| 摘要 |
This power conversion device control board includes: a board main body, i.e., a multilayer board; a plurality of drive circuits, which are respectively provided to arms of the power conversion device, and which drive switching elements of the corresponding arms; a power supply control circuit; an insulation region that insulates the power supply control circuit and the drive circuits from each other; a plurality of insulation transformers, which are provided corresponding to the drive circuits, respectively, and are disposed on the front surface of the board main body across the insulation region, said insulation transformers connecting the power supply control circuit and the corresponding drive circuits to each other in an insulation state; and connecting lines, which electrically connect the insulation transformers and the power supply control circuit to each other, and at least a part of which extends to a region of an inner layer of the board main body, said region overlapping the insulation region when viewed in the perpendicular direction with respect to the front surface of the board main body. |
