1、附表2.1鋼芯鋁絞線長期允許載流量（A）最高允許溫度最高允許溫度+70+80+70+80異線型號異線型號LGJ1086LGJQ150450455LGJ16105108LGJQ185505518LGJ25130138LGJQ240605651LGJ35175183LGJQ300690708LGJ50210215LGJQ300(1)721LGJ70265260LGJQ400825836LGJ95330352LGJQ400(1)857LGJ95(1)317LGJQ500945932LGJ120380401LGJQ60010501047LGJ120(1)351LGJQ70012201159LGJ150

2、445452LGJQ150450468LGJ185510531LGJQ185515539LGJ240610613LGJQ240610639LGJ300690765LGJQ300705758LGJ400840840LGJQ400850881注1最高允許溫度+7CTC的載流量，基準壞境溫度為+25°C,無口照：2. 最高允許溫度+80'C的載流量，系按基準壞境溫度為+25°C、口照0.lW/cm2.風速0.5m/s、海拔1000m、輻射散熱系數及吸熱系數為0.5條件計算的；3. 某些導線有兩種絞合結構，帶（1）者鋁芯根數少（LGJ型為7根，LGJQ型為24根），但每根鋁

3、芯截面較大。附表2.2擴徑導線及鋁合金線主要技術參數及長期允許載流量項目LGJK300擴徑鋼芯鋁絞線LGKK600鋁鋼擴徑空芯導線LGKK900LGKK1400LGJQT1400特輕型鋁金金線截面鋁301587906.41387.81399.6(mm2)7249.584.83106.0134.3鋼373636991.231493.81533.9總截面外徑(mm)27.451.057.051.0拉斷力(N)143000152000209000295000336000彈性系數(N/mm2)8650073000599005920057300線脹系數(i/0c)18.1X10619.9X10620.4

4、X10620.8X10620.4X10620°C直流電阻0.1000.05060.033170.021630.02133(Q/km)導線載流量(A)738.991201.67127016211563單位重量(kg/km)14202690362051294962注載流量按最高允許溫度+8CTC,基準環境溫度+25°C,(后三種導線為+40°C),口照0.lW/cm2,風速0.5m/s,輻射散熱系數與吸熱系數為0.9條件計算的。附表2.3矩形鋁導體長期允許載流量(A)導體尺寸單條雙條三條四條HXB平放豎放平放豎放平放豎放平放豎放(mmXmm)40X448050340X

5、554256250X458661350X566169263X6.3910952140915471866211163X810381085162317772113237963X1011681221182519942381266580X6.31128117817241892221125052558341180X81274133019462131249128092863381780X1014271490217523732774311431674222100X6.313711430205122532633288530324043100X8154216092298251629333311335944791

6、00X1017281803255827963181357836224829125X6.316741744244626802079349035254700125X818761955272529823375381338475129125X1020892177300532823725319442255633注1載流量系按最高允許溫度+70°C、基準壞境溫度+259、無風、無口照條件算的:2導體尺寸中，h為寬度，b為厚度。3當導體為四條時，平放、豎放第2、3片間距離皆為50mm。附表2.4槽形鋁導體長期允許載流址及計算用數振裁而尺寸(H)雙槽丫體截面集膚效應系數導體我流雙槽焊成整體時共振最大

7、允許距離(cm)HBCmm2:U截面系Wy(cnl)慣性矩Iv(cal)慣性半徑TVcm截面系Wx(cn3)慣性矩lx(cal1)慣性半徑rxcm截面系Wv(cn3)慣性矩Jv(»4)慣性半徑rvcm靜力矩Sr.(cm3)雙ffi實連時絕緣子間距雙不實連時絕緣子間距75354610101.01222802.526.21.0910.141.62.S323.7892.9311.175350.0613901.02526203.177.61.0514.153.12.7630.11132.85IS.4178111100454.5S15501.0227401.5114.51.331113.784

8、8.62433.962&8205125100456820201.03S35905.9IS.51.37271353.7582903.8536203123125556.501027101.0516209.5371.65502904.71006204.86322813915065了1035701.075565011.7681.97745605.6516712606.09825215017580S12ISS01.1036600251442.412210706.6525023006.91562631172009010146S701.1757550102542.7519319307.5542242

9、207.9252285157200901216S0S01.237SSOO16.52912.722522507.619049007.929028315722510512.51697601.2S51015066.54903.23073150S.56157210S.739029916325011512,516109001.31311200S16603.5236045009.2824103009.82495321200注1杈漢址系按最高允許溫度+70'C.基準環境溫度-251C.無風.無口照條件計算的:2上表截面尺寸中,h為槽形鋁導體高度.b為寬度.c為壁r為彎曲半徑。附表2.5鋁猛合金管形導

10、體長期允許載流量及計算用數據導體尺寸D/d(mm)導體截面(mm2)導體最高允許溫度為下值時的載流量截面系數I(cm4)慣性半徑n(cm)慣性矩I(cm4)+70°C+80°C巾30/252165725651.370.9762.06巾40/352947707122.601.335.20巾50/453749708504.221.6810.6d)60/54539124010727.292.0221.9d)70/646311413121110.22.3735.5d)80/729541900154517.32.6969.2d)100/9014912350205433.83.36169巾16492566221741.43.72228110/10018062782237749.94.07299巾120/11027053511297679.04.36513巾130/1163140巾150/136注：1.+7C