Optimal construction method and demonstration application of multi-in-one station grounding system
2021-12-06
【论文推荐】上海电力大学 蔡言兴等：多合一站接地系统优化建设方法及示范应用
文章导读
多合一站各接地系统的模型与运行机制不同会导致相互影响，在短路或雷击时甚至造成设备损坏和人身伤害。为满足不同的多合一站建设要求，本文提出了两种多合一站接地系统的典型应用模式：横向布置方案和纵向布置方案。首先，介绍了接地网安全性指标和多合一站内二次设备的耐受电压；其次，验证了接地网平面布置方案，并基于上海某35kV多合一站验证了该建设方案下，为满足站内二次设备的安全性，需要敷设整体接地网；最后，考虑到在变电站上层改建可行时，本文提出了多合一站接地网纵向布置方案。从短路和雷击方面进行安全性评估，并提出了相关的优化建设方法。本文以上海某35kV实际变电站为例，基于CDEGS软件仿真和现场试验均验证了所提出的建设方案能满足多合一站的安全运行，该建设思路也能够为今后的多合一站建设提供参考。
Optimal construction method and demonstration application of multi-in-one station grounding system
多合一站接地系统优化建设方法及示范应用
Yanxing Cai1, Hang Ji2, Dawei Wang3, Xing Lei2, Yuzhen Sun1, Shangqing Yuan1
(1.College of Automation Engineering, Shanghai University of Electric Power, Shanghai 200090,
P.R. China 2.State Grid Shanghai Municipal Electric Power Company, Shanghai 200122, P.R. China 3.Global Energy Interconnection Group Co. Ltd, Beijing 100031, P.R. China)
收听作者1分钟语音介绍
Abstract
Keywords
Optimizing construction, Safety assessment, CDEGS, Multi-in-one substations, Lightning protection.
Fig.1 Construction process of plane layout scheme
Fig.2 Plane distribution of multi-in-one substations
Fig.3 Grounding grid and observation line model
Fig.4 Ground potential distribution in multi-in-one substations
Fig.5GPR distributed along observation lines
Fig.6Distribution of touch voltage and step voltage
Fig.7 Longitudinal layout diagram of the multi-in-one substations
Fig.8 Distribution of touch voltage and step voltageDistribution of touch voltage and step voltage
Fig.9Variation of maximum touch voltage
Fig.10Distribution of conductors in grounding grids
Fig.11Longitudinal layout simulation model
Fig.12Number of conductor segments in the data center
Fig.13Maximum GPR of conductor segments
本文引文信息
Cai Y, Ji H, Wang D, Lei X, Sun Y, Yuan S (2021) Optimal construction method and demonstration application of multi-in-one station grounding system. Global Energy Interconnection, 4(5): 520-530
蔡言兴，纪航，王大伟，雷兴，孙宇贞，袁尚青 (2021) 多合一站接地系统优化建设方法及示范应用. 全球能源互联网（英文）, 4(5): 520-530
Biographies
Yanxing Cai
Yanxing Cai received bachelor’s degree at Shanghai University of Electric Power, Shanghai, China in 2019 and he is now a graduate student at Shanghai University of Electric Power. His research interests include integrated energy and detection and control of electrical system.
Hang Ji
Hang Ji received B.S. degree at North China Electric Power University in 2006. He is working in State Grid Shanghai Municipal Electric Power Company. His research interests include power system automation, equipment management.
Xing Lei
Xing Lei received M.S. degree at North China Electric Power University in 2006, and received Ph.D. degree at Shandong University in 2012. He is working in State Grid Shanghai Municipal Electric Power Company. His research interests include power system automation, equipment maintenance.
Yuzhen Sun
Yuzhen Sun received M.E. degree at Shanghai Jiao Tong University, in 1999. And she is working in Shanghai University of Electric Power from 1999. Her Research interests include smart power generation technology, advanced process control, information security of power system, etc.
Shuai Liu
Shuai Liu received his B.S degree from the School of Electrical Engineering, Shandong University, China in 2020. He is currently pursuing an M.S degree in electrical engineering at Shandong University. His research interests include power system economic operation.
编辑：王彦博
审核：王 伟
郑重声明
根据国家版权局相关规定，纸媒、网站、微博、微信公众号转载、摘编本网站作品，需包含本网站名称、二维码等关键信息，并在文首注明《全球能源互联网》原创。 个人请按本网站原文转发、分享。
