| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide the power conversion apparatus which enables a cooling constitution of absolute required minimum and can realize size reduction and weight reduction, by equalizing the shares of heat loss applied to a plurality of coolers. <P>SOLUTION: In the power conversion apparatus storing a plurality of groups of power conversion circuits for converting AC power into DC power, or converting DC power into AC power by switching operation of a plurality of semiconductor elements, the semiconductor element (8), constituting a plurality of groups of the power conversion circuits which are connected in parallel with each being operatable independently, is mounted on a common cooling unit (30), having a heat-receiving part (31) and a heat-radiating part (32). <P>COPYRIGHT: (C)2006,JPO&NCIPI |
