Case Studies for Supplying the Alternating Current Auxiliary Systems of Substations with a Voltage Equal to or Higher than 230 kV

Mariana de Morais Cavalcanti, Tatiane Costa, Alex C. Pereira, Eduardo B. Jatobá, José Bione de Melo Filho, Elisabete Barreto, Mohamed A. Mohamed (), Adrian Ilinca () and Manoel H. N. Marinho
Additional contact information
Mariana de Morais Cavalcanti: PostGrad Program in Systems Engineering (PPGES), University of Pernambuco—UPE, Recife 50100-010, PE, Brazil
Tatiane Costa: Edson Mororó Moura Institute of Technology—ITEMM, 733 Padre Carapuceiro Street, Recife 51020-280, PE, Brazil
Alex C. Pereira: São Francisco Hydroelectric Company (Chesf), Recife 50761-901, PE, Brazil
Eduardo B. Jatobá: São Francisco Hydroelectric Company (Chesf), Recife 50761-901, PE, Brazil
José Bione de Melo Filho: São Francisco Hydroelectric Company (Chesf), Recife 50761-901, PE, Brazil
Elisabete Barreto: São Francisco Hydroelectric Company (Chesf), Recife 50761-901, PE, Brazil
Mohamed A. Mohamed: Department of Electrical Engineering, Faculty of Engineering, Minia University, Minia 61519, Egypt
Adrian Ilinca: Department of Mechanical Engineering, École de Technologie Supérieure, 1100, Rue Notre-Dame Ouest, Montréal, QC H3C 1K3, Canada
Manoel H. N. Marinho: PostGrad Program in Systems Engineering (PPGES), University of Pernambuco—UPE, Recife 50100-010, PE, Brazil

Energies, 2023, vol. 16, issue 14, 1-25

Abstract: This paper presents case studies for replacing diesel generators (DGs) that are used as the main and emergency power sources for alternating current (AC) auxiliary services in substations (SS) within the transmission network (voltage greater than or equal to 230 kV). The objective of this research is to present a solution that is more reliable, environmentally friendly, and financially viable than DGs. To achieve this, the proposed solutions incorporate Battery Energy Storage Systems (BESSs) with or without the integration of Photovoltaic (PV) Systems. These solutions were simulated using the HOMER PRO Version 3.14.5 software for the Messias SS /AL, and the results were analyzed and compared to the DG in terms of reliability, financial viability, and environmental impact. Based on the conducted analyses, the BESS solution with the PV system was found to be the most suitable for the main source. However, in the case of the emergency source, if one of the main sources is a DG/BESS, maintaining the emergency DG is the preferable option. If both main sources are independent, the BESS solution with the PV system is a suitable solution.

Keywords: BESS; diesel generation; auxiliary services; substation; photovoltaic; HOMER (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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