Motor Type:DC Motor
Posted in 2025-05-24 17:34:12 in Tech Blog, 0 Comments
Motor can be divided into many types. This time, we mainly introduce DC motors:
DC Motor
Principle: It is powered by a DC power supply, and the rotor current is reversed through brushes and commutators to generate continuous torque.
Subdivision type:
Permanent magnet DC Motor (PMDC Motor)
Features: It adopts permanent magnets as the stator magnetic field, featuring a simple structure, small size, high efficiency, and no need for excitation current.
Applications: Household appliances (such as electric shavers, hair dryers), car wipers, robot joint drives.
Electromagnetic DC motor
Shunt DC motor: The excitation winding is connected in parallel with the armature winding, ensuring stable speed and suitable for constant-speed loads (such as textile machinery).
Series-excited DC motor: The excitation winding is connected in series with the armature. It has a large starting torque and the speed varies significantly with the load. It is often used in power tools (such as electric drills) and rail transit traction.
Compound-excited DC motor: It combines the characteristics of both shunt and series excitation, balancing speed stability and starting capability, and is used in cranes and elevators.
Advantages: Wide speed regulation range and high control accuracy; Disadvantages: There is brush wear, the maintenance cost is relatively high, and it is not suitable for high-dust environments.
Baolong has many years of experience in the mechanical and electrical industry. If you are interested in purchasing, please leave your comments.
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