1. Meizhou Power Supply Bureau, Guangdong Power Grid Co., Ltd.,Meizhou,China
2. Jiangmen Power Supply Bureau, Guangdong Power Grid Co., Ltd.,Jiangmen,China
3. Shannwei Power Supply Bureau, Guangdong Power Grid Co., Ltd.,Shannwei,China
4. Emergency and Risk Management Center of Guangdong Power Grid Co.,Ltd.,Guangzhou,China
5. School of Automation, Guangdong University of Technology.,Guangzhou,China