The Tech Articles

Charged EVs | Fraunhofer IZM’s novel SiC inverter hits 99% efficiency in a 1-liter package for 800 V EV drives

Fraunhofer IZM has developed a 500-kW inverter that fits in a volume of 1 liter—500 kVA per liter—with peak efficiency exceeding 99%. The unit was built for Mitsubishi Heavy Industries and is designed for 800 V DC drives, delivering 500 A RMS per phase with an...
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Charged EVs | magniX launches magniAIR, a 175 kW air-cooled electric engine for general aviation

magniX has launched the magniAIR, an air-cooled electric engine targeting kit planes, light sport aircraft and electric flight trainers. The engine delivers 175 kW at 55 kg—what magniX claims is class-leading power-to-weight for the segment—and is designed to...
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Charged EVs | Fraunhofer IISB develops 750 kW hairpin winding traction motor for hybrid-electric regional aircraft, achieving 8 kW/kg

Fraunhofer IISB has developed a 750 kW permanent-magnet traction motor for hybrid-electric regional aircraft, hitting 8 kW/kg power density through a combination of thin-lamination electrical steel, hairpin windings and direct oil-spray cooling. The machine...
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Charged EVs | BREYER supplies calendering lines with cell-level traceability for Porsche-VARTA battery venture

BREYER says it has supplied the calendering technology for V4Smart, the battery joint venture formed by Porsche and VARTA to produce cylindrical lithium-ion cells in Germany for high-performance applications including sports cars and hybrid models. Calendering...
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