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高性能变压器匝间保护技术
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能源早新闻丨全球最大规模,全面投产!
中国能源报· 2026-01-27 22:32
Industry News - The National Energy Administration has established seven standardization technical organizations, including the Power Safety Governance Standardization Technical Committee [2] - In 2025, the hotline platform received 24,468 complaints, primarily related to electricity installation, power outage repairs, and meter measurement [2] - National market regulatory authorities have investigated 1,169 illegal cases related to power banks, ensuring product quality and safety [3] - China has successfully developed a superconducting magnet with a magnetic field strength of 35.6 Tesla, marking a global record in high-temperature superconducting applications [3] - The China Electric Power Research Institute has achieved large-scale application of high-performance transformer protection technology, enhancing the safety of ultra-high voltage and high-voltage direct current projects [3] - Beijing aims to achieve an external green electricity supply of 65 billion kilowatt-hours by 2030 as part of its green transformation strategy [4] - Hainan Province has announced major offshore wind power projects for 2026, with a total investment of 71.75 billion yuan [4] - Qinghai Province plans to produce 16.9 million tons of lithium carbonate in 2025, representing a 25.3% increase, and will focus on developing the "salt lake+" industry [5] Corporate News - The global largest compressed air energy storage project has been fully commissioned, providing significant support for the construction of a new power system in China [8] - Electric Power Investment Corporation expects a net profit of 3 billion to 3.5 billion yuan in 2025, reflecting a year-on-year growth of 187.37% to 235.26% due to major asset restructuring [8]
我国自研高性能变压器保护技术规模化应用
Ke Ji Ri Bao· 2026-01-27 09:31
变压器作为特高压、高压输电系统的核心组件,是保障电网安全稳定的关键。在高电压电网中,其特殊 的绕组结构易由轻微匝间故障快速发展为严重故障,进而引发爆燃起火,严重威胁主设备和系统安全运 行。现有技术受到故障过程多次复杂变化和计算算法影响,动作时间长达50—60毫秒,急需大幅提升动 作性能,降低设备高电压等级下的故障能量累积。 记者1月26日从中国电力科学研究院获悉,近日,该院自主研发的"高性能变压器匝间保护技术"实现转 化,并在国家电网公司特高压、高压直流工程换流站大规模应用,成功攻克困扰行业多年的技术难题, 为我国特大型交直流电网安全运行筑牢屏障。该项成果获得国家电网公司2025年科学技术进步奖一等 奖。 该项目负责人表示,该成果实现了从理论研究、技术突破、样机研制到规模化应用的全链条创新,推动 了国产高端装备保护技术升级,显著提升了变压器安全运行水平。在"双碳"目标引领下,该项核心技术 与装备将持续守护万家灯火,为我国特大型交直流电网安全稳定运行提供坚实支撑。 责任编辑:王奕博 为破解这一痛点,在国家电网公司总部指导下,中国电力科学研究院组建专项攻关团队,聚焦变压器保 护原理等关键难点开展攻坚。在多年技术研 ...
我自研高性能变压器保护技术规模化应用
Ke Ji Ri Bao· 2026-01-27 01:04
科技日报北京1月26日电 (记者华凌)记者26日从中国电力科学研究院获悉,近日,该院自主研发 的"高性能变压器匝间保护技术"实现转化,并在国家电网公司特高压、高压直流工程换流站大规模应 用,成功攻克困扰行业多年的技术难题,为我国特大型交直流电网安全运行筑牢屏障。该项成果获得国 家电网公司2025年科学技术进步奖一等奖。 自2022年起,该团队研制的变压器保护技术已陆续在云霄、灵宝等21个特高压、高压直流换流站投入使 用,在特高压、高压交流系统应用装置超2000台,运行状况良好。后续,该技术将在国家电网公司新建 及改造直流输电工程全面推广应用。 该项目负责人表示,该成果实现了从理论研究、技术突破、样机研制到规模化应用的全链条创新,推动 了国产高端装备保护技术升级,显著提升了变压器安全运行水平。在"双碳"目标引领下,该项核心技术 与装备将持续守护万家灯火,为我国特大型交直流电网安全稳定运行提供坚实支撑。 变压器作为特高压、高压输电系统的核心组件,是保障电网安全稳定的关键。在高电压电网中,其特殊 的绕组结构易由轻微匝间故障快速发展为严重故障,进而引发爆燃起火,严重威胁主设备和系统安全运 行。现有技术受到故障过程多次 ...