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A Reactive Power Compensation Strategy for Voltage Stability Challenges in the Korean Power System with Dynamic Loads

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  • Yunhwan Lee

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea)

  • Hwachang Song

    (Department of Electrical and Information Engineering, Seoul National University of Science and Technology, Seoul 01811, Korea)

Abstract

This paper describes a methodology and specifics for technical studies on fault-induced delayed voltage recovery (FIDVR) mitigation to ensure power system reliability. Optimal locations of the dynamic volts-ampere-reactive (VAR) sources are determined for addressing the FIDVR issues in the voltage stability analysis and assessment methodology. We propose a voltage stability analysis method for planning dynamic VAR sources for bettering electric power transmission systems under contingency conditions. A time-domain dynamic simulation is performed to assess short-term voltage stability. While conducting dynamic simulations, sensitivity analysis is performed to assess the need for dynamic VAR sources. This study focuses on a reactive power compensation strategy to determine system voltage recovery performance by optimal flexible alternating current transmission system (FACTS) placement in a metropolitan region. The objective of this study is to determine the optimal installation of dynamic VAR sources while satisfying the requirements of voltage stability margin and transient voltage dip under a set of criteria. New insights are presented on the effect of FACTS controls on the reactive power compensation, which supports voltage recovery. The main features of the proposed method are (i) the development based on a load model for FIDVR, (ii) the use of sensitivity analysis of the network to the variations of the IM load, (iii) the establishment of the control function and compensation strategy to maintain the voltage of system within criteria limits, and (iv) the use of the sensitivity analysis based on branch parameterization for unsolvable cases. Case studies on the Korean power system validated the performance of the proposed strategy, showing that it effectively installed FACTS under contingency scenarios.

Suggested Citation

  • Yunhwan Lee & Hwachang Song, 2019. "A Reactive Power Compensation Strategy for Voltage Stability Challenges in the Korean Power System with Dynamic Loads," Sustainability, MDPI, vol. 11(2), pages 1-19, January.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:2:p:326-:d:196504
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    References listed on IDEAS

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    1. Anna Rita Di Fazio & Mario Russo & Sara Valeri & Michele De Santis, 2016. "Sensitivity-Based Model of Low Voltage Distribution Systems with Distributed Energy Resources," Energies, MDPI, vol. 9(10), pages 1-16, October.
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    Cited by:

    1. Michał Gwóźdź, 2023. "The Application of Tunable Magnetic Devices in Electrical Power Systems with Adaptive Features," Energies, MDPI, vol. 16(17), pages 1-12, August.
    2. Naderipour, Amirreza & Abdul-Malek, Zulkurnain & Heidari Gandoman, Foad & Nowdeh, Saber Arabi & Shiran, Mohsen Aghazadeh & Hadidian Moghaddam, Mohammad Jafar & Davoodkhani, Iraj Faraji, 2020. "Optimal designing of static var compensator to improve voltage profile of power system using fuzzy logic control," Energy, Elsevier, vol. 192(C).
    3. Mir Sayed Shah Danish & Tomonobu Senjyu & Sayed Mir Shah Danish & Najib Rahman Sabory & Narayanan K & Paras Mandal, 2019. "A Recap of Voltage Stability Indices in the Past Three Decades," Energies, MDPI, vol. 12(8), pages 1-18, April.
    4. Markel Zubiaga & Alain Sanchez-Ruiz & Eneko Olea & Eneko Unamuno & Aitor Bilbao & Joseba Arza, 2020. "Power Capability Boundaries for an Inverter Providing Multiple Grid Support Services," Energies, MDPI, vol. 13(17), pages 1-14, August.
    5. Jibran Ali & Stefano Massucco & Federico Silvestro, 2019. "Aggregation Strategy for Reactive Power Compensation Techniques—Validation," Energies, MDPI, vol. 12(11), pages 1-13, May.
    6. Nomihla Wandile Ndlela & Innocent Ewean Davidson, 2022. "Network Coordination between High-Voltage DC and High-Voltage AC Transmission Systems Using Flexible AC Transmission System Controllers," Energies, MDPI, vol. 15(19), pages 1-15, October.
    7. Łukasz Ciepliński & Michał Gwóźdź & Rafał M. Wojciechowski, 2022. "Application of a Tuned Inductor in a DC Power Supply with an Active Compensation Function," Energies, MDPI, vol. 15(17), pages 1-15, August.
    8. Abdullahi Oboh Muhammed & Muhyaddin Rawa, 2020. "A Systematic PVQV-Curves Approach for Investigating the Impact of Solar Photovoltaic-Generator in Power System Using PowerWorld Simulator," Energies, MDPI, vol. 13(10), pages 1-21, May.
    9. Michał Gwóźdź, 2022. "The Application of Tuned Inductors in Electric Power Systems," Energies, MDPI, vol. 15(22), pages 1-13, November.

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