2025年12月31日，西安电子科技大学南校区会议中心气氛热烈。学校信息交叉学部、网络安全与密 码学部、语言智能学部揭牌成立，集成电路学部迎来优化升级。这是西安电子科技大学围绕国家战略发 展需求和科技产业变革形势，以制度创新面向未来"大信息+"学科发展的新举措。 近年来，陕西高校在推进教育科技人才一体发展方面不断探索创新，通过"未来技术学院"、"卓越 工程师学院"、学部制改革等加快学科交叉融合发展，促进在重大科研攻关中培养人才，产出更多一流 成果。 建平台 打造交叉创新高地 西安电子科技大学新一轮学部制改革聚焦学部、学科、学院一体化建设，打造集学科特区、人才特 区、科研特区、项目特区于一体的创新集聚平台，全力打造复合型拔尖创新人才培养中心与学科交叉创 新高地。 "学科交叉融合是驱动科技创新发展、催生重大原创成果的核心引擎。"西安电子科技大学党委书记 任小龙表示，此次学部制改革是应对学校科技革命和产业变革形势、加快学科交叉融合的现实之需，是 学校在推进"双一流"建设、服务国家战略需求方面的重要举措。 近年来，西安电子科技大学围绕国家需求强化有组织科研，在一体抓好学校6个全国重点实验室高 质量发展的同时，2025 ...

Core Points - The world's first 800 kV large-capacity circuit breaker has been successfully developed, marking a significant achievement in electrical engineering [1][2] - The new circuit breaker addresses the issue of excessive short-circuit current in the 750 kV grid, which is crucial for the development of large-scale renewable energy integration and ultra-high voltage transmission [1] Group 1 - The 800 kV/80 kA circuit breaker was developed by a collaboration of several organizations, including State Grid Shaanxi Electric Power Company and Henan Pinggao Electric Co., Ltd [1] - The product has passed technical appraisal by the China Electrotechnical Society, confirming its international leading performance parameters [2] - The circuit breaker is designed to be compatible with existing equipment dimensions, allowing for direct replacement and upgrades, which will significantly enhance the efficiency and cost-effectiveness of grid capacity expansion [2] Group 2 - The development involved innovative simulation models and parameter measurement platforms, leading to the creation of a dual-break arc extinguishing chamber [1] - A new graphene contact material was invented to meet the 20-cycle electrical life requirement, addressing the challenge of arc erosion at 80 kA [1] - The operating mechanism of the circuit breaker features "high-speed breaking + good buffering," overcoming technical challenges in optimizing large-capacity breaking and operating characteristics [1]

"新产品性能参数国际领先，并且与现有设备尺寸完全一致，可直接替换升级，将大幅提升电网增容改 造的效率和经济性。"国网陕西省电力有限公司首席专家盛勇说，该断路器投运后，将进一步提升西北 电网应对极端短路电流的能力，支撑能源集群外送电网网架安全稳定运行，为我国主干电网的安全提供 支撑。 （文章来源：人民日报） 由国网陕西省电力有限公司联合河南平高电气股份有限公司、西安交通大学、中国电力科学研究院、中 国电气装备集团科学技术研究院有限公司等单位研制的800千伏/80千安大容量断路器，近期通过中国电 机工程学会的新产品技术鉴定，标志着世界首台800千伏大容量断路器研制成功。 随着西北电网750千伏主网加速建设、大规模新能源接入及特高压外送跨越式发展，750千伏电网短路电 流超标问题逐渐凸显。国网陕西省电力有限公司瞄准电网需求，2024年依托国家电网科技项目启动研 发，团队创新建立仿真计算模型和参数测量平台，通过多轮计算和试验的迭代优化，研制出800千伏/80 千安双断口灭弧室。同时，发明研制出耐电烧蚀的新型石墨烯触头材料，满足800千伏/80千安断路器20 次电寿命要求，解决开关触头耐受80千安电弧烧蚀难题；研制出满 ...

Core Viewpoint - The successful development of the world's first 800 kV/80 kA large-capacity circuit breaker marks a significant advancement in high-voltage large-capacity breaking technology, addressing the issue of excessive short-circuit current in the 750 kV grid in Northwest China [1][3][7]. Group 1: Product Development and Technical Achievements - The 800 kV/80 kA circuit breaker has passed technical appraisal by the China Electrotechnical Society, with the committee acknowledging its comprehensive performance indicators as reaching international leading levels [1]. - The project faced multiple technical challenges, including a 60% increase in short-circuit current energy and a 27% rise in the recovery voltage rise rate, necessitating significant improvements in the mechanical performance of core components [5]. - The project team developed a high-precision simulation model for the entire breaking process and established an advanced arc measurement system to accurately understand the characteristics of arcs under high voltage and current conditions [5]. Group 2: Industry Impact and Future Prospects - The new circuit breaker is designed to directly replace existing equipment, significantly enhancing the efficiency and economic viability of grid capacity upgrades [7]. - Once operational, the circuit breaker will improve the Northwest grid's ability to handle extreme short-circuit currents, supporting the safe and stable operation of the main power grid in China [7]. - The development aligns with the accelerated construction of the 750 kV main grid and the large-scale integration of renewable energy, addressing the growing challenges posed by short-circuit current issues [3].