超过堵转电流保护值所持续的时间。
The duration when over the protection value of the blocking current.
电机堵转电流，检验开始的电压降不应超过15%。
Motor stall current the initial voltage drop for inspection shall not exceed15%.
与峰值堵转转矩相应的电枢电流称为峰值堵转电流。
When motor running in blocked torque , the armature current is called peak torque current.
有时保护器来不及动作，很快达到堵转电流，可能直接导致电机烧毁。
Sometimes protector too late to turn blocking action, soon, likely to be directly responsible for current motor burn down.
保护功能：过电流，缺相，堵转。
当电机负载过载或堵转时，采用电流截止负反馈环节可保护电机和驱动器；
Motor and inverter can be protected by the current cut-off negative feedback when motor is overload or locked-rotor.
电机运转过程中，如出现堵转现象，随着电机转速的降低，起动器会自动投入运行，达到增加电机转矩，减少起动电流的目的。
During the process of running, if it appears locked-rotor, the starter will automatically run for the reduction of motor speed to reach the goal of increasing the torque and reducing current of motor.
电机运转过程中，如出现堵转现象，随着电机转速的降低，起动器会自动投入运行，达到增加电机转矩，减少起动电流的目的。
During the process of running, if it appears locked-rotor, the starter will automatically run for the reduction of motor speed to reach the goal of increasing the torque and reducing current of motor.
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