Browsing by Author "Wijethunga, WMRM"

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    Frequency stability analysis of non-conventional renewable integrated power systems
    (IEEE, 2023-12-09) Wijethunga, WMRM; Wijesena, PAHK; Samarawickrama, TD; Wadduwage, DP; Abeysooriya, R; Adikariwattage, V; Hemachandra, K
    Integrating intermittent non-conventional renewable energy sources such as wind and solar into power systems presents unique challenges for its operation. To address this, effective frequency control mechanisms are crucial. This study presents a comprehensive analysis investigating the performance of hydro and steam, in a non-conventional renewable integrated power system. The analysis aimed to enhance power system stability through the collective operation of wind and solar power plants of varying capacities, while maintaining a stable frequency. In addition, the study investigated the maximum penetration level of these resources under different contingencies. Preliminary results indicate that the hydro turbine exhibits a longer settling time and higher steady-state error compared to its steam turbine counterpart. Using a 12 bus test system simulated in PSCAD software, this research provides valuable insights into turbine performance and the feasibility of integrating renewable resources, aiding in the improvement of power system stability.