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Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/1220

Title: Photovoltaic generator modeling for large scale distribution system studies
Authors: Golder, Andrew S.
Keywords: Electric engineering;Photovoltaic power generation;Electric engineering--Mathematical models
Issue Date: 19-Jan-2007
Abstract: Geographic regions with favorable conditions for photovoltaic (PHV) power generation are seeing increasing numbers of three-phase commercial installations and single-phase residential sized installations. PHV sources can be described as intermittent sources because their power production is a function of ever changing environmental conditions. Increased numbers of these intermittent sources will begin to have a significant impact on the distribution system. This work presents the development of a simulation model for utility distribution systems with installed PHV generation. The mathematical modeling of PHV generators is investigated and a model is developed to calculate power output based on the environmental conditions which determine generator behavior. This output is then integrated into an unbalanced distribution power flow solver using either a constant PQ or constant P|V| generator model. The model has been implemented and simulations will be presented for a 394 bus test system. In order to accommodate intermittency, hourly simulations which utilize corresponding environmental conditions and 24 hour load curves have been automated. Simulations are performed in order to perform system studies in the areas of demand profiles, phase balancing, feeder balancing, power factor changes and voltage rise. Analysis is performed to identify issues that will be most relevant to engineers working in planning and operations of distribution systems with installed PHV generation.
URI: http://hdl.handle.net/1860/1220
Appears in Collections:Drexel Theses and Dissertations

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