Abstract
Preliminary experiments for a planning project to develop terahertz wave devices for non-contact and non-destructive diagnosis of electric power facilities are presented. A reflection-type terahertz time-domain spectroscopy was built to study the possible applications in diagnosing defects occurred in insulation materials or other nonmetallic parts of electric power facilities.
Highlights
As a light between radio waves and infrared, terahertz wave has some unique properties which are expected to be used in a wide range of fields [1-10]
We present preliminary experiments on detecting insulation material samples with simulated defects to demonstrate the feasibility of terahertz wave in diagnosing electric power facilities
Polymer insulator is composed of fiber reinforced plastic (FRP) with coating silicon gum tightly
Summary
As a light between radio waves and infrared, terahertz wave has some unique properties which are expected to be used in a wide range of fields [1-10]. Applications of terahertz wave to non-contact and non-destructive diagnosis is attracted in recent years, since it can pass through a variety of amorphous substancesmany synthetics, textiles and plastic products. It is expected to be applied to the surface and inner-structure diagnosis of insulated products used for electric power facilities. Cooperating with an electric power company, a project of developing non-contact and non-destructive diagnosis of electric power facilities with terahertz wave is under planning in our institute. As part of preparation for the project, we performed preliminary experiments to study the properties of insulation materials in terahertz regime and explore the possible applications in diagnosis of electric power equipment. We present preliminary experiments on detecting insulation material samples with simulated defects to demonstrate the feasibility of terahertz wave in diagnosing electric power facilities
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