220kV输电线路重冰区单根大截面导线选型  

Study on the Heavy Ice Single Large Section Conductor of 220 kV Transmission Line

作　　者：唐春林 李辉 李林 朱伟俊 徐志鸿 刘庆丰 TANG Chun-lin;LI Hui;LI Lin;ZHU Wei-jun;XU Zhi-hong;LIU Qing-feng(Hunan Electric Power Design Institute Co.,Ltd.,Changsha 410007,China)

机构地区：[1]湖南省电力设计院有限公司,湖南长沙410007

出　　处：《电线电缆》2018年第2期18-22,共5页Wire & Cable

摘　　要：国内常规的220 kV输电线路30 mm及以上重冰区导线普遍采用双分裂钢芯铝合金绞线,结合湖南某风电送出工程的实际情况,开展单根大截面导线的电气性能、机械性能、本体投资和年费用的比较分析。研究表明,30 mm及以上冰区采用单根大截面型线钢芯中强度铝合金绞线年费用最小,节能效果最好,杆塔荷载较轻,本体投资省,具有明显优势,可推荐使用。The double split conductors with steel core aluminum alloy stranded are widely used for the220kV transmission line in30mm and above heavy icing areas in our country.According to the actual situation of Hunan province wind power transmission engineering,This paper carries out a single large sectional conductor electrical performance,mechanical prop-erties,comparative analysis of body investment and annual cost.The research shows that,30mm and above heavy icing areas using a single large section line strength steel core wire aluminum alloy minimum annual cost,energy-saving effect is best,tower load could be lighter,also investment in ontology,have obvious advantages,and recommended to use.

关 键 词：重冰区 导线 大截面 年费用 

分 类 号：TM244.1[一般工业技术—材料科学与工程]