Insulation Degradation Analysis on Electrical Machines Under Fast and Repetitive Voltage Pulses: A Review

IF 3.1 3区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Dielectrics and Electrical Insulation Pub Date : 2025-04-15 DOI:10.1109/TDEI.2025.3561093

R. Madavan;Abderrahmane Beroual;C. Thirumurugan

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引用次数: 0

Abstract

The insulation degradation in electrical machines is a critical concern, especially under the influence of modern power electronics-based variable frequency drives. Hence, it increases the occurrence of fast and repetitive voltage pulses on the insulation system. This review article offers a comprehensive perspective on the mechanisms and factors contributing to insulation degradation under these conditions. Review on two decades of research and development in the field, this article synthesizes findings from key studies, highlighting critical degradation processes, such as partial discharges, electrical treeing, and thermomechanical stresses are the highlights of this article. Additionally, it discusses recent advancements in mitigation strategies and design improvements aimed at enhancing insulation resilience. The insights presented herein are pivotal for improving the reliability and extending the operational lifespan of electrical machines in modern industrial applications.

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快速重复电压脉冲作用下电机绝缘退化分析综述

电机的绝缘退化是一个关键问题，特别是在现代电力电子变频驱动的影响下。因此，它增加了绝缘系统上快速和重复电压脉冲的发生。这篇综述文章提供了在这些条件下导致绝缘退化的机制和因素的全面观点。本文回顾了二十年来该领域的研究和发展，综合了重点研究成果，重点介绍了部分放电、电树和热机械应力等关键降解过程。此外，它还讨论了旨在提高绝缘弹性的缓解策略和设计改进方面的最新进展。本文提出的见解对于提高可靠性和延长现代工业应用中电机的使用寿命至关重要。

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 Dielectrics and Electrical Insulation 工程技术-工程：电子与电气

CiteScore

6.00

自引率

22.60%

发文量

309

审稿时长

5.2 months

期刊介绍： Topics that are concerned with dielectric phenomena and measurements, with development and characterization of gaseous, vacuum, liquid and solid electrical insulating materials and systems; and with utilization of these materials in circuits and systems under condition of use.