表1　JL/G1A-150/20-24/7絞線參數(shù)

(a)軸測(cè)圖　　　　　　　　　　　　　　　　　　　　　(b)主視圖圖1　建立完成的絞線實(shí)體模型

圖2　軸對(duì)稱初始模型的非等高懸點(diǎn)輸電線幾何關(guān)系圖及找形結(jié)果

節(jié)點(diǎn)號(hào)水平方向坐標(biāo)/m找形得到的弧垂/m弧垂解析解/m弧垂差/m61.984-0.228-0.2280.00016631.764-3.436-3.4340.001812661.584-6.258-6.2540.003418691.438-8.690-8.6850.0047246121.321-10.732-10.7260.0058306151.228-12.383-12.3760.0069366181.155-13.642-13.6340.0076426211.095-14.508-14.5000.0082486241.044-14.982-14.9730.0087546270.996-15.062-15.0530.00901205300.948-14.748-14.7390.00911145330.918-14.041-14.0320.00901085360.877-12.940-12.9310.00871025390.818-11.445-11.4370.0082965420.737-9.559-9.5520.0075905450.629-7.282-7.2750.0068845480.489-4.614-4.6080.0058785510.311-1.558-1.5530.0047725540.0911.8851.8890.0033665569.8245.7145.7160.0018605599.5069.9279.9270.0000

圖3　非軸對(duì)稱初始模型的非等高懸點(diǎn)輸電線找形結(jié)果

表3　實(shí)例導(dǎo)線參數(shù)

表4　覆冰的3種工況

圖4　不同情況下輸電線上的張拉力及云圖