Device for selecting power supply in on-board electrical system has first, second energy sources connected to load via diode arrangements configured with greater voltage drop across second than first

摘要

The device has first and second energy sources (1,2) connected to one of the loads (12,13) via first and second diode arrangements (3,4) that are configured so that the voltage drop across the second diode arrangement is greater than across the first diode arrangement. The second diode arrangement (4) has at least two diodes (15,16) and the diodes are identical.