电力科研

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国网青海电科院攻克750千伏高压电抗器现场“体检”世界级难题
Zhong Guo Dian Li Bao· 2025-07-28 08:06
Core Viewpoint - The successful completion of the 750 kV high-voltage parallel reactor on-site partial discharge testing system by the State Grid Qinghai Electric Power Research Institute represents a significant advancement in ensuring the safety and stability of the power grid, particularly in high-altitude environments [1][4]. Group 1: Importance of High-Voltage Parallel Reactors - High-voltage parallel reactors are crucial for maintaining voltage stability and economic operation in ultra/high voltage long-distance transmission systems [1]. - Between 2011 and 2015, nine instances of 750 kV reactors in the Qinghai power grid experienced failures due to insulation defects, highlighting the need for effective diagnostic tools [2]. Group 2: Innovative Solutions - The research team at the State Grid Qinghai Electric Power Research Institute developed a unique solution combining the "energy balance" principle with "reactive wave blocking" technology, significantly reducing the external power input requirements by over 90% [3]. - The application of reactive wave blocking technology improved the signal-to-noise ratio and detection sensitivity by over 20%, enabling clearer identification of internal issues in complex field environments [3]. Group 3: Achievements and Economic Impact - After 19 months of development, the team created the world's first 750 kV high-voltage parallel reactor on-site partial discharge testing system, addressing the challenges of precise detection in complex electromagnetic environments [4]. - The technology has generated economic benefits exceeding 49.92 million yuan through various inspections and diagnostics across multiple substations in Qinghai and Gansu provinces [5]. - The project received the third prize for the National Grid Corporation's Technology Invention Award for 2024, indicating its significance in enhancing energy security and supporting the construction of a new power system in China [5].
广州电力科学研究院:聚焦多元使命 开启城市电网发展转型新程
Huan Qiu Wang· 2025-07-08 04:10
Core Viewpoint - The article discusses the transformation and development of the Guangzhou Electric Power Research Institute, emphasizing its role in promoting innovation and integrating industry and research to enhance urban power grid management and technology [1][12]. Group 1: Focus on Technological Supervision - The Guangzhou Electric Power Research Institute prioritizes direct service to production, maintaining critical testing operations for high-voltage substations, which helps avoid a shift from core business to less tangible activities [2]. - The institute has implemented a digital quality control system that integrates data from over ten suppliers, achieving a 60% increase in work efficiency in 2024 [2]. - An online monitoring system has been established, achieving a 98% accuracy rate in automated maintenance plans, significantly improving operational oversight [3]. Group 2: Commitment to Innovation - The institute has consolidated various research resources to form the Guangzhou Electric Power Research Institute, focusing on strategic emerging industries like green and environmentally friendly electrical materials [4]. - A platform-based organizational structure has been introduced to enhance innovation service delivery, allowing for better resource allocation and reducing repetitive administrative tasks [5]. - The research teams have been freed from daily operational duties, enabling them to focus on innovation, leading to successful projects like the 220kV plant oil transformer [4][5]. Group 3: Reform and Development Strategy - The new company, Guangzhou New Zhili Energy Technology Co., aims to explore innovative mechanisms and is focused on green electrical products, with a mission to break through existing frameworks [9][10]. - The company has set ambitious revenue targets and has already achieved a goal of 30 million in revenue within four months of operation [10]. - A series of supportive policies have been introduced to stimulate innovation and entrepreneurship, ensuring that both the organization and individuals benefit from the reforms [11]. Group 4: Balancing Production and Research - The institute is transitioning from a service-oriented model to an innovation-driven approach, balancing production, research, and industry needs [12]. - The management team faces new challenges in integrating multiple objectives while maintaining effective oversight of production and research activities [12].
国网甘肃电科院:以“三化”建设推动纪检工作提质增效
Zhong Guo Neng Yuan Wang· 2025-06-27 07:38
Group 1 - The core viewpoint of the articles emphasizes the importance of strengthening the discipline inspection work within the State Grid Gansu Electric Power Research Institute through a "three modernization" initiative, focusing on organizational and institutional development [1][2] Group 2 - The company is enhancing team building by establishing a two-level management structure for discipline inspection, clarifying the roles and responsibilities of discipline inspection committee members, and creating a coordinated supervision network [1] - The company is improving governance capabilities by revising the "Daily Supervision Management Measures" to address institutional shortcomings and integrating discipline inspection work with the core operations of the research institute [1] - The company is conducting in-depth field visits and research to identify and address integrity risks and project construction issues, aiming to eliminate obstacles to enterprise development [2] - The company plans to continue aligning its discipline inspection work with the implementation of the central eight regulations, focusing on improving the quality and effectiveness of its work [2]
冲锋在一线 攻关在前沿(党旗在基层一线高高飘扬)
Ren Min Ri Bao· 2025-06-23 21:50
Core Insights - The article highlights the proactive approach of China Huadian Electric Power Research Institute in advancing renewable energy technologies through dedicated research teams and party leadership [1][2][3] Group 1: Research and Development - The New Energy Research Center at Huadian Electric Power Research Institute is focused on developing a key management platform for renewable energy, emphasizing the importance of self-reliance in core technology development [1] - The team has successfully improved the accuracy of their remote diagnosis platform to 85% after extensive fieldwork across over 40 wind farms in regions like Inner Mongolia, Hebei, and Xinjiang [1] Group 2: Party Leadership and Innovation - The institute has integrated party leadership into its innovation processes, establishing "Party Pioneer Posts" at critical positions to enhance research capabilities [2] - A new project aimed at improving the flexibility of coal-fired power generation has been initiated, with a focus on supporting the development of renewable energy [2] Group 3: Collaborative Efforts - The institute has implemented a collaborative model that links universities, research institutions, and energy companies to enhance resource sharing and innovation in clean coal and new energy storage technologies [3] - A total of 37 major national technology projects and 215 strategic emerging industry projects have been planned, showcasing the institute's commitment to high-quality development through effective party leadership [3]
国内首次极端低温高压电缆终端绝缘特性试验在天津开展
Zhong Guo Xin Wen Wang· 2025-05-28 12:48
Core Viewpoint - The State Grid Tianjin Electric Power Research Institute has conducted the first domestic extreme low-temperature testing of high-voltage cable terminals, which will provide crucial data support for winter operation and maintenance of high-voltage cable equipment [1][3]. Group 1: Testing and Research - The testing involves a stepwise cooling process from room temperature to extreme cold, focusing on the insulation characteristics of 220 kV high-voltage cable terminals [1][3]. - The research team has built a temperature-controlled laboratory over two years to study the operational mechanisms of high-voltage cables under extreme weather conditions [3]. - Sensors for temperature and pressure have been installed inside the cable terminals to ensure the accuracy of the test data [3]. Group 2: Testing Conditions and Data Collection - The tests will be conducted at three low-temperature points: -5°C, -15°C, and -25°C, with steady-state data collected under high load conditions [3]. - The expected duration for data collection at the three temperature points is 80 hours, with a total testing period of two months [3]. - The core objective is to establish a correlation model between environmental temperature and terminal interface pressure, assessing discharge risks under different low temperatures [3]. Group 3: Future Research Directions - Future studies will include the impact of insulation blankets on the insulation characteristics of high-voltage GIS terminals [4]. - The laboratory serves not only for cable terminal research but also as a reliability verification platform for various types of power grid equipment under extreme conditions [4].