Abstract
This paper describes the computerized analysis which was conducted to ensure personnel safety and pipeline integrity during power system faults occuring near the Trans Quebec & Maritimes gas pipeline. The pipeline section considered was constructed in the vicinity of two Hydro-Quebec power substations and a number of high voltage transmission line structures. The effects of electromagnetic induction and through-earth conduction caused by currents originating from Hydro-Quebec facilities during ground fault conditions are examined and their impact on the gas pipeline are quantified.

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