The current distribution, electromagnetics, grounding, and soil structure analysis (CDEGS) software package for studying problems that involve power system electromagnetic fields (EMFs), electromagnetic interference (EMI), and grounding is described. This package includes three input processors, six engineering applications modules, and six output processors. The relationship between these modules and processors is illustrated. A case study of the inductive interference between a pipeline and a transmission line feeding a large industrial plant is investigated. The study also investigates the effects of potentials transferred by conduction from a distribution substation near the plant to the gas pipeline, and to other metallic structures. The case study illustrates the interrelationships among grounding, EMI, and EMF.
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