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Article

Optimal Under-Frequency Load Shedding Setting at Altai-Uliastai Regional Power System, Mongolia

1
Department of Electrical Engineering, Information Technology and Cybernetics, University of South-Eastern Norway, 3918 Porsgrunn, Norway
2
School of Mechanical and Electrical Engineering, Universidad Autónoma de Nuevo León, San Nicolas de los Garza 66455, NL, Mexico
3
Power System Analysis and Research Department, National Dispatching Center Co. Ltd., Ulaanbaatar 17032, Mongolia
4
Department of Electrical Sustainable Energy, Delft University of Technology (TU Delft), 2628 Delft, The Netherlands
5
Department of Electrical Engineering, Universidad de Sevilla, 41004 Seville, Spain
*
Author to whom correspondence should be addressed.
Energies 2020, 13(20), 5390; https://doi.org/10.3390/en13205390
Received: 31 August 2020 / Revised: 29 September 2020 / Accepted: 10 October 2020 / Published: 15 October 2020
The Altai-Uliastai regional power system (AURPS) is a regional power system radially interconnected to the power system of Mongolia. The 110 kV interconnection is exceptionally long and susceptible to frequent trips because of weather conditions. The load-rich and low-inertia AURPS must be islanded during interconnection outages, and the under-frequency load shedding (UFLS) scheme must act to ensure secure operation. Traditional UFLS over-sheds local demand, negatively affecting the local population, especially during the cold Mongolian winter season. This research paper proposes a novel methodology to optimally calculate the settings of the UFLS scheme, where each parameter of the scheme is individually adjusted to minimise the total amount of disconnected load. This paper presents a computationally efficient methodology that is illustrated in a specially created co-simulation environment (DIgSILENT® PowerFactoryTM + Python). The results demonstrate an outstanding performance of the proposed approach when compared with the traditional one. View Full-Text
Keywords: frequency control; improved harmony search; metaheuristic algorithm; Mongolian power system; optimisation; under-frequency load shedding frequency control; improved harmony search; metaheuristic algorithm; Mongolian power system; optimisation; under-frequency load shedding
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MDPI and ACS Style

Acosta, M.N.; Adiyabazar, C.; Gonzalez-Longatt, F.; Andrade, M.A.; Torres, J.R.; Vazquez, E.; Riquelme Santos, J.M. Optimal Under-Frequency Load Shedding Setting at Altai-Uliastai Regional Power System, Mongolia. Energies 2020, 13, 5390. https://doi.org/10.3390/en13205390

AMA Style

Acosta MN, Adiyabazar C, Gonzalez-Longatt F, Andrade MA, Torres JR, Vazquez E, Riquelme Santos JM. Optimal Under-Frequency Load Shedding Setting at Altai-Uliastai Regional Power System, Mongolia. Energies. 2020; 13(20):5390. https://doi.org/10.3390/en13205390

Chicago/Turabian Style

Acosta, Martha N.; Adiyabazar, Choidorj; Gonzalez-Longatt, Francisco; Andrade, Manuel A.; Torres, José R.; Vazquez, Ernesto; Riquelme Santos, Jesús M. 2020. "Optimal Under-Frequency Load Shedding Setting at Altai-Uliastai Regional Power System, Mongolia" Energies 13, no. 20: 5390. https://doi.org/10.3390/en13205390

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