常用电缆载流量选型计算.docx
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常用电缆载流量选型计算
VV电缆
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
1.5
6.1
24
29
3*1.5
11
17
22
2.5
6.5
31
38
3*2.5
11.9
22
29
4
7.4
41
49
3*4
14.9
29
38
6
7.9
52
61
3*6
14.9
37
47
10
9.2
72
83
3*10
17.6
52
65
16
10.3
95
105
3*16
19.9
68
85
25
12
120
135
3*25
23.7
91
110
35
13.1
150
160
3*35
26.1
112
134
50
14.9
180
195
3*50
26.4
133
159
70
16.9
230
240
3*70
29.8
171
199
95
19.3
280
285
3*95
33.8
209
237
120
21.1
325
325
3*120
36.7
242
271
150
23.1
375
365
3*150
40.2
282
305
185
25.6
430
415
3*185
45.6
329
346
240
28.9
510
480
3*240
51.7
392
400
300
31.7
585
545
3*300
56.1
450
455
400
33
690
625
500
37.2
800
710
630
40.5
920
810
3*4+1*2.5
14.4
30
38
3*4+2*2.5
15.3
30
38
3*6+1*4
15.8
38
48
3*6+2*4
17
39
48
3*10+1*6
18.5
52
66
3*10+2*6
19.7
53
66
3*16+1*10
21.1
69
86
3*16+2*10
22
71
87
3*25+1*16
25
93
111
3*25+2*16
26.8
94
110
3*35+1*16
27.1
113
134
3*35+2*16
28.9
115
132
3*50+1*25
32.4
141
163
3*50+2*25
34.2
141
157
3*70+1*35
36.1
180
203
3*70+2*35
38.8
181
197
3*95+1*50
40.2
221
242
3*95+2*50
44.4
222
234
3*120+1*70
45.1
258
276
3*120+2*70
49
259
266
3*150+1*70
46.8
298
310
3*150+2*70
53.7
294
298
3*185+1*95
53.9
343
349
3*185+2*95
60
340
338
3*240+1*120
63.3
408
406
3*240+2*120
67.5
407
395
3*300+1*150
64.1
479
462
3*300+2*150
75.1
474
449
VV22电缆
3*4
17
29
36
3*6
18.1
37
45
10
13
70
80
3*10
20.8
50
60
16
14
93
102
3*16
23.1
66
79
25
15.7
118
131
3*25
26.9
90
105
35
16.9
147
156
3*35
29.3
111
127
50
18.7
176
191
3*50
31.2
129
148
70
20.5
224
233
3*70
34.4
165
185
95
22.7
275
279
3*95
38.6
206
221
120
24.4
319
319
3*120
41.7
242
261
150
26.4
368
359
3*150
45.5
281
296
185
28.7
425
409
3*185
51
328
337
240
31.9
504
475
3*240
57.3
386
389
300
36.2
579
540
3*300
61.5
445
441
400
39.7
685
620
3*4+1*2.5
17.6
30
37
3*4+2*2.5
18.5
30
37
3*6+1*4
19.1
38
46
3*6+2*4
20.2
38
47
3*10+1*6
21.8
52
64
3*10+2*6
22.9
53
64
3*16+1*10
25.5
70
84
3*16+2*10
26
71
84
3*25+1*16
28.2
93
108
3*25+2*16
30.2
94
107
3*35+1*16
30.5
113
130
3*35+2*16
33.5
116
129
3*50+1*25
37
142
158
3*50+2*25
38.8
141
154
3*70+1*35
40.7
181
198
3*70+2*35
43.6
182
193
3*95+1*50
45
222
236
3*95+2*50
49.4
222
229
3*120+1*70
49.7
258
269
3*120+2*70
55
256
261
3*150+1*70
52
297
303
3*150+2*70
59.1
291
291
3*185+1*95
59.5
338
340
3*185+2*95
65.6
337
331
3*240+1*120
69.5
404
396
3*240+2*120
73.7
401
385
3*300+1*150
70
472
450
3*300+2*150
81.5
462
439
YJV-0.6/1KV电缆
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
1.5
5.79
32
3*1.5
10.1
21
28
2.5
6.19
42
43
3*2.5
11
28
37
4
6.66
56
57
3*4
12
37
48
6
7.17
70
74
3*6
13.1
47
61
10
8.21
97
93
3*10
15.3
64
82
16
9.21
125
127
3*16
17.5
85
107
25
10.83
165
167
3*25
21
115
138
35
11.83
200
216
3*35
23.1
140
165
50
13.34
245
261
3*50
23.4
168
198
70
15.25
305
311
3*70
27.4
213
242
95
17.06
375
388
3*95
30.6
263
290
120
18.67
435
461
3*120
34
307
330
150
20.9
500
527
3*150
38.6
357
371
185
22.92
585
592
3*185
43.3
415
418
240
25.54
685
671
3*240
48.1
498
485
300
28.16
795
781
3*300
52.2
575
548
400
31.99
930
886
500
35.42
1080
1170
3*4+1*2.5
12.7
37
47
3*4+2*2.5
14
38
48
3*6+1*4
13.9
47
60
3*6+2*4
15.3
48
60
3*10+1*6
16.1
64
81
3*10+2*6
17.6
65
81
3*16+1*10
18.6
85
106
3*16+2*10
20.3
87
106
3*25+1*16
22.2
113
137
3*25+2*16
24
116
136
3*35+1*16
24.6
139
164
3*35+2*16
25.9
141
164
3*50+1*25
27.7
173
198
3*50+2*25
30.4
174
195
3*70+1*35
31.9
222
246
3*70+2*35
34.8
224
242
3*95+1*50
36.2
271
293
