Core Insights - The completion and commissioning of the Longdong-Shandong ±800 kV UHVDC project marks China's first large-scale integrated energy base for wind, solar, and thermal power, facilitating cross-regional energy resource optimization and addressing energy shortages in North China while leveraging abundant resources in the West [1][4] Group 1: Project Overview - The Longdong-Shandong project has a total investment of 20.2 billion yuan and spans 915 kilometers, utilizing ±800 kV rated voltage and 8 million kW rated capacity, making it the first UHVDC project to be fully commissioned at once [4] - The project is expected to deliver 36 billion kWh of electricity annually to Shandong, equivalent to the annual electricity consumption of 10 million households, while reducing carbon dioxide emissions by approximately 16 million tons and replacing 6 million tons of coal [2][4] Group 2: Technological Advancements - The project incorporates domestically developed key technologies, including a transformer with load tap changer and DC control protection based on domestic chips, enhancing the resilience and control of China's high-end power transmission and transformation equipment supply chain [7] - The successful implementation of the project has established a new benchmark for UHV construction, marking a transition to standardized and large-scale development in the sector [7] Group 3: Strategic Importance - The project supports the construction of the "Shagouhuan" new energy base and the large-scale development of renewable energy, contributing to the high-quality development of Gansu and Shandong provinces and promoting regional coordinated development [1][4] - It plays a crucial role in enhancing the electricity supply capacity to Shandong, increasing it to 38 million kW, thereby ensuring safe and green energy use during peak summer demand [2][4]

Core Insights - The State Grid announced the completion and commissioning of the East Long—Shandong ±800 kV UHVDC project, marking the establishment of China's first large-scale integrated energy base for wind, solar, and thermal storage [1] - Over half of the electricity transmitted through this UHVDC line is derived from renewable sources such as wind energy, solar energy, and energy storage [1] Industry Impact - This project signifies a significant advancement in China's efforts to integrate renewable energy into the national grid, enhancing energy security and sustainability [1] - The successful operation of this project may set a precedent for future large-scale renewable energy projects in China and potentially influence global energy transition strategies [1]

今天(8日)，我国首个"风光火储一体化"大型综合能源基地外送工程——陇东到山东±80万伏特高压直流 工程竣工投产。通过这条特高压直流输电线路，每年可从甘肃省向山东省输送风电、光伏、火电及储能 电量360亿度。该工程从甘肃出发，途经陕西、山西、河北，最终到达山东，输电线路全长915公里。新 建甘肃庆阳、山东东平两座换流站，输送容量800万千瓦，每年输送的风电、光伏、火电及储能总电量 超过360亿千瓦时，可满足超1000万户家庭一年的用电量。总电量中，绿电占到了一半。(央视新闻) ...

给工业大省注入"绿色动能" 5月5日0时，我国首个"风光火储一体化"特高压工程——陇东至山东±800千伏直流输电项目顺利完 成168小时试运行，具备正式投运条件。 东平换流站内，工作人员手持仪器在设备间仔细检测，示波器上变化的波形牵动着他们的心。"每 一个微小的部件振动，都可能造成设备故障，离项目正式运行的日子越来越近了，我们必须及时排除所 有隐患。"全国劳动模范、国网山东超高压公司变电检修中心电气试验班副班长冯新岩说。 山东是工业大省，产业转型升级急需稳定、绿色的电力支撑。陇东至山东特高压工程不仅是一条能 源跨区域调配的"绿色动脉"，更将成为山东加快绿色低碳高质量发展的重要引擎。 去年5月，习近平总书记在山东考察时，赋予山东"走在前、挑大梁"的重大使命，要求山东大力推 动发展方式绿色低碳转型。山东牢记嘱托，通过电网升级、技术创新与市场机制改革，加速构建新型电 力系统，为产业转型升级注入"绿色动能"。 一条能源跨区域调配的"绿色动脉" 搭乘这条电力"高速公路"，只要0.003秒，甘肃发出的丰富电能就能传输到山东。项目投运后，甘 肃的煤电、风电、光伏发电"打捆"送往山东，将满足山东约4%的年度用电需求 站在甘肃 ...

陇电入鲁工程直流系统带电调试正式启动 此次直流调试计划于3月23日至5月10日开展，分两个阶段进行，第一阶段进行直流站系 统调试，第二阶段进行直流端对端系统调试，涉及试验项目759项。 中国电科院陇电入鲁工程直流系统工程调试总指挥李新年介绍说：从整体工程进展情况 来看是具备了四个换流器同时启动调试的条件，采用这种方式能够进一步提高直流调试的效 率，从而保障整体工程进展。 "陇东~山东±800千伏特高压直流输电工程是我国首个双极高、低端直流系统同时启动带 电调试的特高压工程，实现了特高压工程建设的新突破，标志着中国电力工程管理水平迈上 了新台阶。"国网特高压公司庆阳换流站业主项目部副经理马云龙给我们介绍说。 陇电入鲁工程是我国首个"风光火储一体化"大型综合能源基地外送项目，西起甘肃省庆 阳市庆阳换流站，途经甘肃、陕西、山西、河北、山东5省，东至山东省泰安市东平换流 站，线路全长926.4公里，额定输送容量800万千瓦，新能源输电量占比超50%。 3月23日，陇东~山东±800千伏特高压直流输电工程直流系统带电调试正式启动。这也是 全国首个双极高、低端直流系统同步启动带电调试的特高压直流输电工程。 据了解，该工程 ...