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26 March 2013

Mitsubishi Electric delivers world’s first SiC-based auxiliary power supply systems for use in railcars

Tokyo-based Mitsubishi Electric Corp says it has commercialized and delivered railcar auxiliary power supply systems that incorporate the world's first silicon carbide (SiC) power modules for use in operating trains. The systems are now being installed for test purposes in the new Type 1000 railcars of Tokyo Metro's Ginza Line subway, which are scheduled to enter commercial operation in June this year.

Compared to Mitsubishi Electric's existing system incorporating silicon (Si) power modules, the new system achieves 30% less power loss, is 20% smaller and 15% lighter, says the firm. It also reduces transformer noise by 4dB due to a 35% improvement in the distortion rate of output voltage waveforms.

Tags: Mitsubishi Electric SiC

Visit: www.MitsubishiElectric.com

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