额定电压35KV及以下铜、铝芯交联聚乙烯绝缘电力电缆

1、.：.； PAGE 21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、工业安装或其他需求大容量用电领域，用于固定敷设在交流50Hz、额定电压6kV35kV的电力输配电线路上，主要功能是保送电能。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，可防止火灾事故扩展以减少损失，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。

2、交联聚乙烯绝缘无卤低烟阻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运用的产品，不适用一些特殊条件的场所，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

3、 kV with the 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 c

4、an avoid fire 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

5、 suitable to 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构造变为三维网状构造，由热塑性资料变成热固性资料，任务温度

6、从70提高到90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，具有长期的运用寿命。无卤低烟阻燃交联聚乙烯绝缘电缆具有优良的阻燃特性，护套资料不含卤素，可以保证在熄灭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，具有长期的运用寿命。本产品构造简单，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 p

7、arasitical 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 raiseXLPE polyethylene insulated power cables, the product

8、 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-retardant low-smoke zero-halogen flame-ret

9、ardant 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 resistance, environmental stress cracking res

10、istance 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、产品执行规范 StandardsIEC 60502-2:1997 额定电压1 kV(Um=1

11、.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 kVUm=36 kVGB/T 12706.2-2002 额定电压1 kV(Um=1.2 kV)到35 kV(Um=40.

12、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 kVUm=36 kVGB/T 12706.3-2002 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

13、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那么General Rules of flame-retarding and fireproof cablesGB/T 3956-1997 电缆的导体 Conductor of

14、Cables四、运用特性 Operating characteristics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：电缆设计用的导体间的额定工频电压；Um：设备可接受的“最高系统电压的最大值。电缆的额定电压应适宜电

15、缆所在系统的运转条件。为了便于选择电缆，将系统划分为以下三类：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：可在单相接地缺点时作短时运转，但任何情况下不宜超越8h，每年接地缺点总继续时间不宜超越125h。C类：包括不属于A类和B类的系统。注：在系统接地缺点不能立刻自动解除时，缺点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转在耐久的接地缺点形状下，该系统应划为C类。Notes：U0：Rated A.C. Voltage between conductor and ground/metal screen;U：Rated A.C. Vo

16、ltage 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 types as follow: System category A This categ

17、ory 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 ,are operated for shortage with one phase e

18、arthed. 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 fall into A and B。When the system earth fault

19、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的引荐值见表1。The recommended figure of U0 see the table 1, which are suitable for the three systems.:表1 额定电压U0引荐值Table1 the recommended figure

20、 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 C7.23.66.012.06.08.717.58.712.024.012.018.036.018.040.52126导体额定任务温度电缆导体的最高额定任务温度为90短路时最长继续时间不超越5s电缆导体的最高温度不超越250The rated temperature of conductorThe maximum assigned tempe

21、rature of the cable conductor is 90During having a short circuit, lasting less than 5 seconds, the maximum temperature of the cable conductor shall not be above 250敷设环境温度 电缆敷设时的环境温度应不低于0Ambient temperature for layingThe ambient temperature for laying shall be above 0安装弯曲半径The bend radius安装时电缆最小弯曲半径见

22、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工程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Armored安装时的电缆最小弯曲半径Minimum bend radius of the cable in course of installation.20D15D15D12D接近衔接盒和终端的电缆的最小弯曲半径The

23、 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 cable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，允许部分有积水。电缆敷设方式可以是隧道、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 dur

24、ing 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 cable bridge. The armored cable can be laid underground, and the wire- armored cable can be laid vertically.The singl

25、e core cable mustnt be laid in the magnetic metal pipes.The environment of cable laying shall be in good heat dissipation condition.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 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(

26、Cu)：F=70SN/mm2。铝导体(Al)：F=40SN/mm2。侧压力计算方法：The calculating method of the maximum allowed lateral pressure：P=FRN/m，最大允许侧压力不超越3000N/m。P=FRN/m，The maximum allowed lateral pressure3000N/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 radi

27、us，m。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。电缆假设需求分段运用，电缆分段后必需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 delivered and stored in flat state.It is strictly forbidden to push the cable reel from the high level in order to prevent the cable fr

28、om 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Series 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

29、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 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-re

30、tardant 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1Sheath 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 stee

31、l-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聚氯乙烯外护套 polyvinyl chloride outer sheath 2聚乙烯外护套 polyethylene outer sheath 3注：包括挤包的内衬层和隔离套等。非磁性金属带包括不锈钢带、铝带等，假设订货时未注明，采用何种资料由制造方确定。非磁性金属

32、丝包括不锈钢丝、铜丝、铝丝等，假设订货时未注明，采用何种资料由制造方确定。Note: 1) Including the extruding inner covering and separating tape. 2) Non-magnetic metal tapes are including stainless steel tape, aluminium tape, etc. The materials will determined by the manufacturer, if the buyer not mentioned. 3) Non-magnetic metal wires ar

33、e 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 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、标称截面和规范编号表示。The product is described as type (figure code of cable outer sheath, the wor

