| 基于潮流转移因子的广域后备保护方案 |
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| 引用本文： | 徐慧明,毕天姝,黄少锋,杨奇逊. 基于潮流转移因子的广域后备保护方案[J]. 电网技术, 2006, 30(15): 65-71 |
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| 作者姓名： | 徐慧明 毕天姝 黄少锋 杨奇逊 |
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| 作者单位： | 电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206;电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206;电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206;电力系统保护与动态安全监控教育部重点实验室(华北电力大学),北京市,昌平区,102206 |
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| 基金项目： | 2006年度教育部科学技术研究重点项目(106052) |
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| 摘 要： | 针对潮流转移引起的连锁跳闸问题,分析了现有后备保护方案存在的缺陷,提出了一种基于广域测量系统(WAMS)的可识别潮流转移的新型后备保护方案,引入了用于估算发生潮流转移后电网中潮流分布的潮流转移因子(flowtransferringrelativityfactor,FTRF)的概念,推导了FTRF矩阵的计算方法。对新英格兰10机39节点系统进行了潮流转移的仿真计算,验证了所提出广域后备保护方案的有效性。
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| 关 键 词： | 潮流转移因子 广域后备保护 广域测量系统(WAMS) 电力系统 |
| 文章编号： | 1000-3673(2006)15-0065-07 |
| 收稿时间： | 2006-02-15 |
| 修稿时间： | 2006-02-15 |
A Wide Area Backup Protection Scheme Based on Flow Transferring Relativity Factor |
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| XU Hui-ming,BI Tian-shu,HUANG Shao-feng,YANG Qi-xun. A Wide Area Backup Protection Scheme Based on Flow Transferring Relativity Factor[J]. Power System Technology, 2006, 30(15): 65-71 |
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| Authors: | XU Hui-ming BI Tian-shu HUANG Shao-feng YANG Qi-xun |
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| Affiliation: | Key Laboratory of Power System Protection and Dynamic Security Monitoring and Control ( North China Electric Power University |
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| Abstract: | To solve the cascading tripping caused by power flow transferring,the defects of existing backup protection are analyzed,and the scheme of a new type of backup protection based on wide area measurement system(WAMS),which can identify power flow transferring,is proposed.The concept of flow transferring relativity factor(FTRF),which can be used to evaluate the power flow distribution in power system after the power flow transferring occurred,is led into the proposed scheme,and a method to calculate FTRF matrix is deduced.Taking New England 10-unit 39-bus system as the case,the power flow transferring is simulated and simulation results show that the proposed wide area backup protection scheme is effective. |
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| Keywords: | flow transferring relativity factor(FTRF) wide area backup protection wide area measurement system(WAMS) power system |
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