钢芯中强度铝合金绞线在特高压直流输电线路30 mm 冰区中的应用

摘要:

以重冰区特高压直流输电线路工程为例，将钢芯中强度铝合金绞线与钢芯高强度铝合金导线的电气性能、机 械特性和全寿命周期经济性进行比较分析。研究表明，钢芯中强度铝合金绞线在节约电能、减少损耗和降低年费用 等方面具有显著优势，在重冰区特高压直流输电线路中具有广泛的应用前景。

Abstract:

Abstract: Taking UHVDC transmission line project in heavy icing area for example，the differences in electrical performance， mechanical characteristic and total life cycle economy between aluminum － alloy conductor medium － strength steel reinforced and aluminum － alloy conductor high － strength steel reinforced are analyzed． It shows that，aluminum － alloy conductor medium － strength steel reinforced has significant advantages in saving electric energy，reducing power loss and annual cost etc， which is suggested to be extended in UHVDC transmission lines in heavy icing area．