Abstract
This study presents the transient behavior of a PEM fuel cell-battery system by experiments. The dynamic characterizations of this hybrid fuel cell-battery system with a single dc/dc boost converter were investigated by experiments under a step-up power load. It was found that the pure fuel cell power system transient response to a steady level after a period time exhibits a current overshoot. This was followed by a voltage undershoot behavior because of a step increase in power due to the inherent time delay experienced by the redistribution of membrane water content with a response time order of 8∼29 seconds. The redistribution of membrane water content caused a rapid drop in cell voltage with a time delay of 22.40 seconds, calculated by δ 2/D w, which is in agreement with the experimental results. Finally, some experimental results are presented for verifying the effectiveness of the proposed fuel cell-battery systems with a single dc/dc boost converter that could improve the overshoot and undershoot responses on fuel cell.
| Original language | English |
|---|---|
| Title of host publication | Proceedings of 2012 International Symposium on Information Technologies in Medicine and Education, ITME 2012 |
| Pages | 985-990 |
| Number of pages | 6 |
| DOIs | |
| Publication status | Published - 2012 |
| Externally published | Yes |
| Event | 2012 International Symposium on Information Technologies in Medicine and Education, ITME 2012 - Hokkaido, Japan Duration: 3 Aug 2012 → 5 Aug 2012 |
Publication series
| Name | Proceedings of 2012 International Symposium on Information Technologies in Medicine and Education, ITME 2012 |
|---|---|
| Volume | 2 |
Conference
| Conference | 2012 International Symposium on Information Technologies in Medicine and Education, ITME 2012 |
|---|---|
| Country/Territory | Japan |
| City | Hokkaido |
| Period | 3/08/12 → 5/08/12 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 7 Affordable and Clean Energy
Keywords
- PEM fuel cell
- battery
- hybrid power systems
- overshoot
- undershoot
ASJC Scopus subject areas
- Information Systems
- Biomedical Engineering
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