6kV~35kV 中低压铜芯及铝芯交联聚乙烯绝缘电力电缆(YJV电缆,YJV22电缆,YJLV电缆,YJLV22电缆) XLPE Insulated Power Cable |
交联聚乙烯绝缘电力电缆是采用化学方法或物理方法,使聚乙烯分子由线型分子结构转变为三维网状结构,由热塑性的聚乙烯变成热固性的交联聚乙烯,从而提高了聚乙烯的耐老化性能、机械性能和耐环境能力,并保持了优良的电气性能。 交联聚乙烯绝缘电力电缆导体的允许长期最高温为90摄氏度,较低绝缘电缆、聚氯乙烯绝缘电缆和聚乙烯绝缘电缆高,且具有重量轻、结构简单、使用方便、耐化学腐蚀和敷设不受落差限制等优点。 26/35KV电力电缆,18/30KV交联电缆,12/20KVYJV电缆,8.7/15KVYJV22电缆线,6/10KV铝芯交联电缆线,3.6/6KVYJLV单芯电缆 中低压交联电缆产品标准 Standard 本产品按GB12706《额定电压35V及以下铜芯、铝芯塑料绝缘电力电缆》标准生产,同时还可根据用户需要按国际电工委员会推荐标准IEC、英国标准、德国标准及美国标准生产。 The product is manufactured according to the standard of《GB12706 or IEC、BS、DIN and ICEA upon request. 适用范围 Applications 本产品适用于工频额定电压3.6/6kv~26/35kv输配电线路作配送电能子用。 The product is suitable for use in power transmission and distribution lines with rated power frequency voltage 3.6/6kv~26/35kv. 使用特性 Operating characteristics · 工频额定电压U0/U为3.6/6kv~26/35kv。 Rated power-frepuency voltage U0/U: 3.6/6kv~26/35kv. · 电缆导体的最高允许工作温度:90℃。 Max.admissible operating temperature of the conductor: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。 Max. short-circurt temperature of conductor shall not exceed 2500C. (5s maximum duration) · 电缆敷设时环境温度应不低于00C。 The ambient temperature under installation should not below 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。 The bending radius of a single-core cable should not less than 20 times of the cable diameter. The bending radius of a single-core cable should not less than 15 times of the cable diameter. 电缆额定电压的选择 Voltage designation · 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。 The rated voltage of the cable for a given applixation shall be suitable for the operating conditions in the system in which the cable is used,and is expressed in the form of U0/U(Um)kv Where: U0-The rated power-frequency voltage between conductors and earth metallic screen ,for which the cable designed; U - The rated power-frequency voltage between conductos, for which the cable designed; Um- The maximum value of the“highest system voltage”for which the equipment may beused. · 三相系统用电缆的U0值推荐如下表: The values of U0 recommened for cable to be used in three-phase systems are listed below:
|
U kv |
U m kv |
U 0 * kv |
A 和 B 类系统 System categories A and B |
C 类系统 Systems categories C |
6 |
7.2 |
3.6 |
6 |
10 |
12 |
6 |
8.7 |
15 |
17.5 |
8.7 |
12 |
20 |
24 |
12 |
18 |
30 |
36 |
18 |
- |
35 |
40.5 |
21 |
26 | |
A类系统──该类系统任何一相导体与地和接地导体接触时,能在1min内与系统分离 B类系统──该类系统仅包括单相接地故障短时运行的条件,接地故障时间应不超过1h, 但在任何情况下,最长不超过8h每年接地故障总持续时间不超过125h; C类系统──不属于A类、B类的系统。 System category A──This category comprises those systems in which any phase conductor that comes in contact with earth or an earth conductor. is disconnected from the system within 1 min. System category B ──This category comprises those system which,under faultconditions,are operated,are operated for ashorttimewith one phase earthed.This period should not exceed 1 h..Fora longer period, not exceeding 8h on any occasion, can be tolerated.The total duration of earth faults in any year should not exceed 125h. System categeory C──This category comprises all systems which do not fall into A and B 电缆的型号Type of cable |
型号 Type |
名称 Designation |
适用范围 Application |
YJV |
铜芯交联聚乙烯绝缘氯乙烯护套电力电缆 Copper conductor,XLPE insulated and PVC sheathed power cable |
室内、隧道及电缆沟等场所,不能承受机械外力。单芯电缆不允许敷设在磁性管道中。 For laying indoors 、 intunnel or cable trench,unable to bear external mechan-icalforces.Single-core cable in magnetic duct is not permissible |
YJLY |
铝芯交联聚乙烯绝缘乙烯护套电力电缆 Aluminium conductor, XLPE insulated and PVC sheathed power cable |
YJY |
铜芯交联聚乙烯绝缘氯乙烯护套电力电缆 Copper conductor ,XLPE insulated and PEsheathed power cable |
YJLY |
铝芯交联聚乙烯绝缘氯乙烯护套电力电缆 Alumimium conductor ,XLPE insulated and PEsheathed power cable |
YJV22 |
铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Copper conductor ,XLPE insulated, steel tape armoured and PVC sheathed power cable |
室内、隧道、电缆沟内,或埋地敷设等,能承受一定机械外力,但不能承受大的拉力。 For laying indoors 、 in tunnel, cable trench, or direct in ground,able to bear external mechanicalforces, but unable to bear large pulling force 。 |
YJLV22 |
铝芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable |
YJV23 |
铜芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Copper conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable |
YJLV23 |
铝芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Aluminium conductor ,XLPE insulated ,steel tape armoured and PVC sheathed power cable |
YJV32 |
铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 Copper conductor,XLPE insulated,steel wire armoured and PVC sheathed power cable |
室内、隧道、电缆沟、竖井或埋地敷设等,能承受机械外力和一定的拉力。 For laying indoors 、 in tunnel, cable french, well or direct in ground,able to bear external mechanical forces, and certain force 。 |
YJLV32 |
铝芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 Aluminium conductor ,XLPE insulated, steel wire armoured and PVC sheathed power cable |
YJV33 |
铜芯交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 Copper conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable |
YJLV33 |
铝芯交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 Aluminium conductor ,XLPE insulated ,steel wire armoured and PVC sheathed power cable | |
生产范围Production range of cable |
型号 Type |
芯数 Nomber of cores |
额定电压 Rated Voltage kV |
3.6/6 |
6/6 6/10 |
8.7/10 8.7/15 |
12/20 |
18/20 18/30 |
21/35 |
26/35 |
导体标称截面 Nominal cross-section of conductlr mm2 |
YJV YJLV YJY YJLY |
1 |
25-800 |
25-800 |
25-800 |
35-800 |
50-630 |
50-630 |
50-630 |
3 |
25-630 |
25-630 |
25-500 |
35-500 |
50-400 |
50-400 |
50-400 |
YJV22 YJLV22 YJY23 YJLY23 |
1 |
25-800 |
25-800 |
25-800 |
35-800 |
50-630 |
50-630 |
50-630 |
3 |
25-630 |
25-630 |
25-500 |
35-500 |
50-400 |
50-400 |
50-400 |
YJV32 YJLV32 YJY33 YJLY33 |
1 |
25-800 |
25-800 |
25-800 |
35-800 |
50-630 |
50-630 |
50-630 |
3 |
25-630 |
25-630 |
25-400 |
35-400 |
50-240 |
50-185 |
50-150 | |
| | |
|