详细介绍: 高压电缆厂家直销:26/35kV高压电缆
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表15 26/35kV电缆载流量
Table15 26/35kV current carrying of cable
敷设条件:导体最高温度:90℃; 环境空气温度:40℃; 土壤温度:20℃;
土壤热阻系数1.0℃•m/W,单根敷设。
Lay conditions:The maximum temperature of conductor:90℃ , Ambient temperature:40℃,soil temperature: 20℃;Soil thermal resistivity 1.0℃•m/W,Single laying。
导体标称截面/
mm2
Nominal cross area of conductor/mm2
|
非铠装电缆Unarmored
|
铠装电缆Armoured
|
单芯 singe—core
|
三芯three—core
|
三芯three—core
|
铜芯
Copper core
|
铝芯
Aluminium core.
|
铜芯
Copper core
|
铝芯
Aluminium core.
|
铜芯
Copper core
|
铝芯
Aluminium core.
|
空气中
In air
|
土壤中
Buried
|
空气中
In air
|
土壤中
Buried
|
空气中
In air
|
土壤中
Buried
|
空气中
In air
|
土壤中
Buried
|
空气中
In air
|
土壤中
Buried
|
空气中
In air
|
土壤中
Buried
|
50
|
245
|
225
|
190
|
175
|
215
|
212
|
165
|
170
|
210
|
212
|
165
|
164
|
70
|
305
|
275
|
2356
|
215
|
270
|
265
|
210
|
201
|
260
|
260
|
200
|
201
|
95
|
370
|
330
|
285
|
255
|
325
|
313
|
250
|
244
|
330
|
313
|
255
|
244
|
120
|
425
|
375
|
330
|
290
|
370
|
355
|
290
|
276
|
360
|
350
|
280
|
270
|
150
|
485
|
420
|
375
|
325
|
425
|
398
|
330
|
313
|
410
|
392
|
320
|
302
|
185
|
555
|
475
|
430
|
370
|
480
|
450
|
375
|
350
|
465
|
445
|
365
|
345
|
240
|
650
|
555
|
505
|
430
|
565
|
525
|
440
|
408
|
545
|
514
|
425
|
398
|
300
|
745
|
630
|
580
|
492
|
645
|
588
|
505
|
461
|
610
|
567
|
475
|
445
|
400
|
870
|
720
|
680
|
565
|
750
|
673
|
590
|
530
|
—
|
—
|
—
|
—
|
500
|
910
|
830
|
750
|
655
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
630
|
1020
|
950
|
855
|
755
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
800
|
1130
|
1080
|
960
|
865
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
1000
|
1210
|
1190
|
1050
|
960
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
1200
|
1270
|
1270
|
1120
|
1050
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
—
|
|