10千伏南聂线穿越林区，亘长数十千米，环境复杂树线矛盾频发，需要具备快速精准的故障处置能力， 以预防因火灾引起的大面积停电。基于中压载波通信的分布式智能保护控制技术,能够解决该区域光纤 通信建设运维成本高、4G/5G无线公网信号覆盖薄弱的问题。为确保首次应用的可靠性，东北电科院依 托RTDS半实物仿真平台，开展短路、接地、断线故障及通信异常、设备拒动等数十种典型故障场景系 统测试。结果显示，系统故障隔离准确率达100%，运行可靠性高。 在由国网抚顺供电公司负责实施的带电作业中，经现场测试结果表明，四台终端间载波组网通信稳定可 靠。中压电力线载波通信适用于农网，无运营商费用和信号质量影响，性能比肩光纤，配网线路改造时 可灵活调节，解决了山火预防和分布式光伏广泛接入等困扰配网发展的痛点问题。 4月22日，国际首套基于中压载波的分布式智能保护控制系统在辽宁抚顺新宾县10千伏南聂线示范应 用。 该项目由国网辽宁电力配网部牵头组织，东北电科院研发测试，国网抚顺供电公司示范实施。首次将中 压电力线载波通信技术应用于分布式智能保护控制系统，针对中压载波与分布式保护间配合的实时性、 可靠性、并发性等诸多难题，开展技术攻关，将 ...

5月14日，在国网湖北省电力有限公司物联及人工智能实验室，一台简易机器人正在充电。其外形酷似 一台工业级扫地机器人，顶部竖着一根长杆，杆上分布着若干个高清摄像头。技术人员轻点屏幕上 的"一键智能检测"，简易机器人随即启动，按照预设指令完成移动、巡视、图像回传等动作，半小时 后，自动生成一份详细的机器人入网协议检测报告。 这是湖北电力刚刚建成投运的简易机器人入网检测"利器"——全国首个变电室内简易机器人入网协议智 能检测平台。变电室内简易机器人主要用于变电站内的设备巡检、数据采集等工作。然而，机器人的生 产厂家各异，入网协议不统一，机器人与变电站智能巡视主站的调试成本高，上线进度慢。为此，湖北 电力梳理编制变电室内简易机器人本体控制检测、任务下发检测等13项检测用例、137个检测步骤，研 发变电室内简易机器人入网协议智能检测平台。该平台能向机器人发送控制指令、巡检任务，跟踪机器 人的动作执行情况，实现对机器人自动充电、拍照录像等功能的全套自动化检测，还具备灵活检测配置 用例、自动出具检测报告等功能，提升了机器人入网检测效率。 此前，机器人入网检测需要厂家、变电运维人员到变电站现场后逐项开展，遇到问题要往返调试。 ...

Core Points - China Shenhua Energy Co., Ltd. reported a total coal production of 82.5 million tons and total power generation of 50.42 billion kWh in Q1 2025, with operating revenue of 69.585 billion yuan and net profit attributable to shareholders of 11.949 billion yuan [1] Group 1: Coal Sales and Market Conditions - In Q1 2025, coal sales volume decreased by 15.3% year-on-year to 99.3 million tons, with self-produced coal sales down by 4.7% and purchased coal sales down by 40.4% [2] - The decline in coal sales was attributed to faster recovery of production capacity compared to demand, higher temperatures, and elevated coal inventory levels, leading to weak market conditions [2] Group 2: Coal Chemical Business Performance - The coal chemical business achieved a profit of approximately 43 million yuan in Q1 2025, representing a year-on-year increase of 168.8%, primarily due to lower raw coal procurement prices and reduced repair costs compared to the previous year [3] Group 3: Intelligent Mining Development - By Q1 2025, the company had established 3 national-level intelligent demonstration coal mines and 7 advanced intelligent coal mines, with plans to build 7 more advanced intelligent coal mines by 2025 [4] Group 4: Power Generation Investment - The company plans to invest approximately 17.4 billion yuan in the power generation sector in 2025, with 6 coal-fired power projects under construction, totaling 12 units and approximately 9.34 million kW of installed capacity [5] Group 5: Power Generation Performance - In Q1 2025, the company's power generation decreased by 10.7% year-on-year to 50.42 billion kWh, influenced by a nationwide decline in thermal power generation and significant reductions in certain provinces [6][7] Group 6: Future Growth Drivers - The company aims to strengthen its integrated operational capabilities and focus on clean and efficient coal utilization, adapting to the evolving energy market [8] - The company is actively pursuing project investments, mergers, and acquisitions to enhance its operational capacity and resource base, including a recent acquisition that added significant resources and power generation capacity [8] - Continuous investment in R&D, maintaining over 4 billion yuan annually, is aimed at enhancing efficiency and exploring new technologies for future growth [8]

