额定电压35KV及以下铜、铝芯交联聚乙烯绝缘电力电缆.docx

《额定电压35KV及以下铜、铝芯交联聚乙烯绝缘电力电缆.docx》由会员分享，可在线阅读，更多相关《额定电压35KV及以下铜、铝芯交联聚乙烯绝缘电力电缆.docx（37页珍藏版）》请在三一办公上搜索。

1、额定电压6kV35kV交联聚乙烯绝缘电力电缆Cross-linking polyethylene insulated power cables with rated voltages from 6kV up to 35kV 一、产品用途 Products application交联聚乙烯绝缘电缆适用于配电网、工业装置或其他需要大容量用电领域，用于固定敷设在交流50Hz、额定电压6kV35kV的电力输配电线路上，主要功能是输送电能。交联聚乙烯绝缘阻燃电缆具有阻止火势在电缆电路蔓延的功能，可避免火灾事故扩大以减少损失，适用于地铁、遂道、高层建筑等电缆敷设密集程度较高的场所。交联聚乙烯绝缘无卤低烟阻

2、燃电缆具有优良的阻燃性、耐腐蚀性及低烟浓度，是一种环保型产品，适用于地铁、商场、学校等人员密集型场所。上述产品为通常条件下使用的产品，不适用一些特殊条件的场合，如水下、船用、核电站等。XLPE polyethylene insulated power cables, This product is applicable to being fixedly laid on the transmission and distribution line of alternative current rating 50Hz and rated voltage up to 6/35 kV with the

3、 use for power transmission, which is applied to the range of distribution network, industrial equipments, high electricity consumption places etc.XLPE polyethylene insulated flame-retardant power cables, The product has good performance on preventing fire burning on the circuit, which can avoid fir

4、e accidents and losses. The products can be used in subway, tunnels and high-rise buildings etc.XLPE polyethylene insulated low-smoke zero-halogen flame-retardant power cables, The environmental product has good performance on flame-retardant, corrosion resistance and low-smoke, which is suitable to

5、 be laid in crowded places, such as subway, shopping mall or schools etc.This product is the normal used cable, not suitable for some special places, such asunder water, ship, nuclear station, etc.二、产品主要技术特点 Technique features 交联聚乙烯绝缘电缆采用过氧化物交联的方法，使聚乙烯分子由线型分子结构变为三维网状结构，由热塑性材料变成热固性材料，工作温度从70提高到90，显著提

6、高电缆的载流能力。交联聚乙烯绝缘电缆具有优越的电气性能、耐热性能、耐化学性能、耐环境应力开裂性能、抗老化性能，具有长期的使用寿命。无卤低烟阻燃交联聚乙烯绝缘电缆具有优良的阻燃特性，护套材料不含卤素，能够保证在燃烧时只释放少量的毒性和腐蚀性气体，具有产生烟雾较少等特点，是一种环保型的新产品，同时具有优越的电气性能、耐热性能、耐化学性能、耐环境应力开裂性能、抗老化性能，具有长期的使用寿命。本产品结构简单，制造周期短，易于安装和维护，敷设时不受落差限制。XLPE polyethylene insulated power cables, this product is manufactured by

7、parasitical cross-linking procedure, the straight-chain polyethylene will be changed as network structure by use this method, which transformed thermoplastic material into thermosetting material. The working temperature is up to 90, which can raise the cable current capacity highly.XLPE polyethylene

8、 insulated power cables, the product has good performance on electrical characteristic, heat resistance, chemical resistance, environmental stress cracking resistance and aging resistance, all which make the cable has a long useful life.XLPE polyethylene insulated low-smoke zero-halogen flame-retard

9、ant low-smoke zero-halogen flame-retardant power cables; the product is a new environmental protected cable with good flame-retardant performance, which just releases few poisonous and corrosive gases. The product has good performance on electrical characteristic, heat resistance, chemical resistanc

10、e, environmental stress cracking resistance and aging resistance, all which makes the cable has a long useful life.The product characteristic is simple structure, short production period, easy installation and maintained, especially there is no limit of head drop during the cable laying.三、产品执行标准 Sta

11、ndardsIEC 60502-2:1997 额定电压1 kV(Um=1.2 kV)到30 kV(Um=36 kV)挤包绝缘电力电缆及附件第2部分：额定电压 6 kV(Um=7.2 kV)到30 kV(Um=36 kV)电缆Power cables with extruded insulation and their for rated voltages from 1kV(Um=1.2kV) up to 30 kV(Um=36 kV) Part2:Cables for ratedvoltages of 6kV(Um=7.2kV)up to 30 kV（Um=36 kV）GB/T 12706.2

