Patent ID: 9425612
Filing Date: 2016-08-23
CPC Classification: B60L,H02H,H02J,Y02T

Claim Text:
1. An output power protection apparatus comprising: a DC conversion unit configured to convert an input DC power into an output DC power; an output protection unit connected in series to the DC conversion unit, and having a plurality of protection circuits connected in parallel to each other; a high-voltage battery being charged by the input DC power; a low-voltage battery connected between the DC conversion unit, the output protection unit, and a low-voltage device, and being charged by the output DC power; and a control unit; wherein the control unit is configured to generate a control signal to control the protection circuits to disconnect the connection between the low-voltage battery and the low-voltage device, and the DC conversion unit when a short-circuit condition occurs between the high-voltage battery and the low-voltage battery or the low-voltage battery is reversely connected in polarity.