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Micro-motor production: micro-motor production starting current principle specific analysis
Release time:
2020-09-02
In the application of micro-motor production, when starting, the current produced by the micro-motor will be in a high current state. After starting, the current will become smaller. What is the reason for this? Follow Weizheng Motor to understand the principle of starting current produced by the micro-motor. From the perspective of the starting principle and rotation principle of micro-motor production, when the micro-motor stops, it is equivalent to a transformer from the electromagnetic point of view. The stator winding can be compared to the primary coil of the transformer, and the closed-circuit rotor winding is the short-circuit of the transformer. Forced convection coil.
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Release time:
2020-09-18
The carbon brush is a part of the brushed motor that tops the surface of the inverter. When the motor rotates, the electric energy is transmitted to the coil through the inverter. The following micro-motor manufacturer will specifically introduce the application of carbon brushes in micro-motors. A brush is a sliding contact that conducts an electric current. The function of the carbon brush introduced by the micro-motor manufacturer is to introduce the rotor current required by the micro-motor manufacturer's motor operation into the rotor coil through the connecting piece on the slip ring. The coincidence degree and smoothness of the carbon brush and the connecting piece, The size of the contact surface affects its life and reliability. In the DC motor of the micro-motor manufacturer, it is also responsible for the task of commutation of the alternating electromotive force induced in the armature winding of the micro-motor manufacturer.
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