220kv單回直線塔荷載計(jì)算書

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1、220kV單回直線塔荷載計(jì)算書220kV單回路荷載計(jì)算書一、設(shè)計(jì)條件1、桿塔參數(shù)：氣象區(qū):典型氣象區(qū)6桿塔型式:220kV單回路掛線方式:雙倍掛線桿塔類型:直線桿塔自重:3789.91地形類別:平地地貌類別:B類重要類別:二類2、氣象條件：工況冰厚(mm)風(fēng)速(m/s)溫度(°C)高溫0.0040低溫0.00-20覆冰10.010-5大風(fēng)0.025-5安裝0.010-10年平均0.0010校驗(yàn)0.0015斷線0.00103、電線參數(shù)：電線參數(shù)后地1前地1后地2前地2后導(dǎo)(1,2,3)前導(dǎo)(1,2,3)電線型號(hào)GJ-50GJ-50GJ-50GJ-50LGJ-

2、300/40LGJ-300/40截面積(mm^2)49.4849.4849.4849.48338.99338.99外徑(mm)9.009.009.009.0023.9423.94重量(kg/km)411.90411.90411.90411.901133.001133.00斷拉力(N)531765317653176531769222092220最大使用張力(N)15193.1415193.1415193.1415193.1436888.0036888.00電壓等級(jí)(kV)220.00220.00220.00220.00220.00220.00分裂數(shù)11111

3、1對(duì)地高度(m)36.2436.2436.2436.2423.7023.70垂直檔距(m)800.00800.00800.00800.00800.00800.00代表檔距(m)600.00600.00600.00600.00600.00600.00水平檔距(m)600.00600.00600.00600.00600.00600.00電線角度177.502.50177.502.50177.502.50臨時(shí)拉線平衡張力系數(shù)0.300.300.300.300.300.30臨時(shí)拉線初張力系數(shù)0.300.300.300.300.300.30臨時(shí)拉線平衡張力2132.

4、562132.562132.562132.566095.736095.73臨時(shí)拉線初張力2132.562132.562132.562132.566095.736095.73附加荷載(N)2000.002000.002000.002000.003500.003500.00垂直和橫向荷載分配系數(shù)0.600.600.600.600.600.60緊線牽引繩對(duì)地夾角20.0020.0020.0020.0020.0020.00臨時(shí)拉線對(duì)地夾角20.0020.0020.0020.0020.0020.00掛點(diǎn)X坐標(biāo)0.800.80-0.80-0.804.004.00掛點(diǎn)Y

5、坐標(biāo)0.000.000.000.000.000.00掛點(diǎn)Z坐標(biāo)0.000.000.000.0010.5010.50風(fēng)壓高度變化系數(shù)1.331.331.331.331.161.164、絕緣子串參數(shù):電線參數(shù)后地1前地1后地2前地2后導(dǎo)(1,2,3)前導(dǎo)(1,2,3)型號(hào)B01B01B01B01XD1XD1相串?dāng)?shù)(串)111111每相自重(N)46.0946.0946.0946.09727.16727.16高溫時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16低溫時(shí)每相總重(N)46.0946.0946.0946.09727.16

6、727.16覆冰時(shí)每相總重(N)53.0053.0053.0053.00836.24836.24大風(fēng)時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16安裝時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16年平均時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16校驗(yàn)時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16斷線時(shí)每相總重(N)46.0946.0946.0946.09727.16727.16每相擋風(fēng)面積(m^2)0.100.100.1

7、00.100.420.42覆冰時(shí)風(fēng)力(N)8.298.298.298.2930.3930.39大風(fēng)時(shí)風(fēng)力(N)51.8051.8051.8051.80189.92189.92安裝時(shí)風(fēng)力(N)8.298.298.298.2930.3930.39二、電線力學(xué)參數(shù)電線參數(shù)后地1前地1后地2前地2后導(dǎo)(1,2,3)前導(dǎo)(1,2,3)電線型號(hào)GJ-50GJ-50GJ-50GJ-50LGJ-300/40LGJ-300/40高溫自重加冰重(N/m)4.044.044.044.0411.1111.11低溫自重加冰重(N/m)4.044.044.044.0411.1111.

8、11覆冰自重加冰重(N/m)9.319.319.319.3120.