Shaded pole motors, due to their basic design, are commonly used in small, low-power applications where simplicity and cost-effectiveness are prioritized. These motors operate on alternating current (AC) and are typically found in devices like exhaust fans, electric heaters, and cooling fans.
In the typical configuration of a shaded pole motor, the stator features a shading coil that generates a delayed magnetic field. This causes the rotor to start rotating. The rotor continues to turn as long as the motor is powered, making these motors suitable for continuous running in some applications.
Although shaded pole motors are not the most energy-efficient, they have certain advantages in situations where speed control is not necessary and where lower costs are crucial. They are often found in basic home appliances like vacuum cleaners, kitchen fans, and small refrigeration units.
Due to their lower power output, shaded pole motors are less common in heavy-duty machinery. However, in applications where minimal maintenance and a straightforward design are more important than high efficiency, these motors remain a popular choice. They are particularly effective for simple tasks like moving air or operating small mechanical systems.