The mathematical models of decay current is identified by using the theory of system identification, and the parameters of synchronous machine are derived from the above mentioned models.
用以精确测量衰减电流：运用系统辨识理论辨识衰减电流曲线的数学模型；并通过该模型推导出同步电机参数。
The correctness of the mathematical models is proved by example, which provides a new method to analyze the conditions of non-symmetrical operation of synchronous machine.
通过算例证实了该数学模型的正确性，为同步发电机的不对称运行方式分析的理论研究和数值计算提供了一种新的方法。
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