1. State Key Laboratory of Disaster Prevention & Reduction for Power Grid (Changsha University of Science & Technology) Changsha China
2. State Key Laboratory of Disaster Prevention & Reduction for Power Grid (State Grid Hunan Electric Power Corporation Disaster Prevention and Reduction Center) Changsha China
3. School of Electrical and Information Engineering Hunan University Changsha China
4. State Grid Hunan Electric Power Company Limited Hydropower Company Changsha China