开发试验中硅橡胶绝缘超高压直流电缆附件局部放电的测量

Mingyu Zhou, Yuzhen Zhou, Q. Zhuang, Zhengyi Han, X. Lei
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引用次数: 0

摘要

在蓬勃发展的高压直流电缆市场中,开发附件的进度成为主要瓶颈。本文首先介绍用硅橡胶绝缘的直流电缆附件,硅橡胶是一种目前在交流中比在直流中应用得更多的材料。然后介绍和讨论我们在320kv系统的试验经验,以及500kv系统在工厂的初步诊断经验。根据讨论,建议在负荷循环试验前进行局部放电试验,以控制安装质量。
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Measuring Partial Discharge on EHV DC Cable Accessories Insulated with Silicone Rubber in Development Tests
In the booming market of high voltage DC cables, the progress of developing accessories become a main bottleneck. In this paper, we firstly introduce our DC cable accessories insulated with silicone rubber, a material currently applied much more frequently in AC than in DC. Then, our experience on testing the 320 kV system, as well as our preliminary experience on diagnosing the 500 kV system in factory will be introduced and discussed. Based on the discussion, we recommend to perform partial discharge tests before load cycle tests to control the quality of installation.
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