Core Viewpoint - The State Grid Jinchang Power Supply Company has successfully completed the maintenance and upgrade of clock synchronization devices at 19 substations, enhancing the reliability and precision of the power supply system through the implementation of a dual BeiDou satellite timing system [1][2]. Group 1: Technology and Equipment - The upgraded SHTS-2000 clock synchronization device is a domestically developed, secure, and independent dual BeiDou timing system, providing precise timing signals for various power station equipment [1]. - The new BeiDou timing service offers a precision better than 20 nanoseconds, ensuring strict time synchronization requirements for relay protection and automation devices [2]. - The dual BeiDou configuration creates a redundant architecture that mitigates risks from signal obstruction, equipment failure, or electromagnetic interference [2]. Group 2: Implementation and Impact - The maintenance and upgrade work has been completed for 4 330 kV, 11 110 kV, and 4 35 kV substations, fully applying the dual BeiDou timing system in the Jinchang region's power grid [2]. - The company aims to leverage the technological advantages of the BeiDou timing system to explore new boundaries in power time synchronization technology and promote further upgrades and optimizations of substation equipment [2]. - This initiative contributes to building a more intelligent, stable, and secure power network, supporting the high-quality development of the regional economy and society [2].

Core Insights - The charging volume in Tianjin's expressways reached 382,300 kWh with nearly 19,000 charging sessions from May 1 to May 4, marking a year-on-year increase of 23.57% in total charging volume and 12.32% in charging sessions [1] Group 1 - The State Grid Electric Vehicle Service (Tianjin) Company monitored 147 charging hotspots in the city during the "May Day" holiday using a smart vehicle networking platform [1] - The company upgraded the smart monitoring system at key charging stations, integrating local video surveillance with the smart vehicle networking platform, enhancing safety and operational efficiency [1] - To address the peak travel demand during the holiday, the company completed special inspections and real vehicle tests at 315 key charging stations, modified and increased capacity at 111 charging stations, and deployed 20 emergency charging facilities on high-traffic expressways [1] Group 2 - The charging power at the Tangbo Hot Spring Hotel charging station increased by 160 kW, nearly tripling the efficiency of the original equipment after the installation of 8 high-power DC charging piles [1] - The company released a "Charging Guide for Electric Vehicle Travel during the May Day Holiday" to assist drivers in planning their trips and checking real-time station queue conditions using the "e-Charging" app [2]

Group 1 - The Nanjing power supply department ensured the smooth operation of cultural and tourism activities during the May Day holiday, providing a variety of events for citizens and tourists [1] - The 13th Mido Music Festival in Lishui District featured a temporary "energy supply station" set up by the State Grid Nanjing Power Supply Company, offering free fast charging services for attendees [1] - The power supply department conducted thorough inspections of power lines and equipment to ensure the safety and stability of power supply during the music festival [1] Group 2 - The popular rural tourism spot, Gaochun Old Street, attracted many visitors with various folk performances during the holiday [2] - The Gaochun power supply department upgraded eight DC fast charging piles at the scenic area, adding remote monitoring capabilities for real-time status updates [2] - The State Grid Nanjing Power Supply Company has renovated a total of 625 charging piles across highways and scenic areas, and deployed three mobile energy storage vehicles to enhance emergency charging services [2]

