基于双闭环反馈的多电动航空发动机动力系统控制

2019 International Conference on Electrotechnical Complexes and Systems (ICOECS) Pub Date : 2019-10-01 DOI:10.1109/ICOECS46375.2019.8950008

Cong Lin, Lingfei Xiao, R. Sattarov

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引用次数: 2

摘要

现代电动化程度更高的航空发动机对电能和安全运行有更高的要求。传统的飞机供电系统相对不足。高压直流发电系统以其效率高、质量轻、可靠性高等优点，已成为飞机供电系统的首选。然而，传统的PI稳压方案由于直流电源系统输出端滤波电容大，不能满足系统的动态性能要求。为此，本文建立了高压直流发电系统模型，提出了一种基于励磁电流前馈和负载电压反馈的双闭环反馈调压技术，以保证电力系统的稳定运行。从理论上分析了双闭环反馈系统的稳态和动态特性。仿真结果表明，所设计的双闭环反馈稳压器能使系统快速响应，验证了所设计系统的有效性和可行性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Power System Control of More-electric Aircraft Engine Based on Double Closed Loop Feedback

Modern more-electric aircraft engine has higher requirements for electrical energy and security operation. The traditional aircraft power supply system is relatively inadequate. High-voltage DC power generation system has become the first choice of aircraft power supply system because of its advantages of high efficiency, light quality and high reliability. However, the traditional PI voltage regulation scheme cannot meet the dynamic performance requirements of the system because of the large capacitance used for filtering at the output of DC power system. Therefore, this paper establishes a model of High-voltage DC power generation system and proposes a double closed-loop feedback voltage regulator technology based on excitation current feedforward and load voltage feedback to ensure the stable operation of the power system. The steady-state and dynamic characteristics of the double closed-loop feedback system are analyzed in theory. The simulation results show that the designed double closed-loop feedback voltage regulator can make the system respond quickly, which verifies the effectiveness and feasibility of the designed system.

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2019 International Conference on Electrotechnical Complexes and Systems (ICOECS)

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