It is based on the observation that the signal energy of the transient voltage response to a given contingency rises asymptotically with the increasing power to its limit.

• 它的基础是认为在给定故障条件下,暂态电压响应的信号能量将随着功率增加而渐近增长,其渐近线对应于暂态稳定极限,从而建立信号能量与传输功率和稳定极限的解析函数关系。