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Achtung! Power technology on display at PCIM Nuremberg

May 17, 2019 By Lee Teschler Leave a Comment

Smaller inverters for offshore wind farms

fraunhoferOff-shore wind farms are a big deal in Europe. Germany’s Fraunhofer IZM – a well-known institute for applied research, development, and system integration of industrial electronics and semiconductor technology– devised a GaN-based inverter aimed at wind farm use. The small physical footprint made possible by wide bandgap power semiconductors really comes in handy for electronics that must sit at the top of a big steel tube in the middle of a sea somewhere. Meant as a technology demonstration, the Fraunhofer inverter has a high power density thanks to the smaller magnetics associated with the six GaN half-bridges. Gate signals are inductively coupled in, and gate control signals are accurate to within less than 500 psec so the amount of charge transferred to the FET gates can be set precisely, minimizing the chance of oscillations because of gate capacitance.
NEXT PAGE: A hard look at a soft-switching topology

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Pages: Page 1 Page 2 Page 3 Page 4 Page 5 Page 6 Page 7 Page 8 Page 9 Page 10 Page 11 Page 12 Page 13

Filed Under: Converters, DC-DC, Development Tools, Featured, LED Lighting, Power Components Tagged With: advancedcoolingtechnologies, ashimicrodevices, epc, gansystems, infineon, microchiptechnologyinc, nexperia, transphorm

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