基于单参数多轨迹理论校正发电机参数

Generator Parameter Correction Based on Single Parameter and Multiple Trajectories

为解决发电机的参数校正问题,提出了基于单参数多轨迹理论的校正方法。首先,在混合动态仿真模型的基础上,采用轨迹灵敏度理论确定发电机各参数对其功角曲线的影响程度,并对其进行排序。其次,对排序的参数进行参数逐一摄动分析;依据单参数摄动后得到的轨迹族曲线特征值的变化规律,对发电机进行该参数的校正,校正完一个参数后,再校正下一个参数。该方法的有效性由IEEE3机9节点仿真算例得以验证。

In order to correct generator parameters, the paper proposes a generator parameter correction method based on single parameter and multiple trajectories. Firstly, trajectory theory is adopted to determine how much generator parameters influences power angle curve on the basis of mixed dynamic simulation model and sort the parameters; secondly, perturba- tion analysis on the sorted parameters are performed one by one; in accordance with change rules of curve characteristic val- ue of family trajectory curve from single parameter perturbation, parameters of the generator is corrected one after another. The method is verified by IEEE 3 machine 9 bus simulation example.