1 导线型号 环境温度 35℃ 40℃ LGJ-16 92 85 LGJ-25 114 105 LGJ-35 154 141 LGJ-50 184 170 LGJ-70 233 214 LGJ-95 290 267 LGJ-120 334 307 LGJ-150 391 360 LGJ-185 448 413 LGJ-240 536 494 配网线路及设备现场规程 2 附录6: 油浸纸绝缘电缆极限允许载流量参数表 电缆型号规格 敷设条件 ZLQ20-3*50 ZLQ20-3*70 ZLQ20-3*95 ZLQ20-3*120 ZLQ20-3*150 ZLQ20-3*185 ZLQ20-3*240 直埋地中① 导体温度60℃,环境温度30℃,校正系数K1取 0.926② 华南地区土壤热阻系数80℃·cm/w,校正系数 K2取 1. 0③ 直埋地1根,校正系数K3取 1. 0 I =I0·K1·K2·K3 =130*0.926 *1.0*1.0 =120.3( A) I =I0·K1·K2·K3 =150*0.926 *1.0*1.0 =138.9( A) I =I0·K1·K2·K3 =185*0.926*1.0*1.0 =171( A) I =I0·K1·K2·K3 =215*0.926*1.0*1.0 =199( A) I =I0·K1·K2·K3 =245*0.926*1.0 *1.0 =226( A) I =I0·K1·K2·K3 =275*0.926*1.0*1.0 =254.6( A) I =I0·K1·K2·K3 =325*0.926*1.0 *1.0 =301( A) 在空气中① 导体温度60℃,环境温度 40℃,校正系数K1取 0.756② 多根并列敷设(s=d, 6根) ,校正系数K2取 0.80 I =I0·K1·K2 =120*0.756 *0.8 =73( A) I =I0·K1·K2 =145*0.756 *0.8 =87.7( A) I =I0·K1·K2 =180*0.756*0.8 =109( A) I =I0·K1·K2 =205*0.756*0.8 =124( A) I =I0·K1·K2 =235*0.756*0.8 =142.1( A) I =I0·K1·K2 =270*0.756*0.8 =163.3( A) I =I0·K1·K2 =320*0.756*0.8 =193.5( A) 在沟(管*1)中① 导体温度60℃,环境温度40℃,校正系数K1取 0.756② 单根并列敷设(s=1d, 1根) ,校正系数K2取 1.0③ 电缆穿管时 (1根 ),校正系数 K3取 0.95 I =I0·K1·K2·K3 =120*0.756 *1.0*0.95 =86( A) I =I0·K1·K2·K3 =145*0.756 *1.0*0.95 =104.1( A) I =I0·K1·K2·K3 =180*0.756*1.0*0.95 =130( A) I =I0·K1·K2·K3 =205*0.756*1.0*0.95 =147( A) I =I0·K1·K2·K3 =235*0.756*1.0 *0.95 =168.7( A) I =I0·K1·K2·K3 =270*0.756*1.0*0.95 =193.9( A) I =I0·K1·K2·K3 =320*0.756*1.0 *0.95 =229.8( A) 在沟(管*4)中① 导体温度60℃,环境温度40℃,校正系数K1取 0....