| 摘要 |
The present invention relates to an electrical household appliance comprising at least one synchronous electric motor (11, 12), a driver circuit capable of controlling the speed of said at least one synchronous electric motor (11, 12), said driver circuit comprising a converter that converts AC mains voltage to DC voltage, a DC link and a driver circuit inverter stage (10) that inverts the direct current received from said converter to an AC output signal such that an AC output waveform is produced from a DC power supply. |
