Siemens and Mitsubishi to improve rolling stock power modules using silicon carbide

The transport division of the German concern and the European division of the electrical subsidiary of the Japanese conglomerate entered into a memorandum of understanding to develop the use of silicon carbide (SiC) to improve the energy efficiency of railway traction systems. In particular, converters for trains.

This is reported by the railway magazine Railway Supply.

Siemens notes that SiC technology is particularly useful for battery-hybrid regional trains such as the Mireo Plus.

It reduces weight, optimizes performance and increases efficiency in terms of mileage and range.

Due to the use of silicon carbide, energy consumption can be reduced by almost 10%.

Mitsubishi Electric uses a high-speed switching SiC chipset in the LV100 transistor module, which provides low parasitic inductance and parallel connection capability.

The power loss of the modules can be reduced by approximately 75% compared to conventional silicon modules.

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