新型电力负荷管理系统
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绿电澎湃润南国 数智赋能启未来——南方电网 “十四五”新型电力系统建设综述
Zhong Guo Dian Li Bao· 2025-11-03 08:28
Core Viewpoint - The sixth International Forum on New Power Systems and the 21st International Technology Forum of China Southern Power Grid was held, showcasing the achievements and innovations in the construction of new power systems during the 14th Five-Year Plan period [1] Group 1: Achievements in New Power System Construction - China Southern Power Grid has built the world's largest AC-DC interconnected grid, with cumulative electricity transmission exceeding 950 billion kilowatt-hours [1] - The reliability of power supply in the Guangdong-Hong Kong-Macao Greater Bay Area has reached world-class levels [1] - The number of registered market participants in the electricity trading market has surpassed 220,000, accounting for one-fourth of the national total, with over 70% of electricity traded through market mechanisms [1] - The ultra-high voltage transmission technology is internationally leading, with the Kunliulong DC project achieving 19 world-first power technology milestones [1] Group 2: Green Energy Supply and Efficiency - The digitalization efforts have improved the management of renewable energy, with short-term forecasting accuracy for wind and solar power reaching 88% and 93%, respectively [2] - Non-fossil energy generation in five provinces has reached 66% of installed capacity and 56% of total generation, placing it among the leading grids globally [2] - The installed capacity of renewable energy has exceeded 257 million kilowatts, a 3.5-fold increase since 2020 [2] - The capacity for electricity transmission from the west to the east has surpassed 58 million kilowatts, with over 80% of the transmitted electricity being clean energy [2] Group 3: Energy Transition and Consumer Benefits - Since the 14th Five-Year Plan, electricity substitution has exceeded 240 billion kilowatt-hours, with electricity accounting for 34% of total energy consumption, 5 percentage points higher than the national average [3] - Over 100,000 charging piles have been installed across urban and rural areas, achieving full coverage in the Guangdong-Hong Kong-Macao Greater Bay Area [3] - The green electricity trading volume is expected to reach 250 billion kilowatt-hours by 2025, surpassing the total of the previous three years [3] Group 4: Collaborative Development of Power Systems - The new power system construction emphasizes collaboration among generation, grid, load, and storage [4] - The installed capacity of pumped storage and new energy storage has exceeded 10 million kilowatts each, with demand-side response levels reaching 7.6% [5] Group 5: Mechanism Innovation and Market Efficiency - New mechanisms have been established for shared storage leasing and auxiliary services, enhancing resource allocation efficiency [6] - The virtual power plant model in Shenzhen exemplifies the integration of electric vehicles as mobile storage, achieving a controllable load of 1.1 million kilowatts [6] Group 6: Technological Innovation and Digital Transformation - The company has implemented advanced technologies for grid management, achieving significant improvements in operational efficiency and safety [7][8] - The digital grid construction is progressing steadily, with the establishment of an AI alliance and the release of national standards [9] - The integration of digital supply chains is driving the development of new business models within the industry [10] Group 7: Commitment to Sustainable Development - The company expresses its commitment to collaborating with various stakeholders to contribute to global sustainable energy development [11]
南方电网新型电力系统发展白皮书正式发布
Zhong Guo Dian Li Bao· 2025-11-01 02:53
Core Insights - The Southern Power Grid Company has officially released a white paper detailing its achievements and innovations in the construction of a new power system during the 14th Five-Year Plan period [1] Group 1: Achievements in Power System Development - The company has built the world's largest AC-DC interconnected power grid, with a cumulative electricity transmission of over 950 billion kilowatt-hours [3] - The reliability of power supply in the Guangdong-Hong Kong-Macao Greater Bay Area has reached world-class levels, with over 220,000 registered market participants, accounting for one-fourth of the national total [3] - The installed capacity of renewable energy has exceeded 257 million kilowatts, a 3.5-fold increase since 2020, establishing a clean and low-carbon supply structure [4] Group 2: Green Energy Supply and Consumption - The electricity substitution volume in the five provinces has surpassed 240 billion kilowatt-hours, with electricity accounting for 34% of total energy consumption, 5 percentage points higher than the national average [5] - Over 100,000 charging piles have been installed across urban and rural areas, achieving full coverage in the Greater Bay Area [5] - The trading volume of green electricity certificates is expected to reach 250 billion kilowatt-hours by 2025, surpassing the total of the previous three years [5] Group 3: Collaborative Development of Power Sources and Storage - The company has implemented a system-wide