| 详细介绍：
电缆用于额定电压0. 6/1， 1. 8/3， 3. 6/6， 6/6， 6/10， 8. 7/10， 8. 7/15， 12/20， 21/35， 26/35kV输配电系统。
The cable is used in electric transmission and distribution system operating at rated voltage of 0.6/1, 1.8/3, 3.6/6, 6/10, 8.7/10, 8.7/15, 12/20, 21 /35, 26/35kV.
二、型号及名称(见表1) Model and name (see table 1)
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型号 Model
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名称 Name
|
|
YJV
YJLV
|
铜芯或铝芯交联聚乙烯绝缘，聚氧乙烯护套电力电缆
Cu or Al conductor,XLPE insulated,PVC sheathed electric cable
|
|
YJV22
YJLV22
|
铜芯或铝芯交联聚乙烯绝缘，钢带铠装聚氧乙烯护套电力电缆
Cu or conductor,XLPE insulated steel tape armoured PVC sheathed electric cable
|
|
YJV32.42
YJLV32.42
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铜芯或铝芯交联聚乙烯绝缘，钢丝铠装聚氧乙烯护套电力电缆
Cu or conductor,XLPE insulated steel wire armoured PVC sheathed electric cable
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三、结构尺寸、技术参数(见表2-1 4) Structure size,technology data(see table 2-14)
YJLV、YJV
YJLV22、YJV22
YJLV32、YJV32
四、技术性能 Technolongy property
1.弯曲半径
单芯电缆允许弯曲半径为20 (d+D)士5%
多芯电缆允许弯曲半径为15 <d+D)士5%
D二电缆的实际外径(mm)
D二导体的实际直径(mm)
2.敷设温度:
低于0℃敷设时必须预先加温。
3.敷设落差:
电缆敷设不受水平落差限制。
|
1.Bending radius:
Bending radius of single core cable is 20(d+D)士5%
Bending radius of single core cable is 15(d+D)士5%
D二Actual outer diameter of cable sampel (mm)
D=Actual diameter of the cunductor(mm)
2.Installation temperture
It should be heated where ambient temperature is below
0℃ lever difference of cable installation.
3.Not restricted by the difference of level along the route,
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五、不同环境温度下的载流量修正系数 Conversion factors of current rating for ambient temperatuer
|
工作温度
Operating temperature(℃)
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空气温度 Air temperature
|
|
5
|
10
|
15
|
20
|
25
|
30
|
35
|
40
|
45
|
50
|
|
1.30
|
1.26
|
1.22
|
1.18
|
1.44
|
1.09
|
1.04
|
1.0
|
0.94
|
0.89
|
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土壤温度 Soilkemperature
|
|
5
|
10
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15
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20
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25
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30
|
35
|
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1.44
|
1.11
|
1.07
|
1.04
|
1.00
|
0.96
|
0.92
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