A Droop Control Based Three Phase Bidirectional AC-DC Converter for More Electric Aircraft Applications

Xiancheng Zheng, Fei Gao, Husan Ali and Huamei Liu
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Xiancheng Zheng: Department of Electrical Engineering, School of Automation, Northwestern Polytechnical University, Xi’an 710000, China
Fei Gao: Department of Engineering Science, University of Oxford, Oxford OX5 1PF, UK
Husan Ali: Department of Electrical Engineering, School of Automation, Northwestern Polytechnical University, Xi’an 710000, China
Huamei Liu: Department of Electrical Engineering, School of Automation, Northwestern Polytechnical University, Xi’an 710000, China

Energies, 2017, vol. 10, issue 3, 1-17

Abstract: This paper addresses the design and implementation of a droop controlled three phase bidirectional AC-DC converter for more electric aircraft (MEA) applications. A unified control strategy using a droop characteristic is presented to achieve the bidirectional power flow between the AC and DC source while maintaining a stable DC output voltage. Based on the rigorous control design, the converter is capable of operating over a wide frequency range with a unity power factor. The key findings obtained from the theoretical analysis are confirmed by simulation studies and further validated by a scaled down laboratory prototype. The practical results show good performance of the bidirectional converter and demonstrate the effectiveness of the proposed control strategies.

Keywords: bidirectional converter; more electric aircraft; variable frequency; droop control; LCL-filter (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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