基于在线数据的发电机励磁系统参数辨识新方法
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摘要
介绍了发电机励磁系统参数辨识原理及模型,从自并励静止励磁系统和无刷励磁系统两方面分析了基于在线数据的发电机励磁系统参数辨识原理,并论述了励磁系统输入信号处理方法。在此基础上提出了基于在线数据的发电机励磁系统参数辨识新方法,介绍了辨识步骤,并通过实例进行了验证。这一新方法有较高的辨识精度。
The principle and model of parameter identification of generator excitation system were introduced.The principle of parameter identification of generator excitation system based on online data was analyzed from self shunt excitation & static excitation system and brushless excitation system.The processing method for input signal of excitation system was discussed.Based on this,a new method for parameter identification of generator excitation system based on online data was presented with an introduction of identification steps and this method was verified by examples.This new method has a higher accuracy in identification.
The principle and model of parameter identification of generator excitation system were introduced.The principle of parameter identification of generator excitation system based on online data was analyzed from self shunt excitation & static excitation system and brushless excitation system.The processing method for input signal of excitation system was discussed.Based on this,a new method for parameter identification of generator excitation system based on online data was presented with an introduction of identification steps and this method was verified by examples.This new method has a higher accuracy in identification.
引文
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[16]杜治,马蕊,梁易乐,等.一种发电机励磁系统模型参数可辨识性分析方法[J].电力系统保护与控制,2014,42(22):38-44.
[2]王兴贵,王言徐,智勇.辨识理论在发电机励磁系统建模中的应用[J].电力系统保护与控制,2010,38(7):52-55.
[3]舒辉,文劲宇.发电机励磁系统参数辨识综述[J].电力自动化设备,2008,28(2):104-107.
[4]王良,沈善德,朱守真,等.基于EE模型的励磁系统参数时域辨识法[J].电力系统自动化,2002,26(8):25-28,37.
[5]李名文,焦彦军,唐宝锋.基于PSASP的发电机励磁系统建模与参数辨识[J].电力科学与工程,2009,25(10):12-15.
[6]陈实,胡世骏,汤伟,等.基于混合算法和PMU数据的发电机励磁参数辨识方法研究[J].华北电力大学学报(自然科学版),2011,38(3):12-16.
[7]郝满江,黄梅.励磁系统参数时域辨识[J].现代电力,2005,22(2):29-32.
[8]曹浩军.励磁系统参数辫识的连续时间方法研究[D].武汉:武汉大学,2004.
[9]蒋蕾,曲祖义.FFT/LSE方法在励磁系统参数辨识中的应用[J].东北电力技术,2003(3):11-13,24.
[10]蒋平,戴列峰,黄霆,等.频域法在励磁系统参数辨识中的应用[J].电力系统自动化,2001,25(16):30-33.
[11]WANG J C,CHIANG H D,HUANG C T,et al.Identification of Excitation System Models Based on On-line Digital Measurements[J].IEEE Transactions on Power Systems,1995,10(3):1286-1293.
[12]LUDWIG E,CROW M L,ERICKSON L,et al.A Feasibility Study of On-line Excitation System Parameter Estimation[J].IEEE Transactions on Power Systems,1998,13(3):910-916.
[13]RASOULI M,KARRARI M.Nonlinear Identification of a Brushless Excitation System via Field Tests[J].IEEE Transactions on Energy Conversion,2004,19(4):733-740.
[14]PUMA J Q,COLOME D G.Parameters Identification of Excitation System Models Using Genetic Algorithms[J].IET Generation,Transmission&Distribution,2008,2(3):456-467.
[15]黄梅,郝满江.励磁系统模型可辨识性研究[J].北京交通大学学报,2006,30(2):101-103.
[16]杜治,马蕊,梁易乐,等.一种发电机励磁系统模型参数可辨识性分析方法[J].电力系统保护与控制,2014,42(22):38-44.