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强迫功率振荡源的在线定位分析技术

DOI: 10.13334/j.0258-8013.pcsee.2014.34.024, PP. 6209-6215

Keywords: 低频振荡,强迫功率振荡,在线定位,广域测量系统

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Abstract:

强迫功率振荡源的在线定位对电网安全稳定运行具有至关重要的作用。基于相量测量装置(phasormeasurementunit,PMU)的实测数据和同步发电机转子运动方程,给出振荡过程中发电机机械输入功率波动的计算方法。通过对振荡过程中发电机机械输入功率波动、电气输出功率波动、转速(频率)波动的相位关系的理论分析,给出强迫功率振荡的在线监测分析方法。如果原动机不是强迫扰动源,发电机组

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