1. Ltd.,Zhuhai Power Supply Bureau/DC Power Distribution and Consumption Technology, Research Center Guangdong Power Grid Co.,Zhuhai,China
2. Zhuhai Power Supply Bureau Guangdong Power Grid Co., Ltd.,Zhuhai,China
3. Ruili Power Supply Bureau Yunnan Power Grid Co., Ltd.,Ruili,China
4. University of Macau,State Key Laboratory of Internet of Things for Smart City,Macao SAR,China