记住，开式差速器总是运用于两轮转矩相等的情况下，最大扭矩受限于最大防滑系数的限制。
Remember that the open differential always applies the same torque to both wheels, and the maximum amount of torque is limited to the greatest amount that will not make the wheels slip.
永磁无刷直流电机位置传感器和转矩波动的存在限制了它的应用范围。
For the being of the torque ripple and the position sensors, the application of brushless DC motors is limited.
软启动器可以限制感应电机的起动电流及起动转矩，减少了电机起动过程中对电网的冲击，延长了电气设备和机械结构的使用寿命。
Soft-starter can limit the start current and torque of the induction-motor, reduce the influence to the power circuit in the starting process, and prolong electrical equipments' working life.
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