环境温度
|
20℃
|
25℃
|
35℃
|
40℃
|
45℃
|
校正系数
|
1.12
|
1.06
|
0.94
|
0.87
|
0.79
|
环境温度
|
15℃
|
20℃
|
30℃
|
35℃
|
校正系数
|
1.11
|
1.05
|
0.94
|
0.88
|
导电线芯短路时允许最高温度
|
最高允许的短路电流
|
160℃
|
I = 94S√tA
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
Cu
|
Cu
|
||||||
1 X 1.5
|
1
|
0.8
|
1.4
|
6.1
|
50.7
|
≤12.1
|
3.5
|
1 X 2.5
|
1
|
0.8
|
1.4
|
6.5
|
63.5
|
≤7.41
|
3.5
|
1 X 4
|
1
|
1.0
|
1.4
|
7.4
|
87.7
|
≤4.61
|
3.5
|
1 X 6
|
1
|
1.0
|
1.4
|
7.9
|
111.0
|
≤3.08
|
3.5
|
1 X 10
|
7
|
1.0
|
1.4
|
9.2
|
166.6
|
≤1.83
|
3.5
|
1 X 16
|
7
|
1.0
|
1.4
|
10.3
|
233.3
|
≤1.15
|
3.5
|
1 X 25
|
7
|
1.2
|
1.4
|
12.0
|
344.9
|
≤0.727
|
3.5
|
1 X 35
|
7
|
1.2
|
1.4
|
13.2
|
449.8
|
≤0.524
|
3.5
|
1 X 50
|
19
|
1.4
|
1.4
|
14.9
|
590.5
|
≤0.387
|
3.5
|
1 X 70
|
19
|
1.4
|
1.4
|
16.7
|
807.3
|
≤0.268
|
3.5
|
1 X 95
|
19
|
1.6
|
1.5
|
19.3
|
1102.0
|
≤0.193
|
3.5
|
1 X 120
|
37
|
1.6
|
1.5
|
20.9
|
1349.0
|
≤0.153
|
3.5
|
1 X 150
|
37
|
1.8
|
1.6
|
23.1
|
1654.0
|
≤0.124
|
3.5
|
1 X 185
|
37
|
2.0
|
1.7
|
25.6
|
2060.0
|
≤0.0991
|
3.5
|
1 X 240
|
61
|
2.2
|
1.8
|
28.8
|
2651.0
|
≤0.0754
|
3.5
|
1 X 300
|
61
|
2.4
|
1.9
|
31.9
|
3323.0
|
≤0.0601
|
3.5
|
1 X 400
|
61
|
2.6
|
2.0
|
35.5
|
4205.0
|
≤0.0470
|
3.5
|
1 X 500
|
61
|
2.8
|
2.1
|
39.7
|
5359.0
|
≤0.0336
|
3.5
|
1 X 600
|
61
|
2.9
|
2.2
|
43.7
|
6707.0
|
≤0.0283
|
3.5
|
1 X 800
|
61
|
2.9
|
2.4
|
46.1
|
8064.0
|
≤0.0221
|
3.5
|
表2:两芯电缆
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
Cu
|
Cu
|
||||||
2 X 1.5
|
1
|
0.8
|
1.8
|
10.5
|
119
|
≤12.1
|
3.5
|
2 X 2.5
|
1
|
0.8
|
1.8
|
11.3
|
150
|
≤7.41
|
3.5
|
2 X 4
|
1
|
1.0
|
1.8
|
13.1
|
210
|
≤4.61
|
3.5
|
2 X 6
|
1
|
1.0
|
1.8
|
14.1
|
264
|
≤3.08
|
3.5
|
2 X 10
|
7
|
1.0
|
1.8
|
16.7
|
393
|
≤1.83
|
3.5
|
2 X 16
|
7
|
1.0
|
1.8
|
18.8
|
541
|
≤1.15
|
3.5
|
2 X 25
|
7
|
1.2
|
1.8
|
22.2
|
794
|
≤0.727
|
3.5
|
2 X 35
|
7
|
1.2
|
1.8
|
24.5
|
1037
|
≤0.524
