人为缺陷特高压附件高频局部放电特性研究

2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132) Pub Date : 2000-10-15 DOI:10.1109/CEIDP.2000.884050

Su-kil Lee, Chang-Young Lee, Joo-Hum Baek, Dong-Wook Kim, C. Kim

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引用次数: 7

摘要

本文对电缆接头和终端进行了局部放电测量的性能评价。采用金属箔的电容式传感器安装在接头和端子的适当位置。通过高频PD测量，可以在现场(无屏蔽长距离)条件下实现低于10 pC的出色灵敏度。高频PD测量技术是一种有效的超高压电缆附件质量诊断方法。利用该技术，可以对现场情况下电缆系统，特别是电缆附件的可靠性进行验证。

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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Characteristics of high frequency partial discharge for artificially defected extra high voltage accessories

In this paper, the performance evaluation of PD measurement was performed on the cable joints and terminations. The capacitive sensors using metal foil were installed at the appropriated position of joints and terminations. With high frequency PD measurement, an excellent sensitivity below 10 pC could be achieved on on-site (unshielded long distance) conditions. The high frequency PD measurement technique was proven to be an effective diagnostic method for qualification of EHV cable accessories. With this technique, the reliability of the cable system, especially on cable accessories, can be verified on-site condition.

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2000 Annual Report Conference on Electrical Insulation and Dielectric Phenomena (Cat. No.00CH37132)

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