架空电力线路导线应力弧垂计算

1、导导地地线线架架设设应应力力、观观测测弧弧垂垂计计算算表表耐张段：线路名称： 110kV东密线导线型号： LGJ-185/30避雷线型号： GJ-50观测档：导导线线计计算算参参数数m11.6E8000L0123待待求求应应力力(kg/mm(kg/mm2 2) )观观测测弧弧垂垂f(m)f(m)s277.75 g0.003472 tm-50.000019gm0.006497 L123实实际际气气温温减减15后后按按对对应应本本列列温温度度查查观观测测弧弧垂垂值值-10-10.7779654160.78622404-3.59265513730.39311202123.135139911.2576

2、0310.583219991-5-10.0179654160.78622404-3.33932180430.39311202104.867135110.562779960.6215843940-9.25796541160.78622404-3.0859884730.3931120289.170853329.8806067310.6644995965-8.49796541160.78622404-2.83265513730.3931120275.851194129.2139639680.71257704110-7.73796541160.78622404-2.57932180430.393112

3、0264.713057068.5663204740.76645033315-6.97796541160.78622404-2.3259884730.3931120255.56134177.941737080.82672834920-6.21796541160.78622404-2.07265513730.3931120248.200947597.3447703140.89392300925-5.45796541160.78622404-1.81932180430.3931120242.43677436.7802255020.96835410330-4.69796541160.78622404-

4、1.5659884730.3931120238.073721366.2527328071.05004633735-3.93796541160.78622404-1.31265513730.3931120234.916688355.7661841351378622404-1.05932180430.3931120232.770574825.323158451.233414192避避雷雷线线计计算算参参数数m34E18500 L0123待待求求应应力力(kg/mm(kg/mm2 2) )观观测测弧弧垂垂f(m)f(m)s49.46 g0.0085

5、67 tm-50.0000115 gm0.019920 L123实实际际气气温温减减10后后按按对对应应本本列列温温度度查查观观测测弧弧垂垂值值-10-31.06088586855.8140529-10.35362862427.90702642647.67583631.901795190.507819607-5-29.99713586855.8140529-9.999045288427.90702642427.33425430.893813570.5243883880-28.93338586855.8140529-9.644461955427.90702642222.07875229.8912

6、23770.5419770445-27.86963586855.8140529-9.289878622427.90702642031.37435328.894682360.56066915410-26.80588586855.8140529-8.935295288427.90702641854.68607627.904935640.58055525815-25.74213586855.8140529-8.580711955427.90702641691.47894626.922831470.60173303520-24.67838586855.8140529-8.226128622427.90

7、702641541.21798225.949331740.62430729525-23.61463586855.8140529-7.871545288427.90702641403.36820724.985525340.64838969330-22.55088586855.8140529-7.516961955427.90702641277.39464324.032640920.6740980835-21.48713586855.8140529-7.162378622427.90702641162.7623123.092058540.70155534540-20.42338586855.814

8、0529-6.807795288427.90702641058.93623122.165318870.730887618导导线线比比载载计计算算程程序序避避雷雷线线比比载载计计算算程程序序线路名称：110kV东密线导线型号： LGJ-185/30避雷线型号：GJ-50一一、自自重重比比载载一一、自自重重比比载载每每公公里里重重q1964.3 总总截截面面S S277.75每公里重q1423.7 总总截截面面S S49.46自重比载g10.003471827自重比载g10.008566518二二、冰冰重重比比载载二二、冰冰重重比比载载复冰厚度b10 线线直直径径d18.88复冰厚度b10线线直直

9、径径d9冰重比载g20.002939917冰重比载g20.010861542三三、垂垂直直总总比比载载三三、垂垂直直总总比比载载g30.006411745g30.019428061四四、风风压压比比载载四四、风风压压比比载载f0.851C1.21.1f0.851C1.21.1最最大大v30复冰V10最最大大v30复冰V10无无冰冰风风压压比比载载：无无冰冰风风压压比比载载：g40.00357505g40.010440255复复冰冰风风压压比比载载：复复冰冰风风压压比比载载：g50.001049865g50.004397493五五、综综合合总总比比载载五五、综综合合总总比比载载无无冰冰时时总总比

10、比载载：无无冰冰时时总总比比载载：g60.004983429g60.013504968复复冰冰总总比比载载：复复冰冰总总比比载载：g70.006497129g70.019919525风风向向与与导导线线夹夹角角=45时时风风向向与与避避雷雷线线夹夹角角=45时时g40.001787525g40.005220127g50.000524932g50.002198746g60.003904975g60.010031698g70.006433197g70.019552085导线下料长度计算（L）单位：mLL1L2bfk198.532392000.80.22.4290.5L -导线的下料长度L1-两对应

