This device can operate at low speed and high power, and can directly drive large loads without the need for a reducer. Perhaps some users doubt whether brushless motors can be used as generators and see if the two can replace each other. This article will summarize whether the device can be replaced for use.
Brushless motor refers to a motor without a commutator (or collector ring) and electric brush, also known as a commutatorless motor. Currently, the main applications of brushless motors are brushless DC motors and AC synchronous knife holder motors, which are widely used due to their low noise and long service life.

Develop corresponding solutions for the motor
1. The magnetism of a motor is different from that of a motor, which is divided into excitation magnets and self-excited magnets. There is an excitation coil to regulate the magnitude and direction of the current. The spin to excitation coil exists in the form of direct current and circulates around the wire resistance. Reversible current changes its direction in the same way.
The voltage and current of the motor follow a fixed line, and the electromagnetic environment also follows a certain trajectory. The motor does not have carbon brushes, which means that the armature voltage needs to be transmitted to the rotor of the motor so that it can rotate and requires current to excite it. If there is no armature power supply, strong resistance will be generated when two metal copper sheets are not in contact, which is very dangerous to some extent.
3. Brushless motors cannot provide power to themselves. Self sufficient current can be achieved by generating a motor. Its current and voltage are still driven by 220 volts. In terms of measures, they have taken completely different protective measures.
4. If the motor is fully developed and only its functionality is considered, its hardware cannot fully realize the power generation function. If using an electric motor to run a brushless motor, the cycle and physical conditions are not suitable, and existing methods can be used to achieve speed regulation function.
5. The abbreviation for brushless DC motor in English is BLDC. Brushless DC motors are different from brushed DC motors in that they do not use mechanical brush devices. Instead, they use square wave self-control permanent magnet synchronous motors, Hall sensors instead of carbon brush commutators, and neodymium iron boron as the permanent magnet material for the rotor. Its performance is superior to conventional DC motors and it is currently the ideal speed regulating motor.
The essence of a brushless motor is a permanent magnet synchronous motor with position feedback, which is input from a DC power source and converted into a three-phase AC power source by an inverter.

A motor is a typical electromechanical integrated product, consisting of a motor body and a driver. The stator winding of an electric motor is usually made into a three-phase symmetrical star connection, which is very similar to a three-phase asynchronous motor. Magnetized permanent magnets adhere to the rotor of the motor. In order to detect the motor rotor, a position sensor is installed in the motor. The driver is composed of power electronic devices and integrated circuits. Its function is to receive the start, stop, and brake signals of the motor, and control the start, stop, and brake of the motor. Receive position sensor signals and forward/reverse signals to control the on/off of each power transistor in the inverter bridge, generating continuous torque; Receive speed commands and feedback signals, control and adjust speed; Provide protection and display, etc.
The above proves that brushless motors themselves are not suitable for motors, and motors cannot replace brushless motors.
2024.7.18  ZG