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author:

陈群静 (陈群静.) [1] | 蔡金锭 (蔡金锭.) [2] | 叶荣 (叶荣.) [3]

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CQVIP

Abstract:

变压器绝缘的微水含量是影响其寿命重要因素之一.本文基于去极化电量和介电响应理论,提取去极化电流始端去极化电量Soil和末端去极化电量Spaper来评估变压器油纸绝缘的微水含量.首先,比较绝缘油和绝缘纸在不同水分含量下的去极化电流曲线变化;然后,根据去极化电流曲线的介电响应参数辨识结果提取特征量Soil和Spaper,分析结果表明,Soil与Spaper均随着绝缘油或纸中微水含量的增加呈现指数规律增长.最后,通过实例验证所提特征量能较好地评估变压器油纸绝缘的微水含量.

Keyword:

去极化电量 参数辨识 变压器 微水评估 油纸绝缘

Community:

  • [ 1 ] [陈群静]福州大学
  • [ 2 ] [蔡金锭]福州大学
  • [ 3 ] [叶荣]福州大学

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Source :

电气技术

ISSN: 1673-3800

CN: 11-5255/TM

Year: 2019

Issue: 3

Volume: 20

Page: 62-66

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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