Visualization for Power System Analysis and Control
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With ever-evolving technologies, analysis and control of power systems are increasingly becoming more complicated. As the electric power industry continues to grow and electrical energy becomes ubiquitous, more information needs to be analyzed to ensure reliability of the system. While there has been extensive research in developing new ways of gathering information such as Phasor Measurement Units (PMUs) that can provide large amount of data with high accuracy, there hasn’t been enough research in the methods of visualizing this data. Traditionally, power system engineers are supposed to interpret and analyze a massive amount of data in the form of numerical fields and take actions based on this analysis of information. System variables have to be kept in a certain range or at a fixed value. System operators must be able to find violations as quickly as possible and perform countermeasures to fix the problems. This study tries to address the issue of data visualization for power systems by providing a graphical user interface. Interpretation of data from visualization does not require logical analysis which means that understanding of graphical objects, especially colors, generally needs less effort than interpretation of numbers and plain text. However, it should be mentioned that the visualization tool in this study is only for humans and machines can process data in the numeric and text form much more efficient than humans. This study covers the visualization of two different, yet inseparable parts of a power system: transmission system and distribution system. Each system has its own characteristics that should be considered in the process of visualization. Two different power system simulation and analysis software packages are employed in this study, and their outputs are used as the input of the visualization tool that is developed for this work.