Inner Rotor Type and Outer Rotor Type
Inner Rotor Type
An inner rotor type motor, is a type of electric motor commonly used in applications such as RC vehicles and small industrial machinery. In this motor, the rotor is located inside the stator. The stator consists of stationary windings that produce a magnetic field when electric current is applied. The rotor, is positioned within the stator, and as the magnetic field interacts with the rotor's magnets, it causes the rotor to spin, generating mechanical motion.
Advantages:
- The rotor is small and can respond quickly.
- The coil is located on the outside and the level of heat dissipation is high.
Disadvantages:
- Difficult to obtain large torque.
- Magnets can be damaged by centrifugal force.
Outer Rotor Type
An outer rotor type motor, is an electric motor design where the rotor, which is the rotating component, is located on the outside, surrounding the stator. In this motor, the stator is positioned in the center and consists of stationary coils that produce a magnetic field when energized. The rotor, typically equipped with permanent magnets, is situated around the stator. When the stator's magnetic field interacts with the rotor's magnets, it generates rotational motion. Outer rotor motors are valued for their torque and efficiency.
Advantages:
- Easy to obtain large torque.
- Speed is stable during constant rotation.
Disadvantages:
- The rotor is large (the motion is slow).
- The outside rotor requires appropriate safety measures.
