| 摘要 |
A power supply system or a vehicle includes: a first storage device; a charging device charging the first storage device with external power; a second storage device supplying an auxiliary load with a voltage lower than an output voltage of the first storage device; a first converter stepping down a voltage of power from the first storage device and supplying the auxiliary load and the second storage device with a voltage; a first controller controlling the charging device; a second converter smaller in capacity than the first converter, supplying the first controller with a voltage and charging the second storage device with the external power; and a second controller, when the external power is charged, controlling the first and second converters to selectively operate any one of the first and second converters based on a state of charge of the second storage device and a state of the auxiliary load.
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