2023架空導(dǎo)線覆冰過載能力計(jì)算

LGJ-300/25K=3V=30.9m/sC=5mm導(dǎo)線覆冰過載能力計(jì)算-200903,,,,,,,,,,,,,,,,,,,,,,

導(dǎo)線型號(hào),LGJ-300/25,,安全系數(shù),3,年平均運(yùn)行張力(%),,25,保證破斷張力取計(jì)算拉斷力的,,,0.95,直徑(mm),23.76,,,,,,,,,

計(jì)算拉斷力(N),,自重荷載(N/m),,截面積(mm^2),,彈性模量(N/mm^2),,溫度線膨脹系數(shù)(1/℃),,最大使用張力(N),,平均運(yùn)行張力(N),,,,,,,,,,

83410,,10.3754,,333.31,,65000.0,,0.00002050,,26413,,19810,,,設(shè)計(jì)基準(zhǔn)風(fēng)速高度取值,,特高壓交流,特高壓直流,500～750kV,110～330kV,,

臨界檔距Lkp1=127.81m,,小于臨界檔距的控制條件為：最低氣溫；大于臨界檔距的控制條件為：覆冰,,,,,,,,基準(zhǔn)設(shè)計(jì)風(fēng)速(m/s),,設(shè)計(jì)風(fēng)速基準(zhǔn)高度(m),導(dǎo)線平均高度(m),,,,10m,10m,10m,10m,,

臨界檔距Lkp2=397.63m,,小于臨界檔距的控制條件為：覆冰；大于臨界檔距的控制條件為：大風(fēng),,,,,,,,,,,,,導(dǎo)線平均高度建議值,,特高壓交流,特高壓直流,500～750,110～330,,

,,,,,,,,,,29,,10,15,,,,30m,26m,20m,15m,,

"地面粗糙度類別(1-田野、山丘,2-海島,3-城市，4－自定義)：",,,,,1,地面粗糙度指數(shù)a(高空風(fēng)壓系數(shù)計(jì)算)：,,,,0.16,,系數(shù)K=,1,,,,,,,,,

導(dǎo)線覆冰過載能力(最低點(diǎn)水平張力達(dá)到拉斷力的,,,,,70%,覆冰風(fēng)荷載增大系數(shù)：,,,,1,,,,,,,,,,,,

工況,控制工況,,,,,Lp1=,376,m時(shí)的覆冰過載能力,,Lp2=,376,m時(shí)的覆冰過載能力,,,高空風(fēng)壓系數(shù)計(jì)算取值,,,,,,,

,年平均氣溫,最低氣溫,大風(fēng),覆冰,,重新計(jì)算：是(1)、否(0)：,,,1,重新計(jì)算：是(1)、否(0)：,,,1,,地面粗糙度類別,,1,2,3,4,,

冰厚(mm),0,0,0,5,,過載冰厚,22.3,22.3,mm,過載冰厚,23.2,23.2,mm,,系數(shù)K,,1,1.379,0.616,1,,

基準(zhǔn)風(fēng)速(m/s),0,0,29,10,,,15,15,,,15,15,,,地面粗糙度指數(shù)a,,0.16,0.12,0.22,0.14,,

風(fēng)壓不均勻系數(shù),1,1,0.75,1,,,1,1,,,1,1,,,,,B類,A類,C類,自定義,,

導(dǎo)線風(fēng)速(m/s),0.0,0.0,30.9,10.0,,,15.0,15.0,,,15.0,15.0,,,此處為導(dǎo)線平均高度處的風(fēng)速,,,,,,,

氣溫(℃),15,-10,10,-5,,,-5,-5,,,-5,-5,,,,,,,,,,

垂直荷載(N/m),10.3754,10.3754,10.3754,14.3627,,,38.8556,38.8556,,,40.5839,40.5839,,,,,,,,,,

水平荷載(N/m),0.0000,0.0000,11.7307,2.5320,,,11.5358,11.5358,,,11.8395,11.8395,,,,,,,,,,

綜合荷載(N/m),10.3754,10.3754,15.6608,14.5841,,,40.5318,40.5318,,,42.2756,42.2756,,,,,,,,,,

