| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power drive unit that eliminates an effect due to heat generated at a plurality of power modules. <P>SOLUTION: In the power drive unit (PDU) 22 comprising at least a heat sink 40 and the plurality of power modules 26 fixed to the heat sink 40, the plurality of power modules 26 are arranged at the heat sink 40 in a zigzag shape, that is, the plurality of power modules 26 are arranged separately from one another, and spaces 50 are formed between and among the power modules 26. <P>COPYRIGHT: (C)2009,JPO&INPIT |
