DZYJ-WZR(A、B)-125地鐵隧道專用電纜
一、執(zhí)行標(biāo)準(zhǔn)standard:
企業(yè)標(biāo)準(zhǔn)Enterprise’s standard
二、適用范圍Applications:
DZYJ-WZR(A、B)-125型電纜適于地鐵隧道.車站等相對密閉、人員集中、以及阻燃.且燃燒時不生產(chǎn)濃煙、無毒.要求苛刻的環(huán)境下使用,特別適合于隧道配電柜與地鐵間的引線。
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、使用特性Properties:
1.產(chǎn)品型號:DZYJ-WZR(A、B)-125(具體規(guī)格參見附表)
Model:DZYJ-WZR-125(details see the attached table)
2.額定電壓750V.1500V
Rated voltage:750V.1500V。3.標(biāo)稱截面0.5--400mm2
Nominal cross section:0.5-400rnm2
4.導(dǎo)體長期工作溫度125℃,短路過載溫度可達(dá)到250℃(5s)
Long-term working temperature is 125℃.Max.working temperature 0f the conductors in short-circuit is 250℃.(5S)
5.電氣性能物理機(jī)械性能優(yōu)異
Good electrical insulation.physical mechanical properties.
6.電纜阻燃性能達(dá)到GB/T18380.1-2001中DZ-1法的要求
Flame-residence conforms to DZ-1 of in GBl8380.1-2001
7.低煙無鹵特性:(1)導(dǎo)電率≤10μs/mm
(2)滿足GB/T1 7651—1 998標(biāo)準(zhǔn)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.煙氣毒性符合GAl32準(zhǔn)安全級的要求。
Smoke poisonous conform to GAl32.
地鐵隧道專用電纜結(jié)構(gòu)參數(shù)表Cable construction
序號 No | 標(biāo)稱截面 | 線芯結(jié)構(gòu) | 電纜最大外徑 mm | 電纜參考重量 kg / km | 20 ℃ 時導(dǎo)體電阻 | ||
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 |
空氣敷設(shè)長期連續(xù)負(fù)荷載流量單位:A
Continuous loading current of cable laid in air
截面 mm 2 | DZY-WZR( A 、 B)-750V | DZY-WZR(A 、 B)-1 500V | ||
接觸 Contact | 非接觸 Non contact | 接觸 Contact | 非接觸 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 |
編制說明Directions:
1、輻照交聯(lián)聚烯烴絕緣地鐵隧道專用電纜連續(xù)負(fù)載電流是依照IEC-287電纜載流量計算標(biāo)準(zhǔn)進(jìn)行計算的.并通過修正確定。
Continuous loading current of cable is calculated and revised per IEC-287
2.地鐵隧道專用電纜的長期工作溫度為125℃。
Long-term working temperature of cable is the cable is 125℃
3、布線方式分為接觸與非接觸兩種.其中非接觸指電纜間的相互距離大于二倍的電纜外徑,接觸即指電纜相互靠在一起或相互間距小于二倍的電纜外徑。
4.周圍環(huán)境溫度以40℃作為基準(zhǔn)溫度。
Environment temperature is supposed 40℃ as basic temperature
環(huán)境溫度變化修正系數(shù)表
The revised coefficient of the environmental temperature change
環(huán)境溫度 E nvironment | 載流量校正系數(shù) Loading current 0f cable revised coefficient | ||||||||
10 | 1 5 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | |
工作溫度 temperature | 1.41 | 1.35 | 1.29 | 1.22 | 1.15 | 1.08 | 1.∞ | O.93 | O.88 |
注:K系指在塑料槽中有負(fù)荷電纜根數(shù)與總的電纜根數(shù)之比(負(fù)荷電纜我指通是流發(fā)熱電纜,信號線除外)。
Note. k= Loading current cables
Total number of the cables
(Loading current cables means cables that generating heat when working excet for signal line)
電纜敷設(shè)于塑料槽中載流量修正系數(shù)表
The revised coefficient of the cable loading current lay in plastic flume
電纜層數(shù) | 同時工作系數(shù) 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 |
電纜穿管敷時載流量修正系數(shù)表
The revised coefficient of the cable loading current lay in tube
穿管根數(shù) | 修正系數(shù) |
2 ~ 4 | 0.80 |
5 ~ 8 | 0.60 |
9 ~ 12 | 0.50 |
12 以上 | 0.45 |
注:
1.穿管根數(shù)指有負(fù)荷發(fā)熱的電纜根數(shù)。
2.穿管線的體積不超過管體積的40%。
3.當(dāng)管并列敷設(shè)時乘0.95修正系數(shù)。
Note:
1) The number of the cable in tube means the number of the cables which generates heat while loading
2)The cable’s volume is not more than 40% of the rube’s volume.
3)When cable laid stand by stand,multiply the revised coefficient with 0.95