Group 1 - The National Grid Corporation has mobilized 25,000 emergency repair teams, 202,800 repair personnel, and 56,900 repair vehicles to ensure reliable power supply during the "May Day" holiday [1] - The company has implemented a three-dimensional inspection model using drones and infrared temperature measurement to ensure safe power supply in scenic areas during the holiday [2] - In Chongqing, the company established a holographic digital model for power supply lines covering approximately 950 square kilometers to ensure stable power supply for popular tourist attractions [3] Group 2 - The National Grid Corporation has enhanced power supply management for transportation facilities, ensuring reliable electricity for airports, high-speed rail stations, and service areas during the holiday [5] - In Fujian, the company expanded charging stations along six highways, adding 15 new charging stations and 58 charging piles to meet increased demand during the holiday [5] - The company has established a 24/7 duty system to facilitate cross-province electric vehicle charging, ensuring smooth travel for customers [6] Group 3 - During the "May Day" holiday, the company continued to advance key power grid projects, ensuring reliable power supply and demonstrating commitment to duty [7] - At the Hunan Hengyang ±800 kV converter station, over 200 personnel worked diligently to ensure precise installation of critical equipment [7] - The construction of the first million-kilowatt pumped storage power station in Ningxia is progressing with over 1,200 personnel actively involved in various construction tasks [8]

Core Insights - The article highlights the transformation of the power transmission inspection process in Shanghai through the integration of innovative technologies, particularly drones, which have significantly improved operational efficiency and safety [1][2]. Group 1: Technological Advancements - The introduction of drone technology in 2015 has allowed for various applications in power line inspections, including fire-spraying, laser ranging, and autonomous patrols, leading to zero faults during major power supply protection tasks [2]. - The establishment of the Shanghai Eagle Eye Drone Intelligent Inspection Center has enabled a combination of drone patrols and manual inspections, enhancing the overall reliability of the power grid [2]. Group 2: Operational Efficiency - The digital operation and maintenance monitoring center has been developed to integrate various digital devices, optimizing system processes and achieving online monitoring of all 500 kV and most 220 kV transmission lines in Shanghai [2]. - The monitoring center has successfully provided early warnings and addressed over 10,000 defect hazards in the past three years, resulting in a continuous decline in power line tripping incidents and generating an economic benefit of approximately 340 million yuan [2]. Group 3: Future Innovations - Future innovation plans include the development of flexible materials, power meteorological forecasting, and power data analysis, reflecting a strong commitment to ongoing technological advancement in the industry [3].

Group 1 - The article highlights the extensive preparations made by the State Grid to ensure reliable electricity supply during the "May Day" holiday, with 25,000 emergency repair teams and over 202,800 personnel deployed [1] - The State Grid has implemented safety management measures for scenic area electricity usage, including comprehensive inspections of substations and power lines [1] - In Hubei, the State Grid utilized a 3D modeling platform to identify and locate potential hazards in power supply lines for nearly 200 popular tourist sites, establishing dynamic protection zones [1] Group 2 - The Fuzhou Power Supply Company introduced remote-controlled charging robots at highway service areas, allowing electric vehicle owners to charge their cars conveniently [2] - The Shanghai and Zhejiang power companies are collaborating to enhance data connectivity at charging stations, providing real-time charging information for electric vehicle owners [2] - The Hunan power project team is rigorously overseeing the installation of key components at the ±800 kV converter station, ensuring precision and quality in the construction process [2]

嘉峪关烤肉在河西走廊，丝绸之路上远近闻名，历史悠久，最远可追溯到魏晋时期（距今约1700多年）。从当地"世界最 大的地下画廊"魏晋六号墓的出土的画砖上，绘有当时用三叉戟串着肉在火上烧烤的场景，生动的展现了古人烧烤的情形。"五 一"假期来临，嘉峪关市一年一次的烧烤节如期举行，当地各大市场和烧烤店烤肉飘香，游人如织，流连忘返与景区和烤肉店 之间。国网嘉峪关供电公司充分利用当地风能和太阳能丰富的特点，积极调度绿色能源加入烧烤盛宴，各烤肉店全部"以电代 煤"升级烤肉"非遗传承"，既保护了环境生态，也促进了的烧烤品质，共同打造旅游和美食共享的丝路文化旅游名城。 在本届烧烤美食节各个保电阶段，该公司制订了缜密细致的保电方案，全力输送当地丰富的风电和太阳能发电到全市的各 大市场和旅游文化场馆，并积极抽调党员技术骨干组成党员服务队，对保电设备和线路进行全面消缺，加强设备特巡，积极联 系公安机关，发动群众护线员和广大员工日夜巡视保电线路安全，全力确保五一期间供电万无一失。 4月30日，嘉峪关市的大唐美食街和各大市场烧烤节活动现场摊位林立，人流如织，广大市民和游客尽情享受集美食、文 化娱乐为一体的味蕾盛宴和文旅大餐。此时，在这一 ...