Core Viewpoint - The recent announcement by multiple national agencies marks the transition of vehicle-grid interaction from exploratory research to large-scale application trials, which is crucial for the development of electric vehicle infrastructure and the new energy system in China [1][2]. Policy Direction - The path for vehicle-grid interaction has been clearly defined through various national policies, with significant milestones set for 2025 and 2030 regarding technical standards, pricing mechanisms, and market mechanisms [2]. Development Outlook - The rapid growth of China's electric vehicle market is evident, with projections indicating a total of 31.4 million electric vehicles and 12.818 million charging facilities by the end of 2024, alongside a substantial increase in charging volume [3]. - The need for vehicle-grid interaction technology is underscored by the challenges posed by peak charging times coinciding with residential electricity demand, necessitating active participation in grid regulation [3]. Pilot Programs - Vehicle-grid interaction is maturing, with successful pilot programs demonstrating the feasibility of time-of-use pricing and resource aggregation for grid services, including a large-scale event involving over 100,000 electric vehicles [3]. Challenges - There are significant challenges in technology and infrastructure, including the impact of frequent charging on battery life and the need for smarter charging facilities to meet dynamic grid demands [4]. - The standardization of vehicle-grid interaction is still in its infancy, with existing standards lacking effective regulations for data exchange and operational control [4]. - The commercial model for vehicle-grid interaction requires innovation, as current revenue mechanisms are limited and do not adequately cover the costs of advanced charging infrastructure [5]. Strategic Measures - Key technological advancements are needed, particularly in battery life and safety for high-frequency charging, as well as the development of a robust vehicle-grid interaction system [6]. - There is a pressing need to establish a unified standard system across various sectors involved in vehicle-grid interaction to facilitate effective collaboration [6]. - Market mechanisms must be optimized to encourage flexible charging and discharging practices, enhancing the participation of electric vehicles in energy markets [6].

当前，我国已与周边多国实现互联，中老、中巴等500千伏跨境联网工程不断推进，为能源资源大范围 配置提供有力支撑，然而其风险也不容忽视。建议强化顶层设计与统筹协调，推动制定跨国电网互联专 项规划，引导相关单位充分融入国家外交政策和能源战略框架，明确发展目标、重点区域和合作机制， 在战略价值最大化的基础上牢牢守住电网安全防线。同时，主导制定跨境电网互联的技术标准，明确协 调管理规则，提前做好与邻国电力系统、国内跨区联网工程的调度准备工作，进一步明确联网系统的安 全运行边界，防范联网系统故障影响互联各方安全。此外，完善跨国、跨区应急处置预案，并开展政企 联合反事故演练，模拟极端场景下频率崩溃、线路过载等危机的协同处置，提升跨境协调效率。 随着我国电网规模不断扩大、分布式能源成片接入，新能源占比不断提升，新型电力系统背景下系统运 行边界及故障影响易突破预想空间，高比例电子设备使得电网设备交互耦合加剧、系统稳定特性复杂、 故障形态易演变，电力系统抗扰动能力与稳定性面临着新的挑战。传统安全稳定防线针对离线典型运行 方式设计，难以覆盖所有可能出现的场景，存在控制措施过于严苛或失配的风险。建议深入开展电力系 统在线安全稳定防 ...

