一、執行標準standard:
企業(yè)標準Enterprise’s standard
二、適用范圍Applications:
DZYJ-WZR(A、B)-125型電纜適于地鐵隧道.車(chē)站等相對密閉、人員集中、以及阻燃.且燃燒時(shí)不生產(chǎn)濃煙、無(wú)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(xiàn)。
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(具體規格參見(jiàn)附表)
Model:DZYJ-WZR-125(details see the attached table)
2.額定電壓750V.1500V
Rated voltage:750V.1500V。3.標稱(chēng)截面0.5--400mm2
Nominal cross section:0.5-400rnm2
4.導體長(cháng)期工作溫度125℃,短路過(guò)載溫度可達到250℃(5s)
Long-term working temperature is 125℃.Max.working temperature 0f the conductors in short-circuit is 250℃.(5S)
5.電氣性能物理機械性能優(yōu)異
Good electrical insulation.physical mechanical properties.
6.電纜阻燃性能達到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(wú)鹵特性:(1)導電率≤10μs/mm
(2)滿(mǎn)足GB/T1 7651—1 998標準要求.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準安全級的要求。
Smoke poisonous conform to GAl32.
地鐵隧道專(zhuān)用電纜結構參數表Cable construction
序號 No |
標稱(chēng)截面 |
線(xiàn)芯結構 |
電纜最大外徑 mm |
電纜參考重量 kg / km |
20 ℃ 時(shí)導體電阻 |
||
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 |
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 |
1、輻照交聯(lián)聚烯烴絕緣地鐵隧道專(zhuān)用電纜連續負載電流是依照IEC-287電纜載流量計算標準進(jìn)行計算的.并通過(guò)修正確定。
Continuous loading current of cable is calculated and revised per IEC-287
2.地鐵隧道專(zhuān)用電纜的長(cháng)期工作溫度為125℃。
Long-term working temperature of cable is the cable is 125℃
3、布線(xiàn)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?chē)h(huán)境溫度以40℃作為基準溫度。
Environment temperature is supposed 40℃ as basic temperature
環(huán)境溫度變化修正系數表
The revised coefficient of the environmental temperature change
環(huán)境溫度 E nvironment |
載流量校正系數 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 |
Note. k= Loading current cables
Total number of the cables
(Loading current cables means cables that generating heat when working excet for signal line)
電纜敷設于塑料槽中載流量修正系數表
The revised coefficient of the cable loading current lay in plastic flume
電纜層數 |
同時(shí)工作系數 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 |
The revised coefficient of the cable loading current lay in tube
穿管根數 |
修正系數 |
2 ~ 4 |
0.80 |
5 ~ 8 |
0.60 |
9 ~ 12 |
0.50 |
12 以上 |
0.45 |
1.穿管根數指有負荷發(fā)熱的電纜根數。
2.穿管線(xiàn)的體積不超過(guò)管體積的40%。
3.當管并列敷設時(shí)乘0.95修正系數。
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
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