摘要:
The invention relates to a system for supplying direct current and DC voltage, including a first supply branch (212) having a first DC voltage source (244) and a power field-effect transistor (258) of a current limiter (256) which are connected in series, and a second supply branch (214) having a second DC voltage source (246). The power transistor (258) has a current/voltage characteristic with a first inverse polarization area without current limitation, and a second conduction area with current limitation based on a current threshold. The power field-effect transistor (258) is connected to the first voltage source (244) with an inverse polarization when the voltage source (244) of the first branch (212) is operating normally.