Stability Analysis of AGC in the Norwegian Energy System. Andreassen, I. & Winkler, D. In Dahlquist, E. (. U. & (MERO), T., editors, Proceedings of 'The 52nd Scandinavian Conference on Simulation and Modeling (SIMS 2011)', pages 133–143. Mälardalen University.
Stability Analysis of AGC in the Norwegian Energy System [link]Paper  abstract   bibtex   
The power system frequency in the Norwegian energy system should not deviate outside of 49.9 and 50.1 Hz. However, since 1995 a rising tendency has been seen in a frequency deviation outside this limit in the Norwegian energy system. A model of an energy system containing several hydropower plants, a power grid and an AGC (Automatic Generation Control) system was made. This model is based on the Modelica language and the hydro-power plant library HydroPlant from Modelon AB. An AGC system is used to control the power production in an area, according to the production plan and the frequency response of the system due to actual frequency deviation. A stability analysis was performed on the model to investigate the influence of AGC to the power system model. This showed the conditions for which the AGC controller caused more instability to the system frequency.
@inproceedings{Andreassen29,
  title = {Stability {{Analysis}} of {{AGC}} in the {{Norwegian Energy System}}},
  booktitle = {Proceedings of '{{The}} 52nd {{Scandinavian Conference}} on {{Simulation}} and {{Modeling}} ({{SIMS}} 2011)'},
  author = {Andreassen, Ingvar and Winkler, Dietmar},
  editor = {Dahlquist, Erik (M\textbackslash "lardalen University, School of Sustainable Development of Society and (MERO), Technology)},
  date = {0029/2011-09-30},
  pages = {133--143},
  publisher = {{Mälardalen University}},
  location = {{Västerås, Sweden}},
  url = {http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-13289},
  abstract = {The power system frequency in the Norwegian energy system should not deviate outside of 49.9 and 50.1 Hz. However, since 1995 a rising tendency has been seen in a frequency deviation outside this limit in the Norwegian energy system. A model of an energy system containing several hydropower plants, a power grid and an AGC (Automatic Generation Control) system was made. This model is based on the Modelica language and the hydro-power plant library HydroPlant from Modelon AB. An AGC system is used to control the power production in an area, according to the production plan and the frequency response of the system due to actual frequency deviation. A stability analysis was performed on the model to investigate the influence of AGC to the power system model. This showed the conditions for which the AGC controller caused more instability to the system frequency.},
  eventtitle = {The 52nd {{Scandinavian Conference}} on {{Simulation}} and {{Modeling}} ({{SIMS}} 2011)},
  file = {/home/dietmarw/FoU/Publications/zotero/storage/2TB88A8B/Abstract.pdf;/home/dietmarw/FoU/Publications/zotero/storage/AI5ESME8/SIMS 2011 presentasjon final desktop.pdf;/home/dietmarw/FoU/Publications/zotero/storage/CC3EKTUS/FinalPaper.pdf},
  isbn = {978-91-977493-7-4}
}

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