Evaluation of Technical Solutions to Improve Transient Stability in Power Systems with Wind Power Generation

Giuseppe Marco Tina (), Giovanni Maione and Sebastiano Licciardello
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Giuseppe Marco Tina: Department of Electrical, Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy
Giovanni Maione: Department of Electrical, Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy
Sebastiano Licciardello: Department of Electrical, Electronic and Computer Engineering, University of Catania, 95125 Catania, Italy

Energies, 2022, vol. 15, issue 19, 1-12

Abstract: Reliability and safety must be carefully considered in today’s power systems, which are rapidly evolving toward ever higher penetration of renewable, inverter-based generation units. Power systems are constantly stressed by active power disturbances, which can be exacerbated by wind and solar systems that are subject to rapid fluctuations in primary energy. In this framework, a comparative technical analysis of solutions to improve transient stability, both rotor angle stability and frequency stability, is carried out. These solutions can be adopted by the transmission system operator (e.g., an additional parallel transmission line), by the generation companies (e.g., a fast excitation system), or by both, such as SVC (static VAR compensator) and STATCOM (static synchronous compensator). Sensitivity analyses were carried out to assess the impact of the location of the wind turbines in the buses of the grid on their rated power and level of production. On the basis of these analyses, the worst-case fault was considered, and the critical fault recovery time was determined as an engineering parameter to compare the different solutions. For the numerical analysis, a modified IEEE 9-bus system was considered, and the PowerWorld software tool was used. Rotor angle and frequency stability analyses were performed.

Keywords: power system simulation; power system stability; wind power generation; static VAr compensators (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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