Operation and Maintenance or British Columbia Hydro and Power Authority Mainland-Vancouver Island 132-Kv Submarine Cable Interconnection

This paper describes the operating experience of the British Columbia Hydro and Power Authority's Mainland-Vancouver Island 132-kv submarine cable interconnection, and covers in detail the types of troubles experienced on this circuit and the remedies prescribed during a 61/2-year period. Also included is a section on the cable-freezing process, used for the first time on this type of installation under rather difficult field conditions.