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Erschienen in:
2022 | OriginalPaper | Buchkapitel
Energy Efficiency in Drivetrain Development in a Mini-Grid with green H2
verfasst von : Bernhard Kehrwald, P. Berlet, F. Frischholz
Erschienen in: 22. Internationales Stuttgarter Symposium
Verlag: Springer Fachmedien Wiesbaden
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Abstract
In the development of combustion engines for Power-to-X costs for the test bench technology and especially for the fuel, increase enormously with the engine size, so that the depth of testing has to be reduced relative to the required lifetime or durability. If a H2-powered combustion engine is braked by means of a generator, usable electricity is generated from H2. As H2 is also the source of energy in a fuel cell system, both may be combined with an electrolyser, which in turn produces H2 for use in this circuit. This operating practice enables it to produce H2 very cost-effective, to minimise the purchase of grey H2 and electricity as well as to run engine and fuel cell tests with green H2 fuel.
In a next step the current Mini-Grid, which includes a local H2 storage system will be enlarged by a multiplication of the electrolysers and completed by a trailer station. In the near future up to 6 larger H2 tanks and 3 further trailer sites are planned.
However with regard to the limited H2-quantities high-resolution measurement techniques of IAVF Antriebstechnik GmbH may help to obtain more and better assignable results from engine and fuel cell tests, save costs and development time also in the future.