4.5kV IGBT module for smaller drives

4.5kV IGBT module for smaller drives

New Products |
By Nick Flaherty

Infineon Technologies has developed a 4.5kV IGBT power module that it believes will fundamentally change the landscape for medium voltage drives (MVD) and transportation applications

The Infineon XHP 3 IGBT module is aimed at applications in the 2000 to 3300 V AC in 2- and 3-level topologies such as large conveyor belts, pumps, high-speed trains, locomotives, as well as commercial, construction and agricultural vehicles (CAV).

The XHP family comprises a 450 A dual IGBT module with TRENCHSTOP IGBT4 and an emitter-controlled diode, and a 450 A double diode module with emitter-controlled E4 Diode.

Both modules feature improved isolation of 10.4 kV and help simplify parallel designs with convenient connections side by side. As a result, only a single straight busbar is required for paralleling, allowing for smaller motor drives without sacrificing efficiency. Previously, complex busbars were required to parallelize switching modules, resulting in complicated design efforts and higher leakage inductance that increased the losses and reduced the overall efficiency of the drives.

The 4.5 kV XHP family also allows developers to reduce the number of units as designs can be reduced to two dual switches and a smaller double diode rather than multiple single switches and a double diode.

The combination of the XHP 3 FF450R45T3E4_B5 dual switch and the DD450S45T3E4_B5 double diode enables significant cost savings and a smaller footprint. For example, Infineon’s previous IGBT solutions required four 140 x 190 mm² or 140 x 130 mm² switches and one 140 x 130 mm² double diode. With the new XHP family, the components can be reduced to two 140 x 100 mm² dual switches and a smaller 140 x 100 mm² double diode.

The IGBT modules FF450R45T3E4_B5 and DD450S45T3E4_B5 are available now.


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