In DC motors, there may be a certain amount of no-load current, but it must be controlled to avoid damaging the power supply. In practical application, what methods do we usually use to reduce the no-load current of the motor, and what is the effect?
You can try adjusting the position of the motor brush, so that in the energized state, the error generated between the forward and reverse rotation of the brush will be greatly reduced, effectively reducing the no-load current. Sometimes the high no-load current of a DC motor is caused by the sweeping phenomenon between the stator and rotor. Therefore, it is reminded that we should pay attention to checking the status of the stator and rotor.
In addition, add lubricating oil to the motor to ensure the lubrication effect of the device; Adjust the displacement of the rotor; Checking the operating status of each component is an effective way to reduce the no-load current. When encountering similar situations, everyone may try the above methods.