Increase knowledge and let you know the basics of brushless motors (1)

Permanent magnet brushless motor is a new type of mechatronics product with the development of semiconductor electronic technology. It is the combination of modern electronic technology (including power electronics, microelectronics technology), control theory and motor technology.

In 1917, the basic idea of ​​brushless motors was born. In 1955, D. Harrison of the United States applied for the first patent of mechanical brushes using transistor commutation lines instead of DC motors, marking the birth of modern permanent magnet brushless motors.

Permanent magnet brushless motors have a wide range of powers, ranging from a few watts to a few dozen watts, and large tens of kilowatts, hundreds of kilowatts or even megawatts. Permanent magnet brushless motors are widely used in applications requiring high precision control and high reliability, such as aerospace, aerospace, CNC machine tools, machining centers, robots, and electric vehicles, improving the speed and reliability of equipment and equipment. Maintainability and miniaturization meet various servo control system requirements. If the ship uses a 100KW rare earth permanent magnet brushless motor, the inverter is installed on the coil end side, and the total weight is only 28kg.

The picture above shows the UAV motor that can be used for plant protection.

In terms of application: Brushless motors are used in a wide range of applications, such as computer peripherals, audio-visual equipment, household appliances, office equipment, electric bicycles, industrial drives and controls. In addition, it is widely used in textile machinery, printing machinery, packaging machinery, metallurgical machinery, postal machinery, electric car / fitness equipment, as well as automated production lines and various special equipment.

The above picture shows the motor that can be applied to the model (car model, model airplane, ship model, etc.)

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