全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

基于经验模态理论的强迫振荡扰动源定位新方法

DOI: 10.13334/j.0258-8013.pcsee.2014.28.018, PP. 4906-4912

Keywords: 电力系统,强迫振荡,扰动源定位,经验模态,经验模态能量流

Full-Text   Cite this paper   Add to My Lib

Abstract:

为提高扰动源定位的准确性及实现扰动源的自动识别,提出一种基于经验模态理论的强迫振荡扰动源定位新方法。首先,采用经验模态时空滤波功能,将所需电气量的主导分量即与扰动源强相关的分量提取出来;然后,提出经验模态能量流的概念,通过计算经验模态能量流实现扰动源特征的提取;最后,提出一种基于经验模态能量趋势函数的扰动源自动识别新方法,该方法采用基于能量趋势函数计算出的量化指标判断扰动源位置,简洁、直观,实现了扰动源的自动识别。通过实际电网的振荡实例验证了所提方法的有效性及在实际电网中应用的可行性。实例分析表明,所提算法比传统的能量函数法更能准确定位扰动源,且适用于工程应用。

References

[1]  王铁强,贺仁睦,王卫国,等.电力系统低频振荡机理的研究[J].中国电机工程学报,2002,22(2):21-25. Wang Tieqiang,He Renmu,Wang Weiguo,et al.The mechanism study of low frequency oscillation in power system[J].Proceedings of the CSEE,2002,22(2):21-25(in Chinese).
[2]  余一平,闵勇,陈磊.多机电力系统强迫功率振荡稳态响应特性分析[J].电力系统自动化,2009,33(22):5-9. Yu Yiping,Min Yong,Chen Lei.Analysis of forced power oscillation steady-state response properties in multi- machine power system[J].Automation of Electric Power Systems,2009,33(22):5-9(in Chinese).
[3]  韩志勇,贺仁睦,徐衍会,等.基于能量角度的共振机理电力系统低频振荡分析[J].电网技术,2007,31(8):14-16. Han Zhiyong,He Renmu,Xu hanhui,et al.Analysis on power system low frequency oscillation originated in resonance mechanism from viewpoint of energy[J].Power System Technology,2007,31(8):14-16(in Chinese).
[4]  韩志勇,贺仁睦,马进,等. 电力系统强迫功率振荡扰动源的对比分析[J].电力系统自动化,2009,33(3):16-19. Han Zhiyong,He Renmu,Ma Jin,et al. Comparative analysis of disturbance source inducing power system forced power oscillation[J].Automation of Electric Power Systems,2009,33(3):16-19(in Chinese).
[5]  张剑云,李明节,周济,等.三峡巨型电站异常功率波动仿真与试验研究[J].中国电机工程学报,2012,32(16):122-129. Zhang Jianyun,Li Mingjie,Zhou Ji,et al.Simulation and experiment research on the abnormal power fluctuation of the Three Gorges hydropower station[J].Proceedings of the CSEE,2012,32(16):122-129(in Chinese).
[6]  李文锋,郭剑波,李莹,等.基于WAMS 的电力系统功率振荡分析与振荡源定位(1)割集能量法[J].中国电机工程学报,2013,33(25):41-46. Li Wenfeng,Guo Jianbo,Li Ying,et al.Power system oscillation analysis and oscillation source location based on WAMS,part 1:Method of cutset energy [J].Proceedings of the CSEE,2013,33(25):41-46(in Chinese) .
[7]  李文锋,李莹,周孝信,等.基于WAMS 的电力系统功率振荡分析与振荡源定位(2)力矩分解法[J].中国电机工程学报,2013,33(25):47-53. Li Wenfeng,Li Ying,Zhou Xiaoxin,et al.Power system oscillation analysis and oscillation source location based on WAMS,part 2:Method of torques decomposition [J].Proceedings of the CSEE,2013,33(25):47-53(in Chinese).
[8]  李莹,贾文双,李文锋,等.基于起振段波形在线判别电力系统功率振荡性质[J].中国电机工程学报,2013,33(25):54-60. Li Ying,Jia Wenshuang,Li Wenfeng,et al.Online identification of power oscillation properties based on the initial period of wave[J].Proceedings of the CSEE,2013,33(25):54-60(in Chinese).
[9]  汤涌.电力系统强迫功率振荡的基础理论[J].电网技术,2006,30(10):29-33. Tang Yong.Fundamental theory of forced power oscillation in power system[J].Power System Technology,2006,30(10):29-33(in Chinese).
