Satoru Maruyama, Sakurako Tomii, Yudai Tomita, Yuki Matsumoto
Abstract
In the Power Cable Division, we are focusing on the fields of submarine cables for renewable energy, direct current (DC) cables, and ultra-high voltage underground cables as the pillars of our efforts toward a decarbonized society and our Medium-term Management Plan 2022-2025 (2025 Mid-term Plan). The activities in order to increase the efficiency of product developments using scientific calculations are underway. This paper is described about the results obtained from the evaluation of steel wire armour loss in submarine cables, the evaluation of DC insulation materials based on quantum chemical calculations, and the simulation of the internal pressure when a ground fault occurs at cable terminations. It would be expected that these achievements will not only achieve our company’s goals but will also contribute to technological developments on the power cable.
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