The three-phase asynchronous motor we generally use in engineering is a type of induction motor, which is a type of motor powered by a 380V three-phase AC power supply at the same time. Different rotation speeds have a slip rate, so it is called a three-phase asynchronous motor. The following motor factory will analyze the reasons for the low efficiency of the three-phase asynchronous motor for you.

If the motor efficiency of the three-phase asynchronous motor is low, it may be because the stator copper loss is large, and the stator copper loss is inseparable from the large stator winding resistance and stator current; it may also be the rotor copper loss. The large copper loss of the rotor is caused by the large resistance of the rotor winding (bar) and the large rotor current;

Sometimes it is because the stray loss of the three-phase asynchronous motor is large; the iron core loss is large; the mechanical loss is large, etc.
The above is the reason for the low efficiency of the three-phase asynchronous motor. I hope it will help you. Thank you for watching and welcome to cooperate with us! If you still want to know any related questions, please contact us in time, we will provide you with dedicated service and high-quality products.

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