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0.6/1kV交联聚乙烯绝缘电力电缆
XLPE insulated power cables with rated voltages 0.6/1kV
交联聚乙烯绝缘电缆适用于配电网、工业装置等领域,用于固定敷设在交流50Hz、额定电压0.6/1kV的电力输配电线路上,主要功能是输送电能。交联聚乙烯绝缘电缆具有卓越的热—机械性能,优异的电气性能和耐化学腐蚀性能,还具有结构简单、重量轻、敷设不受落差限制等优点,交联电缆是目前广泛用于城市电网、矿山和工厂的新颖电缆。
交联聚乙烯绝缘阻燃电缆适用于要求电缆具有阻燃性能的场合。
交联聚乙烯绝缘耐火电缆适用于高层建筑、油田、电站、电厂、矿山、化工、矿井、地铁等要求防火条件高的场合,也是应急电源、消防泵、电梯通讯信号系统的应备电缆,该产品具有较高的耐火能力,在经受火焰直接燃烧的情况下,在一定时间内(不小于3h)不发生短路和断路故障,确保继续供电以维持照明和传输信号,保护人员有足够的时间安全撤离,且利于灭火及减小损失。
交联聚乙烯绝缘无卤低烟电缆特别适用于地下铁道、地下商场、大型购物中心、高层建筑等人口稠密、通风受限的场合。
This product is applicable to being fixedly laid on the transmission and distribution line of alternative current rating 50Hz and rated voltage up to 0.6/1.0Kv with the use for power transmission, which is applied to the range of distribution network, industrial equipments, etc.
This product is nomal used cable, not suitable for some special situation, such as aerial, underwater, ship, sea, nuclear station, etc.
本产品采用硅烷交联的方法,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℃,显著提高电缆的载流能力。
This product is manufacutured by SV method, the straight-chain polyethtlene will be changed as network structure by use this method, which transformed thermoplastric material into thermosetting material. The working temperature is up to 90℃, which can riase the cable current capacity highly.
本产品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。
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.
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。
The product characteristic is simple structure, short production period, easy installation and maintaince, especially there is no limit of head drop during the cable laying.
GB/T 12706.1-2002 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1部分:额定电压 1kV(Um=1.2 kV)和3 kV(Um=3.6 kV)电缆
Power cables with extruded insulation and their for rated voltages from 1kV(Um=1.2kV) up to 35kV(Um=40.5kV) Part 1:Cables for rated voltages of 1kV(Um=1.2kV) and 3 kV(Um=3.6 kV)
IEC 60502-1:1997 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 1 kV(Um=1.2kV)和3 kV(Um=3.6kV)电缆
Power cables with extruded insulation and their for rated voltages from 1kV(Um=1.2kV) up to 35kV(Um=40.5kV) Part 1:Cables for rated voltages of 1kV(Um=1.2kV) and 3 kV(Um=3.6 kV)
Q/12BJ4973-2002 额定电压0.6/1kV 五芯塑料绝缘电力电缆
Q/12BJ4973-2002 Five cores extruded plastic insulated power cables with rated voltages 0.6/1kV
GB/T 3956-1997 电缆的导体
GB/T 3956-1997 Conductor of Cables
GB/T19666-2005 阻燃耐火电线电缆通则
GB/T 19666-2005 General Rules of flame-retarding and fireproof cables
1、 额定电压Rated Voltage
电缆额定电压U0/U(Um)为:0.6/1(1.2)kV
Rated Voltage of cable U0/U(Um)::0.6/1(1.2)kV
其中:Notes:
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;
Rated A.C. Voltage between conductor and ground/metal screen;
U:电缆设计用的导体间的额定工频电压;
Rated A.C. Voltage between conductors
Um:设备可承受的“最高系统电压“的最大值。
The maximum system voltage which the equipments can be beared
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:
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:
——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。
System category A —When any phase of cable conductor is contacting with earth conductor, the cable will be isolated with the system.
——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。
System category B—The system is allowed to run for 8 hours, when the single-phase earth fault is existing. And the total earth-fault time of 1 year won't be above 125 hours.
——C类:包括不属于A类和B类的系统。
System categoryC —They are including all systems besides A and B.
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。
When the system earth fault can't be removed automatically, the life of cable will be shortened in some degree because of the over-high electric stess beared 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 book 1, which are suitalbe for the three systems.