代表檔距(m),張力(N),張力(N),張力(N),張力(N),,代表檔距m,張力(N),張力(N),,,張力(N),張力(N),,,,,,,,,,

a,21378.3,10274.9,19157.6,12495.6,,,12495.6,12495.6,,,12495.6,12495.6,,,,,,,,,,

b,1.37385E+13,1.37385E+13,3.13006E+13,2.71449E+13,,,2.09661E+14,2.09661E+14,,,2.2809E+14,2.2809E+14,,,,,,,,,,

T1,20329,21915,26255,26413,,,92709,92709,,,99403,99403,,,,,,,,,,

T2,18671,21005,26254,26413,,,67993,67993,,,72087,72087,,,,,,,,,,

T3,18550,20969,26254,26413,,,57559,57559,,,59929,59929,,,,,,,,,,

T4,18549,20969,26254,26413,,,55587,55587,,,57320,57320,,,,,,,,,,

T5,18549,20969,26254,26413,,,55521,55521,,,57205,57205,,,,,,,,,,

T6,18549,20969,26254,26413,,,55520,55520,,,57205,57205,,,,,,,,,,

376,18549,20969,26254,26413,,Lp1,55520,55520,過載,,57205,57205,過載,,控制工況,覆冰,氣溫(℃),-5,荷載(N/m),14.5841,張力(N),26413

a,21378.3,10274.9,19157.6,12495.6,,,12495.6,12495.6,未過載,,12495.6,12495.6,未過載,,,,,,,,,

b,1.37385E+13,1.37385E+13,3.13006E+13,2.71449E+13,,,2.09661E+14,2.09661E+14,過載,,2.2809E+14,2.2809E+14,過載,,,,,,,,,

T1,20329,21915,26255,26413,,,92709,92709,過載,,99403,99403,過載,,,,,,,,,

T2,18671,21005,26254,26413,,,67993,67993,過載,,72087,72087,過載,,,,,,,,,

T3,18550,20969,26254,26413,,,57559,57559,過載,,59929,59929,過載,,,,,,,,,

T4,18549,20969,26254,26413,,,55587,55587,過載,,57320,57320,過載,,,,,,,,,

T5,18549,20969,26254,26413,,,55521,55521,過載,,57205,57205,過載,,,,,,,,,

T6,18549,20969,26254,26413,,,55520,55520,過載,,57205,57205,過載,,,,,,,,,

476,18549,20969,26254,26413,,Lp1+100,55520,55520,過載,,57205,57205,過載,,控制工況,覆冰,氣溫(℃),-5,荷載(N/m),14.5841,張力(N),26413

a,21378.3,10274.9,19157.6,12495.6,,,12495.6,12495.6,未過載,,12495.6,12495.6,未過載,,,,,,,,,

b,1.37385E+13,1.37385E+13,3.13006E+13,2.71449E+13,,,2.09661E+14,2.09661E+14,過載,,2.2809E+14,2.2809E+14,過載,,,,,,,,,

T1,20329,21915,26255,26413,,,92709,92709,過載,,99403,99403,過載,,,,,,,,,

T2,18671,21005,26254,26413,,,67993,67993,過載,,72087,72087,過載,,,,,,,,,

T3,18550,20969,26254,26413,,,57559,57559,過載,,59929,59929,過載,,,,,,,,,

T4,18549,20969,26254,26413,,,55587,55587,過載,,57320,57320,過載,,,,,,,,,

T5,18549,20969,26254,26413,,,55521,55521,過載,,57205,57205,過載,,,,,,,,,

T6,18549,20969,26254,26413,,,55520,55520,過載,,57205,57205,過載,,,,,,,,,

376,18549,20969,26254,26413,,Lp2,55520,55520,過載,,57205,57205,過載,,控制工況,覆冰,氣溫(℃),-5,荷載(N/m),14.5841,張力(N),26413

a,47711.0,36607.7,45490.4,38828.3,,,38828.3,38828.3,未過載,,38828.3,38828.3,未過載,,,,,,,,,

b,2.2018E+13,2.2018E+13,5.01639E+13,4.35037E+13,,,3.36013E+14,3.36013E+14,過載,,3.65548E+14,3.65548E+14,過載,,,,,,,,,

T1,19976,20962,26413,25928,,,96512,96512,過載,,103639,103639,過載,,,,,,,,,

T2,18367,19813,26413,25921,,,70421,70421,過載,,74718,74718,過載,,,,,,,,,

T3,18268,19763,26413,25921,,,60308,60308,過載,,62818,62818,過載,,,,,,,,,

T4,18268,19763,26413,25921,,,58734,58734,過載,,60691,60691,過載,,,,,,,,,

T5,18268,19763,26413,25921,,,58697,58697,過載,,60626,60626,過載,