| 摘要 |
PROBLEM TO BE SOLVED: To provide an electric power conversion apparatus which reduces labor hours of the maintenance work.SOLUTION: In an electric power conversion apparatus 1, an electronic component 10 is stored in a housing 20. A groove part 21 is formed at the inner side of the housing 20, and a lid part 30 is fixed to the housing 20 so as to close the groove part 21. A refrigerant passage 40, in which a refrigerant for cooling the electronic component 10 circulates, is formed between the groove part 21 and the lid part 30. The electronic component 10 is fixed to a base plate 50 provided on a surface 31 of the lid part 30 which is opposite to the groove part 21. |
