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Design and development of LLC DC/DC converter for fuel cell range extender application

: Mahajan, A.; Reichert, S.

Postprint urn:nbn:de:0011-n-4110562 (10 MByte PDF)
MD5 Fingerprint: 8e391395d64d687f4562a1d758a4d482
Erstellt am: 10.9.2016

Energietechnische Gesellschaft -ETG-; Verband Deutscher Elektrotechniker e.V. -VDE-, Berlin:
CIPS 2016, 9th International Conference on Integrated Power Electronics Systems. Proceedings. CD-ROM : March, 8 - 10, 2016, Nuremberg/Germany
Berlin: VDE-Verlag, 2016 (ETG Fachbericht 148)
ISBN: 978-3-8007-4171-7
ISBN: 3-8007-4171-7
4 S.
International Conference on Integrated Power Electronics Systems (CIPS) <9, 2016, Nuremberg>
Konferenzbeitrag, Elektronische Publikation
Fraunhofer ISE ()
Elektrische Energiesysteme; Energieeffiziente Leistungselektronik; Elektromobilität; converter; efficiency; cell stack; topology

This paper is focused on the design and development of a new DC/DC converter based on LLC topology for charging the traction battery in an electric vehicle from the fuel cell stack. The input voltage range is 16-22 V and the output voltage is 275-350 V operating at maximum power of 1.25 kW (5 kW, four in parallel). The presented demonstrator consists of four parallel converters. The DC/DC converter has a high efficiency of about 95 %, high power density and low cost.