In power system dynamic security assessment, based on the PEBS/BCU method, the dominant methods for detecting the exit point across PEBS are the ray and gradient methods.

• 在电力系统动态安全分析中,基于能量函数的PEBS/BCU方法应用时,识别穿越PEBS界面的出口点方法包括射线法和梯度法。