NONDESTRUCTIVE TESTING OF OVERHEAD TRANSMISSION LINES—NUMERICAL AND EXPERIMENTAL INVESTIGATION Conference Paper uri icon

abstract

  • Overhead transmission lines are periodically inspected using both on-ground and helicopter-aided visual inspection. Factors including sun glare, cloud cover, close proximity to power lines and the rapidly changing visual circumstances make airborne inspection of power lines a particularly hazardous task. In this study, a finite element model is developed that can be used to create the theoretical dispersion curves of an overhead transmission line. The numerical results are then verified with experimental test using a non-contact and broadband laser detection technique. The methodology developed in this study can be further extended to a continuous monitoring system and be applied to other cable monitoring applications, such as bridge cable monitoring, which would otherwise put human inspectors at risk. © 2009 American Institute of Physics.

author list (cited authors)

  • Kulkarni, S., & Hurlebaus, S.

publication date

  • January 1, 2009 11:11 AM

publisher

  • AIP  Publisher