| 同步电机参数的测量与辨识 |
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| 引用本文： | 潘观海 杨俊华. 同步电机参数的测量与辨识[J]. 华南理工大学学报(自然科学版), 1996, 24(1): 23-28 |
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| 作者姓名： | 潘观海 杨俊华 |
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| 作者单位： | 华南理工大学 |
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| 摘 要： | 现代电力系统的发展，对同步电机的各种动态性能计算不断提出的新的要求，而如何简单有效地测定同步电机参数则是动态计算的关键。本文研究了加权最小二乘参数辩识法在同步电机参数测量中的应用，通过处理抛载试验过程中的电枢电压和励磁电流，直接得到参数，针对参数辨识的收敛性和多值性问题，提出了一些有效的方法，如采用动态阻尼因子和动态增益矩阵，提高了参数辩识的精度和算法的稳定性。
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| 关 键 词： | 同步电机 参数 数学模型 加权最小二乘法 |
PARAMETER MEASUREMENT AND IDENTIFICATION OF SYNCHRONOUS MACHINE |
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| Pan Guanhai,Yang Junhua. PARAMETER MEASUREMENT AND IDENTIFICATION OF SYNCHRONOUS MACHINE[J]. Journal of South China University of Technology(Natural Science Edition), 1996, 24(1): 23-28 |
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| Authors: | Pan Guanhai Yang Junhua |
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| Abstract: | With the development of modern power system, many new requirements arecontinuously put forward for various sorts of calculation of dynamic performance ofsynchronous machine.The simple and effective method to determine parameters ofsynchronous machine has always been the focus in dynamic calculation.The applicationof an algorithm based on weighted-least-squares estimation method measuring andcomputing parameters of synchronous machine is studied. These parameters can bedirectly obtained by repeatedly processing the armature voltage and field current dataof load rejection tests.Some effective processing method,e.g.using dynamic dampingfactor and dynamic gain matrix, are presented as to the convergence and uniqueness ofparameter evaluation.The stability of algorithm and the precision of parameterevaluation are enhanced. |
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| Keywords: | s:synchronous machine parameters mathematical model weighted-least squares estimation method load rejection |
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