Costas Vournas

8.3k total citations · 3 hit papers
162 papers, 5.9k citations indexed

About

Costas Vournas is a scholar working on Electrical and Electronic Engineering, Control and Systems Engineering and Safety, Risk, Reliability and Quality. According to data from OpenAlex, Costas Vournas has authored 162 papers receiving a total of 5.9k indexed citations (citations by other indexed papers that have themselves been cited), including 152 papers in Electrical and Electronic Engineering, 86 papers in Control and Systems Engineering and 25 papers in Safety, Risk, Reliability and Quality. Recurrent topics in Costas Vournas's work include Power System Optimization and Stability (117 papers), Optimal Power Flow Distribution (63 papers) and Microgrid Control and Optimization (40 papers). Costas Vournas is often cited by papers focused on Power System Optimization and Stability (117 papers), Optimal Power Flow Distribution (63 papers) and Microgrid Control and Optimization (40 papers). Costas Vournas collaborates with scholars based in Greece, Belgium and Germany. Costas Vournas's co-authors include Thierry Van Cutsem, S.D. Kavatza, D.N. Simopoulos, B.M. Nomikos, G. Tsourakis, Marco Liserre, Vijay Vittal, Nikos Hatziargyriou, B.C. Papadias and Vassilis C. Nikolaidis and has published in prestigious journals such as IEEE Transactions on Power Systems, Energy Conversion and Management and IEEE Access.

In The Last Decade

Costas Vournas

161 papers receiving 5.6k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Voltage Stability of Electric Power Systems

1998 1.2k citations Thierry Van Cutsem, Costas Vournas profile →
Voltage Stability of Electric Power Systems

1998 928 citations Thierry Van Cutsem, Costas Vournas Open Repository and Bibliography (University of Liège) profile →
Definition and Classification of Power System Stability – Revisited & Extended

2020 638 citations Nikos Hatziargyriou, Jovica V. Milanović et al. IEEE Transactions on Power Systems profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Costas Vournas Greece	33	5.5k	3.5k	858	255	119	162	5.9k
John Paserba United States	18	4.1k 0.7×	2.8k 0.8×	661 0.8×	182 0.7×	125 1.1×	45	4.6k
Venkataramana Ajjarapu United States	34	5.4k 1.0×	3.3k 0.9×	1.0k 1.2×	267 1.0×	183 1.5×	159	5.8k
Pouyan Pourbeik United States	24	3.2k 0.6×	2.3k 0.7×	422 0.5×	255 1.0×	105 0.9×	70	3.7k
I. Erlich Germany	42	6.8k 1.2×	4.1k 1.2×	581 0.7×	509 2.0×	379 3.2×	261	7.4k
J.J. Sanchez-Gasca United States	30	4.1k 0.7×	2.9k 0.8×	359 0.4×	290 1.1×	124 1.0×	82	4.6k
Tianshu Bi China	37	4.5k 0.8×	3.3k 0.9×	328 0.4×	295 1.2×	326 2.7×	315	5.0k
Miroslav M. Begovic United States	38	6.9k 1.2×	5.0k 1.4×	804 0.9×	236 0.9×	276 2.3×	166	7.5k
Thierry Van Cutsem Belgium	39	10.2k 1.8×	7.0k 2.0×	1.5k 1.8×	401 1.6×	256 2.2×	186	10.6k
U.D. Annakkage Canada	28	2.8k 0.5×	1.8k 0.5×	428 0.5×	137 0.5×	155 1.3×	137	3.0k
F.L. Alvarado United States	34	3.7k 0.7×	1.7k 0.5×	786 0.9×	96 0.4×	50 0.4×	115	4.2k

Countries citing papers authored by Costas Vournas

Since Specialization

Citations

This map shows the geographic impact of Costas Vournas's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Costas Vournas with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Costas Vournas more than expected).

Fields of papers citing papers by Costas Vournas

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Costas Vournas. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Costas Vournas. The network helps show where Costas Vournas may publish in the future.

