铝包殷钢芯耐热铝合金绞线的应用探讨  

Research on Application of Aluminum Clad Invar Steel Core Thermal-resistant Aluminum Alloy Conductor

作　　者：杨坤池[1] 杨书垚 Yang Kunchi;Yang Shuyao(Yunnan Power Grid Plan Research Construction Center,Kunming 650011,Yunnan,China;Shandong Normal University,Jinan 250014,Shandong,China)

机构地区：[1]云南电网公司电网规划建设研究中心,云南昆明650011 [2]山东师范大学,山东济南250014

出　　处：《云南电力技术》2024年第4期74-77,共4页Yunnan Electric Power

摘　　要：铝包殷钢芯耐热铝合金绞线在云南电网中的应用较多,在设计评审工程中发现部分设计人员对其特性理解不足,存在弧垂计算错误及工程量估算偏差等问题。本文利用斜抛物线公式结合拐点温度计算方法,搭建了适用于铝包殷钢芯导线的张力弧垂计算模型,编制了计算程序;理论分析了铝包殷钢芯绞线的弧垂特性、拐点温度随档距变化特点等,分析了该类导线的应用场景,并提出了相应的意见和建议。The application of Aluminum Clad Invar Steel Core Thermal-resistant Aluminum Alloy Conductor is growing in Yunnan power Grid, in the process of design review, we find the partial designers are existing problems such as incomprehension of the mechanical characteristics、miscalculation of the sag characteristics、deviation of the estimation of approximate quantities.In this paper,Tension sag calculation model suitable for aluminum clad invar steel core conductor is established by using the oblique parabola formula and the inflection point temperature calculation method, theoretically analyses the sag characteristics, inflection point temperature variation characteristics of aluminum clad invar steel core conductor,analyses the application scenarios of this kind of conductor,and provided suggestions and comments.

关 键 词：殷钢芯 耐热导线 拐点温度 

分 类 号：TM74[电气工程—电力系统及自动化]