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Mitsubishi Electric Touts Compact Inverter for Electrified Vehicles
Mitsubishi Electric Corp. has developed a working model of an ultra-compact silicon carbide (SiC) inverter for hybrid electric vehicles it claims is the smallest and has the highest power density of any such device of its type.
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Mitsubishi Electric Corp. has developed a working model of an ultra-compact silicon carbide (SiC) inverter for hybrid electric vehicles it claims is the smallest and has the highest power density of any such device of its type. The company aims to commercialize the technology by 2021.
The prototype system has a volume of five liters (0.2 cu ft) and power density of 86 kVA per liter for two-motor hybrid-electric vehicles. Purported benefits include packaging flexibility and improved fuel and energy efficiency.
The system’s reduced size is attributed in part to the use of an integrated heat dissipation system. The structure enhances long-term reliability by connecting the power semiconductor modules and heat sink with solder, according to the supplier.
Mitsubishi Electric will present technical information about the device next week at the National Convention of the Institute of Electrical Engineers in Japan. The development program is partially funded by Japan’s New Energy and Industrial Technology Development Organization.
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