智光电气：助力国内首例“全绿电炼钢”构网型储能示范项目成功并网

Core Insights - The successful grid connection of the green low-carbon energy supply project by Jiangsu Jingjiang Special Steel Co., Ltd. marks a significant milestone in the green and low-carbon transformation of the steel industry [1][4] - The project is the first integrated microgrid demonstration project in the steel industry in China, combining distributed solar power, wind energy, and a high-voltage direct-connected energy storage system [2][4] Group 1: Project Overview - The project integrates 57.97MW of distributed solar power, 37.5MW of wind power, and a 120MW/240MWh user-side high-voltage direct-connected energy storage system [2] - The energy management platform enables multi-energy collaboration and carbon traceability management [2] - The project aims to achieve 100% green electricity supply for electric arc furnace steelmaking, addressing challenges posed by the intermittency and volatility of renewable energy [2][4] Group 2: Technological Features - The energy storage system delivered by Zhiguang Energy has a total capacity of 45MW/90MWh and features advanced capabilities for stabilizing grid voltage and frequency [1] - The system includes a black start function to quickly restore microgrid power supply during grid anomalies, enhancing the stability of electricity supply for critical loads [1] - The system's threefold overcurrent capability allows it to effectively manage power fluctuations, ensuring stable voltage for the steelmaking process [1] Group 3: Environmental Impact - Upon full completion, the project is expected to enhance green electricity consumption by 168 million kilowatt-hours annually and reduce carbon dioxide emissions by approximately 52,000 tons [4] - The project serves as a replicable and scalable engineering demonstration for green electricity substitution in steelmaking, contributing to the national goal of near-zero carbon emissions in the industry [4]