Research Status and Development Trend of Distribution Cable Test Methods

WANG Chao; CHEN Yun; XIAO Jiapeng; HUANG Tao; WU Chunfang; ZHEN Weiyang; HAO Yanpeng

doi:10.13296/j.1001-1609.hva.2024.04.021

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Research Status and Development Trend of Distribution Cable Test Methods

Research & Analysis | 更新时间：2025-04-26

- Research Status and Development Trend of Distribution Cable Test Methods
- High Voltage Apparatus Vol. 60, Issue 4, Pages: 173-184(2024)
- 作者机构：
  
  1.广东电网有限责任公司江门供电局，广东　江门　 529000
  2.华南理工大学电力学院，广州　 510641
  3.南方电网科学研究院，广州　 510663
- 作者简介：
- 基金信息：
  
  Science & Technology Project of Guangdong Power Grid Co., Ltd.(030700KK52180147)
- DOI：10.13296/j.1001-1609.hva.2024.04.021
  CLC：
- Received：21 November 2023，
  
  Revised：25 January 2024，
  
  Published：16 April 2024
- 稿件说明：
移动端阅览
WANG Chao, CHEN Yun, XIAO Jiapeng, et al. Research Status and Development Trend of Distribution Cable Test Methods[J]. High voltage apparatus, 2024, 60(4): 173-184.
DOI：

WANG Chao, CHEN Yun, XIAO Jiapeng, et al. Research Status and Development Trend of Distribution Cable Test Methods[J]. High voltage apparatus, 2024, 60(4): 173-184. DOI： 10.13296/j.1001-1609.hva.2024.04.021.

摘要

配电电缆是电网设备的重要组成部分，其绝缘缺陷引发局部放电、整体绝缘老化是导致电缆故障的主要原因。为预防电缆故障、保证配网安全可靠运行，研究配电电缆试验方法具有重要意义。文中总结国内外现行试验标准；阐述配电电缆各种试验方法的原理和试验规程，包括工频电压试验、串联谐振电压试验、振荡波电压试验、超低频正弦波电压试验、超低频余弦方波电压试验；重点综述振荡波和超低频电压试验方法的研究现状和存在问题，讨论电缆局放特性；最后总结上述试验方法的优缺点，探讨其在配电电缆绝缘状态诊断应用的主要发展趋势。

Abstract

Distribution cable is an important part of equipment of power grid. Partial discharge and overall insulation aging due to its insulation defects are main reasons leading the the cable failures. For preventing cable failures and ensuring safe and reliable operation of the distribution power grid

it is of great significance to study the test method of distribution cable. In this paper

the existing test standards both at home and abroad are summarized

the principles and test specification of various test methods for distribution cable

including power frequency voltage test

series resonance voltage test

oscillation wave voltage test

very low frequency sinusoidal wave voltage test

very low frequency cosine rectangular wave voltage test

are described. And the study status and the existed problem of the oscillation wave and very low frequency voltage test method is reviewed in detail and the partial discharge characteristic of cable is discussed. Finally

the prons and cons of the test method mentioned above is summarized and its main development trends of their application in the insulation condition diagnosis of distribution cable are discussed.

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