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author:

陈丽安 (陈丽安.) [1] | 张培铭 (张培铭.) [2]

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CQVIP PKU CSCD

Abstract:

当采用小波分解方法对低压配电系统短路故障进行早期检测时,门限值的合理设置对故障检测的可靠性及灵敏度是至关重要的.本文通过对低压配电系统电动机的起动、过载及线路短路的暂态过程进行深入研究,得到了基于三次B样条小波变换的短路故障早期检测门限值的设置方法.该方法与全波傅里叶模值检测方法相比,不仅可将短路故障与电动机起动、过载正确区分开,而且还可超高速地检测出短路故障.仿真结果证实了该方法的正确性及有效性.

Keyword:

小波变换 早期检测 短路故障 门限值

Community:

  • [ 1 ] [陈丽安]福州大学
  • [ 2 ] [张培铭]福州大学

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Source :

电工技术学报

ISSN: 1000-6753

CN: 11-2188/TM

Year: 2005

Issue: 3

Volume: 20

Page: 64-69

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 6

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