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Impact Assessment and Mitigation Techniques for High Penetration Levels of Renewable Energy Sources in Distribution Networks: Voltage-control Perspective

Authors :
Tarek H. M. EL-Fouly
Dave Turcotte
Ahmed S. A. Awad
Source :
Journal of Modern Power Systems and Clean Energy. 10:450-458
Publication Year :
2022
Publisher :
Journal of Modern Power Systems and Clean Energy, 2022.

Abstract

The integration of renewable distributed generation (RDG) into distribution networks is promising and increasing nowadays. However, high penetration levels of distributed generation (DG) are often limited as they may have an adverse effect on the operation of distribution networks. One of the operation challenges is the interaction between DG and voltage-control equipment, e. g., an under-load tap changer (ULTC), which is basically designed to compensate for voltage changes caused by slow load variations. The integration of variable DGs leads to rapid voltage fluctuations, which can negatively affect the tap operation of ULTC. This paper investigates the impact of high penetration levels of RDG on the tap operation of ULTC in distribution networks through simulations. Various mitigation techniques that can alleviate this impact are also examined. Among these techniques, constant power-factor mode is regarded as the best trade-off between the simplicity and effectiveness of minimizing the number of tap operations. Simulations are performed on a Canadian benchmark rural distribution feeder using OpenDSS software.

Details

ISSN :
21965625
Volume :
10
Database :
OpenAIRE
Journal :
Journal of Modern Power Systems and Clean Energy
Accession number :
edsair.doi...........02eec68ceae0ee243818c916b3b3fe34
Full Text :
https://doi.org/10.35833/mpce.2020.000177