Fig. 1. Picture of current monitoring system, (a) installation of current monitoring system on OCL (overhead contact line) in Honam high-speed line and (b) program for analysis of current.
Fig. 2. Infrastructure gauge of Honam high-speed line from Iksan to Jungub.
Fig. 3. Results of current wave from between contact and catenary wire of HEMU-430X on Honam HSR, (a) 159 km/h, (b) 290 km/h, (c) 349 km/h, and (d) 370 km/h.
Fig. 4. Results of current analysis of catenary system on Honam HSR line, (a) current wave and (b) frequency analysis.
Table. 1. Physical properties of overhead contact wire and catenary wire.