WZR-DZY地铁隧道电缆介绍:该电缆适用于地铁.隧道.车站等相对密闭人员集中.有很高的阻燃要求.且特别要求在燃烧时不生产浓烟,有毒害作用的卤酸气体及严禁燃烧产生“二次灾害”的苛刻环境下使用。尤其适用于隧道沿线及配电柜与地铁之间的敷设。
一、执行标准standard:
企业标准Enterprise’s standard
二.适用范围Applications:
该电缆WZR-DZY地铁隧道电缆适用于地铁.隧道.车站等相对密闭人员集中.有很高的阻燃要求.且特别要求在燃烧时不生产浓烟,有毒害作用的卤酸气体及严禁燃烧产生“二次灾害”的苛刻环境下使用。尤其适用于隧道沿线及配电柜与地铁之间的敷设。
Suitable for subway.tunnel,station etc with crowded people wherever requires higher flame-retardant,less amount of smoke and poisonous halogen gas when burning and not cause“the second disaster”.Especially suitable for installation and laid along tunnel line.power cabinet and rai1way.
三、使用特性Properties:
1.产品型号:WZR-DZY(具体规格参见附表)
Model:WZR-DZY(detail is see the attached table)
注:①WZR(A、B)-DZY WZR(A、B)-DZY均与上型号等效。
②阻燃级别:WZRA--为A类低烟无卤阻燃
WZRB--为B类低烟无卤阻燃
WZR---为c类低烟无卤阻燃
2.额定电压750V,1500V
Rated voltage:750V.1500V
3.标称截面O.5-400mm2
Nominal cross section area:O.5-400mm2
4.导体长期工作温度70℃,短路过载温度可达到130℃(5s)
Permissible long-term working temperature is 70℃.Max.working temperature of the conductors in short- circuit is 130℃.(5S)
5.电缆最小允许弯曲半径不超过电缆直径的15倍。
Allowed Min.bending radius are not more than 1 5 times 0f cable O.D.
6.电绝缘性能,物理机械性能优异
Possessing good electrical insulation performance,physical mechanical properties.
7.电缆阻燃性能达到GB/T18380.3-2001电缆成束燃烧试验A、B、C类(IEC332-3)的要求
Flame-residence comforts to the requirement of GB/T1 8380.3-2001(IEC332-3)
8、低烟特性:满足GB/T17650-1998,GB/T17651—1998的要求
Low-smoke property comforts to GB/T17650-1 998.GB/T17651—1 9989.
9、无卤特性:(1)导电率≤10 μs/mm
(2)PH值≥4.3
Non-halogen property:(1)Conductivity≤10 μs/ram
(2)PH≥4.3
10、烟气毒性符合GAl32准安全级的要求。
Smoke poisonous conform to GAl32.
WZR-DZY地铁隧道电缆空气敷设长期连续负荷载流量单位:A
Continue loading current of cable laid in air
截面 mm 2Cross Section | DZY-WZR(A 、 B)-750V | DZY-WZR(A 、 B)-1500V | ||
接触 Contact | 非接触 Non contact | 接触 Contact | 非接触 Non contact | |
0.5 | 7 | 9 | 6 | 8 |
0.75 | 10 | 13 | 10 | 12 |
1.0 | 15 | 17 | 1 5 | 16 |
1.5 | 19 | 22 | 1 9 | 21 |
2.5 | 26 | 29 | 25 | 27 |
4.0 | 34 | 38 | 32 | 37 |
6.O | 44 | 48 | 42 | 46 |
10 | 62 | 70 | 60 | 68 |
16 | 85 | 94 | 80 | 92 |
25 | 110 | 121 | 105 | 117 |
35 | 135 | 150 | 129 | 146 |
50 | 170 | 188 | 163 | 183 |
70 | 220 | 244 | 211 | 240 |
95 | 270 | 302 | 259 | 296 |
120 | 320 | 358 | 307 | 350 |
185 | 425 | 469 | 412 | 461 |
240 | 510 | 572 | 497 | 562 |
300 | 570 | 632 | 551 | 622 |
400 | 690 | 760 | 668 | 758 |
序号 | 标称截面 | 线芯结构 | 电缆最大外径 mm | 电缆参考重量 kg / km | 20 ℃ 时导体电阻 | |||
750V | 1500V | 750V | 1500V | |||||
1 | 0.5 | 16 / 0.2 | 3.60 | 4.20 | 14 | 16 | 40.1 | |
2 | 0.75 | 19 / 0.23 | 3.80 | 4.40 | 17 | 19 | 25.6 | |
3 | 1.0 | 19 / 0.26 | 4.10 | 5.00 | 23 | 26 | 19.9 | |
4 | 1.5 | 19 / 0.32 | 4.50 | 5.30 | 31 | 33 | 12.8 | |
5 | 2.5 | 16 / 0.2 | 5.20 | 6.00 | 40 | 44 | 7.74 | |
6 | 4.0 | 19 / 0.23 | 6.00 | 6.80 | 61 | 66 | 4.97 | |
7 | 6.0 | 19 / 0.64 | 6.70 | 7.40 | 85 | 91 | 3.35 | |
8 | 10 | 49 / 0.52 | 8.30 | 9.10 | 138 | 150 | 1.95 | |
9 | 16 | 49 / 0.64 | 9.40 | 10.8 | 196 | 210 | 1.24 | |
10 | 25 | 98 / 0.58 | 11.3 | 12.1 | 296 | 313 | O.78 | |
11 | 35 | 133 / 0.68 | 12.9 | 13.7 | 414 | 434 | 0.557 | |
12 | 50 | 133 / 0.68 | 14.6 | 15.0 | 548 | 570 | O.414 | |
13 | 70 | 189 / 0.68 | 16.0 | 16.4 | 760 | 786 | 0.227 | |
14 | 95 | 259 / 0.68 | 18.2 | 18.6 | 993 | 1021 | 0.210 | |
15 | 120 | 259 / 0.76 | 20.2 | 20.6 | 1250 | 1288 | O.164 | |
16 | 150 | 336 / 0.74 | 22.2 | 22.6 | 1538 | 1576 | 0.132 | |
17 | 185 | 427 / 0.85 | 24.8 | 25.2 | 1846 | 1901 | 0.108 | |
18 | 240 | 427 / 0.85 | 28.4 | 28.8 | 2446 | 2468 | 0.0817 | |
19 | 300 | 518 / 0.85 | 32.2 | 32.8 | 2995 | 3042 | O.0654 | |
20 | 400 | 703 / 0.85 | 36.4 | 36.8 | 4530 | 461 3 | 0.0490 |
载流量校正系数 Loading current of cable revised coefficient | |||||||||
环境温度 E nvironment | 10 | 1 5 | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
工作温度 temperature Working temperature 70 ℃ | 1.41 | 1.35 | 1.29 | 1.22 | 1.15 | 1.08 | 1.00 | O.93 | O.88 |
电缆层数 | 同时工作系数 K Coefficient K | ||
1.00 | O.80 | 0.50 | |
1 | 0.64 | 0.80 | 0.95 |
2 | 0.50 | 0.75 | 0.90 |
3 | 0.45 | O.70 | 0.85 |
4 | 0.40 | 0.65 | 0.80 |
Total number of the cables
(Loading current cables means cables that generating heat when working excet for signal line)
电缆穿管敷时载流量修正系数表
The revised coefficient of the cable loading current lay in tube
穿管根数 | 修正系数 |
2 ~ 4 | 0.80 |
5 ~ 8 | 0.60 |
9 ~ 12 | 0.50 |
12 以上 | 0.45 |