UK’s 1MHz 400V 60kW GaN traction inverter demonstrator

Cambridge-based QPT is to develop a 1MHz 400V 60kW GaN automotive traction inverter, funded by the UK’s Advanced Propulsion Centre (APC).

The project is ‘Verde’, and the inverter will have a sinewave output.

QPT uses microwave design techniques to harness GaN’s lightening-fast switching behaviour, as an alternative to slowing the gate drive.

“Our system technology enables GaN to be used for high-power, high-performance applications, overcoming the thermal and EMI problems that have stopped GaN being used in automotive in the past,” said QTP CEO Rupert Baines. “We are already talking with automotive companies who would like to partner with us.”

Ram Innovations is also a member Verde.

“This APC investment will accelerate the technology to market by at least two years,” said RAM Innovations CEO Peter Green. “This project will create a demonstrator to be shown at Cenex Expo at UTAC Millbrook UK in September 2025.”

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Steve Bush

Steve Bush is the long-standing technology editor for Electronics Weekly, covering electronics developments for more than 25 years. He has a particular interest in the Power and Embedded areas of the industry. He also writes for the Engineer In Wonderland blog, covering 3D printing, CNC machines and miscellaneous other engineering matters.