《导体载流量汇编》word版

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1、附录三裸导体的长期允许载流量及其校正系数附表3-1钢芯铝绞线长期允许载流量(A)导 线 型 号最 高 允 许 温 度（℃)               +70                     +80LGJ-10LGJ-16LGJ-25LGJ-35LGJ-50LGJ-70LGJ-95  LGJ-95(1)LGJ-120  LGJ-120(1)LGJ-150LGJ-185LGJ-240LGJ-300LGJ-400LGJQ-150LGJQ-185LGJQ-240LGJQ-300  LGJQ-300(1)LGJ

2、Q-400  LGJQ-400(1)LGJQ-500                                         80               105                      108               130                      138               175                      183               210                      215               26

3、5                      260               330                      352                                              317               380                      401                                              351                                                

4、       445                      452               510                      631               610                      613               690                      755               835                      840               450                      435        

5、       505                      518               605                      651               690                      708                                         721               825                      836                                         857      

6、         845                      932LGJQ-600LGJQ-700LGJQ-150LGJQ-185LGJQ-240LGJQ-300LGJQ-4001050122045051561070585010471159408539739758681注1.最高允许温度+70℃的载流量，基准环境温度为+25℃、无日照。2.最高允许温度+80℃的载流量，系按基准环境温度为+25℃、日照0.1W/cm2、风速0.5m/s、海拔1000m，辐射散热系数及吸热系数为0.5条件计算的。3.某些导

7、线有两种绞合结构，带(1)者铝芯根数少(LGJ型为7根，LGJQ型为24根)，但每根铝芯截面较大。附表3-2扩径导线及铝合金线主要技术参数及长期允许载流量项   目LGKK-300扩径钢芯铝绞线LGKK-600铝钢扩径空芯导线LGKK-900LGKK-1400LQJQT-1400特轻型铝合金线截面(mm2)铝钢总3017237258749.5636906.484.83991.231387.8106.01198.81389.6134.31533.8外径(mm)拉断力(N)弹性系数(N/mm2)线胀系数(┴/℃)2

8、0℃直流电阻(Ω/KM)导线截流量(A)单位重量(kg/km)27.41430008650018.2x10-0.100738.99142051.01520007300018.9x10-0.05081204.67269049.02090005990020.4x10-0.033171270362057.02950005920020.8x10-0.0216321612051.03360005