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 EPE 2025 - LS1c: Smart grids and renewable energy 
 You are here: EPE Documents > 01 - EPE & EPE ECCE Conference Proceedings > EPE 2025 - Conference > EPE 2025 - Topic 02: Smart Grids and Renewable Energy > EPE 2025 - LS1c: Smart grids and renewable energy 
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   Containerized AC/DC Converter Station as a Building Block for Medium-Voltage DC Grids 
 By Thomas BRÜCKNER, Ali SHARAF ADDIN, Sven MARQUARDT, Arif CÖMERT, Florian ZIMMERT 
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Abstract: DC grids are one solution to help balance the growing energy demand with distributed renewable generation and storage systems. To simplify the setup of medium-voltage (MV) DC grids, a simple system architecture with few standardized core components is necessary. For the coupling of new MVDC grids to existing AC grids, this paper proposes a design for a modular multilevel converter (MMC) station that could be premanufactured in factory and easily shipped to any site as a building block with up to 40-MW power rating. To achieve the required level of integration and compactness, innovative approaches for component and system-level design need to go hand in hand, as will be illustrated in the paper.

 
   High-Power 4500 V 5000 A Press Pack IGBTs for HVDC Solid-State Circuit Breaker Application 
 By Koushik SASMAL, Josef SCHMIDT, Hans-Peter FELSL, Martin HENNIG, Markus DROLDNER, Christof DRILLING, Jens PRZYBILLA 
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Abstract: Low Temperature Sintered Press-pack IGBTs (PPI) outperform modules, offering improved cooling efficiency, reliability, and significantly higher-current handling. A single 4500 V, 5000 A PPI is designed to withstand 20-30 kA DC system short-circuit currents for 150 ms, making PPI a robust and space-saving choice for solid-state DC breaker applications.

 
   New Multilevel Converter System for Electric Arc Furnace Power Supply 
 By Duro BASIC, Cyrille BAVIERE, Philippe CLAVIER, Pieee-Louis GARMIER, Nicolas LAPASSAT, Christof SIHLER, Franck TERRIEN 
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Abstract: Historically, utility requirements have been satisfied with the use of compensators (SVCs or STATCOMs) connected in parallel to electric arc furnaces (EAFs), to correct the power factor and reduce harmonics, flicker, and unbalance. To further increase power quality and furnace productivity, a series-connected converter system for EAFs has been developed.