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The increasing integration of renewable energy sources into the grid poses stability challenges due to the low Short Circuit Ratio (SCR) of grid-tied systems. Traditional Grid Following (GFL) control methods, which track grid voltage, frequency, and phase angle, often underperform in weak grid conditions. This paper presents an analysis of a solar energy grid-tied inverter operating in GFL mode, with a focus on real and reactive power control. Using MATLAB Simulink simulations, we demonstrate the stabilization of both real and reactive power, showcasing the effectiveness of the control strategy in enhancing grid stability.

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Performance Analysis of Grid Following Mode Inverter for Interfacing PV System Under Weak Grid Conditions

  • 会议论文

  • 发表日期：

    2026年

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  • Om Chandrashekar Patil,
  • Tamalika Chowdhury,
  • Rakesh Halligudi

摘要

The increasing integration of renewable energy sources into the grid poses stability challenges due to the low Short Circuit Ratio (SCR) of grid-tied systems. Traditional Grid Following (GFL) control methods, which track grid voltage, frequency, and phase angle, often underperform in weak grid conditions. This paper presents an analysis of a solar energy grid-tied inverter operating in GFL mode, with a focus on real and reactive power control. Using MATLAB Simulink simulations, we demonstrate the stabilization of both real and reactive power, showcasing the effectiveness of the control strategy in enhancing grid stability.