基于单端口网络内电阻极性的电压暂降追源方法
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- 论文作者：时昀 ; 倪冰
- 年：2016
- 作者机构：国网盱眙县供电公司;
- 论文关键词：电能质量 ; 电压暂降 ; 源定位 ; 序分量 ; 空间矢量
- 会议召开时间：2016-10-26
- 会议录名称：2016年江苏省城市供用电学术年会论文集
- 语种：中文
- 分类号：TM714.2
- 学会代码：JSKF
- 会议名称：2016年江苏省城市供用电学术年会
- 会议地点：中国江苏南通
- 主办单位：江苏省电机工程学会城市供用电专业委员会
- 学会名称：江苏省电机工程学会城市供用电专业委员会
- 页数：7
- 文件大小：898k
- 原文格式：O
- 会议级别：地方
摘要
电压暂降追源即确定电压暂降扰动源相对于监测装置的位置。本文以对电网故障的分析为切入点,应用端口网络理论,将任何复杂电网在电压暂降源监测装置安装处等效为2个"有源单端口网络",视电网故障为"有源单端口网络"的外部扰动,测量并计算出"有源单端口网络"的内电阻,依据"有源单端口网络"的内部电阻的极性,对电压暂降源相对于电压暂降源监测装置的位置进行判断。内电阻为正,电压暂降源与参考方向相反,即上游;内电阻为负,电压暂降源与参考方向相同,即下游。给出了内部电阻的计算方法。本文所提出的电压暂降源定位方法具有坚实的理论基础。仿真结果表明,该方法对辐射式、非辐射式,以及中性点有效接地和非有效接地的混合电网的电压暂降源定位准确率达到100%。是一种非常实用的电压暂降源定位法。
引文
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[17]程志友,王雪菲,徐佳.一种基于复阻抗的电压暂降定位方法[J].电力系统保护与控制,2016,44(4):149-154.
[18]吕干云,吴育聪.电压暂降源定位的优化综合判据法[J].电力系统保护与控制,2013,41(5):66-71.
[19]何维国,董瑞安,张孝银,等.配电网中电压暂降源定位方法比较[J].电测与仪表,2011,48(8):53-58.
[20]赵莹,赵川,叶华,等.应用主成分分析约简电压暂降扰动源识别特征的方法[J].电力系统保护与控制,2015,43(13):105-110.
[21]张逸,林焱,吴丹岳.电能质量监测系统研究现状及发展趋势[J].电力系统保护与控制,2015,43(2):138-147.
[2]Mark F.Granagham,David R.Mueller,Marek J.Samotyj.Voltage Sags in Industrial Systems[J].IEEE Trans on Industry Applications,1993,29(2):397-403.
[3]陶顺,肖湘宁,刘晓娟.电压暂降对配电系统可靠性影响及其评估指标的研究[J].中国电机工程学报,2005,25(21):63-69.
[4]Samotyj M J,Mielezarski W,Wasiluk-Hassa M M.Electric Power for the digital age[C].10 th International Conference on Harmonics and Quality of Power,Brazil,2002,1:276-282.
[5]C.Li,T.Tayjasanant,W.Xu,et al.Method for voltage-sag detection by investigating slope of the system trajectory[J].IEE.Proc.Gen.Transm.Distrib.2003,150(3),367-372.
[6]A.C.Parsons,W.M.Grady,E.J.Powers,et al.A direction finder for power quality disturbances based upon disturbance power and energy[J].IEEE Trans.Power Delivery.2000,15(3):1081-1086.
[7]杨杰,王金浩,章雪萌,等.基于小波多分辨率分析的电压暂降源定位研究[J],电力系统保护与控制,2010,38(22):90-95.
[8]Roberto Chouhy Leborgne,Readlay Makaliki.Voltage sag source location at grid interconnections:a case study in the zambian system[C].IEEE Lausanne PowerTech.2007,1852-1857.
[9]Wei Kong,Xinzhou Dong,Zhe Chen.Voltage sag source location based on instantaneous energy detection[C].Electric Power System Research.2008,78:1889-1898.
[10]Noraliza Hamzah,Azah Mohamed,Aini Hussain.A new approach to locate the voltage sag source using real current component[J].Electric Power System Research.2004,72(2):113-123.
[11]Noraliza Hamzah,Azah Mohamed,Aini Hussain.Locating voltage sag source at the point of common coupling in industrial distribution systems[C].IEEE PEDS 2005,532-537.
[12]Gao Jie,Li Qun-zhan,Wang Jia.Method for voltage sag disturbance source location by the real current component[J].Power and Energy Engineering Conference,2011,1-4.
[13]Polajzer B,Stumberger G,Seme S,et al.Detection of voltage sag sources based on instantaneous voltage and current vectors and orthogonal Clarke's transformation[J].IET Gener.Transm.Distrib,2008,2(2),219-226.
[14]Thavatchai Tayjasanant,Chun Li,Wilsun Xu.A resistance sign-based method for voltage sag source detection[J].IEEE Transactions on Power Delivery.2005,20(4):2544-2551.
[15]Ashok Kumar,Aurobinda Routray.Applying distance relay for voltage sag source detection[J].IEEE Transactions on Power Delivery.2005,20(1):529-531.
[16]Yu Yilin,Xu Yonghai,Research of method for voltage sag source detection in power distribution network[C].6th IEEE Conference on Industrial Electronics and Applications,2011,485-488.
[17]程志友,王雪菲,徐佳.一种基于复阻抗的电压暂降定位方法[J].电力系统保护与控制,2016,44(4):149-154.
[18]吕干云,吴育聪.电压暂降源定位的优化综合判据法[J].电力系统保护与控制,2013,41(5):66-71.
[19]何维国,董瑞安,张孝银,等.配电网中电压暂降源定位方法比较[J].电测与仪表,2011,48(8):53-58.
[20]赵莹,赵川,叶华,等.应用主成分分析约简电压暂降扰动源识别特征的方法[J].电力系统保护与控制,2015,43(13):105-110.
[21]张逸,林焱,吴丹岳.电能质量监测系统研究现状及发展趋势[J].电力系统保护与控制,2015,43(2):138-147.