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OPTIMAL SUBSTATION GROUND GRID DESIGN BASED ON GENETIC ALGORITHM AND PATTERN SEARCH


Abstract Substation ground system insures safety of personnel, which deserves considerable attentions. Basic substation safety requirement quantities include ground grid resistance, mesh touch potential and step potential, moreover, optimal design of a substation ground system should include both safety concerns and ground grid construction cost. In the purpose of optimal designing the ground grid in the accurate and efficient way, an application package coded in MATLAB is developed and its core algorithm and main features are introduced in this work.

To ensure accuracy and personnel safety, a two-layer soil model is applied instead of the uniform soil model in this research. Some soil model parameters are needed for the two-layer soil model, namel... (more)
Created Date 2014
Contributor ZHANG, QIANZHI (Author) / Tylavsky, Daniel (Advisor) / Undrill, John (Committee member) / Ayyanar, Raja (Committee member) / Arizona State University (Publisher)
Subject Electrical engineering / ground grid design / ground grid model / optimization
Type Masters Thesis
Extent 116 pages
Language English
Note Masters Thesis Electrical Engineering 2014
Collaborating Institutions Graduate College / ASU Library
Additional Formats MODS / OAI Dublin Core / RIS


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Description Dissertation/Thesis