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<p>Reactive power is essential to keep voltages within allowed limits so that electricity with adequate quality and stability can be provided. Motor loads, transformers, and other loads need reactive power to generate a necessary flux for functional work. Voltage rises when reactive power decreases and falls when reactive power increases. Distribution system disruptions brought on by a lack of power quality requirements are the issue. Transmission static synchronous compensator (T-STATCOM)-based dynamic reactive power compensation for voltage regulation has been presented to address this issue. The proposed T-STATCOM with a capacity of <InlineEquation ID="IEq1"> <InlineMediaObject> <ImageObject Color="BlackWhite" FileRef="202_2025_3207_Article_IEq1.gif" Format="GIF" Height="13" Rendition="HTML" Resolution="72" Type="Linedraw" Width="19" /> </InlineMediaObject> <EquationSource Format="TEX">\(\mp \)</EquationSource> <EquationSource Format="MATHML"><math> <mo>∓</mo> </math></EquationSource> </InlineEquation> 35&#xa0;MVAR has been modelled at the 132&#xa0;kV transmission line Al-Kut South station, where the reactive power reaches 35 MVAR in the summer season. A 0.01F supercapacitor powers the T-STATCOM. Using an adaptive PI controller based on the grey wolf optimization algorithm (GWO-API), an intelligent control system is accomplished. The ability of the suggested system to compensate for a 15% voltage decrease that occurs on extremely hot days by injecting symmetrical, sinusoidal reactive current into the grid with low harmonics and oscillation restrictions was confirmed by simulation results.</p>

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Investigating the T-STATCOM using the grey wolf optimization (GWO) algorithm and supercapacitor (SC) for reactive power adaptation

  • 期刊论文

  • 发表日期：

    2025年6月17日

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  • Samhar Saeed Shukir

摘要

Reactive power is essential to keep voltages within allowed limits so that electricity with adequate quality and stability can be provided. Motor loads, transformers, and other loads need reactive power to generate a necessary flux for functional work. Voltage rises when reactive power decreases and falls when reactive power increases. Distribution system disruptions brought on by a lack of power quality requirements are the issue. Transmission static synchronous compensator (T-STATCOM)-based dynamic reactive power compensation for voltage regulation has been presented to address this issue. The proposed T-STATCOM with a capacity of \(\mp \) ∓ 35 MVAR has been modelled at the 132 kV transmission line Al-Kut South station, where the reactive power reaches 35 MVAR in the summer season. A 0.01F supercapacitor powers the T-STATCOM. Using an adaptive PI controller based on the grey wolf optimization algorithm (GWO-API), an intelligent control system is accomplished. The ability of the suggested system to compensate for a 15% voltage decrease that occurs on extremely hot days by injecting symmetrical, sinusoidal reactive current into the grid with low harmonics and oscillation restrictions was confirmed by simulation results.