructed. The results are consistent with the theoretical analysis.

引用

页码：11855 / 11864

页数：10

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