34、d 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 specifications产品型号的组成和陈列顺序如下：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 specificati

35、ons are the series code.4、产品表示方法 Expressed method of product 例如：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240mm2YJY22-8.7/15 3*240 GB/T 12706.2-20022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150mm2ZC-YJY22-8.7/15 3*150 GB/T19666-2005/ GB/T 12706.2-20023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

36、低烟阻燃C类电力电缆，额定电压8.7/15kV，三芯，标称截面185mm2WDZC-YJY23-8.7/15 3*185 GB/T19666-2005/ GB/T 12706.2-20024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:1Copper conductor ,XLPE insulated, (PE inner sheath) steel tape armoured

37、 and PVC sheathed power cables, rated Voltages 8.7/15kV, three cores, Nominal cross area 240mm2, see the following:YJY22-8.7/15 3*240 GB/T 12706.2-20022Copper conductor ,XLPE insulated, (PE inner sheath) steel tape armoured and PVC sheathed class C flame-retardant power cables, rated Voltages 8.7/15

38、kV, three cores, Nominal cross area 150mm2, see the following:ZC-YJY22-8.7/15 3*150 GB/T19666-2005/ GB/T 12706.2-20023Copper 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,

39、 nominal sectional area 185mm2, see the followingWDZC-YJY23-8.7/15 3*185 GB/T19666-2005/ GB/T 12706.2-20024Aluminium 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

40、 sectional area 185mm2, WDZA-YJLY23-26/35 3*185 GB/T19666-2005/ GB/T 12706.2-2002六、产品型号、规格Types and 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 fro

41、m 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 芯Copper core铝 芯 coreYJVYJLVYJYYJLYYJV22YJY22YJLV22YJLY22。YJV23YJY23YJLV23YJLY23YJV62YJY62YJLV62YJLY62double non-magnetic metal tape armoured PVC sheath power cableYJV63YJY63YJLV63YJLY63double non-magn

42、etic metal tape armoured PE sheath power cableYJV32YJY32YJLV32YJLY32YJV33YJY33YJLV33YJLY33YJV42 YJY42YJLV42 YJLY42YJV43 YJY43YJLV43 YJLY43YJV72 YJY72YJLV72 YJLY72 non-magnetic metal wire armoured PVC sheath power cableYJV73 YJY73YJLV73 YJLY73交联聚乙烯绝缘非磁性金属丝铠装聚乙烯护套电力电缆 non-magnetic metal wire armoured

43、PE sheath power cable 表4额定电压6-35kV交联聚乙烯绝缘阻燃电力电缆产品型号Table 4 XLPE insulated flame-retardant 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 芯Copper core铝 芯 coreZC-YJVZC-YJLVZC-YJYZC-YJLYZC-YJV22ZC-YJY22ZC-YJLV22ZC-

44、YJLY22ZC-YJV23ZC-YJY23ZC-YJLV23ZC-YJLY23ZC-YJV62ZC-YJY62ZC-YJLV62ZC-YJLY62double non-magnetic metal tape armoured PVC sheath class C flame-retardant power cableZC-YJV63ZC-YJY63ZC-YJLV63ZC-YJLY63double non-magnetic metal tape armoured PE sheath class C flame-retardant power cableZC-YJV32ZC-YJY32ZC-YJ

45、LV32ZC-YJLY32ZC-YJV33ZC-YJY33ZC-YJLV33ZC-YJLY33ZC-YJV42 ZC-YJY42ZC-YJLV42 ZC-YJLY42ZC-YJV43 ZC-YJY43ZC-YJLV43 ZC-YJLY43ZC-YJV72 ZC-YJY72ZC-YJLV72 ZC-YJLY72non-magnetic metal WIRE amoured PVC sheath class C flame-retardant power cableZC-YJV73 ZC-YJY73ZC-YJLV73 ZC-YJLY73交联聚乙烯绝缘非磁性金属丝铠装聚乙烯护套电力电缆non-mag

46、netic metal wire armoured PE sheath class C flame-retardant power cable注: 阻燃等级分为四类，包含阻燃A类、B类、C类、D类, 上表所示为“C类Note: the flame resistance performances are divided into four grades: class A, class B class C and class D，The class of the above table is C class.表5额定电压6-35kV交联聚乙烯绝缘阻燃电力电缆产品型号Table 5 XLPE ins

47、ulated flame-retardant 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 芯Copper core铝 芯 coreWDZC-YJYWDZC-YJLYWDZC-YJV23WDZC-YJY23WDZC-YJLV23WDZC-YJLY23WDZC-YJV63WDZC-YJY63WDZC-YJLV63WDZC-YJLY63double non-magnetic

48、metal tape amoured polyolefin sheath low-smoke zero-halogen class C flame-retardant power cablesWDZC-YJV33WDZC-YJY33WDZC-YJLV33WDZC-YJLY33WDZC-YJV43 WDZC-YJY43WDZC-YJLV43 WDZC-YJLY43WDZC-YJV73 WDZC-YJY73WDZC-YJLV73 WDZC-YJLY73交联聚乙烯绝缘非磁性金属丝铠装聚烯护套电力电缆non-magnetic metal wire amoured polyolefin sheath l

