Methods of Characterisation of DC Partial Discharge in Polymeric Cable Insulation

被引：0
|
作者：
Morris, Euan A. [1 ]
Siew, W. H. [1 ]
Given, Martin J. [1 ]
机构：
[1] Univ Strathclyde, Dept Elect & Elect Engn, Glasgow, Lanark, Scotland
来源：
2018 IEEE CONFERENCE ON ELECTRICAL INSULATION AND DIELECTRIC PHENOMENA (IEEE CEIDP) | 2018年
基金：
英国工程与自然科学研究理事会;
关键词：
Partial Discharges; HVDC Insulation; Power Cables; Polypropylene Insulation; Polyethylene Insulation;
D O I：
暂无
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：
Partial discharge monitoring is frequently used in AC cable systems, and there exists a strong desire for the same for DC cables within the electrical power industry, given their recent increased use. However, DC PD is a less well understood phenomenon. This paper provides analysis of three methods of partial discharge characterisation: pulse duration and amplitude analysis, frequency-domain spectra analysis, and partial discharge inception voltage analysis in artificially-created voids in polymeric cable insulation samples (polyethylene and polypropylene) under both AC and positive and negative DC excitations. From these a 'finger-print' of the defects can be determined based on the distribution of energy within the discharge frequency spectrum, and the inception voltage.
引用
收藏
页码：494 / 497
页数：4
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