DC±500kV oil-filled submarine cable crossing Kii-Channel

摘要

This paper describes the design, manufacturing and installation work of approx. 50km of DC ±500kV Oil-Filled Submarine Cable installed to cross Ku-Channel from Anan City of Tokushima Pref. to Yura Town of Wakayama Pref. consisting of Anan-Kihoku DC Transmission Line Project developed jointly by The Kansai Electric Power Co., Inc. and Electric Power Development Co., Ltd.. This Oil-Filled Submarine Cable is the world biggest in its voltage (DC ±500kV), capacity (2800MW/cct) as well as its scale.