Distribution network fault section positioning method based on primary and secondary fusion switch and traveling wave device

Distribution network fault section positioning method based on primary and secondary fusion switch and traveling wave device

The invention discloses a distribution network fault section positioning method based on a primary and secondary fusion switch and a traveling wave device, and the method comprises the steps: installing the primary and secondary fusion switch and a traveling wave collection device in a distribution...

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Hauptverfasser: ZHANG ZHIHUA, WANG XIAOWEI, SHAO MEIYANG, CHANG XIAOQIANG, QUAN LI, WANG LUJIN, WANG YIZHAO, SI WEIBIN, ZHU CHENGXIANG
Format: Patent
Sprache:chi ; eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator ZHANG ZHIHUA
WANG XIAOWEI
SHAO MEIYANG
CHANG XIAOQIANG
QUAN LI
WANG LUJIN
WANG YIZHAO
SI WEIBIN
ZHU CHENGXIANG
description The invention discloses a distribution network fault section positioning method based on a primary and secondary fusion switch and a traveling wave device, and the method comprises the steps: installing the primary and secondary fusion switch and a traveling wave collection device in a distribution network trunk line, carrying out the partitioning according to the midpoint of the distribution network trunk line, obtaining a partition 1 and a partition 2, and numbering the branch points in each partition; calculating a reference time difference between the partition 1 and the partition 2 according to the line parameters; when a distribution network trunk line breaks down, the three-phase voltage of the partition 1 and the three-phase current of the partition 2 are collected respectively, and Karrenbel transformation is carried out to obtain a voltage traveling wave 1-mode component and a current traveling wave 1-mode component; the partition where the fault is located is judged through an MVMD-Teager energy op
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Distribution network fault section positioning method based on primary and secondary fusion switch and traveling wave device
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