12、-2002 额定电压1 kV(Um=1.2 kV)到35 kV(Um=40.5 kV)挤包绝缘电力电缆及附件第2部分：额定电压 6 kV(Um=7.2 kV)到30 kV(Um=36 kV)电缆Power cables with extruded insulation and their for rated voltages from 1kV(Um=1.2kV) up to 35kV(Um=40.5kV) Part2:Cables for ratedvoltages of 6kV(Um=7.2kV)up to 30 kV（Um=36 kV）GB/T 12706.3-2002 额定电压1 kV(

13、Um=1.2 kV)到35 kV(Um=40.5 kV)挤包绝缘电力电缆及附件第3部分：额定电压 35 kV(Um=40.5 kV)电缆Power cables with extruded insulation and their for rated voltages from 1kV(Um=1.2kV) up to 35kV(Um=40.5kV) Part3:Cables for ratedvoltages of 35kV(Um=40.5kV)GB/T 19666-2005 阻燃和耐火电线电缆通则General Rules of flame-retarding and fireproof c

14、ablesGB/T 3956-1997 电缆的导体 Conductor of Cables四、使用特性 Operating characteristics1、 额定电压 Rated Voltage电缆额定电压U0/U(Um)表示方法如下：Rated Voltage of cable U0/U(Um)，as follow：U0/U(Um)3.6/6(7.2)6/6(7.2)6/10(12)8.7/10(12)8.7/15(17.5)12/20(24)18/30(36)21/35(40.5)26/35(40.5)kV。其中：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

15、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。电缆的额定电压应适合电缆所在系统的运行条件。为了便于选择电缆，将系统划分为下列三类：A类：任一相导体与地或接地导体接触时，能在1min内与系统隔离。B类：可在单相接地故障时作短时运行，但任何情况下不宜超过8h，每年接地故障总持续时间不宜超过125h。C类：包括不属于A类和B类的系统。注：在系统接地故障不能立即自动解除时，故障期间加在电缆绝缘上过高的电场强度，会在一定程度上缩短电缆寿命。如系统预期会经常地运行在持久的接地故障状态下，该系统应划为C类。Notes：U0：Rated A.C. Voltage between conduc

16、tor and ground/metal screen;U：Rated A.C. Voltage between conductorsUm：The maximum system voltage which the equipments can be beared。The rated voltage of cable shall be applicable to system operation condition where the cable lain in. According to cable selecting, the system will be described as 3 ty

17、pes as follow: 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 fault conditions ,are operated

18、,are operated for shortage with one phase earthed. This period should not exceed 1 h. .Foray 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 category C This category comprises all systems which do not fal

19、l into A and B。When the system earth fault cant be removed automatically, the life of cable will be shortened in some degree because of the over-high electric stress bewared by cable insulation.用于三项系统的电缆，U0的推荐值见表1。The recommended figure of U0 see the table 1, which are suitable for the three systems

20、.:表1 额定电压U0推荐值Table1 the recommended figure of U0 系统最高电压Um/ kV Maximum system voltage/ kV额定电压/ kVRated Voltage/ kVA类、B类System categories A and BC类C 类系统 Systems categories C7.23.66.012.06.08.717.58.712.024.012.018.036.018.040.521262、 导体额定工作温度电缆导体的最高额定工作温度为90。短路时（最长持续时间不超过5s）电缆导体的最高温度不超过250。The rated

21、temperature of conductorThe maximum assigned temperature of the cable conductor is 90.During having a short circuit, lasting less than 5 seconds, the maximum temperature of the cable conductor shall not be above 250.3、 敷设环境温度 电缆敷设时的环境温度应不低于0，否则需要事先预热。Ambient temperature for layingThe ambient tempera

22、ture for laying shall be above 0, otherwise the cable need be preheated.4、 安装弯曲半径The bend radius安装时电缆最小弯曲半径见表2。The minimum bend radius of the cable see the table 2表2 电缆安装时最小弯曲半径 Table2 The minimum bend radius of the cable项目Item单芯电缆Single -core 三芯电缆Three -core 无铠装Unarmored有铠装Armored无铠装Unarmored有铠装Arm

23、ored安装时的电缆最小弯曲半径Minimum bend radius of the cable in course of installation.20D15D15D12D靠近连接盒和终端的电缆的最小弯曲半径The minimum bend radius of the cable close to the junction box and terminal15D12D12D10D注：D为电缆外径（mm）。Note: D is outer diameter of the cable5、 敷设方式 Laying电缆没有敷设落差限制。电缆允许敷设在室内、室外、空气中和土壤中，允许局部有积水。电缆敷

