| 摘要 |
<p>An electric motor (100) comprising a stator (20) integrally mounted with the casing (10), a rotor (30) mounted inside the stator and rotatable with respect thereto and an electronic control (80) to control the motor functions, the electronic control (80) comprising a sensor (81) to detect the position and rotation of the rotor, a microprocessor (83) to receive signals from the sensor, two switches (S1, S2) controlled by the microprocessor to send an alternating supply voltage to the stator windings and a synchronization device (85) to synchronize the on/off frequency of the switches with the frequency of the mains supply voltage. <IMAGE></p> |
