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I. K. Kang, “Electric Railway System Engineering,” Sungandang, pp. 322~329, 2002.

EN 50124-1, Railway applications-Insulation coordination Part 1 : Basic requirements-Clearances and creepage distances for all electrical and electronic equipment, pp. 32~34, 2005.

IEEE 48, Test Procedures and Requirements for AlternatingꠓCurrent Cable Terminations Used on Shielded Cables Having Laminated Insulation Rated 2.5 kV through 765 kV or Extruded Insulation Rated 2.5 kV through 500 kV, pp. 19~21, 2020.

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KRS PW 0055-09, Polymeric composite stem insulator for cantilever/HSL, pp. 3, 2009.

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