Jul 10, 2018
1. No impulse current. In the process of starting the motor, the starting current of the motor increases linearly from zero to the set value by gradually increasing the thyristor conduction Angle.
2. Constant current starting. Soft starter can be introduced current closed-loop control, so that the motor in the process of starting to maintain constant current, to ensure a smooth start motor. The optimal starting current can be adjusted stepless freely according to the choice of load condition and power grid relay protection characteristics. It is suitable for starting under heavy load and needs to overcome large static friction.
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