A New Power Electronic Transformation Technology for Single-Phase/Three-Phase
Zhu Yongqiang1, Jia Lihu1, Xie Wenchao1, He Guangquan2, Wang Yinshun1
1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources North China Electric Power University Beijing 102206 China; 2. Beijing BOE Display Technology Co. Ltd Beijing 100176 China
Abstract：This paper studies a novel splitting phase topology based on three-phase full-bridge inverter, which resembles the topology of traditional three-phase full-bridge inverter except for the direct connection of its two-phase output with the two terminals of the single-phase power source. Its operating principles are as follows: single-phase power source first charges the DC capacitor through three-phase full-bridge inverter in a small time period. After the voltage of the DC capacitor achieves stability, three-phase full-bridge inverter can output three-phase symmetrical AC voltage. This paper took the advantage of the power balance method and Kirchhoff’s law to analyze the single-phase to three-phase circuit, and then deduced the output current expression of the inverter when three-phase load side gets symmetrical voltage. PSCAD/EMTDC simulation platform and experiment verified the circuit topology, the result shows that the proposed circuit topology enables single-phase to three-phase conversion, and the power relationship as well as the current relationship are the same with the derived expressions, which proves the validity of the analytical method.
朱永强, 贾利虎, 谢文超, 何光泉, 王银顺. 一种用于单相/三相变换的新型电力电子变换技术[J]. 电工技术学报, 2018, 33(7): 1433-1439.
Zhu Yongqiang, Jia Lihu, Xie Wenchao, He Guangquan, Wang Yinshun. A New Power Electronic Transformation Technology for Single-Phase/Three-Phase. Transactions of China Electrotechnical Society, 2018, 33(7): 1433-1439.
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2018, Vol. 33 
