Fault Current Split Calculation in Grounding Systems Studies

The ground fault current through a grounding system drives the magnitude of the ground potential rise (GPR) and corresponding touch and step voltage hazards at a substation. As current will take all paths, the GPR at a substation grounding system may be reduced with connections to shield wires, neutrals, and other metallic paths for ground current. This webinar, provided by David Lewis at Bentley Systems/EasyPower, describes the fault current split concepts and shares techniques for calculating fault current split, including detailed analysis with XGSLab NETS software.

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