Based on the quantizing ability of extended equal-area criterion(EEAC) ,a new method to build a dynamic security region(DSR) of electric power system in parameter space was proposed.

• 基于扩展等面积准则(EEAC)的量化能力,该文提出一种新的构建电力系统参数空间中动态安全域(DSR)的方法。