|
3.5
|
2 X 50
|
19
|
1.4
|
1.8
|
21.8
|
1227
|
≤0.387
|
3.5
|
2 X 70
|
19
|
1.4
|
1.9
|
24.7
|
1650
|
≤0.268
|
3.5
|
2 X 95
|
19
|
1.6
|
2.0
|
29.2
|
2213
|
≤0.193
|
3.5
|
2 X 120
|
37
|
1.6
|
2.1
|
31.3
|
2733
|
≤0.153
|
3.5
|
2 X 150
|
37
|
1.8
|
2.2
|
34.7
|
3396
|
≤0.124
|
3.5
|
2 X 185
|
37
|
2.0
|
2.4
|
37.9
|
3943
|
≤0.0991
|
3.5
|
2 X 240
|
61
|
2.2
|
2.4
|
44.3
|
5135
|
≤0.0754
|
3.5
|
2 X 300
|
61
|
2.4
|
2.5
|
49.0
|
6436
|
≤0.0601
|
3.5
|
2 X 400
|
61
|
2.6
|
2.8
|
56.0
|
8536
|
≤0.0470
|
3.5
|
表3:三芯电缆
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
Cu
|
Cu
|
||||||
3 X 1.5
|
1
|
0.8
|
1.8
|
10.9
|
142.0
|
≤12.1
|
3.5
|
3 X 2.5
|
1
|
0.8
|
1.8
|
11.8
|
187.0
|
≤7.41
|
3.5
|
3 X 4
|
1
|
1.0
|
1.8
|
13.7
|
265.0
|
≤4.61
|
3.5
|
3 X 6
|
1
|
1.0
|
1.8
|
14.8
|
335.0
|
≤3.08
|
3.5
|
3 X 10
|
7
|
1.0
|
1.8
|
17.6
|
514.0
|
≤1.83
|
3.5
|
3 X 16
|
7
|
1.0
|
1.8
|
19.9
|
728.0
|
≤1.15
|
3.5
|
3 X 25
|
7
|
1.2
|
1.8
|
23.6
|
1084.0
|
≤0.727
|
3.5
|
3 X 35
|
7
|
1.2
|
1.8
|
26.1
|
1422.0
|
≤0.524
|
3.5
|
3 X 50
|
19
|
1.4
|
1.8
|
26.5
|
1801.0
|
≤0.387
|
3.5
|
3 X 70
|
19
|
1.4
|
2.0
|
28.8
|
2415.0
|
≤0.268
|
3.5
|
3 X 95
|
19
|
1.6
|
2.1
|
33.6
|
3205.0
|
≤0.193
|
3.5
|
3 X 120
|
37
|
1.6
|
2.2
|
37.1
|
4037.0
|
≤0.153
|
3.5
|
3 X 150
|
37
|
1.8
|
2.3
|
41.9
|
5028.0
|
≤0.124
|
3.5
|
3 X 185
|
37
|
2.0
|
2.5
|
45.9
|
6180.0
|
≤0.0991
|
3.5
|
3 X 240
|
61
|
2.2
|
2.7
|
51.8
|
7949.0
|
≤0.0754
|
3.5
|
3 X 300
|
61
|
2.4
|
2.9
|
55.3
|
9780.0
|
≤0.0601
|
3.5
|
3 X 400
|
61
|
2.6
|
3.0
|
60.6
|
12103.0
|
≤0.0470
|
3.5
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
Cu
|
Cu
|
||||||
4 X 2.5
|
1
|
0.8
|
1.8
|
12.7
|
232.0
|
≤7.41
|
3.5
|
4 X 4
|
1
|
1.0
|
1.8
|
14.9
|
322.0
|
≤4.61
|
3.5
|
4 X 6
|
1
|
1.0
|
1.8
|
16.1
|
422.0
|
≤3.08
|
3.5
|
4 X 10
|
7
|
1.0
|
1.8
|
19.2
|
649.0
|
≤1.83
|
3.5
|
4 X 16
|
7
|
1.0
|
1.8
|
21.7
|
922.0
