POWER SUPPLY APPARATUS

摘要

A power supply apparatus includes a storage battery (41, 51) and a DC/DC converter (110), and formed such that cooling air having cooled the storage battery (41, 51) cools the DC/DC converter (110). The power supply apparatus is formed to extend to the periphery of a cabin, and includes a long air outlet duct (92a) for letting out part of the cooling air having cooled the DC/DC converter (110) to the periphery; and a short air outlet duct (92b) that is formed to have a shorter air outlet route than the long air outlet duct (92a) has and that is for letting out part of the cooling air having cooled the DC/DC converter (110) to the cabin.