The working principle of AC stepper motor: AC stepper motor is a type of motor that utilizes electronic technology to control AC power, and its working principle is based on the principles of electromagnetic induction and reluctance rotation. The rotor of an AC stepper motor is composed of multiple magnetic poles, which are alternately excited by a single winding. When the winding is connected with current, a rotating magnetic field is generated in the motor. This rotating magnetic field generates magnetic resistance with the rotor poles, causing the motor to rotate at a fixed angle. As the excitation signal of the winding changes, the motor will continue to rotate at a certain angle to achieve precise positioning control. The application fields of AC stepper motors: 1. In the field of automated production lines: small AC motors are suitable for various nodes in automated production lines, such as conveyor belts, robotic arms, belt conveyors, etc. 2. Industrial automation field