|
≤1.15
|
3.5
|
4 X 25
|
7
|
1.2
|
1.8
|
25.9
|
1373.0
|
≤0.727
|
3.5
|
4 X 35
|
7
|
1.2
|
1.8
|
28.7
|
1802.0
|
≤0.524
|
3.5
|
4 X 50
|
19
|
1.4
|
1.9
|
30.4
|
2380.0
|
≤0.387
|
3.5
|
4 X 70
|
19
|
1.4
|
2.1
|
33.9
|
3202.0
|
≤0.268
|
3.5
|
4 X 95
|
19
|
1.6
|
2.2
|
39.7
|
4315.0
|
≤0.193
|
3.5
|
4 X 120
|
37
|
1.6
|
2.4
|
44.2
|
5359.0
|
≤0.153
|
3.5
|
4 X 150
|
37
|
1.8
|
2.5
|
48.7
|
6679.0
|
≤0.124
|
3.5
|
4 X 185
|
37
|
2.0
|
2.7
|
53.5
|
8190.0
|
≤0.0991
|
3.5
|
4 X 240
|
61
|
2.2
|
2.9
|
55.4
|
10494.0
|
≤0.0754
|
3.5
|
4 X 300
|
61
|
2.4
|
3.0
|
61.0
|
12948.0
|
≤0.0601
|
3.5
|
4 X 400
|
61
|
2.6
|
3.2
|
70.0
|
16788.0
|
≤0.0470
|
3.5
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
Cu
|
Cu
|
||||||
5 X 2.5
|
1
|
0.8
|
1.8
|
13.6
|
272.0
|
≤7.41
|
3.5
|
5 X 4
|
1
|
1.0
|
1.8
|
16.1
|
394.0
|
≤4.61
|
3.5
|
5 X 6
|
1
|
1.0
|
1.8
|
17.7
|
509.0
|
≤3.08
|
3.5
|
5 X 10
|
7
|
1.0
|
1.8
|
21.0
|
792.0
|
≤1.83
|
3.5
|
5 X 16
|
7
|
1.0
|
1.8
|
23.8
|
1124.0
|
≤1.15
|
3.5
|
5 X 25
|
7
|
1.2
|
1.8
|
28.7
|
1696.0
|
≤0.727
|
3.5
|
5 X 35
|
7
|
1.2
|
1.9
|
32.0
|
2241.0
|
≤0.524
|
3.5
|
5 X 50
|
19
|
1.4
|
2.1
|
37.4
|
3158.0
|
≤0.387
|
3.5
|
5 X 70
|
19
|
1.4
|
2.2
|
41.7
|
4236.0
|
≤0.268
|
3.5
|
5 X 95
|
19
|
1.6
|
2.4
|
48.1
|
5685.0
|
≤0.193
|
3.5
|
5 X 120
|
37
|
1.6
|
2.5
|
53.0
|
7662.0
|
≤0.153
|
3.5
|
5 X 150
|
37
|
1.8
|
2.7
|
58.6
|
8743.0
|
≤0.124
|
3.5
|
5 X 185
|
37
|
2.0
|
2.9
|
65.1
|
10801.0
|
≤0.0991
|
3.5
|
5 X 240
|
61
|
2.2
|
3.1
|
72.1
|
13194.0
|
≤0.0754
|
3.5
|
5 X 300
|
61
|
2.4
|
3.4
|
80.1
|
16414.0
|
≤0.0601
|
3.5
|
5 X 400
|
61
|
2.6
|
3.6
|
87.0
|
21164.0
|
≤0.0470
|
3.5
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
|||
相线
|
地线
|
Cu
|
20℃Cu
|
|||||||
3x4+1x2.5
|
1
|
1
|
1.0
|
0.8
|
1.8
|
14.3
|
254.0
|
≤4.61
|
≤7.41
|
3.5
|
3x6+1x4
|
1
|
1
|
1.0
|
1.0
|
1.8
|
15.8
|
400.0
|
≤3.08
|
≤4.61
|
3.5
|
3x10+1x6
