A Switched Reluctance or variable reluctance motor does not contain any permanent magnets. Here are a few key points about switched reluctance motors:
- The stator is similar to a brushless DC motor. However, the rotor consists only of iron laminates
- The iron rotor is attracted to the energized stator pole
- The polarity of the stator pole does not matter
- Torque is produced as a result of the attraction between the electromagnet and the iron rotor
- Switched reluctance motor control is simple to implement.
Key Characteristics of the Switched Reluctance Motor
- Synchronous
- Simple construction, but difficult to control for smooth torque operation
- More suitable for high-speed/power density applications