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| 交联聚乙烯绝缘电力电缆直埋地敷设的载流量 |
作者：本站 来源：www.elecfans.com 发布时间：2008-6-28 1:24:20  减小字体  增大字体 |
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交联聚乙烯绝缘电力电缆直埋地敷设的载流量（ρτ=1.2℃×m/W）
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截面
(mm2) |
0.6/1KV(A) θn=90℃ |
6/6KV~8.7/10KV(A)θn=90℃ |
26/35KV(A)
θnθn=80℃ |
|
4 芯 |
单芯θn=30℃ |
3 芯 |
单芯θn=30℃ |
3芯 |
单芯θn30℃ |
|
20℃ |
25℃ |
30℃ |
|
|
|
20℃ |
25℃ |
30℃ |
|
|
|
25℃ |
|
|
|
铝
芯 |
4 |
42 |
40 |
38 |
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
47 |
45 |
43 |
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
62 |
60 |
58 |
|
|
|
|
|
|
|
|
|
|
|
|
|
16 |
83 |
80 |
77 |
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
104 |
100 |
96 |
|
|
|
109 |
105 |
101 |
|
|
|
|
|
|
|
35 |
125 |
120 |
115 |
|
|
|
130 |
125 |
120 |
|
|
|
|
|
|
|
50 |
146 |
140 |
136 |
|
|
|
151 |
145 |
139 |
|
|
137 |
|
|
|
|
70 |
182 |
175 |
168 |
|
|
|
187 |
180 |
173 |
215 |
205 |
172 |
|
|
|
|
95 |
218 |
210 |
202 |
|
|
|
224 |
215 |
206 |
255 |
235 |
206 |
|
|
|
|
120 |
244 |
235 |
226 |
|
|
|
255 |
245 |
235 |
280 |
265 |
224 |
|
|
|
|
150 |
276 |
265 |
254 |
|
|
|
286 |
275 |
264 |
320 |
305 |
243 |
|
|
|
|
185 |
317 |
305 |
293 |
|
|
|
322 |
310 |
298 |
350 |
335 |
|
|
|
|
|
240 |
369 |
355 |
341 |
|
|
|
374 |
360 |
346 |
400 |
390 |
|
|
|
|
|
300 |
|
|
|
|
|
|
|
|
|
440 |
430 |
|
|
|
|
|
400 |
|
|
|
|
|
|
|
|
|
505 |
515 |
|
|
|
|
|
500 |
|
|
|
|
|
|
|
|
|
555 |
575 |
|
|
|
|
|
630 |
|
|
|
|
|
|
|
|
|
610 |
640 |
|
|
|
|
|
铜
芯 |
4 |
52 |
50 |
48 |
|
|
|
|
|
|
|
|
|
|
|
|
|
6 |
62 |
60 |
58 |
|
|
|
|
|
|
|
|
|
|
|
|
|
10 |
83 |
80 |
77 |
|
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