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技術(shù)文獻(xiàn)
發(fā)布時(shí)間:2024-12-03 15:57:52 人氣:
一、電纜型號(hào)解析
WDZB1-YJY-0.6/1kV 4*150+1*70是一種特定類型的電力電纜,其型號(hào)和規(guī)格包含了豐富的信息:
WDZB1:
W:無鹵(Halogen-free)
D:低煙(Low smoke)
Z:阻燃(Fire retardant)
B1:阻燃等級(jí)B1級(jí) (B1 fire resistance level)
YJY:
YJ:交聯(lián)聚乙烯絕緣 (Cross-linked polyethylene insulation)
Y:聚烯烴護(hù)套(Polyolefin sheath)
0.6/1kV:
額定電壓為0.6/1kV(Rated voltage is 0.6/1 kV)
4*150+1*70:
表示電纜由4根截面積為150mm2的主芯線和1根截面積為70mm2的輔助芯線組成(The cable consists of 4 main cores with a cross-sectional area of 150 mm2 and 1 auxiliary core with an area of 70 mm2)
二、電纜結(jié)構(gòu)詳解
電纜導(dǎo)體:
多股銅絲絞合而成,提供良好的彎曲特性(The conductor is made of multiple strands of copper wire, providing good bending characteristics)
絕緣層:
采用礦物質(zhì)絕緣材料,可耐溫達(dá)1000°C以上(Mineral insulation material is used, which can withstand temperatures above 1000°C)
防水隔離層:
采用聚乙烯隔離材質(zhì)(Polyethylene isolation material is used)
礦物質(zhì)填充層:
使用國內(nèi)外先進(jìn)納米技術(shù)研制的防火、耐火、耐高溫、隔溫、隔熱材料(Advanced nanotechnology is used to create materials that are fire-resistant, heat-resistant, and insulating)
外護(hù)套:
采用燃燒性能聚烯烴材質(zhì),具有良好防腐蝕特性(Polyolefin material with excellent anti-corrosion properties is used for the outer sheath)
三、電纜的應(yīng)用場(chǎng)景
這類電纜主要用于人口密集和對(duì)阻燃性能要求高的場(chǎng)所,例如:
地鐵
機(jī)場(chǎng)
醫(yī)院
超高層建筑
大型商場(chǎng)
酒店
會(huì)展中心
數(shù)據(jù)中心
交通樞紐
四、電纜的技術(shù)參數(shù)
額定電壓:
0.6/1kV(Ratedvoltage:0.6/1kV)
導(dǎo)體最高工作溫度:
90°C(Maximum operating temperature of the conductor: 90°C)
短路時(shí)最高溫度:
不超過250°C(Short-circuit maximum temperature does not exceed 250°C)
彎曲半徑:
最小彎曲半徑為20D(D為電纜外徑)(Minimum bending radius is 20D, where D is the outer diameter of the cable)
阻燃性能:
符合B1級(jí)阻燃標(biāo)準(zhǔn)(Complies with B1 fire resistance standard)
五、電纜的優(yōu)勢(shì)
優(yōu)異的阻燃性能:
在火災(zāi)中能有效阻止火勢(shì)蔓延(Effectively prevents fire from spreading during a fire)
低煙無毒:
燃燒時(shí)不會(huì)釋放有毒氣體和大量煙霧(Does not release toxic gases or large amounts of smoke when burned)
環(huán)保:
無鹵材料減少了對(duì)環(huán)境的影響 (Halogen-free materials reduce environmental impact)
六、電纜的執(zhí)行標(biāo)準(zhǔn)
GB31247-2014
GB/T12706.1-2020
這些標(biāo)準(zhǔn)確保了電纜在電氣性能、機(jī)械性能和環(huán)保性能方面的要求。
七、電纜的重量和外徑
對(duì)于4*150+1*70規(guī)格的電纜,其典型參數(shù)如下:
外徑:
大約56.5mm(Typical outer diameter is about 56.5 mm)
重量:
每公里約6305kg(Approximate weight is 6305 kg per km)
八、電纜的載流量
根據(jù)相關(guān)資料,此類電纜的載流量大約為:
360A(The approximate current carrying capacity is around 360 A)
九、電纜的使用特性
工作溫度:
導(dǎo)體長期允許工作溫度為90°C(Long-term allowable working temperature of the conductor is 90°C)
短路溫度:
短路時(shí)(最長持續(xù)時(shí)間不超過5秒)導(dǎo)體溫度不得超過250°C(During short circuit (maximum duration not exceeding 5 seconds), the conductor temperature must not exceed 250°C)
敷設(shè)溫度:
電纜敷設(shè)溫度不低于0°C,必要時(shí)應(yīng)采取預(yù)熱措施(Cable laying temperature should not be lower than 0°C; preheating measures should be taken if necessary)
十、電纜的彎曲半徑
對(duì)于無鎧裝電纜,最小彎曲半徑為20D(For unarmored cables, the minimum bending radius is 20D)
對(duì)于有鎧裝電纜,最小彎曲半徑為15D(For armored cables, the minimum bending radius is 15D)
總結(jié)
WDZB1-YJY-0.6/1kV 4*150+1*70電纜是一種高性能、環(huán)保、阻燃的電力電纜,適用于多種重要公共設(shè)施和高層建筑中的電力傳輸。其優(yōu)良的電氣性能、機(jī)械性能和環(huán)保特性使其成為現(xiàn)代建筑和工程項(xiàng)目的理想選擇。
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