|
7
|
1
|
1.0
|
1.0
|
1.8
|
18.5
|
595.0
|
≤1.83
|
≤3.08
|
3.5
|
3x16+1x10
|
7
|
7
|
1.0
|
1.0
|
1.8
|
21.1
|
853.0
|
≤1.15
|
≤1.83
|
3.5
|
3x25+1x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
24.9
|
1267.0
|
≤0.727
|
≤1.15
|
3.5
|
3x35+1x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
27.1
|
1591.0
|
≤0.524
|
≤1.15
|
3.5
|
3x50+1x25
|
19
|
7
|
1.4
|
1.2
|
1.9
|
30.4
|
2124.0
|
≤0.387
|
≤0.727
|
3.5
|
3x70+1x35
|
19
|
7
|
1.4
|
1.2
|
2.0
|
33.9
|
2851.0
|
≤0.268
|
≤0.524
|
3.5
|
3x95+1x50
|
19
|
19
|
1.6
|
1.4
|
2.2
|
39.5
|
3844.0
|
≤0.193
|
≤0.387
|
3.5
|
3x120+1x70
|
37
|
19
|
1.6
|
1.4
|
2.3
|
44.0
|
4833.0
|
≤0.153
|
≤0.268
|
3.5
|
3x150+1x70
|
37
|
19
|
1.8
|
1.4
|
2.4
|
48.5
|
5841.0
|
≤0.124
|
≤0.268
|
3.5
|
3x185+1x95
|
37
|
19
|
2.0
|
1.6
|
2.6
|
53.3
|
7146.0
|
≤0.0991
|
≤0.193
|
3.5
|
3x240+1x120
|
61
|
37
|
2.2
|
1.6
|
2.8
|
55.0
|
9216.0
|
≤0.0754
|
≤0.153
|
3.5
|
3x300+1x150
|
61
|
37
|
2.4
|
1.6
|
3.1
|
59.8
|
11388.0
|
≤0.0601
|
≤0.124
|
3.5
|
3x400+1x240
|
61
|
61
|
2.6
|
1.6
|
3.3
|
66.0
|
14562.0
|
≤0.0470
|
≤0.0991
|
3.5
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
|||
相线
|
地线
|
Cu
|
20℃Cu
|
|||||||
3x4+2x2.5
|
1
|
1
|
1.0
|
0.8
|
1.8
|
15.2
|
345.0
|
≤4.61
|
≤7.41
|
3.5
|
3x6+2x4
|
1
|
1
|
1.0
|
1.0
|
1.8
|
17.1
|
463.0
|
≤3.08
|
≤4.61
|
3.5
|
3x10+2x6
|
7
|
1
|
1.0
|
1.0
|
1.8
|
19.7
|
680.0
|
≤1.83
|
≤3.08
|
3.5
|
3x16+2x10
|
7
|
7
|
1.0
|
1.0
|
1.8
|
22.7
|
990.0
|
≤1.15
|
≤1.83
|
3.5
|
3x25+2x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
26.7
|
1468.0
|
≤0.727
|
≤1.15
|
3.5
|
3x35+2x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
29.0
|
1791.0
|
≤0.524
|
≤1.15
|
3.5
|
3x50+2x25
|
19
|
7
|
1.4
|
1.2
|
1.9
|
34.4
|
2537.0
|
≤0.387
|
≤0.727
|
3.5
|
3x70+2x35
|
19
|
7
|
1.4
|
1.2
|
2.0
|
38.7
|
3464.0
|
≤0.268
|
≤0.524
|
3.5
|
3x95+2x50
|
19
|
19
|
1.6
|
1.4
|
2.2
|
44.4
|
4697.0
|
