Abstract：In this paper, a digital controlled 400Hz three-phase four-wire PWM rectifier with high power factor is designed for an aeronautical AC-DC converter. Static error exists in direct current control strategy due to sinusoidal reference. So space vector control strategy is used in this paper to realize zero-static-error and high input power factor. In three-phase four-wire topology, the output voltage of the series capacitors may imbalance. So the output voltage balancing outer loop in series with neutral current inner loop control strategy is proposed in this paper to realize voltage balance of series capacitors. At last, both Saber simulation results and experimental results verify the validity and feasibility of the control scheme.
石健将, 杨永飞, 王文杰, 张际海, 张建国. 数字控制400Hz三相四线高功率因数PWM整流器研究[J]. 电工技术学报, 2012, 27(5): 143-148.
Shi Jianjiang, Yang Yongfei, Wang Wenjie, Zhang Jihai, Zhang Jianguo. Digital Controlled 400Hz Three-Phase Four-Wire PWM Rectifier with High Power Factor. Transactions of China Electrotechnical Society, 2012, 27(5): 143-148.
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2012, Vol. 27 
