临界切除时间是电力系统稳定问题分析中最重要的稳定指标之一。
Critical clearing time (CCT) is one of the most important stable indices in power system transient stability analysis.
同时，还首次实现了暂态能量裕度和临界切除时间对网络结构和参数的解析灵敏度分析。
The analytical sensitivity analysis of TEM and CCT to network structure and parameters is also realized for the first time.
通过构造基于BP网络的临界切除时间(CCT)预测器进一步验证了特征提取的有效性。
By designing the BP-type ANN based CCT estimators with the selected features as inputs, the effectiveness of feature selection is further verified.
该方法不必具体计算各个事故的临界切除时间，却可以得到各事故的临界切除时间和时间裕度的区间范围。
In the proposed method the calculation of the CCT of each contingency is not to be performed, but the interval of the CCTs and time margins can be obtained.
对单机无穷大母线系统进行了公式推导和仿真验证，从理论上探讨了多机系统的三相短路故障临界切除时间求解方法。
The formulae for SMIS are derived and verified by case simulation, the solution of critical clearing time (CCT) of three-phase short fault in MMS is theoretically discussed.
以河南电网为例，采用暂态安全定量分析软件FASTEST计算了不同动态负荷模型比例时的暂态功角稳定裕度和临界切除时间。
The transient Angle stability margin and critical clearing time are computed by FASTEST under different proportion of dynamic electric load model using in Henan Power Grid.
以河南电网为例，采用暂态安全定量分析软件FASTEST计算了不同动态负荷模型比例时的暂态功角稳定裕度和临界切除时间。
The transient Angle stability margin and critical clearing time are computed by FASTEST under different proportion of dynamic electric load model using in Henan Power Grid.
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