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文章摘要
基于同步数据的电力系统不同保护方式下故障在线定位
Real-Time and Online Location of faults of Power System based on Synchronized Data of Protection Schemes
Received:January 31, 2019  Revised:January 31, 2019
DOI：
中文关键词: 同步数据  电力系统保护  实时在线分析  保护指标计算
英文关键词: Synchronized Data  Power System Protection Scheme  Real-Time and Online Analysis  calculation of index of different protections
基金项目:国家电网公司西南分部科技项目：继电保护定值一体化风险管控体系研究（SGXN0000DDJS1800004）
Author NameAffiliationE-mail
liuqin* State Grid Southwest Division jsczmlp@sina.com 
杨可   
蒋航   
熊俊   
王新花   
钟璐   
徐岩   
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中文摘要:
      电力系统保护机制出现故障可导致保护装置拒动或者误动，影响系统的安全稳定运行。大数据处理技术在电力系统中逐渐应用使得电力系统保护可以实时在线分析，因此可在一定程度上避免级联事故。本文提出了一种基于大数据同步信息的保护在线分析机制。首先选取大数据量测节点并对电压和电流量测数据进行处理。为了分析保护装置的动作情况，依据网络拓扑结构得到所选节点的同步数据。然后提出了该同步数据计算的距离保护、方向保护和过电流保护下的指标，并构建了以该指标为变量的继电保护装置故障识别函数，经过计算故障下的函数值以确定继电保护动作矫正方案。最后在IEEE39节电系统中进行了仿真分析。
英文摘要:
      
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