Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications

Energy storage is vital for a future where energy generation transitions from a fossil fuels-based one to an energy system that relies heavily on clean energy sources such as photovoltaic (PV) solar energy. To foster this transition, engineers and practitioners must have open-access models of PV sys...

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Main Authors: Joel Alpízar-Castillo, Victor Vega-Garita, Nishant Narayan, Laura Ramirez-Elizondo
Format: Article
Language:English
Published: MDPI AG 2023-07-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/14/5480
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author Joel Alpízar-Castillo
Victor Vega-Garita
Nishant Narayan
Laura Ramirez-Elizondo
author_facet Joel Alpízar-Castillo
Victor Vega-Garita
Nishant Narayan
Laura Ramirez-Elizondo
author_sort Joel Alpízar-Castillo
collection DOAJ
description Energy storage is vital for a future where energy generation transitions from a fossil fuels-based one to an energy system that relies heavily on clean energy sources such as photovoltaic (PV) solar energy. To foster this transition, engineers and practitioners must have open-access models of PV systems coupled with battery storage systems (BESS). These models are fundamental to quantifying their economic and technical merits during the design phase. This paper contributes in this direction by carefully describing a model that accurately represents the power directions and energy dealings between the PV modules, the battery pack, and the loads. Moreover, the general model can be implemented using two different PV generation methods, the Gaussian model and the meteorological data-based model (MDB). We found that the MDB model is more appropriate for short-term analysis compared to the Gaussian model, while for long-term studies, the Gaussian model is closer to measured data. Moreover, the proposed model can reproduce two different energy management strategies: peak-shaving and maximizing self-consumption, allowing them to be used during PV–BESS sizing stages. Furthermore, the results obtained by the simulation are closed when compared to a real grid-tied PV–BESS, demonstrating the model’s validity.
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spelling doaj.art-37ce7c5f64c246f3993972589ee23b552023-11-18T19:11:00ZengMDPI AGEnergies1996-10732023-07-011614548010.3390/en16145480Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption ApplicationsJoel Alpízar-Castillo0Victor Vega-Garita1Nishant Narayan2Laura Ramirez-Elizondo3Electrical Engineering Department, Fidélitas University, San Pedro, San José 11501, Costa RicaElectrical Engineering Department, University of Costa Rica, San Pedro, San José 11501-2060, Costa RicaSustainable Energy for All, 1220 Vienna, AustriaDC Systems, Energy Conversion and Storage Group at TU Delft, 2628CD Delft, The NetherlandsEnergy storage is vital for a future where energy generation transitions from a fossil fuels-based one to an energy system that relies heavily on clean energy sources such as photovoltaic (PV) solar energy. To foster this transition, engineers and practitioners must have open-access models of PV systems coupled with battery storage systems (BESS). These models are fundamental to quantifying their economic and technical merits during the design phase. This paper contributes in this direction by carefully describing a model that accurately represents the power directions and energy dealings between the PV modules, the battery pack, and the loads. Moreover, the general model can be implemented using two different PV generation methods, the Gaussian model and the meteorological data-based model (MDB). We found that the MDB model is more appropriate for short-term analysis compared to the Gaussian model, while for long-term studies, the Gaussian model is closer to measured data. Moreover, the proposed model can reproduce two different energy management strategies: peak-shaving and maximizing self-consumption, allowing them to be used during PV–BESS sizing stages. Furthermore, the results obtained by the simulation are closed when compared to a real grid-tied PV–BESS, demonstrating the model’s validity.https://www.mdpi.com/1996-1073/16/14/5480PV–BESS modelingsolar–battery systemsPV–BESS
spellingShingle Joel Alpízar-Castillo
Victor Vega-Garita
Nishant Narayan
Laura Ramirez-Elizondo
Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
Energies
PV–BESS modeling
solar–battery systems
PV–BESS
title Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
title_full Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
title_fullStr Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
title_full_unstemmed Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
title_short Open-Access Model of a PV–BESS System: Quantifying Power and Energy Exchange for Peak-Shaving and Self Consumption Applications
title_sort open access model of a pv bess system quantifying power and energy exchange for peak shaving and self consumption applications
topic PV–BESS modeling
solar–battery systems
PV–BESS
url https://www.mdpi.com/1996-1073/16/14/5480
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