The difference between single-phase motor and three-phase motor 1 Single-phase asynchronous motor is a kind of motor powered by 220V single-phase AC power supply. It is suitable for small industrial equipment and household appliances with single-phase power supply. The working mode of the three-phase asynchronous motor has three-phase symmetrical AC windings on the stator of the motor. When the three-phase symmetrical AC winding enters the three-phase symmetrical alternating current, a rotating magnetic field is generated in the air gap space of the motor, and the conductor of the rotor winding is in a rotating magnetic field. The rotor conductor cuts the magnetic lines of force and generates an induced potential to determine the direction of the induced potential. The rotor conductor self-closes through the end ring and induces a current. The induced current interacts with the rotating magnetic field to generate an electromagnetic force that acts on the rotor to generate electromagnetic torque and drive the rotor to rotate. 2.
The single-phase motor is a motor with a voltage of 220V. It starts and runs a three-phase motor with a capacitor. It is a motor with a voltage of 380V. It has two connections, a star connection and a delta connection, and does not require a starting capacitor. Generally, the triangle is started, and then converted into a star operation, so that the starting torque is large and the running current is small.
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