Half-bridge module of a traction inverter of power electronics of a vehicle
A technology of traction inverter and power electronics, which is applied in the direction of output power conversion device, conversion of AC power input to DC power output, vehicle components, etc., which can solve high overvoltage, high switching loss, and poor switchability of power semiconductors In order to achieve the effects of small switching loss, large electrical insulation distance, and good scalability
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[0025] Figure 1 to Figure 4 Various views of a half-bridge module 1 according to the invention of a traction inverter for power electronics of an electric vehicle or a hybrid vehicle are shown, wherein in figure 1 and Figure 4 shows a half-bridge module 1 and a cooling device 2 to which the half-bridge module 1 according to the invention can be connected.
[0026] The half-bridge module 1 has a base plate 3 and a semiconductor switching element 4 arranged on a first side 3 a of the base plate 3 . The semiconductor switching element 4 is constituted by a semiconductor component 5 provided as a transistor.
[0027] The substrate 3 is, for example, a DBC (Direct Bonded Copper, Direct Bonded Copper) substrate. The DBC substrate has, for example, a ceramic carrier plate 6 coated with copper layers 7 , 8 on both sides.
[0028] In the region of the first side 3 a of the substrate 3 , the copper layer 8 is structured into a plurality of segments 8 a separated from one another. ...
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