Definition
A synchronous motor is an AC motor whose speed is proportional to the frequency of the power supply grid. In contrast, it is an asynchronous motor, whose rotational speed is governed by electromagnetic torque and load resistance, so the rotational speed is independent of the grid frequency. Synchronous motors are widely used in industrial production and modernization of people's livelihood because of their high efficiency and stable performance.
Principle of operation
Synchronous motors have coils on the rotor and stator. Under the action of AC power supply, the magnetic field generated by the coils on the stator will intersect with the magnetic field generated by the coils on the rotor in the form of magnetic lines of force, thus generating torque and driving the rotor to rotate. Unlike asynchronous motors, the rotational speed of synchronous motors is synchronized with the frequency of the power grid, so they are called synchronous motors.
Fields of application
Synchronous motor is a common type of motor used in industry and people's livelihood, with the following application areas:
1. The drive of factory machinery and equipment, such as conveyor belts, machine tools, pumps and compressors;
2. Transportation, such as electric locomotives, subways and electric vehicles;
3. Heavy industries such as metallurgy, mining and water conservancy, such as electric furnaces, mine hoists and hydroelectric generators;
4. Household appliances and office equipment, such as air conditioners, fans, photocopiers, printers and civilian generators.
As a common type of AC motor, synchronous motor plays an important role in industrial production and modernization of people's livelihood. Through the above introduction, I hope you have a better understanding of synchronous motors.
