Workflow
电网升级改造
icon
Search documents
国网陇南供电公司:奋战保供电 主变焕新颜
9月20日,秋雨绵绵的陇南大地,110千伏同谷变电站内却是一派热火朝天的施工景象。国网陇南供电公司变电运检中心各专业班组正 在冒雨进行1号主变压器附件的安装调试工作,这场与时间赛跑的供电保障攻坚战已进入关键节点冲刺阶段。 图为9月20日,国网陇南供电公司变电检修班检修人员王旭东正在110千伏同谷变工作现场维护变压器热油循环装置。 据悉,110千伏同谷变电站于2003年建成投运,肩负着陇南市成县片区的核心电能中转、区域电网稳定供电的重任。近年来,周边地区 农业、工业发展迅猛,加之两台运行22年的主变压器内部老化、负荷承载能力不足等问题加剧,亟待升级改造。 为进一步优化电网电力配置、夯实电网运行稳定性、满足用户侧多样化需求,该公司迅速制定并积极推进检修计划,对1、2号主变压 器及各电压等级设备进行全面升级改造。本次技改还将会把原有户外110千伏敞开式电气设备全面更换为HGIS组合式电气设备,极大地减 少沙尘、潮湿、盐雾等环境因素对电气设备的侵蚀,从根本上消除多项安全隐患。 结合本次主变更换工作风险等级高、作业难点多的特点,该中心严格落实"三个提升"要求,在前期准备阶段,对涉及停电围栏布置、 工器具及特种车辆到场到 ...
安徽濉溪:城中村平稳渡过“烤验”
Core Viewpoint - The State Grid Suixi County Power Supply Company is actively upgrading and relocating power facilities in the core area of the ancient city Shiban Street to ensure stable electricity supply for residents during high-temperature periods and to support the development of tourism in the area [1][2]. Group 1: Infrastructure Upgrades - The company has relocated two public transformers and one dedicated transformer, constructed four cable wells, and laid 940 meters of cable to enhance the power supply infrastructure [2]. - The upgrades are part of a broader initiative to improve the power grid layout in urban villages, focusing on high and low voltage cable installation and transformer relocation [2]. Group 2: Operational Strategies - The company employs "live-line work" to minimize power outages during high temperatures, ensuring that residents' daily lives are less affected [2]. - Regular inspections are conducted using infrared thermometers to monitor equipment temperatures, and quarterly ground resistance tests are performed to prevent faults caused by high temperatures or rain [4]. Group 3: Community Engagement - The company has issued energy-saving advocacy letters to residents, encouraging them to conserve electricity and use it during off-peak hours [4]. - The staff actively patrols the streets to ensure the reliability of power supply, demonstrating commitment to maintaining comfort and safety in the historical district during the summer [4].
国网吉安县供电公司:烈日锻造“清凉线”,电网升级战夏峰
Group 1 - The article highlights the upgrade and transformation of the 10 kV Tongping Agricultural II Line in She Shang Village, aimed at enhancing the power supply reliability during the summer peak demand [1][2] - The project involves the installation of 135 new 12-meter high electric poles and a total of 7.299 kilometers of new lines, which will significantly improve the safety and efficiency of the power grid [2] - The upgrade will optimize the path of the power line, making maintenance and fault detection easier, thus ensuring a stable power supply for local residents during the hot summer months [2]
酷热天气导致美国电网不堪重负,部分地区批发电价飙升
Huan Qiu Shi Bao· 2025-06-25 22:48
Core Insights - The aging U.S. power grid is under significant pressure due to extreme heat, leading to soaring wholesale electricity prices in the Eastern U.S. [1][3] - On a recent Monday, Boston's real-time wholesale electricity price surged from under $50 per megawatt-hour to over $400, while New York City saw prices reach $600 per megawatt-hour [3] - The U.S. Department of Energy issued an emergency order for specific generators to operate at maximum output to mitigate the risk of blackouts in the Southeast due to high temperatures [3] Industry Challenges - The North American Electric Reliability Corporation warned that up to 89 million Americans could face electricity supply shortages this summer due to the shutdown of aging power plants and increased demand from extreme heat [3] - The American Society of Civil Engineers rated the overall infrastructure of the U.S. as a C, with energy infrastructure receiving a D+, indicating that most facilities are below standard and nearing the end of their lifespan [3] Future Demand Projections - The U.S. power grid faces challenges from projected significant increases in electricity demand, with peak demand expected to rise by 15% in summer and 18% in winter by 2034 [4] - The rapid growth of electric vehicles and AI data centers is anticipated to increase electricity demand from 17 gigawatts in 2022 to 35 gigawatts by 2030 [4] - The New York Times highlighted that the current U.S. power grid is "strained" due to insufficient transmission line construction, which hampers distribution during peak usage [4]
国网漳浦县供电公司:电网升级改造 助“荔”发展
Core Viewpoint - The upgrade of the power grid in Zhangpu County's Jiuzhen Town is essential for supporting the local agricultural development, particularly in the context of increasing electricity demand due to the peak agricultural season [1][3]. Group 1: Agricultural Context - Jiuzhen Town is a core area for specialty agriculture in Zhangpu County, featuring extensive lychee orchards and rice fields [1]. - The current agricultural season is critical, with irrigation and pesticide application activities underway, highlighting the urgent need for reliable electricity supply [1]. Group 2: Power Grid Upgrade - The original power line, with a diameter of 95 square millimeters, was insufficient to meet the growing demands of irrigation, processing, and cold chain logistics [1]. - The power company replaced the existing 95 square millimeter insulated wire with a 180 square millimeter insulated wire over a distance of 700 meters, enhancing the reliability of the power supply [3]. - The upgrade involved the installation of three new knife switches and was completed in seven hours, ensuring uninterrupted power for over 400 households during the construction [3]. Group 3: Impact on Local Agriculture - The upgraded power supply is crucial for the lychee preservation process, allowing for immediate cooling after harvest, which is vital for maintaining quality [3]. - Local farmers expressed confidence in taking larger orders due to the improved reliability of the cold chain logistics following the power grid upgrade [3]. - The power company plans to continue optimizing the power grid layout to support the electricity needs of specialty agriculture, contributing to rural revitalization efforts [3].
