220 kV气体绝缘金属封闭输电线路温升模拟及试验  

Numerical Simulation and Experimental Test of the Temperature Rise Properties of Gas-Insulated Metal-Enclosed Transmission Line

作　　者：戴振 DAI Zhen(Jiangsu NARI Hengchi Electrical Equipment Co.,Ltd.,Wuxi 214161,China;Wuxi Hengchi CHEM Switchgear Co.,Ltd.,Wuxi 214161,China)

机构地区：[1]江苏南瑞恒驰电气装备有限公司,江苏无锡214161 [2]无锡恒驰中兴开关有限公司,江苏无锡214161

出　　处：《电工技术》2025年第3期110-113,共4页Electric Engineering

摘　　要：气体绝缘金属封闭输电线路在运行过程中持续通流会产生温升,继而影响输电线路安全。影响气体绝缘金属封闭输电线路温升的主要有电流、气压、环境温度等因素,开展气体绝缘金属封闭输电线路温升的研究对其稳定可靠运行具有重大意义。为此利用有限元软件进行理论分析,采用多物理场耦合分析方法,对气体绝缘金属封闭输电线路管道温度场分布及相关影响因素进行研究;结合南通滨江气体绝缘金属封闭输电线路工程样机,通过试验对理论计算部分进行验证。研究对于提升气体绝缘金属封闭输电线路的设计和可靠运行,提供了有效研究方法。During the operation of gas insulated metal enclosed transmission lines,the temperature will rise due to continuous flow.The main factors affecting the temperature rise of gas-insulated metal-enclosed transmission lines are current,air pressure,ambient temperature,etc.It is of great significance to study the temperature rise of gas-insulated metal-enclosed transmission lines for their stable and reliable operation.Therefore,in this paper,finite element software is used for theoretical analysis and multi-field coupling analysis method is used to study the temperature field distribution and related influencing factors of gas insulated metal enclosed transmission lines.Combined with Nantong Binjiang gas insulated metal enclosed transmission line engineering prototype,the theoretical calculation is verified by experiments.This study provides an effective methodology for improving the design and reliable operation of gas-insulated metal enclosed transmission lines.

关 键 词：气体绝缘 输电线路 温升 GIL工程 

分 类 号：TM75[电气工程—电力系统及自动化] TM726[建筑科学—市政工程] TU994