发明公开
EP2782433A2 Power conversion apparatus 审中-公开
电力转换装置

Power conversion apparatus
摘要:
The invention relates to a
power conversion apparatus, comprising:
a power semiconductor module 300 that has a power semiconductor element to convert a direct current into an alternating current; a flow channel formation body 12 that forms a flow channel through which a cooling medium flows, wherein the power semiconductor module 300 has a first heat dissipation portion and a second heat dissipation portion facing the first heat dissipation portion with the power semiconductor element therebetween, the flow channel formation body 12 has a top surface that faces the first heat dissipation portion of the power semiconductor module 300 with the flow channel therebetween and a bottom surface that faces the second heat dissipation portion of the power semiconductor module 300 with the flow channel therebetween, at the opposite side of the top surface with the power semiconductor module 300 therebetween, the flow channel formation body 12 is manufactured by a manufacturing method to cast a predetermined material in a mold, a surface of the side is a tapered surface 914 to facilitate separations with the mold, and surfaces of the top surface and the bottom surface having respectively an regular clearance 916 with respect to the first heat dissipation portion and the second heat dissipation portion.
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