广东电力Issue(11)：97-102,6.DOI:10.3969/j.issn.1007-290X.2015.11.020
架空导线温度应力场耦合数值分析
Numerical Analysis on Temperature and Stress Filed Coupling of Overhead Conductors
摘要
Abstract
The paper precisely analyzes the significance of temperature and stress field coupling of overhead conductors for strength safety and sag safety clearance of conductors during operation.Therefore,the paper presents a new numerical value calculation method that couples micro-level temperature field with stress field of overhead conductors:first,finite element method is used to solve micro-level temperature field in consideration of interspaces;then,internal and external force bal-ance as well as deformation coordination are adopted to solve layered stress of the conductors,which considers transversal deformation due to inter-layer pressure,Poisson effect and temperature change.The paper also takes aluminum-clad steel stranded conductor JL/LB1A-300/50 as an example to prove the method is correct and it investigates impact of transversal deformation on calculation and the sensitivity.关键词
架空导线/细观温度场/分层应力/温度场/应力场耦合/横向变形/敏感性分析Key words
overhead conductor/micro-level temperature field/layered stress/temperature field/stress field coupling/trans-versal deformation/sensitivity analysis分类
信息技术与安全科学引用本文复制引用
肖凯,刘永斗,李鹏云,古泉,陈志为..架空导线温度应力场耦合数值分析[J].广东电力,2015,(11):97-102,6.基金项目
中国南方电网有限责任公司科技项目(K-GD2014-0596002-001)。 （K-GD2014-0596002-001）
