How to determine if the heating of a stepper motor is normal
Release time:
2024-09-03
For various stepper motors, the interior of the stepper motor is composed of an iron core and winding coils.
For various stepper motors, the interior of the stepper motor is composed of an iron core and winding coils. The winding has resistance, and when energized, it will produce losses. The magnitude of the losses is proportional to the square of the resistance and current, which is commonly known as copper losses. If the current is not a standard DC or sine wave, harmonic losses will also occur; The iron core has hysteresis eddy current effect, which can also cause losses in alternating magnetic fields. The magnitude of these losses is related to the material, current, frequency, and voltage, which is called iron loss. Copper and iron losses will both manifest in the form of heat, thereby affecting the efficiency of the motor. Stepper motors generally pursue positioning accuracy and torque output, with relatively low efficiency, large current, and high harmonic components. The frequency of current alternation also varies with the speed, so stepper motors generally have heating problems, which are more severe than general AC motors.
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