Voltage transformer is the core equipment that ensures the safe operation of enterprise electricity meters and achieves accurate and error free measurement. In order to achieve the goal of 24-hour real-time monitoring and automatic abnormal alarm of voltage transformers, Xie Chao, an employee of State Grid Zhejiang Hangzhou Power Supply Company, and his team, together with experts from State Grid Zhejiang Electric Power Marketing Service Center, have launched the research and development of an online monitoring device for voltage transformers since March 2026.

Since joining the workforce in 2015, Xie Chao has been deeply involved in the field of power metering technology research and development. He has completed more than 60 analyses and studies of complex electricity scenarios, and his multiple technological achievements have won various awards at the provincial level and above. In 2024, she stood out among 130000 power team leaders nationwide, successfully winning the first National Red Flag Cup Team Leader Competition Power Track Championship, and was awarded the National May Day Labor Medal in 2026.Editor/Gong Ziwei