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0102030405

About the main selection factors of three-phase asynchronous motors

2024-12-03

About the main selection factors of Xi'an three-phase asynchronous motors. Because the rotor and stator rotating magnetic fields of the three-phase aSynchronous Motor rotate in the same direction and at different speeds, there is a slip rate, so it is called a three-phase asynchronous motor, which is also called an AC motor in daily life. Because of its wide range of uses.

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  1. Select the type of three-phase asynchronous electric motor according to the surrounding environment of the installation location of the three-phase asynchronous motor.

The general form of three-phase asynchronous motors used in special environments is protected and closed. The protective ventilation performance is good, the price is low, and it is suitable for dry and dust-free environments. If there is a lot of dust and water splashing, a sealed three-phase asynchronous motor should be used. This three-phase asynchronous motor can be used for agricultural and sideline processing machinery and water pumps. In addition, there is a sealed three-phase asynchronous motor that can be immersed in water, and the submersible electric pump uses a three-phase asynchronous motor.

  1. Select the motor output according to the load situation

The output of the three-phase induction motor should generally be 1.1 to 1.5 times that of the production machine. If the power selection is too large, it will not only increase the investment, but also reduce the efficiency of the machine and increase the production cost. If the power selection is too small, the motor will be overloaded for a long time, the temperature will rise too much, the insulation will be damaged, and the life of the three-phase asynchronous motor will be shortened.

  1. Select the three-phase asynchronous motor according to the speed requirements and transmission mode of the working machine

The principle of speed matching is to operate the three-phase asynchronous motor and the production machine at the rated speed, and the transmission mode is the same.