求翻译：暂稳校验采用时域仿真法，以系统中任意两台发电机的转子相角差超过300°作为功角约束判据，节点电压低于0.8pu的持续时间超过1s作为电压约束判据，故障仿真时间为5s。是什么意思？

Transient stability verification using time-domain simulation method, the system in any two generator rotor angle difference exceeds 300 ° as the power angle constraint criterion, the node voltage is lower than 0.8pu over the duration of 1s as the voltage constraint criterion, fault simulation time

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The steady verification uses the time domain simulation law temporarily, the random two generator rotor phase angle difference surpasses by the system in 300° took the merit angle restraint criterion, the node voltage is lower than 0.8pu the duration to surpass 1s to take the voltage restraint crite

Temporary stability verification using time-domain simulation method, to any two units of rotor system of phase angle difference exceeds 300 ° as a criterion for power angle constraint, node voltage is lower than 0.8PU lasts more than 1s as the criterion for voltage constraints, fault simulation tim

Transient stability verification using time-domain simulation method, the system in any two generator rotor angle difference exceeds 300 ° as the power angle constraint criterion, the node voltage is lower than 0.8pu over the duration of 1s as the voltage constraint criterion, fault simulation time