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Date of Award
Master of Science in Electrical Engineering (MS)
College, School or Department Name
Department of Electrical and Computer Engineering
Wayne W Weaver
This document will demonstrate the methodology used to create an energy and conductance based model for power electronic converters. The work is intended to be a replacement for voltage and current based models which have limited applicability to the network nodal equations. Using conductance-based modeling allows direct application of load differential equations to the bus admittance matrix (Y-bus) with a unified approach. When applied directly to the Y-bus, the system becomes much easier to simulate since the state variables do not need to be transformed. The proposed transformation applies to loads, sources, and energy storage systems and is useful for DC microgrids. Transformed state models of a complete microgrid are compared to experimental results and show the models accurately reflect the system dynamic behavior.
Vosters, Gregory, "Energy and conductance state modeling of power electronic converters for DC microgrids", Master's Thesis, Michigan Technological University, 2011.