| 摘要 |
<p>Disclosed is a power system, comprising a PWM power supply and an electrical unit. The PWM power supply is connected with the electrical unit to supply power for the electrical unit. The power system further comprises a power protocol management device, the power protocol management device is connected with the electrical unit through a transmission bus, so as to acquire a VID protocol of the electrical unit, and obtain a VID code conversion table matching the VID protocol. The power protocol management device, according to the VID code conversion table, converts VID codes output by the electrical unit on the basis of the VID protocol into a required voltage of the electrical unit, compares the required voltage with a voltage at an output end of the PWM power supply to generate a feedback voltage value, and transmit the generate feedback voltage value to the PWM power supply, so that the PWM power supply adjusts an output voltage thereof according to the feedback voltage value to enable the output voltage thereof to be equal to the required voltage of the electrical unit. In the power system provided in the present invention, by searching pre-stored VID protocols for a VID protocol corresponding to or matching the VID protocol of the electrical unit, electrical units having different VID protocols may use the same power system, thereby improving the universality of the power system and expanding the application range thereof.</p> |
