| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electric wire abnormality detection method, a connection device used for detecting electric wire abnormality, and an electric wire abnormality detection system including the connection device that can detect abnormality of electric wires in an outage section to determine whether or not a tentative charging in the outage section can be carried out without confirming an accident site. <P>SOLUTION: An electric wire abnormality detection method for detecting abnormality of electric wires 3, 3,... hung over certain steel towers 2, 2 comprises the steps of: forming a closed circuit R by connecting the steel towers 2, 2, and the electric wires 3, 3,...; and detecting abnormality of the electric wires 3, 3,... forming the closed circuit R according to a result of measuring a value of resistance of the closed circuit R when voltage is applied to the closed circuit R. <P>COPYRIGHT: (C)2012,JPO&INPIT |