3*95+2*50
39.7
272
286
3*120+1*70
39.9
318
334
3*120+2*70
44.6
320
327
3*150+1*70
45
370
375
3*150+2*70
48.6
367
366
3*185+1*95
49.4
427
422
3*185+2*95
54
424
415
3*240+1*120
54.9
507
492
3*240+2*120
60.2
508
484
3*300+1*150
62.9
599
560
3*300+2*150
66.6
592
550
YJV22-0.6/1KV电缆
3*4
15.2
37
45
3*6
16.3
46
57
3*10
18.6
63
77
3*16
20.7
83
100
25
14.7
162
202
3*25
24.2
112
131
35
15.7
197
244
3*35
26.4
137
158
50
17.2
237
292
3*50
26.8
163
187
70
19.1
299
365
3*70
32
211
233
95
20.7
361
437
3*95
35.4
255
277
120
22.3
417
500
3*120
38.8
298
317
150
24.3
483
566
3*150
43.4
348
358
185
26.4
556
643
3*185
48.5
403
403
240
28.8
666
752
3*240
53.5
480
468
300
31.4
768
856
3*300
57.6
549
531
400
36.4
920
992
500
39.8
1084
1140
3*4+1*2.5
15.9
37
45
3*4+2*2.5
17.2
38
46
3*6+1*4
17.1
47
57
3*6+2*4
18.5
48
58
3*10+1*6
19.3
64
78
3*10+2*6
20.8
65
78
3*16+1*10
21.8
85
102
3*16+2*10
23.5
87
102
3*25+1*16
25.4
114
132
3*25+2*16
27.2
116
132
3*35+1*16
27.8
139
158
3*35+2*16
30.7
142
159
3*50+1*25
31.1
172
192
3*50+2*25
35
176
190
3*70+1*35
36.7
233
239
3*70+2*35
39.4
224
236
3*95+1*50
40.8
273
286
3*95+2*50
44.7
272
279
3*120+1*70
44.7
319
325
3*120+2*70
49.8
319
318
3*150+1*70
50
369
365
3*150+2*70
53.8
365
357
3*185+1*95
54.4
421
412
3*185+2*95
59.4
420
405
3*240+1*120
60.1
503
480
3*240+2*120
66
500
471
3*300+1*150
68.3
590
546
3*300+2*150
72.6
581
536
YJV-8.7/10KV,8.7/15KV电缆
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
25
21.4
165
160
3*25
44.7
123
153
35
22.6
205
190
3*35
47.1
148
183
50
23.9
245
225
3*50
50.1
178
218
70
25.6
305
275
3*70
53.9
246
266
95
27.4
370
330
3*95
57.6
267
318
120
29.4
430
375
3*120
61.7
308
361
150
31
490
425
3*150
65.3
335
406
185
32.8
560
480
3*185
69
394
461
240
35
665
555
3*240
74.1
465
529
300
37.4
765
630
3*300
79.1
528
593
400
40.8
890
725
3*400
86.6
522
682
500
45.1
1030
825
630
48.7
1190
940
YJV22-8.7/10KV,8.7/15KV电缆
3*25
49.7
126
154
3*35
52.3
151
184
3*50
55.3
181
218
3*70
59.1
225
267
3*95
63
273
318
3*120
67.3
311
360
3*150
71.1
353
404
3*185
75.2
402
456
3*240
80.3
473
531
3*300
86.9
540
598
3*400
94.6
640
692
YJV32-8.7/10KV,8.7/15KV电缆
25
28
155
35
29.2
195
50
30.5
235
70
32.2
296
95
34.8
359
120
36.8
420
150
38.4
480
185
40
549
240
42.4
654
300
44.8
754
400
49.4
881
500
53.7
1020
630
57.5
1179
YJV-6/6KV,6/10KV电缆
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Laidin
theair
(A)
Laidunder
ground
(A)
25
18
165
160
3*25
39.5
120
154
35
20.2
205
190
3*35
41.8
140
184
50
21.5
245
225
3*50
44.9
174
218
70
23.4
305
275
3*70
48.8
215
267
95
24.6
370
330
3*95
52.4
262
318
120
27
430
375
3*120
56.5
303
360
150
28.6
490
425
3*150
60.2
345
404
185
30.4
560
480
3*185
64
394
456
240
32.8
665
555
3*240
69
464
531
300
35
765
630
3*300
74.1
531
598
400
38.4
890
725
3*400
81.5
626
692
500
42.7
1030
825
630
46.3
1190
940
YJV22-6/6KV,6/10KV电缆
3*25
44.3
123
154
3*35
46.7
149
185
3*50
49.9
178
218
3*70
53.8
220
264
3*95
57.6
268
318
3*120
62.1
307
360
3*150
65.8
350
406
3*185
69.6
400
459
3*240
74.8
472
533
3*300
80.1
539
603
3*400
638
638
694
YJV32-6/6KV,6/10KV电缆
25
25.8
155
149
35
26.8
195
180
50
28.1
236
216
70
30
295
264
95
31.6
361
320
120
33.6
421
365
150
36
481
415
185
37.6
549
469
240
40
655
546
300
42.4
755
620
400
45.8
881
714
500
51.3
1020
814
630
55.1
1180
931
0.6/1KV单芯XLPE/PVC预分支电力电缆
No.ofcores*Nominal
cross-sectionalarea
(㎜2)
Approx.Overall
diameter
(㎜)
Juxtapose
permutation
Ratedcurrent
(A)
Voltage
drop
(V/A.m)*10
10
8
85
2