The regional load margin index(I RLM) is defined,with which the static voltage stability of Guangdong AC / DC hybrid power grid in 2005 is studied.

• 为了进行风电并网后电力系统电压稳定性的评估,利用具有概率特征的负荷裕度指标,提出了一种含风电场电力系统电压稳定概率分析的混合方法。