25 Dec '13, 3pm

Mitsubishi Electric launches railcar traction inverter with 1st all-SiC power module

Mitsubishi Electric launches railcar traction inverter with 1st all-SiC power module 25 December 2013 Mitsubishi Electric Corporation has launched a railcar traction inverter system for 1,500V DC catenaries that incorporates the first all-silicon carbide (SiC) power modules made with SiC transistors and SiC diodes. The all-SiC inverter greatly reduces power loss, size and weight compared to conventional insulated gate bipolar transistor (IGBT) power modules and hybrid power modules made with Si transistors and SiC diodes. The new traction inverter system’s switching loss is approximately 55% less than Mitsubishi Electric’s conventional inverter system incorporating IGBT power modules. The new system also increases regenerated energy through the use of regenerative brakes in all speed ranges. Thanks to these solutions, total energy consumption of railcar systems, including ...

Full article: http://www.greencarcongress.com/2013/12/20131225-mec.html

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