Mathematical Problems in Engineering, Jul 2018
This paper introduces a systematic, structure-based modeling framework for analysis and control of electric power systems for processes evolving over the mid-term and long-term time horizons. Much simpler models than the detailed dynamics specifically for control design at different hierarchical levels are obtained by applying both temporal and spatial separation. These simple models, or the aggregate models, represent the net effect of interactions among interconnected regions on specific hierarchical levels. They are exact, since no assumptions on weak interconnections among the subsystems are made. Moreover they are easily understood in terms of power flows among the regions. The approach is essential for improving present performance of the system. It is also potentially useful in a competitive utility environment in which it is critical to study the interplay between technical and economic processes.
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Marija D. Ilić, Xiaojun Shell Liu. A modeling and control framework for operating large-scale electric power systems under present and newly evolving competitive industry structures, Mathematical Problems in Engineering, DOI: 10.1155/S1024123X95000196