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我国直流输电核心装备实现关键跨越
Zhong Guo Dian Li Bao· 2026-01-13 03:21
Core Viewpoint - The successful operation of the world's first hybrid commutation converter valve at the State Grid Henan Lingbao Converter Station marks a significant leap for China in the field of core equipment for direct current transmission, transitioning from a follower to a leader in technology [2][3]. Group 1: Technological Breakthrough - The hybrid commutation converter valve, developed using self-controlled IGCT devices, addresses the long-standing issue of "commutation failure" in conventional direct current transmission systems, which has limited the capacity for large-scale clean energy transmission from the western regions to the eastern load centers [3]. - The development involved collaboration between the State Grid Henan Electric Power Company and Tsinghua University, culminating in the successful completion of type testing in June 2023, with the equipment being recognized as "internationally leading" by the China Machinery Industry Federation in July 2023 [3]. Group 2: Quality Assurance and Supervision - A comprehensive technical supervision system was established to ensure high-quality manufacturing of the hybrid commutation converter valve, focusing on key equipment, components, and processes, with 119 modification clauses developed for the implementation guidelines [4]. - The technical supervision team conducted extensive testing and quality control measures, including factory tests and performance reliability assessments, to ensure the integrity and safety of the equipment before its deployment [5]. Group 3: Project Implementation and Testing - The project entered the implementation phase in October 2025, with rigorous installation and testing protocols in place to ensure all components met high standards of quality and reliability [6]. - The successful completion of 136 testing projects, including artificial short-circuit tests, demonstrated the new valve's ability to prevent commutation failures caused by AC faults, achieving performance indicators that meet international standards [6].
中国完全自主研制首款6吨级倾转旋翼飞行器成功首飞;俄首款完成进口替代的民用飞机图-214获型号大改批准丨智能制造日报
创业邦· 2025-12-29 03:10
Group 1 - The first domestically developed 6-ton tilt-rotor aircraft, R6000, successfully completed its maiden flight in Sichuan, marking a breakthrough in key tilt-rotor technology in China [2] - The Beihai Power Plant in Guangxi has successfully launched its fourth unit after 168 hours of full-load trial operation, with a total generation capacity of 96 million kilowatt-hours, making it the strongest peak-shaving generator in the region [2] - The Tu-214 aircraft, Russia's first fully imported substitute civil aircraft, received a major modification approval from the Federal Air Transport Agency, with plans to increase annual production to 20 units by the end of 2027 [2] - A new generation of hybrid commutation converter, based on IGCT devices, has been put into commercial operation in Henan, addressing the critical technical challenge of "commutation failure" in the DC transmission field [2]
“10万+”发明专利是新起点
He Nan Ri Bao· 2025-12-28 23:20
Group 1 - The core achievement of China's innovation in the power sector is the successful commercial operation of the new generation hybrid commutation converter, which addresses the long-standing "commutation failure" issue in DC transmission technology [1] - As of the end of November, the effective number of invention patents in Henan province reached 100,592, marking an 8.62% year-on-year increase, with significant contributions from various sectors including universities, research institutions, and enterprises [1] - The patent commercialization rate in Henan has doubled in 2023, with 1,784 effective invention patents having been industrialized, indicating a strong trend towards transforming research into practical applications [1] Group 2 - During the "14th Five-Year Plan," Henan has implemented a series of supportive policies for intellectual property, enhancing the creation, protection, and utilization of patents, which has led to a steady increase in invention patents [2] - The collaborative innovation model in Henan involves enterprises taking the lead, supported by universities and research institutions, fostering a robust ecosystem for patent development and commercialization [2] - Looking ahead to the "15th Five-Year Plan," Henan aims to strengthen the role of enterprises in innovation, enhance the quality of patents, and optimize the innovation ecosystem to ensure sustainable growth in patent development [2]
能源早新闻丨我国自主研发,投入运行!
中国能源报· 2025-12-28 22:33
News Highlights - The first batch of national-level zero-carbon parks has been announced, including 52 parks such as Beijing Economic-Technological Development Area and Tianjin Economic-Technological Development Area [2] - The National Development and Reform Commission and the National Energy Administration released the "Basic Rules for the Electric Power Mid- to Long-term Market," aiming to enhance the balance of long-term supply and demand in the electricity market [2] - As of November, the total installed power generation capacity in China reached 3.79 billion kilowatts, a year-on-year increase of 17.1%, with solar power capacity growing by 41.9% [2] - In November, 258 million green certificates were issued, with 58.25% being tradable [2] - China's first million-kilowatt offshore photovoltaic project has been fully connected to the grid, marking the largest open offshore photovoltaic project globally [2] Domestic News - The international thermonuclear fusion experimental reactor (ITER) correction field coil procurement package has been completed and delivered in Hefei [3] - Central enterprises have commenced construction on headquarters projects in Xiong'an New Area, with all four enterprises in the second batch starting construction [3] - A new type of hybrid commutation converter valve developed in China has begun commercial operation in Henan, addressing key technical challenges in DC transmission [3] Infrastructure Projects - The Xiang-Guangdong back-to-back interconnection project has started construction, with a total investment of 5.755 billion yuan, expected to be operational by June 30, 2027 [4] - Shanxi Province has completed its first market-oriented price bidding for incremental renewable energy projects, with 49 projects selected and a total mechanism electricity volume of 545.7 million kilowatt-hours [5] International News - Chile has established a new company to enhance lithium development and production, merging subsidiaries of the state-owned Codelco and SQM for exploration and commercialization activities [6] Corporate News - The first batch of units at the Yebatang Hydropower Station has been officially put into operation, expected to generate over 10.2 billion kilowatt-hours annually, saving approximately 310,000 tons of standard coal and reducing CO2 emissions by over 830,000 tons [7] - The construction of a 1,000-ton navigation facility at the Longtan Hydropower Station in Guangxi has begun, expected to be completed by September 2031 [7]
我国自主研发的新型混合换相换流阀在河南投入运行
Xin Hua Wang· 2025-12-28 07:23
Core Viewpoint - The successful commercial operation of a new generation hybrid commutation converter valve, developed based on IGCT devices, marks a significant breakthrough in addressing the "commutation failure" issue in the DC transmission sector [1] Group 1: Technology Development - The new hybrid commutation converter valve was put into commercial operation at the State Grid Corporation's Lingbao back-to-back converter station in Henan [1] - This technology allows for precise current identification and rapid disconnection within microsecond timeframes, featuring a "fully controlled" characteristic that resolves the "commutation failure" problem [1] Group 2: Industry Impact - The hybrid converter valve represents a shift from traditional thyristor converter valves, which are limited by their "half-controlled" nature, leading to risks during AC-DC conversion [1] - The development involved collaboration among the State Grid Corporation, Tsinghua University, Huairou Laboratory, and China Electric Equipment Group, showcasing a significant achievement in independent innovation from core components to integrated systems [1]