ACTA AERONAUTICAET ASTRONAUTICA SINICA >
Aircraft rectifier with common ground of AC and DC power based on polarity conversion
Received date: 2023-09-06
Revised date: 2023-09-26
Accepted date: 2023-11-07
Online published: 2023-11-22
Supported by
National Natural Science Foundation of China(52277183)
The high voltage DC power supply is obtained by rectifying the three-phase AC power supplied by the aircraft generator in the common ground aircraft AC/DC hybrid system. Considering the low power density and reliability of the generally used multi-pulse Transformer-Rectifier-Unit （TRU） and the rectifier with high frequency galvanic isolation， a non-isolated rectifier scheme is proposed. The proposed rectifier is composed of a non-isolated Auto TRU （ATRU） and a non-isolated bipolar-unipolar DC/DC converter. Based on an analysis of the topology characteristics of the novel rectifier， a non-isolated bipolar-unipolar soft-switching DC/DC converter topology and the cooperative control strategy are proposed. The high power factor input and stable DC output of the converter are validated by simulation and experimental results. Compared with other high power aviation rectifiers， the presented one can improve the reliability and power density obviously.
Haichun LIU , Yang LI , Shaojun XIE . Aircraft rectifier with common ground of AC and DC power based on polarity conversion[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2024 , 45(13) : 329539 -329539 . DOI: 10.7527/S1000-6893.2023.29539
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