| Autor: |
Uhrig, Florian, Säger, Peter, Kurzweil, Peter, von Unwerth, Thomas |
| Jazyk: |
angličtina |
| Rok vydání: |
2019 |
| Předmět: |
|
| Druh dokumentu: |
Text<br />Conference Material |
| Popis: |
Efficiency-enhancing measures are evaluated for a serial hybrid fuel cell vehicle over a drive cycle. The regarded powertrain consists of fuel cell system, battery, DC-DC converter, inverter and electrical machine. Within the fuel cell system, the air supply is the largest parasitic load. For the lowest dissipation, different air compression architectures are optimized by a scaling algorithm and compared. Phase switching reduces DC-DC losses. Additionally, a variable DC-link voltage increases efficiency of electrical machine and inverter. Dynamic Programming (DP) is used to evaluate these measures. The DP was extended by start-up and shutdown energy of the fuel cell system to model realistic cycle consumptions. Finally, all these efficiency enhancing measures lead to a reduction of energy consumption by 6.4 % for the serial hybrid fuel cell vehicle over a drive cycle. |
| Databáze: |
Networked Digital Library of Theses & Dissertations |
| Externí odkaz: |
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