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Inventor:

金涛 (金涛.) [1] (Scholars:金涛) | 褚福亮 (褚福亮.) [2]

Indexed by:

incoPat

Abstract:

本发明涉及提供一种基于EEMD与能量法的谐振接地配电网单相接地故障选线方法。该方法首先确定故障的起始时刻,然后取故障起始时刻前、后各1/2工频周期的各出线的零序电流进行EEMD分解,再取出各电流的高频IMF分量和剩余分量,然后分别求取各线路的高频IMF分量和剩余分量的能量和,再求出各线路的能量权重系数,通过分析比较能量权重系数的大小可以判别出故障元件,该方法不易受过渡电阻的影响,抗干扰能力强,判别故障时无需人工操作,当发生不同类型的单相接地故障时,都能够准确判别出故障元件。

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Patent Info :

Type: 发明授权

Patent No.: CN201410497842.2

Filing Date: 2014/9/25

Publication Date: 2017/1/18

Pub. No.: CN104237731B

公开国别: CN

Applicants: 福州大学

Legal Status: 授权

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:

30 Days PV: 3

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