| 摘要 |
<P>PROBLEM TO BE SOLVED: To supply electric power, which exceeds allowable electric power of each of a plurality of voltage converters, by switching a method of connection among the plurality of voltage converters according to a situation. <P>SOLUTION: A power supply system for a vehicle comprises: a motor generator 1; a first power storage device 13 that supplies electric power to an in-vehicle load 12 through a first power storage busbar 11; a second power storage device 2 that exchanges electric power with the motor generator 1 and supplies power storage electric power to the in-vehicle load 12 and the first power storage device 13; a first voltage converter 3 that has a first end connected to a power generation busbar 8, has a second end connected to a second power storage busbar 9, and performs voltage conversion; a second voltage converter 4 that has a first end connected to the second power storage busbar 9, has a second end connected to an output busbar 10, and performs voltage conversion; a first switch 5 that opens/closes a connection line between the output busbar 10 and the first power storage busbar 11; a second switch 6 that opens/closes a connection line between the output busbar 10 and the power generation busbar 8; and a control circuit 7 that controls the motor generator 1, the first voltage converter 3, the second voltage converter 4, the first switch 5, and the second switch 6. <P>COPYRIGHT: (C)2013,JPO&INPIT |
