XLPE电缆排管敷设时稳定载流量的理论计算  

Theoretical Calculation of Steady Current-Carrying Capacity for XLPE Cable of Duct Laying

作　　者：高升宇 顾自强 王震 张书鸿 刘淞泊[3] 

机构地区：[1]无锡电力公司,江苏省无锡市214000 [2]上海三原电缆附件有限公司,上海市201206 [3]上海电缆研究所,上海市200093

出　　处：《电力设备》2007年第9期6-11,共6页Electrical Equipment

摘　　要：介绍了排管敷设方式的交联电缆载流量的理论计算,包括单根电缆,等负载等截面多根电缆,负载不等、线芯截面不同的电缆,部分电缆等截面、等负载,部分电缆不等负载、不同截面的4种情况下埋地排管敷设方式的电缆载流量计算公式,并与无锡供电公司排管敷设载流量试验结果相比较,理论计算值与试验值误差不超过7%,符合工程需要。The paper introduced theoretical calculation of steady current-carrying capacity for XLPE cable of duct laying, including the cable current-carrying capacity calculation formula under 4 kinds of condition of duct laying, such as single cable; multi cable of equal load and equal section; the cable with different load and line core section; partial cables with equal load and equal section and partial cables with different load and line core section. The comparison with test result of current-carrying capacity for XLPE cable of duct laying in Wuxi Power Supply Co. shows that the error between theoretical calculation and test value does not exceed 7%, which accords with the needs of project.

关 键 词：排管敷设 电缆 载流量 理论计算 温升 

分 类 号：TM247[一般工业技术—材料科学与工程]