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• Fraunhofer ISE Develops Highly Compact, High Frequency DC/DC Converter for Aviation – Gallium Nitride Transistors Enable Switching Frequencies in MHz Range - Fraunhofer ISE

Fraunhofer ISE Develops Highly Compact, High Frequency DC/DC Converter for Aviation – Gallium Nitride Transistors Enable Switching Frequencies in MHz Range - Fraunhofer ISE

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The efficiency of power electronic systems is not solely dependent on electrical efficiency but also on weight, for example, in mobile systems. When the weight of relevant components and devices in airplanes, for instance, is reduced, fuel savings can be achieved and correspondingly greenhouse gas emissions decreased. New materials and components based on gallium nitride (GaN) can help to reduce weight and increase the efficiency. With these new materials, power electronic switches can be operated at higher switching frequency, resulting in higher power density and lower material costs. Researchers at the Fraunhofer Institute for Solar Energy Systems ISE together with partners have investigated how these materials can be used to make power electronic systems in aviation applications more efficient.

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