多电飞机高压直流并联供电系统发展现状与关键技术

doi:10.7527/S1000-6893.2020.24069

机载系统与电子系统专栏

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多电飞机高压直流并联供电系统发展现状与关键技术

张卓然, 许彦武, 于立, 李进才, 夏一文

南京航空航天大学多电飞机电气系统工信部重点实验室, 南京 211106

收稿日期:2020-04-09 修回日期:2020-04-21 出版日期:2021-06-15 发布日期:1900-01-01
通讯作者: 张卓然 E-mail:apsc-zzr@nuaa.edu.cn
基金资助:
国家自然科学基金（51977108，51737006）

Parallel HVDC electric power system for more-electric-aircraft: State of the art and key technologies

ZHANG Zhuoran, XU Yanwu, YU Li, LI Jincai, XIA Yiwen

Center for More-Electric-Aircraft Power System, Nanjing University of Aeronautics and Astronautics, Nanjing 211106, China

Received:2020-04-09 Revised:2020-04-21 Online:2021-06-15 Published:1900-01-01
Supported by:
National Natural Science Foundation of China (51977108,51737006)

摘要/Abstract

摘要： 多电飞机（MEA）逐步实现机载二次能源的统一，可有效提升飞机能源利用率。高压直流（HVDC）供电系统（EPS）从原理上更容易实现电源的并联运行，利于多发动机/多发电机布局下供电容量的扩展，并实现不中断供电，进一步提升系统的供电品质和鲁棒性。分析了高压直流供电系统的特点与优势，系统总结了高压直流并联供电系统的研究现状，在此基础上阐述了并联供电系统的关键技术和问题。提出并构建基于新型双凸极无刷直流发电机的双通道高压直流并联供电系统，实现了系统均流控制，完成高压直流并联供电时突加突卸负载、投入并联、退出并联等动态过程的实验验证。研究结果表明高压直流并联供电系统具有良好的稳态精度与动态性能，在多电乃至全电飞机（AEA）上有重要研究价值和应用潜力，其动态行为、建模方法和控制保护逻辑等问题值得进一步深入研究与实践。

关键词: 多电飞机, 高压直流供电系统, 并联运行, 均流控制, 能量回馈, 稳定性分析, 故障保护

Abstract: The integration of onboard secondary energy is gradually realized by the More Electric Aircraft (MEA), improving the efficiency, reliability, and safety of energy utilization. The High-Voltage DC (HVDC) power supply system with outstanding advantages such as lightweight, low loss, and high reliability can, in principle, realize easier parallel operation of the Electric Power System (EPS), enabling the expansion of the power supply capacity in a multi-engine/multi-generator layout, and hence uninterrupted power supply. In addition, both the electric power quality and reliability of the EPS are improved. The characteristics and advantages of the HVDC EPS are analyzed in this paper, followed by a summary of the research status and the key technical issues of the HVDC parallel EPS. A dual-channel HVDC parallel EPS based on novel doubly salient brushless DC generators is proposed and implemented to achieve current sharing control of the system, and the dynamic responses during sudden load changes, paralleling in, and splitting out are examined. The research has proved that the HVDC parallel EPS provides good steady-state accuracy and dynamic performance, exhibiting important value in the MEA or All Electric Aircraft (AEA) applications. The dynamic behaviors, the modeling method, and the protection logic of the HVDC parallel EPS still require further research.

Key words: more electric aircraft, HVDC parallel electric power systems, aircraft power supply systems, current sharing control, energy regeneration, stability analysis, fault protection

中图分类号:

V424.2

张卓然, 许彦武, 于立, 李进才, 夏一文. 多电飞机高压直流并联供电系统发展现状与关键技术[J]. 航空学报, 2021, 42(6): 624069-624069.

ZHANG Zhuoran, XU Yanwu, YU Li, LI Jincai, XIA Yiwen. Parallel HVDC electric power system for more-electric-aircraft: State of the art and key technologies[J]. ACTA AERONAUTICAET ASTRONAUTICA SINICA, 2021, 42(6): 624069-624069.

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多电飞机高压直流并联供电系统发展现状与关键技术

Parallel HVDC electric power system for more-electric-aircraft: State of the art and key technologies

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