<b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems
This paper presents a thermal based modified dynamic model of a Solid Oxide Fuel Cell (SOFC) for grid-connected systems. The proposed fuel cell model involves ohmic, activation and concentration voltage losses, thermal dynamics, methanol reformer, fuel utilization factor and power limiting module. A...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Universidade Estadual de Maringá
2015-05-01
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| Series: | Acta Scientiarum: Technology |
| Subjects: | |
| Online Access: | http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/24941 |
| _version_ | 1811273415674298368 |
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| author | Ayetül Gelen Tankut Yalcinoz |
| author_facet | Ayetül Gelen Tankut Yalcinoz |
| author_sort | Ayetül Gelen |
| collection | DOAJ |
| description | This paper presents a thermal based modified dynamic model of a Solid Oxide Fuel Cell (SOFC) for grid-connected systems. The proposed fuel cell model involves ohmic, activation and concentration voltage losses, thermal dynamics, methanol reformer, fuel utilization factor and power limiting module. A power conditioning unit (PCU), which consists of a DC-DC boost converter and a DC-AC voltage-source inverter (VSI), their controller, transformer and filter, is designed for grid-connected systems. The voltage-source inverter with six Insulated Gate Bipolar Transistor (IGBT) switches inverts the DC voltage that comes from the converter into a sinusoidal voltage synchronized with the grid. The simulations and modeling of the system are developed on Matlab/Simulink environment. The performance of SOFC with converter is examined under step and random load conditions. The simulation results show that the designed boost converter for the proposed thermal based modified SOFC model has fairly followed different DC load variations. Finally, the AC bus of 400 Volt and 50 Hz is connected to a single-machine infinite bus (SMIB) through a transmission line. The real and reactive power managements of the inverter are analyzed by an infinite bus system. Thus, the desired nominal values are properly obtained by means of the inverter controller. |
| first_indexed | 2024-04-12T22:58:44Z |
| format | Article |
| id | doaj.art-228f4061f240458b9791e1571ce712fb |
| institution | Directory Open Access Journal |
| issn | 1806-2563 1807-8664 |
| language | English |
| last_indexed | 2024-04-12T22:58:44Z |
| publishDate | 2015-05-01 |
| publisher | Universidade Estadual de Maringá |
| record_format | Article |
| series | Acta Scientiarum: Technology |
| spelling | doaj.art-228f4061f240458b9791e1571ce712fb2022-12-22T03:13:07ZengUniversidade Estadual de MaringáActa Scientiarum: Technology1806-25631807-86642015-05-0137221121910.4025/actascitechnol.v37i2.2494112200<b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systemsAyetül Gelen0Tankut Yalcinoz1Gaziosmanpasa UniversityMevlana UniversityThis paper presents a thermal based modified dynamic model of a Solid Oxide Fuel Cell (SOFC) for grid-connected systems. The proposed fuel cell model involves ohmic, activation and concentration voltage losses, thermal dynamics, methanol reformer, fuel utilization factor and power limiting module. A power conditioning unit (PCU), which consists of a DC-DC boost converter and a DC-AC voltage-source inverter (VSI), their controller, transformer and filter, is designed for grid-connected systems. The voltage-source inverter with six Insulated Gate Bipolar Transistor (IGBT) switches inverts the DC voltage that comes from the converter into a sinusoidal voltage synchronized with the grid. The simulations and modeling of the system are developed on Matlab/Simulink environment. The performance of SOFC with converter is examined under step and random load conditions. The simulation results show that the designed boost converter for the proposed thermal based modified SOFC model has fairly followed different DC load variations. Finally, the AC bus of 400 Volt and 50 Hz is connected to a single-machine infinite bus (SMIB) through a transmission line. The real and reactive power managements of the inverter are analyzed by an infinite bus system. Thus, the desired nominal values are properly obtained by means of the inverter controller.http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/24941solid oxide fuel cellthermal modified modelpower conditioning unitinfinite busgrid connected. |
| spellingShingle | Ayetül Gelen Tankut Yalcinoz <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems Acta Scientiarum: Technology solid oxide fuel cell thermal modified model power conditioning unit infinite bus grid connected. |
| title | <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems |
| title_full | <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems |
| title_fullStr | <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems |
| title_full_unstemmed | <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems |
| title_short | <b>The modeling and simulation of thermal based modified solid oxide fuel cell (SOFC) for grid-connected systems |
| title_sort | b the modeling and simulation of thermal based modified solid oxide fuel cell sofc for grid connected systems |
| topic | solid oxide fuel cell thermal modified model power conditioning unit infinite bus grid connected. |
| url | http://186.233.154.254/ojs/index.php/ActaSciTechnol/article/view/24941 |
| work_keys_str_mv | AT ayetulgelen bthemodelingandsimulationofthermalbasedmodifiedsolidoxidefuelcellsofcforgridconnectedsystems AT tankutyalcinoz bthemodelingandsimulationofthermalbasedmodifiedsolidoxidefuelcellsofcforgridconnectedsystems |