一种继电保护定值在线校核评估方法

ZHANG Haixiang; LVFeipeng; LIAO Xiaojun

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一种继电保护定值在线校核评估方法

更新时间：2025-08-13

- 一种继电保护定值在线校核评估方法
- Automation of Electric Power Systems Vol. 37, Issue 3, Pages: 98-103(2013)
- 作者机构：
  
  1. 四川大学电气信息学院,四川省,成都市,610065
  2. 四川电力职业技术学院,四川省,成都市,610072
- 作者简介：
- 基金信息：
- DOI：
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- Published：2013
- 稿件说明：
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ZHANG Haixiang, LVFeipeng, LIAO Xiaojun. [J]. Automation of electric power systems, 2013, 37(3): 98-103.
DOI：

ZHANG Haixiang, LVFeipeng, LIAO Xiaojun. [J]. Automation of electric power systems, 2013, 37(3): 98-103. DOI：

摘要

为了使继电保护定值校核工作更加科学有效，提出了基于保护重要度的继电保护定值在线校核新方法。首先建立了元件停运模型;然后利用事件树分析法构造相关停运事件树，从而得到不同的系统状态;最后基于风险理论计算出线路和保护的重要度指标排序，根据保护重要度降序排序可进行在线校核保护定值。通过IEEE9节点系统的分析，验证了该方法的可行性及正确性。

Abstract

In order to make the verification of relay protection setting more scientific and effective，a new method for on-line verification of relay protection setting based on protection importance is presented. Firstly，the component outage models are developed. Secondly，the related outage event tree is constructed by using the event tree analysis method，thus resulting in obtaining different system states. Finally，the order of line importance and protection importance indicators is found by calculation based on the risk theory. According to the descending order of protection importance，on-line verifying the protection of values can be conducted. It is shown by IEEE9-bus system that the method is feasible and correct.

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