220 kV高压大截面电缆蛇形敷设优化分析  

Analysis on Optimizing the Snake Laying of 220 kV High-voltage Large-section Cables

作　　者：李烨 杨悦 LI Ye;YANG Yue(Wuxi Power Supply Company,Wuxi 214000)

机构地区：[1]国网江苏省电力有限公司无锡供电分公司,江苏无锡214000

出　　处：《电力安全技术》2024年第10期46-51,共6页Electric Safety Technology

摘　　要：优化电缆线路蛇形敷设布置,减少电缆热膨胀影响,对提升通道利用率和电缆运行质量具有重要意义。为此,针对220 kV高压大截面电缆蛇形敷设优化展开研究,首先介绍了电缆热膨胀的计算原理,得出蛇形敷设的必要性;其次,对比分析了蛇形敷设的布置方式、节距选取、弧幅选取对电缆热膨胀的影响;最后,结合蛇形敷设参量最优化推导及分析,总结了蛇形敷设的优化策略。It is of great significance for improving channel utilization and running quality of cables to optimize the snake laying allocation of cable lines and mitigate the thermal expansion effects of cables.Therefore,a study is conducted on optimizing the snake laying of 220 kV high-voltage large-section cables.Firstly,the principle of calculating the thermal expansion of cables is introduced,based on which the necessity of snake laying is obtained.Secondly,the effects of snake laying method,node distance selection and snake arc selection on the thermal expansion of cables are analyzed.Finally,a snake laying optimization strategy is obtained based on the optimum deduction and analysis of snake laying parameters.

关 键 词：高压电缆 蛇形敷设 热膨胀 蛇形节距 蛇形弧幅 

分 类 号：TM757[电气工程—电力系统及自动化]