Voltage instability predictor (VIP) based on PMU is a method for analyzing voltage stability using local measurements and it employs the least squares fitting method to track the Thevenin parameters.

• 基于同步相量测量装置(PMU)的电压失稳预测(VIP)指标是基于本地相量测量数据进行电压稳定性分析的方法,它利用最小二乘拟合技术来实时跟踪系统的戴维南等值参数。