高鐵輕軌地鐵地道專用電纜WZR-DZY22

一、履行規(guī)范standard：
企業(yè)規(guī)范Enterprise’s standard
二．適用范圍Applications：
    該電纜適用于地鐵．地道．車站等相對(duì)密閉人員會(huì)集．有很高的阻燃要求．且特別要求在焚燒時(shí)不出產(chǎn)濃煙，有毒害效果的鹵酸氣體及禁止焚燒發(fā)生“二次災(zāi)禍”的嚴(yán)苛環(huán)境下運(yùn)用。特別適用于地道沿線及配電柜與地鐵之間的敷設(shè)。
  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、運(yùn)用特性Properties：
    1．產(chǎn)品類型：WZR-DZY(詳細(xì)規(guī)范拜見附表)
  Model：WZR-DZY(detail is see the attached table)
  注：①WZR(A、B)-DZY WZR(A、B)-DZY均與上類型等效。
      ②阻燃等級(jí)：WZRA--為A類低煙無鹵阻燃
                  WZRB--為B類低煙無鹵阻燃
                  WZR---為c類低煙無鹵阻燃
  2．額外電壓750V，1500V
  Rated voltage：750V．1500V
  3．標(biāo)稱截面O.5-400mm2
  Nominal cross section area：O.5-400mm2
  4．導(dǎo)體長時(shí)間作業(yè)溫度70℃，短路過載溫度可到達(dá)130℃(5s)
  Permissible long-term working temperature is 70℃．Max．working temperature of the conductors in short- circuit is 130℃．(5S)
  5．電纜最小答應(yīng)曲折半徑不超越電纜直徑的15倍。
    Allowed Min．bending radius are not more than 1 5 times 0f cable O．D．
  6．電絕緣功能，物理機(jī)械功能優(yōu)異
    Possessing good electrical insulation performance，physical mechanical properties．
7．電纜阻燃功能到達(dá)GB／T18380．3-2001電纜成束焚燒實(shí)驗(yàn)A、B、C類(IEC332-3)的要求
Flame-residence comforts to the requirement of GB／T1 8380．3-2001(IEC332-3)
8、低煙特性：滿意GB／T17650-1998，GB／T17651—1998的要求 
Low-smoke property comforts to GB／T17650-1 998．GB／T17651—1 9989．
9、無鹵特性：(1)導(dǎo)電率≤10  μs／mm
               (2)PH值≥4．3
 Non-halogen property：(1)Conductivity≤10 μs／ram
                       (2)PH≥4．3
10、煙氣毒性契合GAl32準(zhǔn)安全級(jí)的要求。
  Smoke poisonous conform to GAl32．
空氣敷設(shè)長時(shí)間接連負(fù)荷載流量單位：A
Continue loading current of cable laid in air

注：環(huán)境溫度為40：C Note：environment temperature is 40℃
地鐵地道專用電纜結(jié)構(gòu)參數(shù)表Cable construction

編制闡明Directions：
    1．低煙無鹵阻燃聚烯烴絕緣地鐵地道專用電纜接連負(fù)載電流是根據(jù)IEC-287電纜載流量核算規(guī)范進(jìn)行核算的，并經(jīng)過批改確認(rèn)。
    Continuous loading current of cable is calculated per IEC-287
    2．此地鐵地道專用電纜的長時(shí)間作業(yè)溫度不超越70℃。
    Long-term working temperature is not more than 70℃．
    3．布線方法分為觸摸與非觸摸兩種，其中非觸摸指電纜間的彼此間隔大于二倍的電纜外徑．觸摸即指電纜彼此靠在一同或彼此距離小于二倍的電纜外徑。
  Laid method：contact and non contact．Non contact laid means the distance between the laying cable is more than 2 times of cable O．D．Contact laid means the distance between the laying cable is not more than 2 times of cable O．D．
    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)境溫度改變批改系數(shù)表
The revised coefficient of the environmental temperature change

電纜敷設(shè)于塑料槽中載流量批改系數(shù)表 
The revised coefficient of the cable loading current lay in plastic flume

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(hào)線在外)。
                                                    Note．  k=   Loading current cables

                                                                      Total number of the cables
(Loading current cables means cables that generating heat when working excet for signal line)
電纜穿管敷時(shí)載流量批改系數(shù)表
 The revised coefficient of the cable loading current lay in tube

注：
1．穿管根數(shù)指有負(fù)荷發(fā)熱的電纜根數(shù)。
2．穿管線的體積不超越管體積的40％。
3．當(dāng)管并排敷設(shè)時(shí)乘0．95批改系數(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