Introduction: The brake motor is divided into DC brake and AC brake. What is the difference between different types of brakes?
The flow brake motor needs to install a rectifier, and the rectified voltage is 24V, 48V or 12V. Since the DC brake motor needs to pass the rectified voltage, the fastest brake time is about 0.6 seconds. The AC brake motor has a direct 380V voltage and does not require rectification. The braking time can be completed within 0.2 seconds. The DC brake motor has a simple structure, is cheap in cost, and generates heat quickly and easily to burn the motor.
The structure of AC brake motors is complex, the cost is relatively high, the braking effect is obvious, and they are durable. It is an ideal power for automatic control.
The braking part of the AC brake motor is directly connected to 380V or 220V voltage! Do not need to change pressure, generally used is the power brake, the advantages are mainly reflected in the brake speed, torque, quick and easy installation.
DC motors have the characteristics of fast response, large starting torque, and ability to provide rated torque from zero speed to rated speed, but the advantages of DC motors are also its disadvantages because DC motors generate a constant speed under rated load. The performance of the moment, the armature magnetic field and the rotor magnetic field must be maintained at 90 °, which will require carbon brush and commutator. Carbon brushes and commutators generate sparks and toner when the motor rotates. Therefore, in addition to damage to components, the use of carbon brushes and commutators is limited.
AC motors have no carbon brush and commutator, maintenance-free, robust, wide application, reliable operation, and low cost.
Source: Dongguan Shengli Machinery Equipment Co., Ltd.
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