Recently, the first domestic grid-connected wind-solar-storage integrated system for real-time power supply in substations, jointly developed by the Shenzhen Power Supply Bureau, Hopewind, Tsinghua University, and other units, has been successfully put into operation in the Houhai III demonstration project. This marks a significant breakthrough in China's integration of grid-connected energy storage technology with urban distribution networks. Hopewind provided the system with its independently developed string-type grid-connected energy storage inverter