≤0.193
|
≤0.387
|
3.5
|
3x120+2x70
|
37
|
19
|
1.6
|
1.4
|
2.3
|
49.0
|
5935.0
|
≤0.153
|
≤0.268
|
3.5
|
3x150+2x70
|
37
|
19
|
1.8
|
1.4
|
2.4
|
52.9
|
5968.0
|
≤0.124
|
≤0.268
|
3.5
|
3x185+2x95
|
37
|
19
|
2.0
|
1.6
|
2.6
|
59.3
|
8554.0
|
≤0.0991
|
≤0.193
|
3.5
|
3x240+2x120
|
61
|
37
|
2.2
|
1.6
|
2.8
|
66.6
|
11184.0
|
≤0.0754
|
≤0.153
|
3.5
|
3x300+2x150
|
61
|
37
|
2.4
|
1.6
|
3.1
|
71.1
|
13719.0
|
≤0.0601
|
≤0.124
|
3.5
|
3x400+2x240
|
61
|
37
|
2.6
|
1.6
|
3.3
|
78.2
|
18250.0
|
≤0.0470
|
≤0.0754
|
3.5
|
导线标称截面(mm)
|
导体中单线根数
|
绝缘厚度(mm)
|
护套厚度(mm)
|
电缆近似外径(mm)
|
电缆近似重量(Kg/km)
|
20℃导体电阻≤ (Ω/km)
|
试验电压(Kv/5min )
|
|||
相线
|
地线
|
Cu
|
20℃Cu
|
|||||||
4x4+1x2.5
|
1
|
1
|
1.0
|
0.8
|
1.8
|
15.2
|
358.0
|
≤4.61
|
≤7.41
|
3.5
|
4x6+1x4
|
1
|
1
|
1.0
|
1.0
|
1.8
|
17.1
|
493.0
|
≤3.08
|
≤4.61
|
3.5
|
4x10+1x6
|
7
|
1
|
1.0
|
1.0
|
1.8
|
20.3
|
733.0
|
≤1.83
|
≤3.08
|
3.5
|
4x16+1x10
|
7
|
7
|
1.0
|
1.0
|
1.8
|
23.3
|
1118.0
|
≤1.15
|
≤1.83
|
3.5
|
4x25+1x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
27.6
|
1662.0
|
≤0.727
|
≤1.15
|
3.5
|
4x35+1x16
|
7
|
7
|
1.2
|
1.0
|
1.8
|
30.3
|
2046.0
|
≤0.524
|
≤1.15
|
3.5
|
4x50+1x25
|
19
|
7
|
1.4
|
1.2
|
2.0
|
35.8
|
2820.0
|
≤0.387
|
≤0.727
|
3.5
|
4x70+1x35
|
19
|
7
|
1.4
|
1.2
|
2.1
|
39.9
|
3782.0
|
≤0.268
|
≤0.524
|
3.5
|
4x95+1x50
|
19
|
19
|
1.6
|
1.4
|
2.3
|
46.0
|
5088.0
|
≤0.193
|
≤0.387
|
3.5
|
4x120+1x70
|
37
|
19
|
1.6
|
1.4
|
2.5
|
51.0
|
6394.0
|
≤0.153
|
≤0.268
|
3.5
|
4x150+1x70
|
37
|
19
|
1.8
|
1.4
|
2.6
|
55.4
|
7725.0
|
≤0.124
|
≤0.268
|
3.5
|
4x185+1x95
|
37
|
19
|
2.0
|
1.6
|
2.8
|
61.9
|
9894.0
|
≤0.0991
|
≤0.193
|
3.5
|
4x240+1x120
|
61
|
37
|
2.2
|
1.6
|
3.0
|
69.7
|
12306.0
|
≤0.0754
|
≤0.153
|
3.5
|
4x300+1x150
|
61
|
37
|
2.4
|
1.6
|
3.2
|
74.3
|
15397.0
|
≤0.0601
|
≤0.124
|
3.5
|
4x400+1x240
|
61
|
37
|
2.6
|
1.6
|
3.4
|
79.1
|
19928.0
|
≤0.0470
|
≤0.0754
|
3.5
|