VEHICULAR ELECTRIC POWER SYSTEM

摘要

A vehicular electric power system includes an electric generator (10) first and second batteries (20,30) electrical loads (42) connected to the first battery a switch (50) that selectively connects and disconnects the second battery to and from the generator and the first battery a first controller (70) that controls the switch a regulator (10a) that regulates the output voltage of the generator to a regulation voltage (Vreg) and a second controller (80). During operation of the generator in a regenerative mode the second controller variably sets the regulation voltage and thereby controls the output voltage of the generator so as to keep the difference between a target output voltage and the detected output voltage of the first battery not greater than a predetermined allowed voltage deviation and keep the difference between the regulation voltage and the target output voltage of the first battery not greater than a predetermined threshold.