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The Malaysian government is actively working towards achieving a 47% reduction in carbon emissions in the power generation sector by 2030, with a focus on renewable energy, particularly solar PV. However, the high penetration of solar power during the daytime introduces challenges such as voltage and frequency fluctuations, hence raise concerns on the overall grid system reliability. To address these issues, this paper presents a dynamic simulation and analysis of a large-scale solar photovoltaic (LSS PV) and energy storage systems (ESS) interconnection to the modified IEEE 26 Bus System which utilizes Malaysian grid data. Two different scenarios were simulated using PSS/E, namely the base case and system with fault. In each scenario, the generated voltage and frequency were observed, and system behavior were studied. Overall, the findings from this study emphasize the effectiveness of integrating an ESS with the LSS PV system to enhance the system’s stability, mitigate fluctuations, and expedite recovery during fault conditions for actual power utility applications. These outcomes contribute to the ongoing research and development efforts in the field of renewable energy integration and pave the way for the practical implementation of LSS PV systems with improved performance and grid compatibility.

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Enhancing Frequency and Voltage Stability Through Energy Storage for Large-Scale Solar PV Systems: Practical Malaysian Case Study

  • 会议论文

  • 发表日期：

    2025年

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  • Nagaraja Rupan Panneerchelvan,
  • Renuga Verayiah,
  • Agileswary Ramasamy,
  • Saleh Ba-swaimi,
  • Tengku Juhana Tengku Hashim,
  • Nur Azzammudin Rahmat

摘要

The Malaysian government is actively working towards achieving a 47% reduction in carbon emissions in the power generation sector by 2030, with a focus on renewable energy, particularly solar PV. However, the high penetration of solar power during the daytime introduces challenges such as voltage and frequency fluctuations, hence raise concerns on the overall grid system reliability. To address these issues, this paper presents a dynamic simulation and analysis of a large-scale solar photovoltaic (LSS PV) and energy storage systems (ESS) interconnection to the modified IEEE 26 Bus System which utilizes Malaysian grid data. Two different scenarios were simulated using PSS/E, namely the base case and system with fault. In each scenario, the generated voltage and frequency were observed, and system behavior were studied. Overall, the findings from this study emphasize the effectiveness of integrating an ESS with the LSS PV system to enhance the system’s stability, mitigate fluctuations, and expedite recovery during fault conditions for actual power utility applications. These outcomes contribute to the ongoing research and development efforts in the field of renewable energy integration and pave the way for the practical implementation of LSS PV systems with improved performance and grid compatibility.