24、设方式可以是隧道、管道、电缆沟、桥架、排管，铠装电缆允许直埋地下，钢丝铠装电缆允许垂直敷设。单芯电缆不允许敷设在磁性金属管内。电缆敷设环境应有良好的散热条件。There is no limit of head drop during the cable laying.The cable may be laid in indoor, outdoor, air and soil. The cable may be immersed in water locally. The cable may be laid in tunnel, pipe, trench, conduit and on cabl

25、e bridge. The armored cable can be laid underground, and the wire- armored cable can be laid vertically.The single core cable mustnt be laid in the magnetic metal pipes.The environment of cable laying shall be in good heat dissipation condition.6、 电缆敷设时导体最大允许牵引力和电缆最大允许侧压力The maximum allowed haul-off

26、 force and lateral pressure of cable导体最大允许牵引力计算方法：The calculating method of the maximum allowed haul-off force :铜导体(Cu)：F=70S（N/mm2）。铝导体(Al)：F=40S（N/mm2）。侧压力计算方法：The calculating method of the maximum allowed lateral pressure：P=FR（N/m），最大允许侧压力不超过3000N/m。P=FR（N/m），The maximum allowed lateral pressure3

27、000N/m式中：F牵引力，N； FLateral pressure，N；S导体截面，mm2； SConductor section，mm2；P侧压力，N/m； Plateral pressure，N/m；R电缆弯曲半径，m。 RBend radius，m。7、 电缆运输和保管要求 ： 电缆盘不允许平放。运输中严禁从高处扔下装有电缆的电缆盘，严禁机械损伤电缆。电缆如果需要分段使用，电缆分段后必须用防水封帽将电缆头密封，防止进水。The requirements on transportation and storage:The cable reels shall not be delivere

28、d and stored in flat state.It is strictly forbidden to push the cable reel from the high level in order to prevent the cable from damagesIf the cable should be used sectionally, the head of the cable must be sealed in order to prevent water intake.五、产品表示方法 Expressed method of product1、代号Code系列代号Seri

29、es code 阻燃系列 Flame-retardant series 阻燃A类 Flame-retardant class AZA 阻燃B类Flame-retardant class BZB 阻燃C类Flame-retardant class CZC 阻燃D类Flame-retardant class DZD无卤低烟阻燃系列Low-smoke zero-halogen flame-retardant series 无卤低烟阻燃A类Llow-smoke zero-halogen flame-retardant class AWDZA 无卤低烟阻燃B类Low-smoke zero-halogen

30、 flame-retardant class BWDZB 无卤低烟阻燃C类Low-smoke zero-halogen flame-retardant class CWDZC 无卤低烟阻燃D类Low-smoke zero-halogen flame-retardant class DWDZD导体代号Conductor code铜导体（省略）Copper conductor ( omitted )T铝导体Aluminum conductorL绝缘代号Insulation code交联聚乙烯绝缘 Cross-linking polyethylene(XLPE) insulatedYJ 护套代号1）

31、Sheath code聚氯乙烯护套 Polyvinyl chloride and sheathV聚乙烯护套 Polyethylene sheathY 铠装代号Amour code双钢带铠装steel tape armoured 2细圆钢丝铠装thin steel-wire armoured 3粗圆钢丝铠装thick steel-wire armoured 4双非磁性金属带2）铠装 Double non-magnetic metal tape armoured6非磁性金属丝3）铠装Non-magnetic metal-wire armoured7外护套代号Outer sheath code聚氯乙

32、烯外护套 polyvinyl chloride outer sheath 2聚乙烯外护套 polyethylene outer sheath 3注：1） 包括挤包的内衬层和隔离套等。2） 非磁性金属带包括不锈钢带、铝带等，若订货时未注明，采用何种材料由制造方确定。3） 非磁性金属丝包括不锈钢丝、铜丝、铝丝等，若订货时未注明，采用何种材料由制造方确定。Note: 1) Including the extruding inner covering and separating tape. 2) Non-magnetic metal tapes are including stainless ste

33、el tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned. 3) Non-magnetic metal wires are including stainless steel tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned.2、产品表示方法Expressed method of

34、product产品用型号（型号中有数字代号的电缆外护层，数字前的文字代号表示内护套）、规格（额定电压、芯数、标称截面）和标准编号表示。The product is described as type (figure code of cable outer sheath, the word code in front of the figure means inner sheath), specification(rated voltage, cores numbers, sectional area ) and standards code. 3、产品型号组成The consistent of

35、 specifications产品型号的组成和排列顺序如下：The consistent of specification, as follow:注：非阻燃型电力电缆型号组成中绝缘通常作为系列代号。Note：The insulation in the cable specifications are the series code.4、产品表示方法 Expressed method of product 示例：（1）铜芯交联聚乙烯绝缘（聚乙烯内护套）钢带铠装聚氯乙烯护套电力电缆，额定电压8.7/15kV，三芯，标称截面240mm2，表示为：YJY22-8.7/15 3*240 GB/T 127

