|
|||||
|
|
| 基于故障匹配度的广域后备保护新原理 | |
| 引用本文： | 马静,李金龙,叶东华,王增平,杨奇逊,李金晖. 基于故障匹配度的广域后备保护新原理[J]. 电力系统自动化, 2010, 34(20): 55-59 |
| 作者姓名： | 马静 李金龙 叶东华 王增平 杨奇逊 李金晖 |
| 作者单位： | 1. 华北电力大学电力系统保护与动态安全监控教育部重点实验室,北京市,102206 2. 成都电业局,四川省成都市,610021 3. 宣城供电公司,安徽省宣城市,242000 |
| 基金项目： | 国家自然科学基金重点项目 |
| 摘 要： | 提出一种基于故障匹配度的广域后备保护新方法.该方法在系统正常运行时,根据系统拓扑和相量测量单元(PMU)的配置情况,形成保护关联域.系统发生故障后,通过分析各关联域内差动电流故障稳态分量,界定故障关联域,计算该关联域内的故障匹配度,并据此确定具体的故障位置.采用新英格兰10机39节点系统的分布参数模型进行仿真验证,结果表明该方法不受系统运行方式的影响,能够在PMU有限测点情况下快速、灵敏、可靠地实现故障定位,且在定位过程中无需修改系统矩阵,计算量小,易于实现. |
| 关 键 词： | 广域后备保护 相量测量单元(PMU) 保护关联域 故障匹配度 分布参数 |
| 收稿时间： | 2010-03-03 |
| 修稿时间： | 2010-09-29 |
A Novel Wide-area Back-up Protection Principle Based on Fault Matching Degree |
|
| MA Jing,LI Jinlong,YE Donghu,WANG Zengping,YANG Qixun,LI Jinhui. A Novel Wide-area Back-up Protection Principle Based on Fault Matching Degree[J]. Automation of Electric Power Systems, 2010, 34(20): 55-59 | |
| Authors: | MA Jing LI Jinlong YE Donghu WANG Zengping YANG Qixun LI Jinhui |
| Affiliation: | MA Jing1,LI Jinlong2,YE Donghua1,WANG Zengping1,YANG Qixun1,LI Jinhui3(1. Key Laboratory of Power System Protection , Dynamic Security Monitoring , Control under Ministry of Education,North China Electric Power University,Beijing 102206,China,2. Chengdu Electric Power Bureau,Chengdu 610021,3. Xuancheng Power Supply Company,Xuancheng 242000,China) |
| Abstract: | A novel wide-area back-up protection principle utilizing fault matching degree (FMD) is presented. During normal operation of the power system,the protection associated area (PAA) is formed based on the placement of phasor measurement units (PMUs) and the network topology. When fault occurs,by calculating the fault steady state component of differential current within each PAA,the fault associated area (FAA) is determined. The FMD therein is then calculated to precisely locate the fault. Verification by sim... |
| Keywords: | wide-area back-up protection phasor measurement units (PMUs) protection associated area (PAA) fault matching degree (FMD) distributed parameters |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |
| 点击此处可从《电力系统自动化》浏览原始摘要信息 | |
| 点击此处可从《电力系统自动化》下载全文 | |