使用11KV铜芯XLPE SWA电力电缆240mm2铠装电力电缆的功能

1.额定电压：Uo / U：3.6 / 6kV，6 / 10kV（11kV），12 / 20kV（24kV），19 / 33kV，26 / 35kV（35kV）。

2.核心数：单核心或三核心。

3.导体长期工作的高允许工作温度为90oC。处于短路状态（长长不超过5秒）。导体的高温度不超过250℃。

4.导体的直流电阻符合3.6 / 6kV，6 / 10kV（11kV），12 / 20kV（24kV），19 / 33kV，26 / 35kV（35kV）的规定。

5.铺设时环境温度应不低于0oC。否则应将其预热。

6.敷设电缆时没有水平跌落限制。

7.工作频率电压测试：3.5Uo / 5min无刺穿。

8.部分放电测试：电缆在1.73Uo下的放电量应不超过10pC。

9.小弯曲半径

单芯-固定：15 x整体直径

3芯-固定：12 x直径

（单芯12 x外径和3芯10 x外径，其中带位于接点或端接附近，但前提是使用成型机小心控制弯曲度）

注意：

单芯铠装电缆仅用于直流系统。如果用于交流系统，则应在非磁性材料的钢制衣橱钢丝上进行磁隔离。

8.7 / 10,8.7 / 15kv单芯交联聚乙烯绝缘聚氯乙烯护套电力电缆（YJV，YJLV）
标称
交叉-
断面
面积
电缆
 ath Th-
近似度
Quter Dl-
公尺
能约
重量
的
电缆直流
实境
电缆数量
在20°C A.C Reals下
在
操作
温度
铜铝铜铝铜铝铜铝
mm2mm mm mm mm kg / km kg / kmΩ/ KmΩ/ KmΩ/ KmΩ/ Km
25 4.5 1.8 23.0 23.0 775617 0.727 1.200 0.9271 1.5385
35 4.5 1.8 24.0 24.0 899 678 0.524 0.868 0.6683 1.1130
50 4.5 1.8 26.0 26.0 1073 757 0.387 0.641 0.4936 0.8220
70 4.5 1.8 27.0 27.0 1308 866 0.268 0.443 0.3420 0.5681
95 4.5 1.8 29.0 29.0 1596 996 0.193 0.320 0.2465 0.4105
120 4.5 1.9 30.0 30.0 1874 1116 0.153 0.253 0.1956 0.3247
150 4.5 1.9 32.0 32.0 2194 1250 0.124 0.206 0.1588 0.2645
185 4.5 2.0 34.0 34.0 2649 1481 0.0991 0.164 0.1272 0.2108
240 4.5 2.1 36.0 36.0 3234 1719 0.0754 0.125 0.0972 0.1609
300 4.5 2.1 38.0 38.0 3865 1971 0.0601 0.100 0.0780 0.1290
400 4.5 2.2 42.0 42.0 4830 2354 0.0407 0.0778 0.0616 0.1010
500 4.5 2.4 44.0 44.0 5795 2737 0.0366 0.0605 0.0489 0.0789

 城市电缆
感应反应
阻碍
由于
电缆正极
负
顺序
阻抗零序
阻抗短路
当前
Cu AL Cu AL导体屏蔽
铜
铜带
铜丝
铜带
铜铜铝铜
铜带
线
uF / Km MH / KmΩ/ KmΩ/ KmΩ/ KmΩ/ KmΩ/ KmΩ/ KmΩ/ Km KA KA KA KA
0.1576 0.6474 0.2033 0.9491 1.5520 6.6866 2.2149 7.2980 2.8525 3.69 2.42 1.094 3.540
0.1725 0.6248 0.1962 0.6965 1.1302 6.4358 1.9581 6.8804 2.4290 5.15 3.37 1.092 3.536
0.1917 0.6011 0.1877 0.5284 0.8434 6.2690 1.7854 6.5974 2.4209 7.31 4.79 1.091 3.532
0.2167 0.5765 0.1810 0.3889 0.5962 6.1283 1.6355 6.3544 1.8880 10.2 6.68 1.090 3.527
0.2400 0.5608 0.1761 0.3029 0.4467 6.0548 1.0685 6.2188 1.2477 13.8 9.02 1.066 5.494
0.2603 0.5473 0.1719 0.2604 0.3674 5.4785 1.0185 6.2920 1.1628 17.4 11.4 1.266 5.489
0.2834 0.5341 0.1677 0.2310 0.3132 5.1310 0.9826 5.2368 1.1036 21.7 14.2 1.285 5.484
0.3123 0.5252 0.1649 0.2083 0.2676 5.0985 0.7214 5.1821 0.8181 26.7 17.5 1.266 7.680
0.3439 0.5143 0.1615 0.1885 0.2280 5.0854 0.6932 5.1491 0.7682 34.6 22.6 1.266 7.659
0.3755 0.5032 0.1580 0.1762 0.2024 5.0711 0.6748 5.1222 0.7373 43.1 26.2 1.261 7.652
0.4213 0.4927 0.1547 0.1665 0.1848 5.0788 0.6613 5.1182 0.7092 57.4 37.6 1.256 7.622
0.4613 0.4848 0.1522 0.1599 0.1747 5.0821 0.6495 5.1121 0.6851 71.7 47.0 1.253 7.603

四、使用特性Using features

（1）额定电压U0/U分为0.6/1kV、1.8/3kV、6/6kV、8.7/10kV、8.7/15kV、21/35kV、26/35kV；

（2）导体长期循序的高工作温度为90℃，短路时（长持续时间不超过5秒），电缆导体的高温度不超过250℃；

（3）导体直流电阻符合GB/T3956的规定；

（4）敷设时的环境温度不低于0℃，低于0℃时应先预热。小弯曲半径不小于电缆外径的15倍

（5）电缆敷设不受落差限制；

(6)工频耐电压试验；

U0为3.6kV及以下电缆；2.5U0+2kV/5rain不击穿；

U0为3.6kV~18kV电缆；3.5U0+2kV/5rain不击穿；

U0为21kV及26kV以下电缆；2.5U0/30rain不击穿；

(7)局部放电试验；1.73U0下放电量不大于10PC;

（8）阻燃特性；阻燃电缆能经受GB/T18380.3规定的成束燃烧试验。耐火电缆能经受GB/他9216.21规定耐火试验。

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