This paper introduces the characteristic and principle of water resistance soft-start technology and points out it can satisfies the starting of high-voltage large power ac motor.
介绍了水电阻软启动装置的工作原理及特点，应用其可满足大功率交流电机启动的要求。
On starting, this electric motor has high impedance and power factor, low current, and large torque.
电动机起动时阻抗大、电流小、功率因数高、转矩大；
On starting, this electric motor has high impedance and power factor, low current, and large torque.
电动机起动时阻抗大、电流小、功率因数高、转矩大；
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