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A mode switching, multiterminal converter topology with integrated fluctuating renewable energy source without energy storage

An important functionality of the Solid State Transformer (SST) is the integration of renewable energy sources within the topology itself, acting as a renewable energy hub. Due to the fluctuating nature of the renewable energy source, such integration becomes a challenge and energy storage becomes a requirement. In this paper a topology variant of single phase SST with multi limb magnetic core is proposed which directly integrates the renewable energy source in the high frequency magnetic stage and uses the grid as the energy buffer eliminating the requirement of energy storage.