A Battery-Based Auxiliary Power System for an All-Electric Aircraft: A Novel Converter Configuration

IF 4.5 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Industry Applications Pub Date : 2025-06-04 DOI:10.1109/TIA.2025.3576747

Giuseppe Bossi;Concettina Buccella;Carlo Cecati;Francesco Simonetti;Alfonso Damiano

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Abstract

In all-electric airctaft, the Auxiliary Power Units (APU) based on fossil fuels are replaced by energy storage systems equipped with batteries or fuel cells. This paper proposes a novel 115V_rms, 400 Hz DC/AC converter for a 5 kW APU of a lightweight all-electric aircraft. The proposed DC/AC converter employs a Five-Level Cascaded H-Bridge (5-LCHB) supplied by a Triple-Active Bridge (TAB). The TAB allows the independent control of its two output ports while connected to a single electrochemical battery pack. The three-winding high-frequency transformer provides galvanic isolation, endowing reliability to the conversion system. The inherent decoupling condition established between the TAB output ports is modelled, and the proposed DC/AC converter design is assessed with a co-simulation study on PLECS and Matlab/Simulink. The proposed system has been experimentally validated on a scaled converter prototype. The results show that the TAB inherent decoupling condition is reached between the output ports achieving the proper implementation of the Selectvie Harmonic Elimination Pulse Active Width Modulation (SHE-PWM) in the 5-LCHB. Moreover, the control system exhibits good performance dynamics even under output step-load variations.

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基于电池的全电动飞机辅助动力系统：一种新型变换器结构

在全电动飞机中，基于化石燃料的辅助动力装置（APU）被配备电池或燃料电池的能量存储系统所取代。本文提出了一种用于轻型全电动飞机5kw APU的新型115Vrms， 400hz DC/AC变换器。所提出的DC/AC转换器采用由三有源桥（TAB）提供的五电平级联h桥（5-LCHB）。标签允许独立控制其两个输出端口，同时连接到一个电化学电池组。三绕组高频变压器提供电流隔离，赋予转换系统可靠性。对TAB输出端口之间建立的固有去耦条件进行了建模，并通过PLECS和Matlab/Simulink的联合仿真研究对所提出的DC/AC变换器设计进行了评估。该系统已在一个比例转换器样机上进行了实验验证。结果表明，输出端口之间达到了TAB固有去耦条件，实现了5-LCHB中选择性谐波消除脉冲有源宽度调制（SHE-PWM）的正确实现。此外，即使在输出阶跃负载变化下，控制系统也表现出良好的动态性能。

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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来源期刊

IEEE Transactions on Industry Applications 工程技术-工程：电子与电气

CiteScore

9.90

自引率

9.10%

发文量

747

审稿时长

3.3 months

期刊介绍： The scope of the IEEE Transactions on Industry Applications includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.