Precautions for use of electric hoist brake circuit

Precautions for the use of electric hoist brake circuit The electric hoist brake circuit should pay attention to two points in use: First, according to the law, when the power supply is cut off, the armature will generate a high self-inductance electric type, resulting in a large current. Through the armature, it is harmful to the equipment. Therefore, when the brake is reversed, a resistor with a suitable resistance value must be added to the armature circuit to limit the armature current in the reverse braking. Second, when the electrical phase When the speed is close to zero, the reverse power supply should be cut off quickly to avoid armature reversal.



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