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Powergrid international \ Tools \ Autoground



The Autoground is a powerful grounding analysis tool designed and developed by Safe Engineering Services & technologies ltd. (SES), Canada. It includes the RESAP, MALT and FCDIST engineering modules. An equivalent soil model to the real earth structure is determined using the RESAP soil resistivity interpretation engineering module and a preliminary economical grounding system configuration is developed and analyzed using the MALT grounding analysis engineering module; while the actual fault current distribution is determined by the FCDIST engineering module. The basic functions of Autoground are as:

Carry out and interpret resistivity measurements and handles uniform and two-layer soil grounding analyses.
Analyze complex power system ground networks composed of arbitrarily oriented conductors located in uniform and two-layer soil.
Hybrid energization by current or voltage can be applied to different conductor groups in the same simulation.
Investigate transferred potentials and currents diverted to uncoated pipeline or other metallic structures due to energized ground conductor network.
Determine distortion effects caused by the proximity of multiple grounding networks.
Design complex anode beds and examine cathodic protection problems involving uncoated buried pipelines.
Interpret ground resistance measurements made using the Fall-of-Potential method and other techniques.
Determine the fault current distribution between grounding systems and overhead ground wires, skywires, counterpoises, and other metallic paths.






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