WITHDRAWN: Corrigendum to: “Research on DC Protection Strategy in Multi-Terminal Hybrid HVDC System” [Engineering 7 (2021) 1064–1075]

Yuping Zheng1,2, Jiawei He3, Bin Li3, Tonghua Wu1,2, Wei Dai1, Ye Li3
1State Key Laboratory of Smart Grid Protection and Control, NARI Group Corporation, Nanjing 211106, China
2College of Energy and Electrical Engineering, Hohai University, Nanjing 210098, China
3Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China