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Annotation
В работе рассматривается применение ограничителей перенапряжений с внешним искровым промежутком в качестве средства защиты линейной изоляции. В программном комплексе EMTP составлена модель воздушной линии для исследования широкого спектра вопросов по молниезащите. Проанализированы энергетические характеристики РВЛ-110 кВ при ударе молнии в трос, провод в условиях высоких удельных сопротивлений грунтов.
The given work is devoted to application of surge arresters with an external spark gap for protecting insulation of overhead line. Model of overhead line have been created with the EMTP software package for investigating a wide range of issues related to overhead lightning protection. The energy characteristics of surge arresters were determined in the case of a lightning discharge to the overhead ground-wire cable or phase cable. Investigation was carried out in the conditions of high soil resistivity.
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