11、挂线环里口之间的距离L2-从U型挂环里口到绝缘子前碗头挂板孔眼中的距离b -导线头到耐张线夹中心孔的距离实测值f -设计驰度值计算式：L=L1-(2L2+2b)+(8f/3L1)+k注：实际下料时应加上尾线长度校正系数档距(米)1015202530K2010543导线长度 L+8f2/3L导线总长档距L弛度F导线变化50.01333333500.5-3导线减少弛度变化1031021.36354040以上210.5弛度变化-7.016648189导导地地线线弛弛度度调调整整代表档距（规律档距）：耐张段中各档的立方和/各档和的开根孤立档：L=-4.67连续档：L=-22.18导线最低点应力0=69

12、.99导线挂点应力b=152.5736492F F2.429FxFx2.5g g34LL1200L L200E EL Ldbdb178式中：L-调整线长，mmF实测弧垂, mFx标准弧垂, mg架空线比载, N/mm2mL耐张段中计算总长度, mL档距, mE架空线的弹性系数, N/mm2Ldb耐张段的规律档距,m观测档悬挂点高差角（10%时不考虑）说明：1、计算出的L为正值，则应减短线长，若为负值应增加线长。2、若不考虑架空线的弹性系数影响，以上公式省去带E的部分，即后半公式为0。代表档距（规律档距）：耐张段中各档的立方和/各档和的开根钢钢芯芯铝铝绞绞线线的的结结构构与与技技术术指指标标标称

13、截面（mm2）铝/钢根数/直径（mm)计算截面（mm2)外径(mm)直流电阻不大于（/km)计算拉断力（N）铝钢铝钢总计10/26/1.501/1.5010.61.7712.374.502.706412016/36/1.851/1.8516.132.6918.825.551.779613025/46/2.321/2.3225.364.2329.596.961.131929035/66/2.721/2.7234.865.8140.678.160.8231263050/86/3.201/3.2048.258.0456.299.600.59461687050/3012/2.327/2.3250.73

14、29.5980.3211.600.56924262070/106/3.801/3.8068.0511.3479.3911.400.42172339070/4012/2.727/2.7269.7340.67110.413.600.41415830095/1526/2.157/1.6794.3915.33109.7213.610.30583500095/207/4.167/1.8595.1418.82113.9613.870.30193720095/5512/3.207/3.2096.5156.3152.8116.000.299278110120/718/2.901/2.90118.896.611

15、25.514.500.242227570120/2026/2.387/1.85115.6718.82184.415.070.249641000120/257/4.727/2.10122.4821.25146.7315.740.234547880120/7012/3.607/3.60122.1571.25196.418.000.236498370150/818/3.201/3.20144.768.84152.316.000.198932860150/2024/2.767/1.85145.6818.82164.516.670.19846630150/2526/2.707/2.10148.8621.

16、25172.1117.100.193954110150/3530/2.507/2.50147.234.36181.6217.500.196265020185/1018/3.601/3.60183.2210.18193.418.000.157240880185/2524/3.157/2.10187.0424.25211.2918.900.154259420185/3026/2.987/2.32181.3429.59210.9318.880.159264320185/4530/2.807/2.80184.7343.1227.8319.600.156480190210/1018/3.801/3.80

17、204.1411.34215.4819.000.141145140210/2524/3.337/2.22209.0227.1236.1219.9803526/3.227/2.50211.7334.36246.0920.380.136374250210/5030/2.987/2.98209.2448.82253.0620.860.138190830240/3024/3.607/2.40244.2931.67275.9621.600.118175620240/4026/3.427/2.66238.8538.9277.7521.660.120983370240/5530/3

18、.207/3.20241.2756.3297.5722.400.1198102100240/3024/3.607/2.40244.2931.67275.9621.60.118175620240/4026/3.427/2.66238.8538.9277.7521.660.120983370240/5530/3.207/3.20241.2756.3297.5722.40.1198102100300/1542/3.007/1.67296.8815.33312.2123.010.0972468060300/2045/2.937/1.95303.4220.91324.3323.430.095275680

19、300/2548/2.857/2.22306.2127.1333.3123.760.0943383410300/4024/3.997/2.66300.0938.9338.9923.940.0961492220300/5026/3.837/2.98299.5448.82348.3624.260.09636103400300/7030/3.607/3.6305.3671.25376.6125.20.09463128000400/2042/3.517/1.95406.420.91427.3126.910.0710488850400/2545/3.337/2.22391.9127.1419.0126.

20、640.073795940400/3548/3.227/2.50390.8834.36425.2426.820.07389103900400/5054/3.077/3.07399.7351.82451.5527.630.07232123400400/6526/4.427/3.44398.9465.06464280.07236135200400/9530/4.1619/2.50407.7593.27501.0229.140.07087171300500/3545/3.757/2.50497.0134.36531.37300.05812119500500/4548/3.607/2.80488.58

21、43.1531.68300.05912128100500/6554/3.447/3.44501.8865.06566.9430.960.0576154000630/4545/4.207/2.80623.4543.1666.5533.60.04633148700630/5548/4.127/3.20639.9256.3696.2234.320.04514164400630/8054/3.8719/2.32635.1980.32715.5134.820.04551192900800/5545/4.807/3.20814.3356.3870.638.40.03547191500800/7048/4.637/3.6038.580.0357480