Article | Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019 | A Fundamental Time-Domain and Linearized Eigenvalue Analysis of Coalesced Power Transmission and Unbalanced Distribution Grids using Modelica and the OpenIPSL Linköping University Electronic Press Conference Proceedings
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Title:
A Fundamental Time-Domain and Linearized Eigenvalue Analysis of Coalesced Power Transmission and Unbalanced Distribution Grids using Modelica and the OpenIPSL
Author:
Marcelo de C. Fernandes: Dept. of Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute, USA Luigi Vanfretti: Dept. of Electrical, Computer and Systems Engineering, Rensselaer Polytechnic Institute, USA Janaína G. de Oliveira: Dept. of Electrical Energy, Federal University of Juiz de Fora, Brazil Maxime Baudette: Grid Integration Group, Energy Storage & Distributed Resources Division, Lawrence Berkeley National Laboratory, Berkeley, CA, USA
DOI:
10.3384/ecp19157617
Download:
Full text (pdf)
Year:
2019
Conference:
Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019
Issue:
157
Article no.:
063
Pages:
10
No. of pages:
617-626
Publication type:
Abstract and Fulltext
Published:
2019-02-01
ISBN:
978-91-7685-122-7
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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This paper present mathematical modeling and implementation in Modelica language of a coalesced electric power transmission and distribution system model. To this end, a newly developed feature in OpenIPSL that allows to amalgamate power transmission and distribution networks at the equation level is described, two different sample power systems are assembled and three simulations are performed for each of them in a Modelica-compliant software. Dynamic simulations are carried out to perform comparisons between different modeling approaches for a distribution feeder and among different load characteristics. Moreover, each simulation is linearized using a script in ten specific time instants and an eigenvalue comparison is performed. Results show that the conventional positive sequence models may lead to errors about the dynamic behavior of the entire system, specially when considering unbalances in distribution networks.

Keywords: Modelica, Power Systems, Hybrid Models, Linearization, Eigenvalues, Transmission Networks, Distribution Networks

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Marcelo de C. Fernandes, Luigi Vanfretti, Janaína G. de Oliveira, Maxime Baudette
Title:
A Fundamental Time-Domain and Linearized Eigenvalue Analysis of Coalesced Power Transmission and Unbalanced Distribution Grids using Modelica and the OpenIPSL
DOI:
http://dx.doi.org/10.3384/ecp19157617
References:
No references available

Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Author:
Marcelo de C. Fernandes, Luigi Vanfretti, Janaína G. de Oliveira, Maxime Baudette
Title:
A Fundamental Time-Domain and Linearized Eigenvalue Analysis of Coalesced Power Transmission and Unbalanced Distribution Grids using Modelica and the OpenIPSL
DOI:
https://doi.org10.3384/ecp19157617
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Last updated: 2019-06-04