Fast investigation of control interaction risks in PV parks using eigenvalue analysis in Modelica

Date

2026-02-01

Author

Masoom, A.
Mahseredjian, J.
Karaağaç, Ulaş

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This paper contributes to the fast detection of control interaction risk in a PV park using the eigenvalue analysis in Modelica. The entire PV park and its interconnected network are represented by time-domain equations in Modelica, then linearized state space equations are extracted directly by leveraging the Modelica features. This constitutes an advantageous approach for fast finding eigenvalues and extracting potential instability conditions. The presented approach is verified with electromagnetic transient (EMT) simulation and impedance-based stability analysis (IBSA) that uses EMT-type impedance scanning methods. The results show an outstanding improvement in the simulation time and accuracy.

URI

https://hdl.handle.net/11511/116783

Journal

ELECTRIC POWER SYSTEMS RESEARCH

DOI

https://doi.org/10.1016/j.epsr.2025.112316

Collections

Department of Electrical and Electronics Engineering, Article

Citation Formats

A. Masoom, J. Mahseredjian, and U. Karaağaç, “Fast investigation of control interaction risks in PV parks using eigenvalue analysis in Modelica,” ELECTRIC POWER SYSTEMS RESEARCH, vol. 251, pp. 0–0, 2026, Accessed: 00, 2025. [Online]. Available: https://hdl.handle.net/11511/116783.