Application of newly developed Epoxy-Anhydride VPI resin for high voltage motors and generators

2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014) Pub Date : 2014-08-01 DOI:10.1109/ICACACT.2014.7223557

Yu Xia, Wen Wang, Chunchu Tao, Cuicui Li, Shaobo He, William Chen

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引用次数: 7

Abstract

Epoxy-Anhydride VPI resin generally has excellent electrical insulation properties, mechanical properties and much lower curing volatile than other types of VPI resins, such as Epoxy Ester-Styrene system and Unsaturated Polyesterimide-Vinyltoluene system. So it is widely used in insulation applications of electrical apparatus. In this paper, a toughness modified epoxy-anhydride VPI resin was developed, and partial evaluation results of the newly developed Epoxy-Anhydride VPI resin on coils for high voltage (HV) motors are reported. The mechanical properties are tested and compared with commercial epoxy-anhydride resin. The electrical insulation properties including dielectric loss, breakdown voltage, partial discharge, electrical aging life etc. of 13.8kV coils for HV motors are studied and compared with the Unsaturated Polyesterimide-Vinyltoluene and commercial epoxy-anhydride VPI resin systems. The results indicate that HV coils treated with this Epoxy-Anhydride VPI resin are of superior insulation properties.

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新研制的环氧酸酐VPI树脂在高压电机和发电机上的应用

环氧-酸酐VPI树脂一般具有优良的电绝缘性能、机械性能和远低于其他类型的VPI树脂，如环氧酯-苯乙烯体系和不饱和聚亚胺-乙烯基甲苯体系。因此广泛应用于电气设备的绝缘应用中。本文研制了一种韧性改性环氧酸酐VPI树脂，并报道了该树脂在高压电机线圈上的部分评价结果。对其力学性能进行了测试，并与市售环氧酸酐树脂进行了比较。研究了高压电机用13.8kV线圈的绝缘性能，包括介电损耗、击穿电压、局部放电、电老化寿命等，并与不饱和聚酰亚胺-乙烯醛和环氧酸酐VPI树脂体系进行了比较。结果表明，用该环氧酸酐VPI树脂处理的高压线圈具有优良的绝缘性能。

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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2014 International Conference on Advances in Communication and Computing Technologies (ICACACT 2014)

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