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A Modified Bidirectional DC-DC Converter for SMES Applications

With the fast development of superconducting technology, Superconducting magnetic energy storage (SMES) can take more effect to enhance the stability of power system. For the application of SMES, a 1MHz bidirectional Multi-CLLC DC-DC converter is proposed. The operation principle and parameter design are discussed in this paper. Then, a 400W prototype is established and the corresponding experiments are carried out to verify the theory.