36、06.2-2002（2）铜芯交联聚乙烯绝缘（聚乙烯内护套）钢带铠装聚氯乙烯护套阻燃C类电力电缆，额定电压8.7/15kV，三芯，标称截面150mm2，表示为：ZC-YJY22-8.7/15 3*150 GB/T19666-2005/ GB/T 12706.2-2002（3）铜芯交联聚乙烯绝缘（聚乙烯内护套）钢带铠装聚烯烃护套无卤低烟阻燃C类电力电缆，额定电压8.7/15kV，三芯，标称截面185mm2，表示为：WDZC-YJY23-8.7/15 3*185 GB/T19666-2005/ GB/T 12706.2-2002（4）铝芯交联聚乙烯绝缘（聚乙烯内护套）钢带铠装聚烯烃护套无卤低烟阻燃A

37、类电力电缆，额定电压26/35kV，三芯，标称截面185mm2表示为： WDZA-YJLY23-26/35 3*185 GB/T19666-2005/ GB/T 12706.2-2002 Example:（1）Copper conductor ,XLPE insulated, (PE inner sheath) steel tape armoured and PVC sheathed power cables, rated Voltages 8.7/15kV, three cores, Nominal cross area 240mm2, see the following:YJY22-8.7

38、/15 3*240 GB/T 12706.2-2002（2）Copper conductor ,XLPE insulated, (PE inner sheath) steel tape armoured and PVC sheathed class C flame-retardant power cables, rated Voltages 8.7/15kV, three cores, Nominal cross area 150mm2, see the following:ZC-YJY22-8.7/15 3*150 GB/T19666-2005/ GB/T 12706.2-2002（3）Co

39、pper core XLPE insulated (PE inner sheath)steel tape amoured polyolefin sheath low-smoke zero-halogen class c flame-retardant power cables with rated voltage 8.7/15kV, three cores, nominal sectional area 185mm2, see the following WDZC-YJY23-8.7/15 3*185 GB/T19666-2005/ GB/T 12706.2-2002（4）Aluminium

40、core XLPE insulated (PE inner sheath)steel tape armoured polyolefin sheath low-smoke zero-halogen class c flame-retardant power cables with rated voltage 26/35kV, three cores, nominal sectional area 185mm2, see the following WDZA-YJLY23-26/35 3*185 GB/T19666-2005/ GB/T 12706.2-2002六、产品型号、规格Types and

41、 specifications of products1、产品型号 Type of product产品常用型号见表35。 For the common product types , please see the table 35表3额定电压6-35kV交联聚乙烯绝缘电力电缆产品型号Table 3 XLPE insulated power cables with rated voltages from 6kV up to 35kV Type of product型号 Type产 品 名 称Name of product适用范围及环境Applicability and surroundings铜

42、 芯Copper core铝 芯Aluminium coreYJVYJLV交联聚乙烯绝缘聚氯乙烯护套电力电缆XLPE insulated PVC sheath 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 、 in tunnel or cable trench, unable to bear external mechanical forces, Single-core cable in magnetic duct is not permissibleYJYYJLY交联聚乙烯绝缘聚乙烯护套电力电缆XLP

43、E insulated PE sheath power cableYJV22YJY22YJLV22YJLY22交联聚乙烯绝缘双钢带铠装聚氯乙烯护套电力电缆XLPE insulated steel tape armoured PVC sheath 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 mechanical forces, but unable to bear

44、large pulling force 。YJV23YJY23YJLV23YJLY23交联聚乙烯绝缘双钢带铠装聚乙烯护套电力电缆XLPE insulated steel tape armoured PE sheath power cableYJV62YJY62YJLV62YJLY62交联聚乙烯绝缘双非磁性金属带铠装聚氯乙烯护套电力电缆XLPE insulated double non-magnetic metal tape armoured PVC sheath power cableYJV63YJY63YJLV63YJLY63交联聚乙烯绝缘双非磁性金属带铠装聚乙烯护套电力电缆XLPE ins

45、ulated double non-magnetic metal tape armoured PE sheath power cableYJV32YJY32YJLV32YJLY32交联聚乙烯绝缘细圆钢丝铠装聚氯乙烯护套电力电缆XLPE insulated thin steel-wire armoured PVC sheath 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 。YJV33YJY33YJLV33YJLY33交联聚乙烯绝缘细圆钢丝铠装聚乙烯护套电力电缆XLPE insulated thin steel-wire armoured PE sheath power cable YJV42 YJY42YJLV42 YJLY42交联聚乙烯绝缘粗圆钢丝铠装聚氯乙烯护套电力电缆XLPE insulated thick steel-wire armoured PVC sheath power cable YJV43 YJY43YJLV43