Power module and current converter
A power module and power unit technology, applied in the field of electronics, can solve the problems of high height, large height and volume, and high converter height, and achieve the effect of avoiding large overall volume, small height and volume, and improving convenience.
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[0028] figure 1 It is a schematic structural diagram of a power module provided by an embodiment of the present invention. Such as figure 1 As shown, the power module of this embodiment includes a flat plate radiator 1, and multiple groups of power units 2 are provided on the flat plate radiator 1. Each power unit 2 includes an IGBT 21, a drive circuit board 22, a composite busbar 23, and a surge Capacitor 24 and AC outlet copper bar 25. Among them, the IGBT 21 is directly mounted on the surface of the flat radiator 1, the drive circuit board 22 is mounted on the IGBT 21 and is electrically connected to the IGBT 21; the composite busbar 23 is mounted on the IGBT 21 and the drive circuit board 22, and the composite busbar 23 includes a DC positive copper bar 231 and a DC negative copper bar 232. The DC negative copper bar 232 and the DC positive copper bar 231 are respectively electrically connected to the IGBT 21; the surge capacitor 24 is installed on the composite bus bar 23 ...
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