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March 2, 2024
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Photovoltaic converters: Reducing size, weight and cost through higher switching frequencies and lower losses

Within the Research Project PV-MoVe, researchers at the Fraunhofer IEE investigated how to use active switching loss reduction networks for power semiconductors to enable smaller, more lightweight, and more cost-efficient photovoltaic converters. Using newly developed additional circuitry, switching frequencies for a 50 kW PV inverter could be increased by a factor of 2.5–3 for the DC input stage and by a factor of 10–12.5 for the inverter output stage.Within the Research Project PV-MoVe, researchers at the Fraunhofer IEE investigated how to use active switching loss reduction networks for power semiconductors to enable smaller, more lightweight, and more cost-efficient photovoltaic converters. Using newly developed additional circuitry, switching frequencies for a 50 kW PV inverter could be increased by a factor of 2.5–3 for the DC input stage and by a factor of 10–12.5 for the inverter output stage.

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