| 摘要 |
<p>The present invention relates to a compensation device for power factor, a power supply device having the same, and a motor driving device having the same capable of driving a main switch and a secondary switch with one driving signal. Provided are the compensation device for power factor, the power supply device having the same, and the motor driving device having the same, comprising a power factor compensation unit and a control unit. The power factor compensation unit comprises the main switch and the secondary switch. The main switch switches input power and compensates the power factor of the input power. The secondary switch turns on before turning on the main switch and forms the delivery path of surplus power. The control unit controls the operation of the main switch and the secondary switch based on a single input signal.</p> |
