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

页码：494 / 497

页数：4

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