| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a power converter for railroad vehicles, the inside of which is efficiently cooled. <P>SOLUTION: A power converter for railroad vehicles has: semiconductor elements which constitute a converter circuit and an inverter circuit; a housing wherein the semiconductor elements are installed; and pipes provided in the housing to make outside air pass through the housing. <P>COPYRIGHT: (C)2010,JPO&INPIT |
