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The combined load frequency control (CLFC) and automatic voltage regulation (AVR) (CLFC-AVR) analysis is performed in this paper to regulate the frequency and terminal voltage. The CLFC-AVR investigation is performed on the multi-area multi-fuel system and carried the analysis for the perturbation in step load (SLP) of 10% in area 1. The fractional order proportional-integral-derivative (FOPID) controller based on the optimization of the water cycle algorithm (WCA) is enforced, and its performance is compared with other regulators in the literature to exhibit its dominance. However, the effect of AVR on the dynamic behavior of the generation units in the LFC loop is showcased in this work. Further, a high-voltage direct current (HVDC) line is enacted as the tie-line instead of the alternating current line to improve the system's performance.

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Improvement of Voltage and Frequency Regulation in the Combined LFC and AVR of a Two-Area Interconnected Power System

  • 会议论文

  • 发表日期：

    2025年

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  • CH. Naga Sai Kalyan,
  • Navneet Joshi,
  • Mohit Bajaj

摘要

The combined load frequency control (CLFC) and automatic voltage regulation (AVR) (CLFC-AVR) analysis is performed in this paper to regulate the frequency and terminal voltage. The CLFC-AVR investigation is performed on the multi-area multi-fuel system and carried the analysis for the perturbation in step load (SLP) of 10% in area 1. The fractional order proportional-integral-derivative (FOPID) controller based on the optimization of the water cycle algorithm (WCA) is enforced, and its performance is compared with other regulators in the literature to exhibit its dominance. However, the effect of AVR on the dynamic behavior of the generation units in the LFC loop is showcased in this work. Further, a high-voltage direct current (HVDC) line is enacted as the tie-line instead of the alternating current line to improve the system's performance.