区域自治式后备保护分区方案

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摘要提出了一种区域自治式后备保护分区方案。首先制定了保护分区原则, 分别对主站保护范围、边界元件处理方式、主站失效对策等关键原则进行论述。要求分区后保护系统具有以下特点：兼顾信息需求和通信延时, 确保信息的完备性和保护的快速性；每个元件可由至少一个主站独立保护, 简化主站间的配合策略；任一主站决策单元失效时仍能准确判断元件故障, 加强保护系统适应能力。在此基础上提出了保护分区实现方法, 定义狭义邻接矩阵完成主站选定和主站保护范围划分两项功能。并进一步分析了该分区方案下区域自治式后备保护的动作逻辑, 保证各种情况下故障可靠切除。最后通过实际系统算例分析验证了该方案的有效性。

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关键词 ：区域自治式后备保护, 分区方案, 边界元件, 狭义邻接矩阵, 动作逻辑

Abstract：A zoning scheme of regional autonomy back-up protection was proposed in this paper. Firstly, the zoning principles including the protection scope of main stations, the treatment method of boundary components, and the tactics coping with main stations failure were formulated. With these principles the protection system will possess the following characteristics. The first point is information need and communication delay are balanced to ensure information completeness and protection rapidity. Another is each component can be protected independently by at least one main station for the purpose of simplifying protection coordination strategies. The third is that faults are able to be decided accurately with the decision function failure in any main station so as to enhance the adaptability of the protection system. Based on those, the zoning methods were presented. The narrow sense adjacency matrix was defined to select main stations and divide the protection scope of each main station. Then the paper analyzed the operation logic of regional back-up protection and faults can be cleared reliably in various conditions. At the last, analysis results of the actual system verified the effectiveness of this zoning scheme.

Key words： Regional autonomy back-up protection zoning scheme boundary component narrow sense adjacency matrix operation logic

收稿日期: 2011-06-17 出版日期: 2013-11-27

PACS:

TM77

基金资助:国家自然科学基金重点项目（50837002）, 国家重点基础研究发展计划（973项目）（2012CB215200）和高等学校博士学科点专项科研基金项目（20110036110003）资助。

作者简介: 姜宪国男,1986年生,博士研究生,研究方向为电力系统广域保护。王增平男,1964年生,博士,教授,博士生导师,研究方向为电力系统自动化、继电保护和变电站综合自动化。

引用本文:

姜宪国, 王增平, 李琛, 唐玮. 区域自治式后备保护分区方案[J]. 电工技术学报, 2013, 28(1): 234-241. Jiang Xianguo1 Wang Zengping1 Li Chen1 Tang Wei2. Zoning Scheme of Regional Autonomy Backup Protection. Transactions of China Electrotechnical Society, 2013, 28(1): 234-241.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I1/234

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