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电网技术  2012 

基于故障确信度的广域多重故障识别新算法

, PP. 88-93

Keywords: 故障等效模型,多重故障定位,故障确信度,广域测量系统

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Abstract:

针对广域后备保护多重故障难以识别的问题,提出一种基于故障确信度的广域多重故障识别新算法。该算法在系统发生多重故障后,通过分析故障支路的节点电压方程,推导多重故障支路的故障等效模型,并形成基于该模型的支路电流列向量,在此基础上,利用最小二乘法计算预想故障组合的虚拟故障位置,再通过求取故障确信度,确定真实的故障位置。该方法在故障发生后可以避免重新生成系统导纳矩测量系统不受故障类型和过渡电阻的影响,计算量小,易于实现。新英格兰10机39节点系统仿真结果验证了该算法的正确性和有效性。[36]

References

[1]  王英涛,印永华,蒋宜国,等.我国实时动态监测系统的发展现状及实施策略研究[J].电网技术,2005,29(1l):44-48.Wang Yingtao,Yin Yonghua,Jiang Yiguo.Study on current development situation and implementation strategy of real-time dynamic monitoring system in power systems in China[J].Power System Technology,2005,29(11):44-48(in Chinese).
[2]  丛伟,潘贞存,赵建国,等.基于纵联比较原理的广域继电保护算法研究[J].中国电机工程学报,2006,26(21):8-14.Cong Wei,Pan Zhencun,Zhao Jianguo,et al.A wide area relaying protection algorithm based on longitudinal comparison principle [J].Proceedings of the CSEE,2006,26(21):8-14(in Chinese).
[3]  许树楷,谢小荣,辛耀中.基于同步相量测量技术的广域测量系统应用现状及发展前景[J].电网技术,2005,29(2):45-49.Xu Shukai,Xie Xiaorong,Xin Yaozhong.Present application situation and development tendency of synchronous phasor measurement technology based wide area measurement system [J].Power System Technology,2005,29(2):45-49(in Chinese).
[4]  李丹,韩福坤,郭子明,等.华北电网广域实时动态监测系统[J].电网技术,2004,28(23):52-56.Li Dan,Han Fukun,Guo Ziming,et al.Wide-area real time dynamic Security monitoring system of north China power grid[J].Power System Technology,2004,28(23):52-56(in Chinese).
[5]  林霞,高厚磊.新型广域保护方案的研究[J].继电器,2005,33(7):84-88.Lin Xia,Gao Houlei.Study of a new type of wide-area backup protection scheme[J].Relay,2005,33(7):84-88(in Chinese).
[6]  毛安家,郭志忠.与SCADA互补的WAMS中PMU的配置及数据处理方法[J].电网技术,2005,29(8):71-74.Mao Anjia,Guo Zhizhong. A practical placement of PMU in WAMS complemental to SCADA and data processing method[J].Power System Technology,2005,29(8):71-74(in Chinese).
[7]  丛伟,潘贞存,赵建国,等.基于电流差动原理的广域继电保护系统[J].电网技术,2006,30(5):90-95.Cong Wei,Pan Zhencun,Zhao Jianguo,et al.A wide area protective relaying system based on current differential protection principle [J].Power System Technology,2006,30(5):90-95(in Chinese).
[8]  丁军策,蔡泽祥,王克英.基于广域测量系统的状态估计研究综述[J].电力系统自动化,2006,30(7):98-103.Ding Junce,Cai Zexiang,Wang Keying.An overview of state estimation based on wide-area measurement system[J].Automation of Electric Power Systems,2006,30(7):98-103(in Chinese).
[9]  李振兴,尹项根,张哲,等.广域继电保护故障区域的自适应识别方法[J].电力系统自动化,2011,35(16):15-20.Li Zhenxing,Yin Xianggen,Zhang Zhe,et al.An adaptive identification method of fault region for wide area protection [J].Automation of Electric Power Systems,2011,35(16):15-20(in Chinese).
[10]  徐慧明,毕天姝,黄少锋,等.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.Xu Huiming,Bi Tianshu,Huang Shaofeng,et al.A wide area backup protection scheme based on flow transferring relativity factor [J].Power System Technology,2006,30(15):65-71(in Chinese).
[11]  徐慧明,毕天姝,黄少锋,等.计及暂态过程的多支路切除潮流转移识别算法研究[J].中国电机工程学报,2007,27(26):24-30.Xu Huiming,Bi Tianshu,Huang Shaofeng,et al.Flow transferring identification algorithm for multi-branches removal event with consideration of transient phenomena[J].Proceedings of the CSEE,2007,27(26):24-30(in Chinese).
[12]  丁伟,何奔腾,王慧芳.广域继电保护系统研究综述[J].电力系统保护与控制,2012,40(1):145-155.Ding Wei,He Benteng,Wang Huifang. Overview of wide-area relaying protection system[J].Power System Protection and Control,2012,40(1):145-155(in Chinese).
[13]  王慧芳,何奔腾.利用状态量信息的集合保护规范化判据研究[J].中国电机工程学报,2008,28(22):81-86.Wang Huifang,He Benteng.Study on normative criterion for aggregate protection based on digital information[J].Proceedings of the CSEE,2008,28(22):81-86(in Chinese).
[14]  李群山.华中电网500 kV系统相继故障特点及调度处理方法浅析[J].华中电力,2006,19(6):29-31.Li Qunshan.The study of central China power grid 500 kV system multi-fault characteristic and dispatch deal method[J].Central China Power,2006,19(6):29-31(in Chinese).
[15]  秦晓辉,毕天姝,杨奇逊.基于广域同步量测的电力系统扰动识别与定位方法[J].电网技术,2009,33(12):35-41.Qin Xiaohui,Bi Tianshu,Yang Qixun.WAMS based power system disturbance identification and location approach[J].Power System Technology,2009,33(12):35-41(in Chinese).

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