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For stable control of electric power systems, robust protection systems, rapid recovery of breakdown points when troubles occur, subsequent stabilization of electric power systems after trouble and si...mplification of sensing systems, are required. Laser instrumentation can be measure the magnetic flux and the electric current without direct physical contact. In this study, as the first step by measuring the characteristics of various materials, we selected an useful optical material for measuring current and calculated its optimum thickness. As the second step, we made an optical current transformer composing of the optical relay system. Finally, we evaluated the performance of the prototype optical current transformer by comparing with pure resistor current transformer.続きを見る
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Mendeley出力
