The hidden failures and power system frequency response characteristics are considered in this model and it can be used to help designers and operators of power grids to get the crit.

• 模型考虑了保护隐藏故障、计及了系统频率特性,可以帮助系统规划、设计和运行人员找到系统发生连锁故障的临界负载率、关键线路,并得到某种运行状态下的连锁故障风险指标。