Design and construction of a test bench to characterize the charging and discharging behaviour

Christoph Roggendorf, Tobias Blank, Stephan Thomas, Ionut Trintis

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

Battery energy storage systems are able to compensate volatile energy sources, such as wind and solar energy. One system topology for medium voltage grids uses high voltage batteries. This yields in an improvement of the overall system efficiency. High voltage batteries may be advantageous for future DC-grids as well. However, as there is little expert knowledge about series connected batteries up to several kV, this makes investigations of the charging and discharging behaviour of such systems necessary. For this purpose, a test bench for high voltage storage systems is built to analyse these processes for different battery technologies. A special safety infrastructure for the test bench must be developed due to the high voltage and the storable energy of approximately 120 kWh. This paper presents the layout of the test bench with all components, the safety requirements with the resultant safety circuit and the aim of the investigations to be performed with the test bench.

Original languageEnglish
Title of host publicationProceedings of the International Renewable Energy Storage Conference (IRES 2009)
Number of pages7
Place of PublicationBerlin, DE
PublisherThe European Association for Renewable Energy
Publication date24 Nov 2009
Pages1-7
Publication statusPublished - 24 Nov 2009
EventInternational Renewable Energy Storage Conference (IRES 2009) - Berlin, Germany
Duration: 24 Nov 200925 Nov 2009
Conference number: 4

Conference

ConferenceInternational Renewable Energy Storage Conference (IRES 2009)
Number4
CountryGermany
CityBerlin
Period24/11/200925/11/2009

Keywords

  • BESS
  • DC-AC
  • DC-DC
  • medium voltage

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