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author:

张怡真 (张怡真.) [1] | 金涛 (金涛.) [2]

Indexed by:

CQVIP

Abstract:

当配电网发生单相接地故障时,故障点同侧的暂态零序电流具有一致的主谐振频率,而故障点两侧的电流主谐振频率差异较大。根据这一特征,本文提出了一种基于自适应噪声的完备集合经验模态分解(CEEMDAN)能量相对熵的故障区段定位方法来识别此差异,计算得到熵值最大的区段即可判断为故障区段。经仿真分析,该方法在不同的故障条件下均能定位出故障区段,且不受噪声影响,具有很高的准确性和可靠性。

Keyword:

CEEMDAN 区段定位 单相接地故障 能量相对熵

Community:

  • [ 1 ] 福州大学电气工程与自动化学院,福州350108

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Source :

电气技术

ISSN: 1673-3800

Year: 2018

Issue: 9

Volume: 19

Page: 19-22

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count: -1

30 Days PV: 6

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