approach to address supply-demand matching challenges, enhancing the efficiency of green electricity across the entire production, transmission, consumption, and storage chain [6] - The installed capacity of pumped storage and new energy storage has exceeded 15 million kilowatts, with demand-side response levels reaching 7.6% [7] - The establishment of 35 new power system demonstration zones and 36 near-zero carbon demonstration zones has provided replicable models for coordinated development [8] Group 4: Technological Innovations - The company has adopted advanced technologies such as cloud computing, big data, and artificial intelligence to transform the power grid from traditional to intelligent [9] - Over 99.5% of substations are now unmanned, and the coverage of distribution automation has increased to 99.72% [9] - The company has launched the first national pilot base for artificial intelligence applications in the energy sector, promoting the development of a digital power grid [10]
配电网“自驾驶”、“无人机”探伤:看广西上海如何玩转“电力黑科技”
Xin Hua Cai Jing· 2025-06-11 04:55
Group 1 - The article discusses the application of intelligent technologies in the management, scheduling, operation, and maintenance of power systems to address new challenges in the construction of new power systems, aiming for greener, safer, and more efficient electricity supply [1][2] - In Guangxi, the Southern Power Grid's Laibin Power Supply Bureau has developed practical tools for assessing the potential of distributed photovoltaic (PV) integration, enhancing safety management and service levels for PV grid connection [1] - The Guangxi Guilin Power Supply Bureau has successfully tested a new power load management system that completed the entire load control process in just 2 minutes during an emergency scenario, demonstrating its efficiency and reliability [1] Group 2 - The Southern Power Grid's Hezhou Power Supply Bureau has implemented remote capacity testing technology for communication batteries, allowing for automated capacity assessments and real-time monitoring of battery parameters, significantly improving operational efficiency [2] - The Wuzhou Power Supply Bureau has introduced "self-driving" technology in distribution network operations, transitioning from experience-driven to data-driven management, which has greatly enhanced the efficiency and punctuality of maintenance requests [2] - In Shanghai, the State Grid has adopted a "drone + robot" collaborative operation model for X-ray inspections of transmission lines, improving operational efficiency and reducing safety risks associated with manual inspections [3] Group 3 - The introduction of self-healing technology in the distribution network in Shanghai has enabled a dual coverage system, reducing power restoration time from hours to minutes, thus enhancing grid resilience [3]
国网沈阳供电:新型电力系统激活城市新质生产力
Zhong Guo Neng Yuan Wang· 2025-05-30 07:02
Core Insights - Shenyang, once known as the "Republic's Eldest Son" and "Oriental Ruhr," is experiencing a transformation in its industrial landscape, leveraging new energy systems to revitalize traditional industries [1][2] - The integration of digital technologies and smart manufacturing is becoming essential for large factories, with a focus on stable power supply to ensure product quality [3][4] - The shift towards renewable energy is evident, with companies like Northern Heavy Industries Group becoming self-sufficient in clean energy and contributing excess power to the grid [6][7] - Shenyang is also advancing in future industries such as new materials, biomedical, artificial intelligence, and new energy storage, with significant projects underway [8] Group 1: Industrial Transformation - Shenyang's industrial electricity consumption remains significant, with industrial usage accounting for nearly 40% of total electricity in early 2025 [1] - The Shengu Group, a key player in the region, is utilizing a digital factory model supported by a health management platform for equipment [2] - The reliance on digital management systems like MES, EAM, and QMS is critical for maintaining production quality in automated environments [3] Group 2: Energy Management and Sustainability - The State Grid Shenyang Power Supply Company is implementing a 5G smart distribution network that can autonomously detect and respond to power supply issues within 75 seconds [4] - Northern Heavy Industries has installed solar panels that generate over 25 million kilowatt-hours annually, significantly reducing carbon emissions [7] - The collaboration between the power supply company and local government aims to enhance energy efficiency and promote renewable energy integration among large industrial users [6][7] Group 3: Future Industry Development - Shenyang is making strides in smart connected vehicles, with a project that integrates intelligent sensing devices for autonomous driving applications [8] - The construction of a high-tech cable tunnel demonstrates the city's commitment to modernizing its power supply infrastructure, ensuring reliable electricity for emerging industries [8][9] - Innovative maintenance practices, including the use of drones for inspections, are being explored to enhance operational efficiency in power supply management [9]