在不同压力条件下对II型绝缘寿命进行准确评估的试验电压等级评估

IF 5.7 2区计算机科学 Q1 ENGINEERING, AEROSPACE IEEE Transactions on Aerospace and Electronic Systems Pub Date : 2025-01-20 DOI:10.1109/TAES.2025.3531842

Yatai Ji;Paolo Giangrande;Weiduo Zhao;Jing Zhang;Pinjia Zhang

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引用次数: 0

摘要

电应力的迅速增加加剧了绝缘局部放电和电老化的危险。在安全至关重要的飞机应用中，对电机（EMs）进行准确的寿命估计对于确保可靠性至关重要。环境压力对PD活性诱导的ⅱ型绝缘电老化过程有显著影响。在加速老化试验中，试验电压的选择不当可能导致对寿命的错误估计。本文通过加速电老化试验和6个压力等级下局部放电起始电压的测量，准确确定了允许电压等级。这些发现为绝缘设计提供了有价值的指导，并使飞机应用的电磁系统能够进行精确的可靠性评估。

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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Assessment of Test Voltage Levels for Accurate Type II Insulation Lifetime Evaluation Under Different Pressure Conditions

The rapid increase in electric stress intensifies the risk of partial discharge (PD) and electrical aging in insulation. In aircraft applications where safety is critical, accurate lifetime estimation of the electrical machines (EMs) is paramount to ensure reliability. The electrical aging process of Type II insulated EMs induced by PD activity is significantly influenced by ambient pressure. Improper selection of test voltage during accelerated aging tests can lead to misleading estimations of lifetime. This article accurately determines the permissible voltage levels based on accelerated electrical aging tests and measurement of partial discharge inception voltage at six pressure levels. These findings provide valuable guidelines for insulation design and enable precise reliability assessment of EM for aircraft applications.

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来源期刊

IEEE Transactions on Aerospace and Electronic Systems 工程技术-电信学

CiteScore

7.80

自引率

13.60%

发文量

433

审稿时长

8.7 months

期刊介绍： IEEE Transactions on Aerospace and Electronic Systems focuses on the organization, design, development, integration, and operation of complex systems for space, air, ocean, or ground environment. These systems include, but are not limited to, navigation, avionics, spacecraft, aerospace power, radar, sonar, telemetry, defense, transportation, automated testing, and command and control.