1. Hezhou Power Grid Co., Ltd.,Power Supply Bureau of Guangxi,Hezhou,China
2. Jia Zeng Guangxi Power Grid Co., Ltd.,Nanning,China
3. Hezhou Power Grid Co., Ltd,Power Supply Bureau of Guangxi,Hezhou,China
4. Electric Power Research Institute of Guangxi Power Grid Co., Ltd.,Guangxi Key Laboratory of Intelligent Control and operation and Maintenance of Power Equipment,Nanning,China
5. Electric Power Research Institute of Guangxi Power Grid Co., Ltd,Guangxi Key Laboratory of Intelligent Control and operation and Maintenance of Power Equipment,Nanning,China