航空接地故障电弧损伤影响研究与预测

taptap点点手机网页 ›› 2025, taptap点点手机网页版 ›› Issue (1): 75-82.

航空接地故障电弧损伤影响研究与预测

张铁纯 1 ，廖茂桥 1 ，张波 2 ，田雷雷 2 ，司晓亮 2

1. taptap下载安装安卓航空工程学院，天津 300300； 2. 合肥航太电物理技术有限公司，合肥 230031

收稿日期:2024-03-19 修回日期:2024-05-15 出版日期:2025-04-09 发布日期:2025-04-09
作者简介:张铁纯（1972— ），男，天津人，副教授，硕士，研究方向为飞机结构与持续适航
基金资助:
装备预研航空工业联合基金资助项目（20230044067001）

Study and prediction of the effect of aviation grounded faults arc damage

ZHANG Tiechun1 , LIAO Maoqiao1 , ZHANG Bo2 , TIAN Leilei 2 , SI Xiaoliang2

1. College of Aeronautical Engineering, CAUC, Tianjin 300300, China; 2. Hefei Hangtai Electrophysics Co., Ltd., Hefei 230031, China

Received:2024-03-19 Revised:2024-05-15 Online:2025-04-09 Published:2025-04-09

摘要/Abstract

摘要：

故障电弧是飞机电气线缆互联系统（EWIS， electrical wire interconnect systems）最为常见的失效模式之一。

为了研究不同条件参数对电弧损伤的影响，本文根据 SAE AS5692 标准中的振动实验方法，模拟因飞机振

动导致的线束与燃油管路接地故障电弧，开展了机载 28 V 直流电源、400 Hz/115 V 交流电源条件下的接地

故障电弧损伤实验研究，并基于流-固-热耦合数值计算方法建立了电弧损伤预测模型。结果表明：交流电

源条件下的电弧由于瞬时功率较高造成线束熔断时间相比直流电源条件下更短，其电弧损伤明显小于直

流电源条件下的电弧损伤；伴随振动频率增加，线束与管路接触时间延长，电弧损伤与振动频率呈正相关

性；将实验与仿真结果进行对比，两者误差较小，有效验证了电弧损伤预测模型的适用性，为飞机 EWIS 线

束安全评估提供一定参考。

关键词:

电气线缆互联系统（EWIS）, 接地故障电弧, 故障电弧损伤, 流-固-热耦合

Abstract:

Arc fault is one of the most common failure modes in aircraft electrical wire interconnect systems (EWIS). In order to

study the impact of different condition parameters on the arc damage, this paper simulated the grounded fault arc of

wire harness and fuel pipeline caused by aircraft vibration according to the vibration experimental method in SAE

AS5692 standard. The experimental research on grounded fault arc damage was carried out under the conditions of

airborne 28 V direct current (DC) power supply and 400 Hz/115 V alternating current (AC) power supply. And based

on the numerical computation method of fluid-solid thermal coupling, an arc damage prediction model was established. The results show that the arc under AC power conditions has a shorter wire harness melting time due to

higher instantaneous power compared to DC power conditions, and its arc damage is significantly smaller than that

under DC power conditions. As the vibration frequency increases, the contact time between the wire harness and

the pipeline is prolonged, and the arc damage is positively correlated with the vibration frequency. Comparing the

experimental and simulation results, the error between the two is relatively small, which effectively verifies the applicability of the arc damage prediction model and provides a certain reference for the safety assessment of the aircraft EWIS wire harness.

Key words:

electrical wire interconnect systems (EWIS), grounded fault arc, fault arc damage, fluid-solid-thermal coupling

中图分类号:

TM645

张铁纯 , 廖茂桥 , 张波 , 田雷雷 , 司晓亮 .

航空接地故障电弧损伤影响研究与预测

[J]. taptap下载安装安卓学报, 2025, 43(1): 75-82.

ZHANG Tiechun , LIAO Maoqiao , ZHANG Bo , TIAN Leilei , SI Xiaoliang.

Study and prediction of the effect of aviation grounded faults arc damage

[J]. Journal of Civil Aviation University of China, 2025, 43(1): 75-82.

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