4月28日，欧洲伊比利亚半岛发生大规模停电事故。在全球能源转型持续深入推进的背景下，该事件究 竟是偶然现象，还是带有某种阶段性的必然？ 现代电网具有天然的脆弱性 作为现代社会最重要的能源基础设施之一，电网的安全稳定运行关乎国计民生，实为"国之大者"。但现 代电网已经发展为由物理电力和信息通信构成的复杂耦合网络系统，具有与生俱来的脆弱性。 现代电网已经成为有史以来规模最大的人造网络系统，而电网具有超大规模网络内生的级联故障风险。 以我国为例，到2023年底，我国仅220千伏及以上的输电线路就已超过92万千米，电网运营线路总里程 超过350万千米，形成多达数百万节点的复杂拓扑结构。稍有不慎，高度互联特性就会使得局部故障扩 散、放大至区域甚至跨区电网，造成不可估量的损失。 电网受实时平衡的物理约束，对电压、频率的扰动极为敏感。为保障电力供应，电力系统需遵循严格的 能量守恒定律，发电与用电必须实现毫秒级动态平衡。国内外案例显示，电压偏差超过±10%或频率偏 差超过±0.5赫兹，都可能导致设备故障或系统不稳定，严重者甚至可能导致部分电网解列或大面积停 电。 电网设备绝大多数直接暴露于自然环境中，对环境变化的敏感性极高， ...

Core Viewpoint - The major power outage in Spain on April 28 serves as a significant warning for global energy transition, highlighting the vulnerabilities of electric grids under high renewable energy penetration [1] Group 1: Challenges in Renewable Energy Integration - The recent power outage in Spain is not an isolated incident, as similar stability crises have occurred in Germany and California due to high renewable energy penetration [3] - Key challenges include the volatility of renewable energy generation, which is heavily influenced by weather, and the lack of traditional inertia support from fossil fuel power plants [3] - There is a structural shortage of flexible resources such as energy storage and gas power generation, which hampers the grid's ability to respond to sudden power fluctuations [3] - The existing transmission capacity is insufficient to match the uneven distribution of renewable energy, limiting the ability for cross-regional power sharing [3] - The rapid expansion of renewable energy capacity is not matched by necessary upgrades in grid adaptability, with Spain's renewable energy generation reaching 51.5% in 2023 while grid investment has declined [3] Group 2: Recommendations for Grid Resilience - To enhance grid resilience, it is essential to accelerate the construction of energy storage systems and flexible resources, including the retrofitting of coal power plants for flexibility [5] - Upgrading the grid's "nervous system" through digital twin technology and smart sensors can significantly improve monitoring and response capabilities [5] - Strengthening cross-regional power sharing requires both domestic and international efforts, including the construction of ultra-high voltage transmission lines and collaboration with neighboring regions [5] Group 3: Policy and Market Mechanisms - Establishing a robust auxiliary service market is crucial for incentivizing flexible resources to participate in grid management [6] - Enhancing extreme weather response capabilities through a comprehensive early warning system and emergency response plans is necessary for sustainable energy transition [6]

Core Viewpoint - The event "China Green Certificate: Smooth Sailing in China, Moving Towards the World" marks a significant step for China's green certificate system, showcasing its development and international recognition, particularly in the Guangdong-Hong Kong-Macao Greater Bay Area [1][9][10]. Group 1: Market Development - The Guangdong-Hong Kong-Macao Greater Bay Area is recognized as a key driver for economic growth and a pioneer in cultivating the green certificate market, with expanding coverage and record trading volumes [2][3]. - The cumulative trading volume of green certificates in the Greater Bay Area reached 1,329 billion kilowatt-hours, with an average growth rate of 10 times, and is projected to reach 491 billion kilowatt-hours in 2024, marking an 11-fold year-on-year increase [3]. - The region's green electricity trading achieved a remarkable start in Q1 2025, with a trading volume of 780 billion kilowatt-hours, a 16-fold increase year-on-year, accounting for 39% of the national trading volume during the same period [3]. Group 2: Energy Supply and Consumption - The development of the green certificate market is supported by a robust supply of green energy, with the installed capacity of renewable energy in the Greater Bay Area exceeding 200 million kilowatts, making it the largest power source for the Southern Power Grid [4]. - The Southern Power Grid delivers over 2,000 billion kilowatt-hours of electricity to the Greater Bay Area annually, with non-fossil energy accounting for 55% of its total energy supply [4]. - The diversity of consumption participants in the green certificate market is notable, with over 3,000 entities involved in green electricity consumption in 2024, driven by energy-saving policies and the green transformation of supply chains [6]. Group 3: International Recognition and Impact - The global recognition of China's green certificate by the RE100 initiative is a pivotal moment, allowing both Chinese enterprises and international partners to confidently adopt green certificates for renewable energy procurement [9][10]. - This recognition enhances the competitiveness of Chinese enterprises in the global market, particularly in light of international carbon trade regulations, and supports their green transformation efforts [11]. - The comprehensive acknowledgment of China's green certificate system signifies its alignment with international standards and its emerging global status [10]. Group 4: Future Directions - The green certificate market is transitioning to a new phase focused on high-quality development driven by demand, with a dual mechanism of mandatory and voluntary consumption to stimulate market vitality [12]. - Green certificates are evolving from mere proof of green electricity consumption to essential tools for corporate green transformation and carbon reduction [12]. - The successful implementation of the green certificate system in the Greater Bay Area serves as a replicable model for broader market development, contributing to global sustainable development efforts [14].

