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硅烷交联聚乙烯绝缘电力电缆
 
发布时间:2014-12-19 09:56:25 作者:本站 来源:本站   点击次数
 
 
发布时间:2009-06-02 15:33 作者:本站 来源:本站  点击次数:2080
 
一、产品标准   Product standard
企业标准:等效采用GB12706-2002和IEC502-1983
Enterprise standard:equivalent to GB12706-2002and IEC502-1983
二、用途   Usage
本产品适用于交流额定电压(U0/U)0.6/1KV和1.8/3-8.7/10KV系统的输配电线路。
This product is suitable for use in rated AC voltage (U0/U)0.6/1KV and 1.8/3-8.7/10KV system transmitting and distributing circuit.
三、使用特性    Property for Use
1.既有远优于PVC绝缘力缆的的所有性能指标,又克服了特理交联和其它化学交联的蔽端,并且完全达到或超过了GB及IEC规定的技术特性值。
   It is far better than all property targets of PVC insulated power cable and has overcome the short comings of physical and chemical cross-     linkage,and completely reaches of surpasses GB and IEC technical property value.
2.电缆导体**高允许工作温度为90℃;应急超载工作温度为130℃;短路时(5s)导体**高温度为250℃。
The allowed max.cable conductor work temperature is 90℃;urgent excess work temperature is130℃ for short circuit(5s),max.conductor temperature is 250℃.
3.电缆敷设时的环境温度应不低于0℃。如在0℃以下敷设,应对电缆予热。
The environmental temperature for laying cable should be not less than 0℃.If laying under0℃,the cable should be preheated.
4.电缆弯曲半径为:单芯电缆不小于电缆外径的16倍;多芯电缆不小于电缆外径的12倍。
The cable bend radius for single core should be not less than 16 times of overall cable diametet;for multi-core cable,not less than 12 times of overall cable diameter.
5.载流量大,敷设不受落差限制。
The current-carrying capacity is large and not limited by drop during laying.
四、型号、名称及适用范围   Type,Name and scope of Application                                                                                 如表1      Table1


注:还可以根据用户特殊要求及技术协议设计制造阻水、阻燃耐火系列及低烟无卤等特殊型号的产品。阻燃、耐火系列在后面还有详细介绍。
“42”“43”由于实际中很少采用,故在此省略。
Note:We can also design and produce waerproof,fire-resistant series and low smoke,non-halogen and other special type products according to clients’special requirements and technical agreemen.Combustion-retardant and fire-resistant series will be in troduced in detail later. Because“42”“43”are actually rarely used,therefore they are omitted here.
五、规格   Specifications
电缆规格如表2  For cable specifications,see Table 2.
注 Note:
      (1)表中单芯铠装电缆仅适用于直流线路,如用于交流则必需采用非磁性材料或减少磁损耗结构的铠装。
                The single core armored cable in the list are only suitable for use for DC circuit. If used for AC circuit,non-magnetic material or armored by reducing magnetic loss structure must be used.
      (2)3 2、3 1、4 1芯中性线和保护线截面等同,规格参照全塑力缆。
                3 2、3 1、4 1cores neutral wire and cross-sestion protection wire are the same,for specifications,refer to all-plastic power cable.
六、结构简图   Diagram of Structure
七、技术特性   Technical Properties
1.导体:一般采用相同或不同直径的圆单线绞合而成,本样本采用前者工艺。
   Conductor:generally uses similar or not similar diameter twisted round single wire.This sample book adopts the former technology.
(1)1.8/3KV及以发下电缆用导体:
          Conductor for 1.8/3KV and below cable:
           a.单芯电缆线芯为圆形或紧压圆形,多芯电缆线芯,截面为35mm2及以下为圆形,50mm2及以上为扇形或半圆形。
               Single core cable core is round or extruded round,cross-section of multi-core cable core of 35mm2 and below is round,50mm2 and below is fan-shaped or semicircular.
           b.(3 1)、(3 2)、(4 1)的中性线和保护线芯为圆形或紧压圆形,其中五芯力缆可采用四芯外加一芯绞制到四芯缆芯上,或瓦楞形或五芯均压扇形或第五芯为紧压圆形等结构。
               (3 1),(3 2),(4 1)neutral wire and protection core is round or extruded shape, among them5-core power cable may adopt 4 cores plus 1 core twisted to 4-core cable core,or a corrugated shape or five cores extruded into fanshape or 5th core into extruded  round shape and other structures.
(2)3.6/6-8.7/10KV电缆用导体:
         Conductor for 3.6/6-8.7/10KV cable:
         a.采用圆形高度紧压,其紧压系数(η)按其截面不等分别为不小于0.87、0.88、0.89、0.90、0.91。
           Adopts highly extruded round shape,wiih extrusion co-efficient(η)not less than 0.87,0.88,0.89,0.90 and 0.91
           according to different cross-sections.
           b.特殊情况下,6KV的导体亦可为扇形。
           Under special situations,6KV conductor can also be fan-shaped.
(3)导体结构采用的**少单线根数符合表3
          Conductor structure adopts min.single wires reaching the standard in Table 3.                                                                           表3 Table 3
4)导体直流电阻符合表3。
         Conductor DC resistance reach standards in Table 3
         2.绝缘及屏蔽Insulation and Sheath
         2.1绝缘Insulation
    各电压等级的绝缘标称厚度符合表4规定。
     Various voltage grade nominal insulation thickness reach the standard in Table 4.                                                                           表4 Table 4
2.2屏蔽。 Screen.
各种要求的屏蔽应符合表4规定
Screen with various kinds of requirements should reach standards in Table 4.
3.电缆参考外径及重量如表5 -表9
  For reference,overall diameter and weight of cable,see Tables 5 - 9.
(1)由于篇幅太大,故在表5 -表9中所给出的参考数据为日常中**常用、**普遍的型号及规格,即:YJV、YJV22.如果知道YJLV、YJLV22,重量可按下
    式求得:(外径相同)
    Because this content is too long and very tedious for writing,therefore the reference data in Tables 5 - 9 are the most com-
    monly used and universal types and specifications,i.e.,YJ V,YJ V22.If you want the weight of YJ LV,YJLV22,you can
    find out according to the following formula:(the overall diameter is the same).
    WL=Wcu-S·K(ρcu-ρL)
    wL  铝芯电缆重量(kg/km)    Wcu表中铜芯电缆重量(kg/km)
    WL=weight of AL core cable(kg/km)  Wcu=weight of copper core cable(kg/km)
    S -铜、铝芯相应标称截面mm2。
    S=corresponding nominal cross - section of copper and AL cores mm2
    K-绞入系数(1.00-1.012)                ρcu-铜的密度(8.9g/cm3)             ρL-铝的密度(2.7g/cm3)
    K=twist coefficient(1.00-1.012)     ρcu=copper density(8.9g/cm3)     ρL-AL density(2.7g/cm3)
(2)如果知道钢丝铠装外径及重量则:
    If you want to know the overall diameter and weight of steel wire armor,see the following:
    钢丝铠装的电缆外径≈(1.08-1.16)倍的钢带铠装的电缆外径(mm)
    Overall diameter of steel wire armored cable=(1.08-1.16)times the steel belt armored cable overall diameter(mm).
    钢丝铠装的电缆重量≈(1.2-1.5)倍的钢带铠装的电缆重量。
    Weight of steel wire armored cable=(1.2-1.5)times the steel belt armored cable weight.
(3)下表中参数均在工艺参数的基础上进行了整数修正。
      Parameters in the following tables have carried out round number correction on the foundation of technological parameters.

 

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