49、ow-smoke zero-halogen class C flame-retardant power cables注: 无卤低烟阻燃等级分为四类，包含阻燃A类、B类、C类、D类, 上表所示为“C类Note: the flame resistance performances are divided into four grades: class A, class B class C and class D，The class of the above table is C class.2、产品规格Specification of product产品额定电压、导体标称截面和芯数见表6。For

50、product rated voltage, conductor sectional and the numbers of cores, please see the book 6.表6 产品额定电压、导体标称截面和芯数Table 6 rated voltage, sectional area of conductor and the numbers of cores导体标称截面/mm2Nominal cross area of conductor/mm2芯数Number of cores3.6/6 kV6/6、6/10 kV8.7/10、8.7/15 kV12/20 kV18/30 kV21

51、/35 kV26/35 kV101、3161、32525251、3353535351、3505050505050501、3707070707070701、3959595959595951、31201201201201201201201、31501501501501501501501、31851851851851851851851、32402402402402402402401、33003003003003003003001、34004004004004004004001、35005005005005005005001、36306306306306306306301800800800800800

52、80080011000100010001000100010001000112001200120012001200120012001七、产品构造Product structure1、导体 Conductor铜导体采用TR型软铜线，铝导体采用LY4型或LY6型硬铝线，经绞合、紧压而成，其中800mm2及以下导体采用紧压圆形构造，1000mm2及以上导体采用分割导体构造。The materials of copper conductor shall be TR soft copper wire which are stranded and extruded. The materials of the

53、 aluminum conductor shall be LY4 OR LY6 hard aluminum wire which are stranded and extruded. The structure of conductors whose sectional area is 800mm2 and below shall be tightened cylinder, and the structure of conductors whose sectional area are 1000mm2 and above shall be segmental.2、导体屏蔽Conductor

54、screen采用交联型半导电屏蔽料，标称截面500mm2及以上导体屏蔽由绕包半导电带和挤包半导电层复合组成。The materials shall be cross-linked semiconductor screen material. The screen materials of conductors whose sectional area are 500mm2 and above shall be compounded overlapped semi-conductive tape and extruded semi-conductive layer.3、绝缘Insulation采

55、用交联聚乙烯XLPE挤包在导体屏蔽上。The insulation shall be the XLPE extruded on the conductor screen.4、绝缘屏蔽Insulation screen采用挤包型可剥离交联半导电屏蔽料。The insulation screen shall be the extruding unstrippable semi-conductor screen material.导体屏蔽、绝缘和绝缘屏蔽采用三层共挤一次成型。The conductor screen, insulation and insulation screen are extr

56、uded simultaneously and foamed one step.5、金属屏蔽 Metal screen采用软铜带或铜丝，铜带为单层重叠绕包，铜丝为多根同心绞合，直接包覆在每根绝缘线芯之外。电压等级为35kV电缆，标称截面500mm2及以上电缆应采用铜丝屏蔽构造，其外表运用反向绕包的铜丝或铜带扎紧。The metal screen shall be soft copper tape whose tapping mode will be single layer overlapping and copper wire whose tapering mode will be mult

57、iple concentric stranding. The two kinds of metal screen will be coated on every insulated cores .The cable with nominal sectional area 500mm2 and above and voltage 35kV shall used copper wire as their screen structures ,whose surface will be tightened by tapered copper tape or copper wire.6、隔离套有铠装电

58、缆Inner sheathArmoured cables采用聚氯乙烯PVC或聚乙烯PE挤包在缆芯上。The separated sheath is the extruding PVC or PE on the cable cores.7、铠装 Armoured多芯电缆采用镀锌钢带或镀锌钢丝，用于交流回路的单芯电缆采用非磁性金属带或金属丝见第五条。金属带采用双层间隙绕包，金属丝采用多根同心绞合。注：大量现实证明，采用某种特殊构造铠装如添加铜丝的隔磁构造的单芯电缆用于交流回路时均出现电缆发热导致载流量大为下降的景象，所以不引荐采用。The amour of the multiple cable s

59、hall be zinc-plated steel tape or wire, but the amour of the single cable used in AC circuit shall be non-magnetic metal-tape or metal-wire. The tapering mode of metal tape should adopt double layer open tapering, and the mode of metal wire shall multiple concentric stranding.Note: A large number of

60、 facts show that the single cable with the special structure amour in the AC circuit exists the heating phenomenon, thus causing the reduction of current capacity. The manufacturer dont suggest to adopt this kind cable.8、外护套Outer sheath交联聚乙烯绝缘电力电缆采用ST2型聚氯乙烯护套料或ST7型聚乙烯PE护套料挤包在铠装、金属屏蔽或缆芯上。交联聚乙烯绝缘阻燃电力电