| 摘要 |
PROBLEM TO BE SOLVED: To provide a power conversion device for a working vehicle which is highly resistant to vibration.SOLUTION: A casing 33 of a power conversion device 31 is provided with a cooling plate 43 with cooling fluid passages 44, 45 formed therein. Capacitor components 47 are disposed on an upper surface of the cooling plate 43, and power modules 48 with switching elements S built therein are disposed on a lower surface of the cooling plate 43. A laterally extending busbar slot 49 is formed in the cooling plate 43. A coupling portion 50 is disposed in a laterally middle position of the busbar slot 49, and the coupling portion 50 divides the busbar slot 49 into two partial through holes 49A, 49B. Divided connection bars 51A, 51B of a busbar 51 and also divided connection bars 52A, 52B of a busbar 52 are inserted in the partial through holes 49A, 49B. |
