Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems

The paper presents the methodology that should be used to optimize hybrid power system configurations, i.e., the chosen microgrid scenario. The methodology was developed with the aim of evaluating the different production capacities of a system and comparing them with alternative connections to the...

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Main Authors: Dubravko Žigman, Tomislav Tomiša, Krešimir Osman
Format: Article
Language:English
Published: MDPI AG 2023-02-01
Series:Energies
Subjects:
Online Access:https://www.mdpi.com/1996-1073/16/5/2158
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author Dubravko Žigman
Tomislav Tomiša
Krešimir Osman
author_facet Dubravko Žigman
Tomislav Tomiša
Krešimir Osman
author_sort Dubravko Žigman
collection DOAJ
description The paper presents the methodology that should be used to optimize hybrid power system configurations, i.e., the chosen microgrid scenario. The methodology was developed with the aim of evaluating the different production capacities of a system and comparing them with alternative connections to the main grid. It has a step-by-step structure and includes part of the steps performed by simulations in a computer program. It provides us with not only a basic but also a representative idea of an actual microgrid configuration, which is further used as support in the system’s design. An algorithm has been developed to check the energy flows and correct the selling price. The program HOMER Pro is used as the program support in performing the hybrid optimization simulation. In the analysis, it was found that the maximum share of generation from renewable energy sources in relation to the power grid is 143%, while the share of renewable energy sources in the generated energy is 65.3%. Greenhouse gas emissions are reduced by 40.75% compared to energy generated only from the power grid. In the optimization process, four configurations of the microgrid model with 990 solutions were taken, all of which are feasible.
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spelling doaj.art-1454d3aabc5d486d92a87dcf5629c9612023-11-17T07:34:55ZengMDPI AGEnergies1996-10732023-02-01165215810.3390/en16052158Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy SystemsDubravko Žigman0Tomislav Tomiša1Krešimir Osman2Department of Electrical Engineering, Zagreb University of Applied Sciences, Konavoska 2, 10 000 Zagreb, CroatiaDepartment of Energy and Power Systems, Faculty of Electrical Engineering and Computing, University of Zagreb, Unska 3, 10 000 Zagreb, CroatiaDepartment of Electrical Engineering, Zagreb University of Applied Sciences, Konavoska 2, 10 000 Zagreb, CroatiaThe paper presents the methodology that should be used to optimize hybrid power system configurations, i.e., the chosen microgrid scenario. The methodology was developed with the aim of evaluating the different production capacities of a system and comparing them with alternative connections to the main grid. It has a step-by-step structure and includes part of the steps performed by simulations in a computer program. It provides us with not only a basic but also a representative idea of an actual microgrid configuration, which is further used as support in the system’s design. An algorithm has been developed to check the energy flows and correct the selling price. The program HOMER Pro is used as the program support in performing the hybrid optimization simulation. In the analysis, it was found that the maximum share of generation from renewable energy sources in relation to the power grid is 143%, while the share of renewable energy sources in the generated energy is 65.3%. Greenhouse gas emissions are reduced by 40.75% compared to energy generated only from the power grid. In the optimization process, four configurations of the microgrid model with 990 solutions were taken, all of which are feasible.https://www.mdpi.com/1996-1073/16/5/2158methodologyoptimizationsimulationelectrical hybrid systemmicrogridhybrid power system configuration
spellingShingle Dubravko Žigman
Tomislav Tomiša
Krešimir Osman
Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
Energies
methodology
optimization
simulation
electrical hybrid system
microgrid
hybrid power system configuration
title Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
title_full Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
title_fullStr Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
title_full_unstemmed Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
title_short Methodology Presentation for the Configuration Optimization of Hybrid Electrical Energy Systems
title_sort methodology presentation for the configuration optimization of hybrid electrical energy systems
topic methodology
optimization
simulation
electrical hybrid system
microgrid
hybrid power system configuration
url https://www.mdpi.com/1996-1073/16/5/2158
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AT tomislavtomisa methodologypresentationfortheconfigurationoptimizationofhybridelectricalenergysystems
AT kresimirosman methodologypresentationfortheconfigurationoptimizationofhybridelectricalenergysystems