Modeling Electrical Aging of Polyimide Kapton HN Under High-Voltage High-Frequency Pulse Waveforms

被引：5

作者：

Mirza, Arshiah ^{[1
]}

Chen, Weiqiang ^{[1
]}

Bazzi, Ali ^{[1
]}

Nguyen, Hiep ^{[2
]}

Cao, Yang ^{[2
]}

Hao, Liwei ^{[3
]}

机构：

[1] Univ Connecticut, Power Elect & Drives Adv Res Lab, Storrs, CT 06269 USA

[2] Univ Connecticut, Elect Insulat Res Ctr, Storrs, CT 06269 USA

[3] Gen Elect Global Res Ctr, Schenectady, NY 12309 USA

来源：

IEEE TRANSACTIONS ON DIELECTRICS AND ELECTRICAL INSULATION | 2022年 / 29卷 / 06期

关键词：

AC motor drives; frequency; life estimation; modeling; polyimide films; pulsewidth modulation; time-to-failure; INSULATION; PREDICTION;

D O I：

10.1109/TDEI.2022.3204075

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Large voltage transients due to power electronic inverters are one of the major factors influencing the insulation lifetime. This article studies the effect of square voltage transients and switching frequency on insulation breakdown time based on the series of voltage endurance tests. A medium-voltage power-electronics inverter testbed is built to stress polyimide films Kapton HN with square waveforms at different frequencies. The voltage endurance test data are used to develop behavioral aging models and identify the effect of voltage transients and switching frequencies on insulation breakdown time. Results show a new correlation between switching frequency, insulation thickness, and voltage stress that have not been covered in the literature before.

引用

页码：2394 / 2401

页数：8

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