表1 额定电压U0推荐值
Table1 The recommended figure of U0
系统最高电压Um/ kV The maximum system voltage | 额定电压/Kv Rated Voltage/ kV | |
A类、B类 System categories A and B | C类 Systems categories C | |
1.2 | 0.6 | 0.6 |
2、 导体额定工作温度
The rated temperature of conductor
电缆导体的最高额定工作温度为90℃。
The maximum assigned temperature of the cable conductor is 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℃。
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
Ambient temperature for laying
电缆敷设时的环境温度应不低于0℃,否则需要事先预热。
During the cable laying, the ambient temperature must be above 0℃,
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 bending diameter must be above the following standard:
表2 电缆安装时最小弯曲半径
Table2 The minimun 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 r | 无铠装 Unarmored | 有铠装 Armored r | |
安装时的电缆最小弯曲半径 Minimun bend radius of the cable in course of installation | 20D | 15D | 15D | 12D |
靠近连接盒和终端的电缆的最小弯曲半径 The minimun bend radius of the cable close to the junction box and terminal | 15D | 12D | 12D | 10D |
注:D为电缆外径(mm)。Note:D is outer diameter of the cable |
5、 敷设方式
电缆没有敷设落差限制。There is no limit of head drop during the cable laying.
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。
The cable may be laid in indoor, outdoor, air and soil. The cable may be immersed in water locally.
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。
The cable may be laid in tunnel, pipe, trench, conduit and on cable bridge. The amoured cable can be laid undergroud, and the wire- amoured cable can be laid vertically.
单芯电缆不允许敷设在磁性金属管内。
The single core cable mustn't be laid in the magnetic metal pipes.
电缆敷设环境应有良好的散热条件。
The enviroment 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 maxium allowed haul-off force and lateral pressure of cable
导体最大允许牵引力计算方法:he calculating method of the maxium allowed haul-off force :
——铜导体:F=70×S(N/mm2)。
——铝导体:F=40×S(N/mm2)。
侧压力计算方法:the calculating method of the maxium allowed lateral pressure:
P=F÷R(N/m),最大允许侧压力不超过3000N/m。the maxium allowed lateral pressure≤3000N/m
式中:F-牵引力,N;lateral pressure
S-导体截面,mm2;conductor section
P-侧压力,N/m;lateral pressure
R-电缆弯曲半径,m。Bend radius
7、 电缆运输和保管要求the requirements on transportation and storage:
电缆盘不允许平放。The cable reels shall not be delivered and stored in flat state
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。It is strictly forbidden to push the cable reel from the high level in order to prevent the cable from damages
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。
If the cable should be used sectionally, the head of the cable must be sealed in order to prevent water intake.
1、代号Code
导体代号Conductor code
铜导体(省略)Copper conductor ( omitted )………………………………………………………………T
铝导体aluminium conductor…………………………………………………………………………………L
绝缘代号Insulation code
交联聚乙烯绝缘 cross-linking polyethylene(XLPE) insulated……………………………………………YJ
护套代号1)Sheath code
聚氯乙烯护套 polyvinyl chloride and sheath………………………………………………………………V
聚乙烯护套 polyethylene sheath……………………………………………………………………………Y
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 amoured………………………………………6
非磁性金属丝3)铠装Non-magnetic metal-wire amoured……………………………………………7
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
系列代号Series code
阻燃系列fire-safe series
阻燃A类flame-retardant class A …………………………………………………………………………ZA
阻燃B类flame-retardant class B ………………………………………………………………………ZB
阻燃C类flame-retardant class C …………………………………………………………………………ZC
阻燃D类flame-retardant class D …………………………………………………………………………ZD
耐火系列fire-safe series
阻燃A类耐火flame-retardant class A fire-safe………………………………………………………ZAN
阻燃B类耐火flame-retardant class B fire-safe………………………………………………………ZBN
阻燃C类耐火flame-retardant class C fire-safe………………………………………………………ZCN
阻燃D类耐火flame-retardant class D fire-safe………………………………………………………ZDN
无卤低烟阻燃、耐火系列low-smoke zero-halogen flame-retardant and fire-safe series
无卤低烟阻燃A类low-smoke zero-halogen flame-retardant class A………………………………WDZA
无卤低烟阻燃B类low-smoke zero-halogen flame-retardant class B ………………………………WDZB
无卤低烟阻燃C类low-smoke zero-halogen flame-retardant class C ………………………………WDZC
无卤低烟阻燃D类low-smoke zero-halogen flame-retardant class D ………………………………WDZD
无卤低烟阻燃A类耐火low-smoke zero-halogen flame-retardant class A fire-safe………………WDZAN
无卤低烟阻燃B类耐火low-smoke zero-halogen flame-retardant class B fire-safe………………WDZBN
无卤低烟阻燃C类耐火low-smoke zero-halogen flame-retardant class C fire-safe………………WDZCN
无卤低烟阻燃D类耐火low-smoke zero-halogen flame-retardant class D fire-safe………………WDZDN
注:Note
1) 包括挤包的内衬层和隔离套等。
Including the extruding inner covering and separating tape.
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。
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) 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。
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 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, sectioal area ) and standards code.
3、产品型号组成The consistant of specifications
产品型号的组成和排列顺序如下:
The consistant of specification, as follow:
①普通电缆型号组成