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What is the difference between the DC motor and the AC motor of the all-electric handling stacker?

by:Staxx Pallet Truck     2022-08-13
In recent years, with the continuous rise of labor costs and the improvement of operational efficiency requirements, more and more factories will use all-electric handling stackers to replace the original manual stackers. Electric stackers will use drive motors. The drive motor of the all-electric handling stacker usually has a DC motor and an AC motor, so what is the difference between them?
As the name suggests, the electric DC motor of the stacker uses direct current as the power source, while the AC motor of the all-electric handling stacker uses the alternating current as the power source. In terms of structure, the principle of the electric DC motor of the stacker is relatively simple, but the structure is more complicated, which is not conducive to the later maintenance of the motor of the all-electric handling stacker. Although the principle of the electric AC motor of the stacker is more complicated, the structure is relatively simple, so it is easier to maintain than the DC motor of the all-electric handling stacker.
The electric DC motor of the stacker is to introduce the current into the rotor armature through the brush and the commutator, so that the rotor is rotated by the force in the stator magnetic field. The structure of the DC motor of the all-electric handling stacker should be composed of two parts: the stator and the rotor. The stationary part of the electric DC motor of the stacker is called the stator. The main function of the stator is to generate a magnetic field. The part that rotates when the motor of the all-electric handling stacker is running is called the rotor. Its main function is to generate electromagnetic torque and induced electromotive force. It is the hub for the energy conversion of the electric DC motor of the stacker, so it is usually called the armature. It is composed of rotating shaft, armature intimate, armature winding, commutator and fan.
The AC motor of the all-electric handling stacker is to pass alternating current into the stator winding, thereby generating a rotating magnetic field in the air gap of the stator and rotor, and the rotating magnetic field generates an induced current in the rotor winding, which in turn causes the rotor to be affected by the stator magnetic field. Force produces rotation. AC motor: It is a machine used to realize the mutual conversion of mechanical energy and AC electrical energy. Due to the huge development of the AC power system, the AC motor has become the most commonly used motor for electric stacker trucks. Compared with the DC motor, the AC motor of the all-electric handling stacker has no commutator, so the structure is simple, the manufacture is convenient, and it is relatively firm, and it is easy to make a motor with high speed, high voltage, high current and large capacity.
In practical applications, their specific differences are as follows:
Speed u200bu200bregulation: The speed regulation of the electric DC motor of the stacker is simple, but the application is limited. The AC motor speed regulation of the all-electric handling stacker is relatively complicated, but it is widely used due to the use of AC power.
Noise: Because the electric DC motor of the stacker has brushes and commutators, the noise of the all-electric handling stacker is slightly louder.
Use and maintenance: The brushes and commutators of the electric DC motor of the stacker are relatively worn, so they need to be replaced frequently; the AC motor of the all-electric handling stacker has no brushes and commutators, so maintenance is relatively convenient. . In the long run, the electric maintenance cost of the stacker is also lower than the AC motor, so the AC motor is more and more used by the all-electric handling stacker.
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