同步电机瞬变参数的测试数据处理方法的研究

Researches on Test Data Processing Methods of the Synchronous Machines Transient & Subtransient Parameters

介绍同步电机瞬变试验的数据处理方法。在建立同步电机暂态过程数学模型的基础上，探讨用多项式回归法、瞬变时段的迭代算法、最小二乘系统辨识法和多指数拟合算法等进行同步电机瞬变试验数据处理，并做了仿真计算和误差分析，提出了改进措施，为研制同步电机瞬变参数微机测试系统，提高测试数据处理精度奠定了基础。

This paper dose some researches on data processing methods of the synchronous machines transient & subtransient parameters in dynamic test. On the basis of the dynamic performance mathematical model, the application of algorithms to obtain the parameters are studied including the Curve Fitting,Least- Square Estimation and Exponential Component Estimation ect. The simulation, advantages and limitation of these methods are discussed respectively in order to enhance the accuracy. This paper builds the basis in developing the subtransient & transient parameters of synchronous machines testing system.