中银国际:电网升级改造拉动需求 产业链有望受益
智通财经网· 2025-05-08 07:31
Core Viewpoint - The global power system is facing new challenges, leading to an increased demand for grid expansion and upgrades, which is expected to directly benefit the power equipment industry [1] Group 1: Main Grid Developments - The demand for ultra-high voltage (UHV) construction is increasing due to the growth of inter-provincial electricity flow and the pressure of renewable energy consumption. As of December 2024, China has built and put into operation 41 UHV transmission lines, including 20 AC lines and 21 DC lines [2] - During the 14th Five-Year Plan period, China is expected to start construction on "three AC and nine DC" UHV lines, with over 20 lines anticipated to be operational in the 15th Five-Year Plan period, which will boost demand for related equipment [2] - Flexible DC technology is expected to become mainstream due to its advantages in large-scale renewable energy transmission, especially as the prices of core components like IGBT decrease. Investment in this area is projected to reach 380 billion yuan from 2021 to 2025 [2] Group 2: Distribution Network Developments - Both domestic and international plans for distribution network upgrades are expected to increase demand for transformers. China emphasizes high-quality development in distribution networks, while the EU plans to invest 584 billion euros for grid modernization [3] - China's transformer production accounts for 35% of the global market, and with overseas production facing constraints, there is an opportunity for Chinese companies to benefit from rising global demand [3] Group 3: Investment Recommendations - The emergence of new electricity consumption scenarios, represented by computing power, is driving greater electricity demand and necessitating grid upgrades. The main grid sector is expected to benefit from the acceleration of UHV construction and the growing number of flexible DC projects [4] - The distribution network sector is also poised for growth due to ongoing domestic upgrades and strong overseas demand for transformers. Companies such as Huaming Equipment, Haixing Electric Power, and others are recommended for investment [4]
电力设备系列报告之一:电网升级改造拉动需求,产业链有望受益
Investment Rating - The report maintains an "Outperform" rating for the power equipment industry [1]. Core Insights - The demand for power grid upgrades is driven by the increasing proportion of global renewable energy installations and the emergence of new electricity consumption scenarios, which directly benefits the power equipment sector [1][3]. - The construction of ultra-high voltage (UHV) transmission lines is accelerating due to the growing need for cross-regional power transmission and renewable energy delivery, with flexible direct current technology expected to increase its penetration rate [1][3]. - Domestic and international initiatives for power grid renovation are expected to boost transformer demand, benefiting the entire industry chain [1][3]. Summary by Sections New Power Consumption Scenarios - The emergence of new power consumption scenarios, represented by computing power, is creating greater electricity demand and necessitating upgrades to the power grid [3][33]. - The growth in renewable energy generation, particularly solar and wind, is placing additional demands on the grid to accommodate fluctuating supply [25][21]. Main Power Grid - The acceleration of UHV construction is expected to enhance the capacity for renewable energy consumption [44]. - As of December 2024, China has built and put into operation 41 UHV transmission lines, including 20 AC and 21 DC lines, with plans for more in the upcoming years [50]. - The investment scale for UHV projects is projected to reach 380 billion yuan from 2021 to 2025, benefiting core component manufacturers [3][30]. Distribution Network - The domestic push for distribution network upgrades, coupled with strong overseas demand for grid modernization, is anticipated to increase transformer requirements [3][31]. - China's transformer production accounts for 35% of the global market, with significant export potential due to supply constraints in overseas markets [3][32]. Investment Recommendations - The report suggests focusing on companies that will benefit from the high demand in the UHV sector and those with international expansion potential in the transformer segment [3]. - Recommended companies include Huaming Equipment and Haixing Electric, with additional attention to China Western Power, Guodian NARI, Siyuan Electric, Pinggao Electric, Mingyang Electric, Sifang Co., and Jiangsu Huachen [3].
英国主权财富基金承诺,将向西班牙毕尔巴鄂的私营跨国电气公司Iberdrola提供6亿英镑资金,用于升级改造(不列颠的)电网。
news flash· 2025-05-07 23:05
Group 1 - The UK sovereign wealth fund has committed to providing £600 million to Iberdrola, a private multinational electrical company based in Bilbao, Spain, for the upgrade and modernization of the electricity grid [1]