Core Points - The successful completion of the 110 kV Wudun substation's 111 Wufei line enhances the power supply for the Dunhuang Digital Exhibition Center project (Phase II), facilitating the cultural display of Dunhuang [1][3] - The Dunhuang Digital Center (Phase II) aims to improve visitor reception capacity and enrich the content available for tourists, addressing the increasing demand due to the ongoing "Dunhuang tourism boom" [3] - The project has a total power capacity of 5860 kVA, supported by dual power sources from the 111 Wufei line and the 114 Wuyou line, featuring highly automated and intelligent power supply facilities [3] - The power supply company has established a "1+N" service team to provide comprehensive technical guidance and support throughout the project phases, ensuring reliable power supply for the cultural tourism industry [3][5] - The Dunhuang Research Institute emphasizes the importance of stable and reliable power supply for digital preservation of cultural relics and large-scale digital exhibitions, which is crucial for the transmission and promotion of Dunhuang culture [5] - The power supply company will continue to monitor the electricity needs of the Dunhuang Research Institute and optimize power supply services to enhance the protection and transmission of cultural heritage [5]

"我们供电所组织了4人巡检小组，对基地内配电线路进行全面检查，重点关注老旧线路、漏电保护装置等薄弱环节，消除 安全隐患，全力保障节日期间用电安全可靠。"国网白银供电公司水泉供电所工作人员段迁脉说。 "五一假期将至，前来赏花的游客会越来越多，有你们专业的供电服务，让我们用电很踏实。"白银市国家文冠果现代农业 全产业链标准化示范基地负责人张春鹏对工作人员说道。 在白银市国家文冠果现代农业全产业链标准化示范基地，千亩花海缀满枝头，文冠果雪白花瓣晕染着嫩黄与淡紫，微风拂 过，花浪轻摇，暗香浮动。4月30日，国网白银供电公司平川区公司水泉供电所员工段迁脉和同事早早来到种植基地，对其周 边配套电力设施设备进行特巡，确保五一节日期间线路安全稳定运行。 "南有菩提树，北有文冠果"，文冠果是中国特有的木本油料树种，兼具生态、经济、药用等多重价值，堪称植物界的"多边 形战士"。近年来，白银市将文冠果列为特色乡村振兴产业，全力创建国家级文冠果产业示范园区。平川区依托国家储备林建 设，按照现代农业全产业链建设目标和一、二、三产业融合发展思路打造省列重点项目，全力激活文冠果产业新动能。 五一将至，文冠果花正悄然盛放！白银市平川区"以花 ...

Core Viewpoint - The article highlights the growing trend of camping sites in Beijing's Mentougou District as a new business model for rural revitalization, particularly in the context of the upcoming May Day holiday [1]. Group 1: Camping Site Development - The Qixi Mountain Forest Camping Site in Dingjiatan Village has become a popular destination, recognized as the first camping base for Haidilao in Beijing [1]. - The camping site has gained significant popularity, with reservations already made for two months ahead, indicating a strong demand for outdoor recreational activities [5]. Group 2: Electricity Safety Measures - The State Grid Beijing Mentougou Power Supply Company has implemented an "Electricity Butler" service to provide tailored electrical guidance to tourism clients, ensuring safe electricity usage at camping sites [3]. - Employees conducted thorough inspections of the camping site's electrical facilities, including checking distribution boxes and leakage protection devices, to ensure safety during the holiday [3][5]. - The company has established a hidden danger ledger and implemented a "numbered" rectification system, increasing inspection frequency during holidays to address potential safety issues [5].