优质BVJ-90铜芯导体温度90℃交联聚氯乙烯绝缘电线和电缆
用于固定敷设在交流50HZ,额定电压0.6/1KV及以下输配电路,适合于电缆沟、托架、管道等方式敷设。敷设不受落差影响,敷设时环境温度不低于-15℃。用户亦可参照GB50127-94《电力工程电缆设计规范》选择使用。 一、执行标准: GB12706-91 二、适用范围: 用于固定敷设在交流50HZ,额定电压0.6/1KV及以下输配电路,适合于电缆沟、托架、管道等方式敷设。敷设不受落差影响,敷设时环境温度不低于-15℃。用户亦可参照GB50127-94《电力工程电缆设计规范》选择使用。 三、使用特性: A:导体长期工作温度90℃ B:短路时(持续时间不超过5S),导体温度不超过250℃
1、工作温度:电缆导体***高额定工作温度为90℃。 2、过载温度:电缆短时过载***高温度不得超过130℃。 3、短路温度:电缆短路时,***高温度不得超过250℃。(***长持续时间不超过5秒)。 4、敷设温度:电缆敷设温度不低于0℃。低于0℃敷设时须预先加热。 5、弯曲半径:单芯电缆允许弯曲半径:20(电缆的实际外径<mm>+电缆导体的实际外径<mm>)±5%。 多芯电缆允许弯曲半径:15(电缆的实际外径<mm>+电缆导体的实际外径<mm>)±5%。
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,***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 | |
特种电缆专业制造商 电话:0550-7305800 传真:0550-7305087
我公司主要生产聚烯烃铁路机车电缆,DCEYHR,高柔性拖链电缆,1-10KV架空电缆,高压交联电力电缆,伴热带电缆,变频器专用电力电缆,合金电缆,特种电缆,铜包铝电缆,铁路机车软电缆,螺旋电缆,特软低温扁电缆,电机引接软电缆,高温补偿电缆,耐火耐高温电缆,耐油 船用电缆,计算机屏蔽电缆,煤矿信号电缆,485专用线•RS485专用线等 质量承诺 通过ISO9001:2000质量体系认证、CCC认证、保证室内正常使用按不同产品达30年. 价格承诺 相同品质产品价格不高于其它厂商. 交货承诺 备有500万金额的不同规格的成品,常规产品当日交货. 退货承诺 因品质、价格或工程剩余电缆等一切因素的退货,自交货之日起30天内无理由退货(不包括特区定制及人为损坏)并保证当天退款. 服务承诺 为工程商提供专业而高质量的服务是公司长期以来的经营宗旨.
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