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4 micro DC motor loss details, click to view

2019-03-26 10:30:00
在长期使用的过程中会产生一些损耗现象,而这些损耗现象会不断的对电机本身造成影响,我们为您从以下4个角度分析: Micro DC motors will produce some losses during long-term use, and these losses will continue to affect the motor itself. We analyze it from the following 4 perspectives for you:
1. The basic iron loss in the stator and rotor core of a miniature DC motor is mainly generated when the main magnetic field changes in the core;
2. Additional or stray losses in the core during no-load. It mainly refers to the permeance harmonic magnetic field caused by the slotting of the stator and the rotor, the surface loss caused by the intimate surface of the counterpart, and the stinging of the counterpart's teeth due to the slotting, and the pulse vibration loss due to the motor rotation;
3. Electrical loss. Micro DC motor refers to the loss caused by the working current in the winding copper or aluminum, and also includes the contact loss of the brush on the steering gear or the slip ring;
4. Additional or stray losses under load. This is due to the leakage magnetic field generated by the working current of the stator or rotor, including harmonic magnetic fields, various losses caused in stator and rotor windings, and intimate and structural parts.
In summary, the loss phenomenon inside the miniature DC motor is basically caused by the above reasons. Therefore, if you want to effectively reduce the degree of loss of the motor, you can mainly perform maintenance on these four aspects, thereby maintaining the effect of maintenance. Would be better.

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