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Integrated Volt/Var Control Method for Voltage Regulation and Voltage Unbalance Reduction in Active Distribution Networks

Author

Listed:
  • Izzah Afandi

    (School of Electrical Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Ashish P. Agalgaonkar

    (School of Electrical Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW 2522, Australia)

  • Sarath Perera

    (School of Electrical Computer and Telecommunications Engineering, University of Wollongong, Wollongong, NSW 2522, Australia)

Abstract

The emergence of distributed generation such as solar systems has introduced new challenges in distribution networks that are becoming more apparent with increasing penetration levels. The time mismatch between peak load and peak generation can make voltage levels in distribution networks swing towards extreme limits during a day. Distribution network service providers are struggling to cater for new distributed generation installations while ensuring that the quality of steady state supply voltage meets stipulated requirements. The segregation between medium and low voltage networks in control strategies may result in unnecessary or worse, opposing control actions leading to voltage issues and control on one side of the distribution network influencing the other. By developing an efficient volt/var control method, the steady state voltage level and voltage unbalance in a comprehensive distribution network can be controlled simultaneously. This paper analyses voltage issues and volt/var control in medium and low voltage networks as a whole, unabridged problem. This paper proposes a pragmatic and effective volt/var control method that addresses voltage regulation and voltage unbalance simultaneously using existing infrastructure. The proposed control method is implemented on three types of representative Australian distribution networks and results obtained demonstrate that the proposed volt/var control can simultaneously manage voltage level and voltage unbalance whilst reducing the number of tap change operations and maximizing solar penetration.

Suggested Citation

  • Izzah Afandi & Ashish P. Agalgaonkar & Sarath Perera, 2022. "Integrated Volt/Var Control Method for Voltage Regulation and Voltage Unbalance Reduction in Active Distribution Networks," Energies, MDPI, vol. 15(6), pages 1-21, March.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:6:p:2225-:d:774196
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    References listed on IDEAS

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    1. Hiroshi Kikusato & Taha Selim Ustun & Dai Orihara & Jun Hashimoto & Kenji Otani, 2021. "Aggregation of Radial Distribution System Bus with Volt-Var Control," Energies, MDPI, vol. 14(17), pages 1-13, August.
    2. Andrew F. Crossland & Darren Jones & Neal S. Wade & Sara L. Walker, 2018. "Comparison of the Location and Rating of Energy Storage for Renewables Integration in Residential Low Voltage Networks with Overvoltage Constraints," Energies, MDPI, vol. 11(8), pages 1-16, August.
    3. Akinyemi Ayodeji Stephen & Kabeya Musasa & Innocent Ewean Davidson, 2021. "Voltage Rise Regulation with a Grid Connected Solar Photovoltaic System," Energies, MDPI, vol. 14(22), pages 1-32, November.
    4. Dongwon Lee & Changhee Han & Gilsoo Jang, 2021. "Stochastic Analysis-Based Volt–Var Curve of Smart Inverters for Combined Voltage Regulation in Distribution Networks," Energies, MDPI, vol. 14(10), pages 1-15, May.
    5. Ghaeth Fandi & Ibrahim Ahmad & Famous O. Igbinovia & Zdenek Muller & Josef Tlusty & Vladimir Krepl, 2018. "Voltage Regulation and Power Loss Minimization in Radial Distribution Systems via Reactive Power Injection and Distributed Generation Unit Placement," Energies, MDPI, vol. 11(6), pages 1-17, May.
    6. Aadil Latif & Wolfgang Gawlik & Peter Palensky, 2016. "Quantification and Mitigation of Unfairness in Active Power Curtailment of Rooftop Photovoltaic Systems Using Sensitivity Based Coordinated Control," Energies, MDPI, vol. 9(6), pages 1-16, June.
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    Cited by:

    1. Ali Zafari & Ameen Gargoom & Nasser Hosseinzadeh & Shama Islam & Md Enamul Haque & Mohammad Taufiqul Arif & Mohamed Abdelrazek, 2023. "A Hierarchical Multi-Stage Coordination of Inverters for Voltage Control in Active Distribution Networks with a µPMU-PDC," Energies, MDPI, vol. 16(12), pages 1-22, June.
    2. Alex Chamba & Carlos Barrera-Singaña & Hugo Arcos, 2023. "Optimal Reactive Power Dispatch in Electric Transmission Systems Using the Multi-Agent Model with Volt-VAR Control," Energies, MDPI, vol. 16(13), pages 1-25, June.

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