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220kV交联聚乙烯绝缘电力威尼斯人网站
发布:威尼斯人威尼斯人网站      2009-6-2
发布:威尼斯人威尼斯人网站      2009-3-24
标准Stands
GB/Z 18890-2002《额定电压220kV(Um=252kV)交联聚乙烯绝缘电力威尼斯人网站及其附件》

IEC 62607:1999 《额定电压150kV(Um=170kV)以上至550kV(Um=550kV)挤出绝缘电力威尼斯人网站及其附件-试验方法和要求》
 
特性与用途Propety and Function
交联聚乙烯绝缘电力威尼斯人网站导体工作温度高,传输容量大,电气性能优良,威尼斯人网站附件简单,安装敷设方便等优点,因此在当今电力系统中使用广泛。
Cross-linked polyethylene insulated power cable are featured with high allowable working temperature of conductor,huge transmission capacity,excellent electric properties,simple cable accessories and convenient installment and laying, so that they are widely used in the power system today.
威尼斯人网站适用于工频额定电压为127/220kV(Um=252kV),中心点直接接地的输电线路系统。
The cable can be applied to the neutral-point solid grounded power transmission line system with A.C.rated voltage 127/220kV(Um=252kV).
 
使用特性Properties of Applition
1.威尼斯人网站正常运行时导体允许的长期最高温度为90℃
1.During the normal operation of cables,the max permissible continuous operation temperature of conductor should not exceed 90℃
2.短路时(最长持续时间不超过5秒)威尼斯人网站导体允许的最高温度为250℃。
2.Conductor short-circuit temperature should not exceed 250℃(when max sustaining period will not exceed 5 seconds).
3.威尼斯人网站安装时允许的最小弯曲半径一般为威尼斯人网站直径的25倍。
3.The min permissible bending radius during the cable laying is normally 25 times of the diameter of cables.
4.威尼斯人网站敷设时不受落差限制。
4.Free from restrictions of level difference along the route during the cable laying.
5.低于0℃敷设时,必须预先加温。
5.Pre-heated is needed when the temperature is below 0℃ during the cable laying.
 
型号名称 Type and Description
型号Type 威尼斯人网站名称
Description
使用范围
Scope of Application
铜芯
Copper Core
铝型
Aluminum Core
YJLW02
YJLLW02
交联聚乙烯绝缘皱纹铝套聚氯乙烯护套电力威尼斯人网站
XLPE insulated Corrugated aluminum-sheathing PVC sheathed power cable
威尼斯人网站可敷设在隧道或管道中,威尼斯人网站具有较好的径向防水性能,并能承受一定的压力。
The cable can be laid in tunnels or pipelines,and is equipped with better radial water-resistant performance and can bear certain pressure.
YJLW03
YJLLW03
交联聚乙烯绝缘皱纹铝套聚乙烯护套电力威尼斯人网站
XLPE insulated Corrugated aluminum-sheathing PE sheathed power cable
YJLW02-Z
YJLLW02-Z
交联聚乙烯绝缘皱纹铝套聚氯乙烯护套纵向阻水电力威尼斯人网站
Longitudinal water-resistant power cable of XLPE insulated Corrugated aluminum-sheathing PVC sheathed power cable
威尼斯人网站可敷设在隧道或管道中,威尼斯人网站具有较好的径向和纵向防水性能,并能承受一定的压力。
The cable can be laid in tunnels or pipelines,and is equipped with better radial and longitudinal water-resistant performance and can bear certain pressure.
YJLW03-Z
YJLLW03-Z
交联聚乙烯绝缘皱纹铝套聚乙烯护套纵向阻水电力威尼斯人网站
Longitudinal water-resistant power cable of XLPE insulated Corrugated aluminum-sheathing PE sheathed power cable
 
规格 Specification
 
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