特高压输电线路下建筑物邻近区域电场的数值仿真  

Electric Field Numerical Simulation Nearby Building under UHV Transmission Lines

作　　者：裴春明[1] 方福歆 王璇[2] 孔海洋[2] 钱航[2] 关焕梅[3] 

机构地区：[1]中国电力科学研究院武汉分院,湖北武汉430074 [2]武汉大学电气工程学院,湖北武汉430072 [3]武汉大学计算机学院,湖北武汉430072

出　　处：《湖北电力》2016年第2期33-37,57,共6页Hubei Electric Power

摘　　要：本文主要探讨电磁环境数值仿真方面仍未透彻分析的两个问题:简化后的直导线模型与考虑弧垂的线路模型相比,是否对特高压输电线路下方建筑物邻近区域的电场仿真结果有明显影响;建筑物棱角处以倒角的方式钝化,随着倒角深度的不断增加,是否可以有效改善建筑物棱角附近区域的场强分布。分析结果表明:简化直导线模型与考虑弧垂的实际线路模型相比,非畸变区域的场强值均偏大,楼顶棱边及阳台等畸变区域的场强值均偏小;通过倒角的方式钝化建筑物棱边不能有效改善建筑物特定区域的电场环境。This paper mainly discusses two numerical simulation questions which are still not analyzed thoroughly whether the straight line model compared with the model consider line sag has obvious effects on electric field simulation results on the focus area or not; when we chamfer the edges of the buildings, whether can we effectively improve the field intensity distribution near the edges of buildings. The results show that the straight line model compared with the model considerline sag will let the field intensity of non-distortion area larger and distortion area smaller, andthrough the way of chamfering can＇t effectively improve building electric field environment in a particular area.

关 键 词：特高压 输电线 有限元法 建筑物 悬链线方程 

分 类 号：TM152[电气工程—电工理论与新技术]