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YJLV22高压电缆 3X240mm2

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【产品名称】:铝芯铠装高压交联电缆

【规格型号】:YJLV22-3X240平方

【额定电压】:8.7/15KV

【执行标准】:GB/T12706-2008

【生产厂家】:京缆电缆有限公司

【产品认证】:ISO9002质量认证

【使用范围】高压交联电缆主要用于电力、建筑、工矿、冶金、交通等部门的动力、照明输配电系统

使用特性
· 工频额定电压U0/U为6kv/10kv~26/35kv。  
· 电缆导体的最高允许工作温度:90℃。
· 短路时(最长时间不超过5s)电缆导体的最高温度不超过2500C。
· 电缆敷设时环境温度应不低于00C。
· 电缆弯曲半径:三芯电缆不小于电缆外径15倍;单芯电缆不小于电缆外径20倍。
电缆额定电压的选择
· 电缆的额定电压应适合于电缆系统的运行状况,用U0/U(Um)kv表示。
U0-电缆设计用的导体对地或金属屏蔽之间的额定工频电压;
U-电缆设计用的导体间的额定工频电压;
Um-设备可承受的“最高系统电压”的最大值。

技术参数:

 

导体标称截面
绝缘
厚度
护套
厚度
电缆近似外径
电缆近似重量
20℃
导体
电缆载流量
短路电流
直流
电阻
在空
气中
直埋土壤中
导 体
屏蔽层
铜带
铜丝
mm 2
mm
mm
mm
kg/km
Ω/km
A
A
KA
KA
KA
3×25
3.4
2.4
48
3190
0.727
120
125
3.69
2.958
-
3×35
3.4
2.5
50
3731
0.524
140
155
5.15
2.958
-
3×50
3.4
2.6
53
4396
0.387
165
180
7.31
2.958
-
3×70
3.4
2.7
57
5198
0.268
210
220
10.2
2.958
-
3×95
3.4
2.9
62
6350
0.193
355
265
13.8
2.958
-
3×120
3.4
3
65
7257
0.153
290
300
17.4
2.958
-
3×150
3.4
3.1
69
8383
0.124
330
340
21.7
2.958
-
3×185
3.4
3.2
72
9741
0.0991
375
380
26.7
2.958
-
3×240
3.4
3.3
78
11854
0.0754
435
435
34.6
3.301
-
3×300
3.4
3.4
84
14861
0.0601
495
485
43.1
3.301
-

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