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This paper presents findings of a R&D project targeted to the development of a galvanically isolated step-down DC/DC converter for electrolyzer integration with renewable energy systems. The topology proposed is a three-level neutral point clamped half-bridge with a high-frequency isolation transformer and a current doubler rectifier that fulfils all the targets set by the designers. Despite an...
This paper presents a new integrated (multiport) DC/DC converter for hydrogen-based energy storages. In comparison with traditional solutions based on individual converters for interfacing of an electrolyser and a fuel cell the proposed topology features reduced energy conversion stages. The paper analyzes and discusses the operating principle of the new converter. Several guidelines are presented...
This paper discusses problems related to more cost-effective operation of wind parks. A new rational solution of storing excess energy in the form of hydrogen is described. As hydrogen is produced by the electrolysis process, focus here is on electrolyser and wind turbine interconnections with relevant converter topologies and on the most feasible options.
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