Voltage Support with PV Inverters in Low-Voltage Distribution Networks: An Overview

Yonghao Gui; Karthikeyan Nainar; Jan Dimon Bendtsen; Nicole Diewald; Florin Iov; Yongheng Yang; Frede Blaabjerg; Yaosuo Xue; Jianzhe Liu; Tianqi Hong; Jakob Stoustrup

doi:10.1109/JESTPE.2023.3280926

Voltage Support with PV Inverters in Low-Voltage Distribution Networks: An Overview

Yonghao Gui, Karthikeyan Nainar, Jan Dimon Bendtsen, Nicole Diewald, Florin Iov, Yongheng Yang, Frede Blaabjerg, Yaosuo Xue, Jianzhe Liu, Tianqi Hong, Jakob Stoustrup

Grid Systems Modeling and Controls

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

Large solar photovoltaic (PV) penetration using inverters in low-voltage (LV) distribution networks may pose several challenges, such as reverse power flow and voltage rise situations. These challenges will eventually force grid operators to carry out grid reinforcement to ensure continued safe and reliable operations. However, smart inverters with reactive power control capability enable PV systems to support voltage quality in the distribution network better. This article gives an overview of the current state-of-the-art control strategies for handling voltage problems through PV inverters and other devices. In addition, the (control) technical issues of PV systems integrated into the LV distribution network are considered from a control point of view. By comparing the control issues of PV integration into the grid, this article aims to help distribution system operators (DSOs) to expand the volume of PV generation in the distribution system in an efficient and safe manner. In addition, it will help control engineers and researchers select proper control strategies for PV systems as well as other distributed renewable sources.

Original language	English
Pages (from-to)	1503-1522
Number of pages	20
Journal	IEEE Journal of Emerging and Selected Topics in Power Electronics
Volume	12
Issue number	2
DOIs	https://doi.org/10.1109/JESTPE.2023.3280926
State	Published - Apr 1 2024

Funding

This work was supported in part by the European Union's Horizon 2020 Research and Innovation Program within the Project \"Net2DG\" under Grant 774145; and in part by the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, Solar Energy Technologies Office Program, under Contract DE-AC05-00OR22725.

Funders	Funder number
Office of Energy Efficiency and Renewable Energy
U.S. Department of Energy
Horizon 2020	774145
Solar Energy Technologies Program	DE-AC05-00OR22725

Keywords

Coordination control
distribution network
local control
photovoltaic (PV) inverter
reactive power control
voltage support

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1109/JESTPE.2023.3280926

Cite this

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abstract = "Large solar photovoltaic (PV) penetration using inverters in low-voltage (LV) distribution networks may pose several challenges, such as reverse power flow and voltage rise situations. These challenges will eventually force grid operators to carry out grid reinforcement to ensure continued safe and reliable operations. However, smart inverters with reactive power control capability enable PV systems to support voltage quality in the distribution network better. This article gives an overview of the current state-of-the-art control strategies for handling voltage problems through PV inverters and other devices. In addition, the (control) technical issues of PV systems integrated into the LV distribution network are considered from a control point of view. By comparing the control issues of PV integration into the grid, this article aims to help distribution system operators (DSOs) to expand the volume of PV generation in the distribution system in an efficient and safe manner. In addition, it will help control engineers and researchers select proper control strategies for PV systems as well as other distributed renewable sources.",

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AU - Iov, Florin

AU - Yang, Yongheng

AU - Blaabjerg, Frede

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AB - Large solar photovoltaic (PV) penetration using inverters in low-voltage (LV) distribution networks may pose several challenges, such as reverse power flow and voltage rise situations. These challenges will eventually force grid operators to carry out grid reinforcement to ensure continued safe and reliable operations. However, smart inverters with reactive power control capability enable PV systems to support voltage quality in the distribution network better. This article gives an overview of the current state-of-the-art control strategies for handling voltage problems through PV inverters and other devices. In addition, the (control) technical issues of PV systems integrated into the LV distribution network are considered from a control point of view. By comparing the control issues of PV integration into the grid, this article aims to help distribution system operators (DSOs) to expand the volume of PV generation in the distribution system in an efficient and safe manner. In addition, it will help control engineers and researchers select proper control strategies for PV systems as well as other distributed renewable sources.

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Voltage Support with PV Inverters in Low-Voltage Distribution Networks: An Overview

Abstract

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Keywords

UN SDGs

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