The Study on Mechanical and Thermal Properties of ACSR 480Rail Conductor with Various Defects

시공유형에 따른 ACSR 480Rail 가공송전선 접속개소의 기계적 및 열적 특성 연구

According to previous report, aged sleeves for old transmission lines have various defect such as biased installation or corrosion of steel sleeve. These defects occupied almost 50 percent of investigated aged sleeves. These defects can cause serious accidents such as rapid increasing of sag or falling out of overhead conductor from sleeves. Moreover, the defects have been limited power capacity of transmission line. This paper study on thermal behavior of ACSR 480Rail conductor and sleeve with various defect model. The detailed results were presented in the text.