DZYJ-WZR地铁隧道电缆介绍:DZYJ-WZR(A、B)-125型电缆适于地铁隧道.车站等相对密闭、人员集中、以及阻燃.且燃烧时不生产浓烟、无毒.要求苛刻的环境下使用,特别适合于隧道配电柜与地铁间的引线。
一、执行标准standard:
企业标准Enterprise’s standard
二、适用范围Applications:
DZYJ-WZR(A、B)-125型电缆适于地铁隧道.车站等相对密闭、人员集中、以及阻燃.且燃烧时不生产浓烟、无毒.要求苛刻的环境下使用,特别适合于隧道配电柜与地铁间的引线。
Suitable for subway.tunnel.station etc with crowded people wherever requires higher flame-residence less amount of smoke and poisonous when burning halogen gas.Especially suitable for installation and laid wire between power cabinet and railway in tunnel.
三、DZYJ-WZR地铁隧道电缆使用特性Properties:
1.产品型号:DZYJ-WZR(A、B)-125(具体规格参见附表)
Model:DZYJ-WZR-125(details see the attached table)
2.额定电压750V.1500V
Rated voltage:750V.1500V。3.标称截面0.5--400mm2
Nominal cross section:0.5-400rnm2
4.导体长期工作温度125℃,短路过载温度可达到250℃(5s)
Long-term working temperature is 125℃.Max.working temperature 0f the conductors in short-circuit is 250℃.(5S)
5.电气性能物理机械性能优异
Good electrical insulation.physical mechanical properties.
6.电缆阻燃性能达到GB/T18380.1-2001中DZ-1法的要求
Flame-residence conforms to DZ-1 of in GBl8380.1-2001
7.低烟无卤特性:
(1)导电率≤10μs/mm
(2)满足GB/T1 7651—1 998标准要求.其透光率≥60%
(3)PH值≥4.3
Low smoke non-halogen property:(1)Conductivity≤1 O μs/mm
(2)Density transparence of cable flaming smoke≥60% conforming
to GB/T17651—1998
(3)PH≥4.3
8.烟气毒性符合GAl32准安全级的要求。
Smoke poisonous conform to GAl32.
地铁隧道专用电缆结构参数表Cable construction
地铁隧道专用电缆结构参数表Cable construction
序号 No | 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 | O.75 | 19 / O.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 / O.32 | 4.50 | 5.30 | 31 | 33 | 12.8 |
5 | 2.5 | 19 / 0.41 | 5.20 | 6.00 | 40 | 44 | 7.74 |
6 | 4.O | 19 / 0.52 | 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 / O.58 | 11.3 | 12.1 | 296 | 313 | 0.78 |
11 | 35 | 133 / O.58 | 12.9 | 13.7 | 414 | 434 | O.557 |
12 | 50 | 133 / 0.68 | 14.6 | 15.0 | 548 | 570 | O.414 |
13 | 70 | 189 / O.68 | 16.0 | 16.4 | 760 | 786 | 0.227 |
14 | 95 | 259 / O.68 | 18.2 | 18.6 | 993 | 1021 | 0.210 |
15 | 120 | 259 / O.76 | 20.2 | 20.6 | 1250 | 1288 | 0.164 |
16 | 150 | 336 / O.74 | 22.2 | 22.6 | 1538 | 1576 | O.132 |
17 | 185 | 427 / 0.74 | 24.8 | 25.2 | 1 846 | 1901 | O.108 |
18 | 240 | 427 / 0.85 | 28.4 | 28.8 | 2446 | 2468 | 0.0817 |
19 | 300 | 518 / O.85 | 32.2 | 32.8 | 2995 | 3042 | 0.0654 |
20 | 400 | 703 / 0.85 | 36.4 | 36.8 | 4530 | 4613 | 0.0490 |
截面 mm 2 | DZY-WZR( A 、 B)-750V | DZY-WZR(A 、 B)-1 500V | ||
接触 Contact | 非接触 Non contact | 接触 Contact | 非接触 Noncontact | |
0.5 | 12 | 19 | 13 | 19 |
0.75 | 24 | 16 | 25 | 17 |
1.0 | 28 | 18 | 29 | 20 |
1.5 | 35 | 23 | 36 | 25 |
2.5 | 47 | 32 | 49 | 34 |
4.0 | 65 | 44 | 67 | 47 |
6.0 | 84 | 58 | 86 | 61 |
10 | 121 | 86 | 121 | 88 |
16 | 159 | 115 | 160 | 117 |
25 | 208 | 152 | 210 | 154 |
35 | 262 | 191 | 262 | 194 |
50 | 330 | 245 | 331 | 248 |
70 | 418 | 314 | 418 | 316 |
95 | 504 | 381 | 504 | 384 |
120 | 594 | 453 | 594 | 456 |
150 | 683 | 523 | 683 | 528 |
185 | 785 | 603 | 784 | 607 |
240 | 947 | 732 | 945 | 736 |
300 | 1105 | 856 | 1102 | 860 |
400 | 1077 | 1380 | 1079 | 1368 |
环境温度 E nvironment | 载流量校正系数 Loading current 0f cable revised coefficient | ||||||||
10 | 1 5 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | |
工作温度 temperature | 1.41 | 1.35 | 1.29 | 1.22 | 1.15 | 1.08 | 1.∞ | O.93 | O.88 |
Total number of the cables
(Loading current cables means cables that generating heat when working excet for signal line)
电缆敷设于塑料槽中载流量修正系数表
The revised coefficient of the cable loading current lay in plastic flume
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 |
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 |