Abstract

Advances in submarine power cables technology are allowing power cables to conquer major ocean distances and depths between States. This chapter describes the development of power cables, examines the different types of cables and their uses, and discusses the ways in which the activities associated with laying and repairing power cables differ from those employed for fiber optic cables. Submarine power cables have traditionally been installed for two reasons: the integration of domestic island electricity networks with mainland electricity networks and the interconnection of energy markets. Practically all submarine power cables, whether alternating current (AC) or direct current (DC), transport high voltage (HV) energy. The design and commercial life of a submarine power cable is between 40 and 65 years, with the possibility of further life extensions. Keywords: fiber optic cables; high voltage (HV) energy; submarine power cables

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