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Time Domain Parameter Identification of Synchronous Generator Based on Measurable Variables
Author(s): 
Pages: 24-27,80
Year: Issue:  7
Journal: Automation of Electric Power Systems

Keyword:  同步发电机参数辨识时域辨识最小二乘法;
Abstract: 同步发电机模型中不可观测量的存在使得在辨识电机参数时因需要求解复杂的微分方程组而导致辨识困难.文中提出了一种由发电机出口电压、出口电流、励磁电压以及励磁电流等可观测量表示的同步发电机辨识模型,避免了复杂微分方程组的求解,提高了辨识的稳定性和效率,简化了参数辨识方法.首先分析了参数可辨识性,指出在将稳态方程作为附加条件的情况下,该模型所有参数均是唯一可辨识的;然后,利用稳态和暂态数据,根据最小二乘原...
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