原标题：全国劳动模范李斌：一把焊枪"点亮"美丽海岛 | 新时代奋斗者 盛夏时节，锅炉房40多摄氏度的高温下，他手持焊枪连续工作24小时。春寒料峭，60多米高的锅炉 检修现场，他连续奋战三天三夜......32年来，他用一把焊枪，守护电厂安全运行8900余天，也照亮了舟 山海岛的千家万户。他就是国家能源集团浙江公司舟山电厂锅炉专工、锅炉班长李斌。 1993年7月，李斌怀揣着青春梦想，跨入舟山电厂大门，成为一名锅炉检修工。舟山电厂是燃煤机 组，金属材料品种多，工艺要求复杂。每天一上班，李斌就钻入焊接培训室，平焊、横焊、立焊、仰 焊，一天轮回着来。为强化手臂稳定性，他在焊把上系上至少2公斤的砖块。"刚开始，一天下来手臂酸 得连筷子都夹不住。"李斌回忆说。手臂上烫起的水泡瘪了又起，被电弧灼伤的皮好了又褪。一次，因 为练习仰板焊新技术，工作服被火花烫出密密麻麻的洞眼。母亲看到后，边缝补工装，边暗自落泪。李 斌搂住母亲肩膀，安慰说："这可是刻在我身上的特殊印章，别人想要，我还不舍得给呢。" 李斌在现场。舟山电厂马卫平 摄 勤学理论，苦练实操，短短三个月，李斌考取了锅炉压力容器焊工证书，独自承担起锅炉设备焊接 任务。200 ...

Core Viewpoint - The conference held by Dongfang Electric on May 10 showcased its leading green low-carbon technologies and innovations, emphasizing the company's commitment to high-end, intelligent, and green development in the energy sector [1] Group 1: New Technologies and Products - Dongfang Electric introduced the 26 MW offshore wind turbine, the largest in the world, capable of generating over 100 million kWh of clean energy annually under optimal wind conditions [3] - The company unveiled the G50 heavy-duty gas turbine, which has a power output of over 70,000 kWh per hour, sufficient to meet the daily electricity needs of 7,000 households, and can reduce carbon emissions by approximately 500,000 tons annually [5] - Dongfang Electric has developed a complete set of key technologies for pumped storage, with an annual production capacity of 50 units, exceeding 1,500 MW [7] - The company is focused on tower-type solar thermal technology, participating in over 20 solar thermal projects, including the first domestic solar thermal demonstration projects [9] - Dongfang Electric has created a 12,000-meter intelligent drilling rig, leading in oil and gas exploration and development equipment [11] - The new generation of coal power technology has achieved breakthroughs in clean carbon reduction and flexible operation, enhancing the efficiency and reliability of power generation [13] - The 700 MW ultra-supercritical circulating fluidized bed boiler technology has improved thermal efficiency to 46.5%, saving over 175,000 tons of standard coal annually and reducing CO2 emissions by 500,000 tons [15] - The company has developed a green low-carbon power plant solution that significantly enhances the efficiency of traditional coal power units [17] - Dongfang Electric's smart products for coal power units are applied in numerous power plants, providing advanced operational support and maintenance recommendations [20]