Designing and Testing Composite Energy Storage Systems for Regulating the Outputs of Linear Wave Energy Converters

Zanxiang Nie 1,2,*, Xi Xiao 1,*, Pritesh Hiralal 3, Xuanrui Huang 1, Richard McMahon 4, Min Zhang 5 and Weijia Yuan 5 1 Department of Electrical Engineering, Tsinghua University, Beijing 100084, China; [email protected] 2 Zinergy Shenzhen Ltd., Taohuayuan Science and Technology Innovation Park, Baoan, Shenzhen 518101, China 3 Zinergy UK Ltd., Future Businesss Centre, Cambridge CB4 2HY, UK; [email protected] 4 The Warwick Manufacturing Group, University of Warwick, Coventry CV4 7AL, UK; [email protected] 5 Department of Electronic and Electrical Engineering, Bath University, Bath BA2 7AY, UK; [email protected] (M.Z.); [email protected] (W.Y.) * Correspondence: [email protected] (Z.N.); [email protected] (X.X.); Tel.: +86-139-1009-0731 (X.X.)