Co-authorship network of co-authors of Costas Vournas

This figure shows the co-authorship network connecting the top 25 collaborators of Costas Vournas. A scholar is included among the top collaborators of Costas Vournas based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Costas Vournas. Costas Vournas is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Vournas, Costas, et al.. (2022). Overview, comparison, and extension of emergency controls against voltage instability using Inverter-Based Generators. Sustainable Energy Grids and Networks. 31. 100710–100710. 2 indexed citations

Vournas, Costas, et al.. (2022). An optimization framework for voltage stability support from active distribution networks. Electric Power Systems Research. 211. 108569–108569. 1 indexed citations

Vournas, Costas, et al.. (2021). Impact of converter interfaced generators on power system long-term voltage stability monitoring and control. Electric Power Systems Research. 199. 107438–107438. 8 indexed citations

Vournas, Costas, et al.. (2021). Validation of Voltage Instability Detection and Control Using a Real Power System Incident. Energies. 14(21). 7165–7165. 3 indexed citations

Hatziargyriou, Nikos, Jovica V. Milanović, Claudia Rahmann, et al.. (2020). Definition and Classification of Power System Stability – Revisited & Extended. IEEE Transactions on Power Systems. 36(4). 3271–3281. 638 indexed citations breakdown →

Vournas, Costas, et al.. (2016). Application of local autonomous protection against voltage instability to IEEE test system. 1–1. 2 indexed citations

Cutsem, Thierry Van, Mevludin Glavić, William Rosehart, et al.. (2015). Test systems for voltage stability analysis and security assessment. Open Repository and Bibliography (University of Liège). 61 indexed citations

Vournas, Costas, et al.. (2014). Use of air chamber in gas-turbine units for frequency control and energy storage in a system with high wind penetration. IEEE PES Innovative Smart Grid Technologies Europe. 1–6. 2 indexed citations

Vournas, Costas, et al.. (2011). Effect of Load Restoration on an Integrated Autonomous Protection System Against Voltage Instability. DSpace - NTUA (National Technical University of Athens). 1–8. 3 indexed citations

10.

Nomikos, B.M., et al.. (2009). PSS design for the Hellenic System with partial interconnection to Turkey. DSpace - NTUA (National Technical University of Athens). 100. 1–7. 2 indexed citations

11.

Vournas, Costas & Thierry Van Cutsem. (2008). Local Identification of Voltage Emergency Situations. IEEE Transactions on Power Systems. 23(3). 1239–1248. 44 indexed citations

12.

Cutsem, Thierry Van & Costas Vournas. (2007). Emergency Voltage Stability Controls: an Overview. IEEE Power Engineering Society General Meeting. 1–10. 58 indexed citations

13.

Nikolaidis, Vassilis C., et al.. (2007). Continuation Power Flow Incorporating Dispersed Generation. DSpace - NTUA (National Technical University of Athens). 8. 573–578. 2 indexed citations

14.

Vournas, Costas, et al.. (2006). Region of attraction in a power system with discrete LTCs. IEEE Transactions on Circuits and Systems I Fundamental Theory and Applications. 53(7). 1610–1618. 12 indexed citations

15.

Vournas, Costas, et al.. (2004). Minimum Load Shedding as a Region of Attraction Problem in Hybrid Systems. DSpace - NTUA (National Technical University of Athens). 3 indexed citations

16.

Bihain, A., et al.. (2002). Advanced perspectives and implementation of dynamic security assessment in the open market environment. Computers in Biology and Medicine. 155. 106663–106663. 16 indexed citations

17.

Maratos, N.G. & Costas Vournas. (2002). Relationships between static bifurcations and constrained optima. DSpace - NTUA (National Technical University of Athens). 2. 477–480. 4 indexed citations

18.

Cutsem, Thierry Van & Costas Vournas. (1998). Voltage Stability of Electric Power Systems. Open Repository and Bibliography (University of Liège). 928 indexed citations breakdown →

19.

Vournas, Costas & Thierry Van Cutsem. (1995). Voltage oscillations with cascaded load restoration. Open Repository and Bibliography (University of Liège). 7 indexed citations

20.

Vournas, Costas, et al.. (1991). Analysis of forced oscillations in a multimachine power system. DSpace - NTUA (National Technical University of Athens). 443–448. 55 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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