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0.6/1-26/35kV塑料绝缘高阻燃（隔氧层）电力电缆

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0.6/1-26/35kV塑料绝缘高阻燃（隔氧层）电力电缆

Plastic Insulated High Performance Flame-retardant Power Cable

产品标准 Standard
　　本产品按GB12706-91《额定电压35kV及以下铜芯、铝芯塑料绝缘电力电缆》、GB12666.5-90《电线电缆成束燃烧试验》、GB/T17650-1998《取自电缆或光缆的材料燃烧时释出气体的试验方法》和GB/T17651-1998《电缆或光缆在特定条件下燃烧的烟密度测定》标准生产0.6/1kV~26/35kV塑料绝缘电力电缆，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 GB12706-91、GB12666.5-90、GB/T17650-1998 and GB/T17651-1998 or IEC and DIN and ICEA.

适用范围 Applications
　　本产品适用于工频额定电压0.6/1kv~26/35KV 输配电线路作配送电能之用。
The product is suitable for power transmission and distribution lines with rated voltage 0.6/1kV~26/35kV.

使用特性 Operating characteristics .
　　工频额定电压U₀/U为0.6/1kV~26/35kV.
Rated power frequency voltage U₀/U:0.6/1kV~26/35kV.
　　PVC绝缘电缆导体的长期工作温度为70℃。XLPE绝缘电缆导体的长期允许工作温度为90℃
PVC insulated power cable Max . permissible continuous operating temperature of the conductor should not exceed 70 ℃,XPLE permissible continuous operating temperature of the conductor should not exceed 90℃.
　　短路时（最长持续时间不超过5s）电缆导体的温度不超过250
Max Short –circurrt temperature of conductor shall not exceed 250.(5s maximum duration)
　　电缆敷设时环境温度不低于0℃
The installation temperature should not below 0℃
　　电缆阻燃性能满足GB12666.5-90标准A类相应指标要求。
The flame-ratardant properties of cable comply with the requirements specified in A kind of GB12666.5-90
　　低卤电缆除应满足GB12666.5-90标准中A类相应指标要求外，还应满足GB/T17650.1-1998标准规定的相应指标。
The flame-retardant properties of lower halogen cable comply with requirements specified in A kind of GB12666.5-90 except compluing with requirements specified in GB/T17650.2-1998 .
　　无卤电缆除应满足GB12666.5-90标准中A类相应指标要求外，还应满足GB/T17650.2-1998和GB/T17651-1998标准规定的相应指标。
The flame-retardant properties of no halogen cable comply with requirements specified in A kind of GB12666.5-90 except compluing with requirements specified in GB/T17650.2-1998 .ａnd GB/T17651-1998.
　　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。
Three bending radius of a single core should not less than 20 times of the cable diameter
Two bending radius of a three-core cable should not less than 15 times of the cable diameter.

电缆额定电压的选择 Voltage designation
　　电缆额定电压应适合于电缆的系统的运行状况，用U₀/U（U_m）表示，均为有效值，单位为kv
　　U₀- 电缆设计用导体与屏蔽或金属套之间的额定工作电压；
　　U—电缆设计用导体之间的额定工频电压；
　　U_m –设备可承受的“系统"电压的**值。
The rated voltage of the cable for a given application shall be suitable for the operating condition in the system in which the cable is used , and is expressed in the form of U₀/U（U_m）are applied to the system voltages and running state , and expressed in the form U₀/Ukv.
U₀-The rated power-frequency voltage between conductor and earth or metallic screen ,for which the cable designed .
U-The rated power –frequency voltage between conductors for which the cable designed.
U_m- –The maximum value of “the highest system voltage "for which the equipment may be used.

三相系统用电缆的U₀值推荐如下表：
The values U₀ recommended for cables to be used in three-phase systems are listed below:

**类——用于单相接地故障时间每一次一般不大于1min，亦可用于最长不超过8小时，每年累计不超过125小时的系统。
第二类——用于接地故障时间更长的系统及对电缆绝缘性能要求较高的场合。
The first class cable – suitable for one single –phase earthing – block time does not exceed one minute each time. Max. time not exceed 8 hours ,ａnd not exceed 125 hours in all in one year.
The second class cable – suitable for more the earthing – block time and more better insulated performa.

电缆的型号 Type of cable

0.6/1kv高阻燃（隔氧层）电缆的生产范围
Production Range of high performance flame –retardant cable

1.8/3~26/35kv高阻燃（隔氧层）电缆的生产范围
Production Range of high performance flame- retardant cable

注：单芯铠装型高阻燃（隔氧层）电缆仅用于直流系统，应采用非磁性材料的铠装层或采用隔磁措施。
Note: The single-core armoured high performance flame-retardant cables are used for d.c system only, as for a . c. system non-magnetic aromour materials should be or magnetic isolation should be applied.

电缆结构图

电缆主要技术参数 Main technical data of cable
20℃时导体**直流电阻 Max.D.C resistance of conductor at 20℃

电压试验、局部放电试验 Voltage test and partial discharge

导体短路电流 Short –circuit current

电容、电感（参考值） Capacitance and inductance of cable (reference value)
电容 Capacitance

单芯电缆电感 Inductance of single core cable

三芯电缆电感 Inductance of three cores cable

电流载流量 The current carrying capacity
0.6/1kv聚氯乙烯绝缘电力电缆 0.6/1kv PVC insulated power cable (A)

在土壤中的敷设 Buried (A)

0.6/1KV交联聚氯乙烯绝缘非铠装型电力电缆 0.6/1kv XPLE insulated unarmoured power cable (A)

0.6/1-26/35kV塑料绝缘高阻燃（隔氧层）电力电缆 0.6/1KV 交联聚乙烯绝缘铠装型电力电缆 0.6/1kv XLPE insulated armoured power cable (A)

3.6/6~26/35kv

0.6/1-26/35kV塑料绝缘高阻燃（隔氧层）电力电缆

金属屏蔽层的短路电路 Short circuit current of screen
单芯电缆 Single core

0.6/1-26/35kV塑料绝缘高阻燃（隔氧层）电力电缆

三芯电缆 Three-cores

·载流量计算条件：
Current ratings are calculated for the following installation conditions:
导体工作温度 Max. Rated temperature of the cable conductor
聚氯乙烯绝缘为70℃，交联聚乙烯绝缘为90℃
PVC insulated 70℃ ,XPLE insulated 90℃
环境空气温度：
Ambient air temperature 40℃
土壤温度：
soil temperature 25℃
土壤热阻系数：
Rating factors for ground thermal resistive 1.0. ℃ m/w
埋设深度： Depth 0.8m
仅考虑一个回路 Single circuit parallel laid
单芯电缆为水平敷设,间距为一个电缆外径
Single core is paralleled installation .Adjacent space is equivalent to the diameter of cable.

环境条件对电缆载流量的修正系数
Rating factors of current rating for ambient condition
土壤敷设 Direct in ground
不同土壤温度下载流量修正系数 Rating factors of current rating for ambient temperature

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