[10]  竺炜,周有庆,谭喜意,等.电网侧扰动引起共振型低频振荡的机制分析[J].中国电机工程学报,2009,29(25):37-42. Zhu Wei,Zhou Youqing,Tan Xiyi,et al.Mechanism analysis of resonance-type low-frequency oscillation caused by networks side disturbance[J].Proceedings of the CSEE,2009,29(25):37-42(in Chinese).
[11]  韩志勇,贺仁睦,徐衍会.由汽轮机压办脉动引发电力系统共振机理的低频振荡研究[J].中国电机工程学报,2005,25(21):14-18. Han Zhiyong,He Renmu,Xu Yanhui. Power system low frequency oscillation of resonance mechanism induced by turbo-pressure pulsation[J].Proceedings of the CSEE,2005,25(21):14-18(in Chinese).
[12]  徐衍会,贺仁睦,韩志勇.电力系统共振机理低频振荡扰动源分析[J].中国电机工程学报,2007,27(17):83-87. Xu Yanhui,He Renmu,Han Zhiyong.The cause analysis of turbine power disturbance inducing power system low frequency oscillation of resonance mechanism [J].Proceedings of the CSEE,2007,27(17):83-87(in Chinese).
[13]  余一平,闵勇,陈磊,等.周期性负荷扰动引发强迫功率振荡分析[J].电力系统自动化,2010,34(6):7-11. Yu Yiping,Min Yong,Chen Lei,et al.Analysis of forced power oscillation caused by continuous cyclical load disturbances[J].Automation of Electric Power Systems,2010,34(6):7-11(in Chinese).
[14]  Jin Ma,Pu Zhang,FU Hongjun,et al.Application of phasor measurement unit on locating disturbance source for low-frequency oscillation[J].IEEE Transactions on Smart Grid 2010,1(3):340-346.
[15]  余一平,闵勇,陈磊,等.基于能量函数的强迫功率振荡扰动源定位[J].电力系统自动化,2010,34(5):1-6. Yu Yiping,Min Yong,Chen Lei,et al.Disturbance source location of forced power oscillation using energy functions[J].Automation of Electric Power Systems,2010,34(5):1-6(in Chinese).
[16]  陈磊,闵勇,胡伟.基于振荡能量的低频振荡分析与振荡源定位(一)理论基础与能量流计算[J].电力系统自动化,2012,36(3):22-27. Chen Lei,Min Yong,Hu Wei.Low frequency oscillation analysis and oscillation source location using oscillation energy,part one:Mathematical foundation and energy flow computation[J].Automation of Electric Power Systems,2012,36(3):22-27(in Chinese).
[17]  陈磊,陈亦平,闵勇,等.张昆基于振荡能量的低频振荡分析与振荡源定位(二)振荡源定位方法与算例[J].电力系统自动化,2012,36(4):1-5. Chen Lei,Min Yong,Hu Wei.Low frequency oscillation analysis and oscillation source location using oscillation energy,part one:Mathematical foundation and energy flow computation[J].Automation of Electric Power Systems,2012,36(4):1-5(in Chinese).
[18]  杨东俊,丁坚勇,李继升,等.基于参数辨识的强迫功率振荡扰动源定位方法[J].电力系统自动化,2012,36(2):26-29. Yang Dongjun,Ding Jianyong,Li Jisheng,et al. A disturbance source location method for forced power oscillations based on parameter identification [J].Automation of Electric Power Systems,2012,36(2):26-29(in Chinese).
[19]  Huang N E,Shen Z,Long S R.The empirical mode decomposition and the Hilbert spectrum for nonlinear non:stationary time series analysis[J].Proceedings of the Royal Society of London,1998(454):903-995.
[20]  李天云,高磊,赵妍.基于HHT的电力系统低频振荡分析[J].中国电机工程学报,2006,26(14):26-32. Li Tianyun,Gao Lei,Zhao Yan.Analysis of low frequency oscillations using HHT method[J].Proceedings of the CSEE,2006,26(14):26-32(in Chinese).

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133