2504 絶縁水平パイプ取付金具の課電暴露試験(電力給電システム2,SS2:メンテナンス,コストダウン,第18回交通・物流部門大会(TRANSLOG2009))

概要

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An Insulation pipe is one of electric overhead line components. It is wound Fiber Reinforced Plastics around Steel (SS400). It is used for the support of electric overhead line equipments, and for insulation purpose. We have information regarding accident reports of dielectric breakdown, however, none of accident reports of mechanical fracture. Therefore, in order to measure the leak current of an insulation pipe, we examined DC field test in salt-attack environment. As the result, leak current flowed in rain and after rain. However, DC field test was continued, primary damage is received not an insulation pipe but a metal attachment by salt attack. In an old examination, a metal attachment is Zinc-coated, however, now saturated polyester is coated on Zinc-coated attachment.
2009-12-02