Implementation and Characterization of a 200-kW Full-SiC Isolated DC/DC Converter for Future Medium Voltage PV Plants
Conference: PCIM Europe 2023 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management
05/09/2023 - 05/11/2023 at Nürnberg, Germany
doi:10.30420/566091092
Proceedings: PCIM Europe 2023
Pages: 9Language: englishTyp: PDF
Authors:
Ngo, Minh Nhut (French Alternative Energies and Atomic Energy Commission - CEA, France & University of Toulouse, Laboratory of Plasma and Energy Conversion, France)
Ladoux, Philippe (University of Toulouse, Laboratory of Plasma and Energy Conversion, France)
Martin, Jeremy; Bier, Anthony; Jung, Marc; Dumenil, Sebastien (French Alternative Energies and Atomic Energy Commission - CEA, France)
Sanchez, Sebastien (University of Toulouse, Laboratory of Plasma and Energy Conversion, France & Icam, Campus of Toulouse, France)
Abstract:
Nowadays, considering the limits of photovoltaic power plants, new architectures with an intermediate medium-voltage DC collector are under consideration. Thus, isolated DC/DC converters are key components to accelerate the deployment of these architectures. This paper presents the prototype of a 200-kW two-stage converter based on the cascade association of a Three-Level Boost Chopper and a Solid-State Transformer. To accurately determine the efficiency, each conversion stage is separately characterized with the opposition method. The experimental results show that the two elementary converters offer high efficiency, greater than 99% over 60% of the operating range.