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Документ The historiography of formation and development of theoretical electrical engineering in Ukraine (XX – early XXI century)(Instytut Spraw Administracji Publicznej, Polska, 2020) Lavrinenko, OlgaThe article is devoted to the coverage of the level of scientific elaboration of formation and development of theoretical electrical engineering in Ukraine in the 20th – beginning of the 21st centuries. The author has conducted a comprehensive historiographical analysis of the numerous publications on the formation of this direction in Ukraine and has identified two chronological periods: Soviet era (1930–1991) and modern period (after 1991). Each of these periods have its own characteristics that influenced the collection of scientific literature. Therefore, the complex historiographical research has comprehensively highlighted the directions of scientific investigation and formed the hierarchical structure of the scientific historical work, and the gradual analysis of the literature helped to reveal and distribute the information on the formation and development of theoretical electrical engineering as the basic direction of electrical engineering in Ukraine.Документ Mathematical model for the evaluation of dielectric properties of inner layers of insulation in three-core belted cables(Товариство польських інженерів електротехніки та електроніки, 2023) Kostiukov, Ivan; Lytvynenko, Svitlana; Lavrinenko, OlgaThis paper presents a discussion of properties of the modified inspection scheme, which is used in practice of evaluation of partial capacitances and dielectric dissipation factor of insulating layers in three-core power cables by using aggregate measurements. The applying of the proposed modification allowed to develop an alternative approach for the evaluation of partial capacitances and dielectric dissipation factor.