央视新闻客户端消息，记者昨天从中国海油获悉，总重量超万吨的英奇角海上风电项目核心装备——导管 架在珠海交付，这是我国建造的欧洲最大单机容量海上风电导管架，标志着我国海上风电类产品核心建造 能力获得重要突破。 本次交付的核心构件包括3套导管架和11套单桩过渡段，总重达13850吨。其中导管架高95.19米。作为我国 首次建造的国际钢桩式风电导管架，其结构连接与防护难度高，建造工艺复杂，过渡段中心筒直径和壁厚 大，焊接工艺开发与精度控制难度显著增加。 海油工程英奇角建造项目副经理 罗健敏：我们在全球首创风电导管架"侧V"建造工艺，应用"模块化预装 +实时监测校准"技术，将导管架合龙精度控制在亚毫米级。自主开发高强钢焊接技术，成功通过-50℃低温 冲击焊评试验，实现核心结构100%国产化建造，填补国内该领域技术空白。精准把控焊接温度与结构形 变，实现焊接一次合格率超过99%。 原标题：视频丨填补技术空白 中国建造欧洲最大单机容量海上风电导管架交付 编辑：高鑫 责编：王光建 审核：张松涛 ...

填补技术空白 中国建造欧洲最大单机容量海上风电导管架交付 记者昨天从中国海油获悉，总重量超万吨的英奇角海上风电项目核心装备——导管架在珠海交付，这是 我国建造的欧洲最大单机容量海上风电导管架，标志着我国海上风电类产品核心建造能力获得重要突 破。 海油工程英奇角建造项目副经理罗健敏：我们在全球首创风电导管架"侧V"建造工艺，应用"模块化预 装+实时监测校准"技术，将导管架合龙精度控制在亚毫米级。自主开发高强钢焊接技术，成功通 过-50℃低温冲击焊评试验，实现核心结构100%国产化建造，填补国内该领域技术空白。精准把控焊接 温度与结构形变，实现焊接一次合格率超过99%。 本次交付的核心构件包括3套导管架和11套单桩过渡段，总重达13850吨。其中导管架高95.19米。作为 我国首次建造的国际钢桩式风电导管架，其结构连接与防护难度高，建造工艺复杂，过渡段中心筒直径 和壁厚大，焊接工艺开发与精度控制难度显著增加。 ...

记者昨天从中国海油获悉，总重量超万吨的英奇角海上风电项目核心装备——导管架在珠海交付，这是我国建造的欧洲最大单机容量海上风电导管架，标志 着我国海上风电类产品核心建造能力获得重要突破。 海油工程英奇角建造项目副经理 罗健敏：我们在全球首创风电导管架"侧V"建造工艺，应用"模块化预装+实时监测校准"技术，将导管架合龙精度控制在亚 毫米级。自主开发高强钢焊接技术，成功通过-50℃低温冲击焊评试验，实现核心结构100%国产化建造，填补国内该领域技术空白。精准把控焊接温度与结 构形变，实现焊接一次合格率超过99%。 本次交付的核心构件包括3套导管架和11套单桩过渡段，总重达13850吨。其中导管架高95.19米。作为我国首次建造的国际钢桩式风电导管架，其结构连接 与防护难度高，建造工艺复杂，过渡段中心筒直径和壁厚大，焊接工艺开发与精度控制难度显著增加。 ...

Group 1 - BYD Energy signed a cooperation framework agreement with State Grid Hunan Zongneng on July 3, 2025, focusing on distributed energy storage [1] - Anhui Anwa New Energy launched the world's first GWh-level new solid-state battery production line on July 4, achieving an energy density exceeding 300Wh/kg and passing safety tests [1] - The Ministry of Industry and Information Technology and five other departments issued a document on July 7 to promote the construction of green data centers, emphasizing the use of efficient energy-saving equipment and active utilization of energy storage technology [1] Group 2 - Huaxi Securities noted that the oversupply issue in the photovoltaic industry has been adequately recognized, with policy expectations improving, and the silicon material segment is expected to benefit first [1] - BC batteries are gaining a premium advantage due to high efficiency, and costs are expected to decrease further due to the application of cheap metal solutions [1] - Offshore wind power has made breakthroughs in large-scale equipment and domestic component production, leading to a significant reduction in levelized cost of electricity and clear industry growth potential [1] Group 3 - The acceleration of UHV (Ultra High Voltage) construction will promote the approval and commencement of multiple transmission channels by 2025, significantly benefiting core equipment manufacturers [1] - In the electric vehicle sector, the maturity of new technologies like solid-state batteries, combined with vehicle replacement policies, is expected to sustain sales growth and stabilize the industry chain [1] - In the energy storage sector, European household storage depletion is nearing completion, and industrial and commercial storage is entering a fast track under price mechanisms and subsidy policies, showing clear signs of demand recovery [1] Group 4 - The ChiNext New Energy ETF by Guotai tracks the Innovation Energy Index, which can have a daily fluctuation of up to 20% [2] - The index, compiled by China Securities Index Co., focuses on upstream and downstream enterprises in the new energy industry chain, including solar, wind, and nuclear energy [2] - The latest fluctuation of the Innovation Energy Index is 2.98%, reflecting the market performance of the new energy sector [2]