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This paper proposes a grid-tied power conditioning system for the fuel cell, which consists of an LLC resonant DC-DC converter and a 3-phase inverter. The LLC resonant converter boosts the fuel cell voltage of 26-48V up to 400V, using the hard-switching boost converter and the high-frequency unregulated LLC resonant converter. The operation of proposed power conditioning system was verified through simulations with PSCAD/EMTDC software. The feasibility of hardware implementation was verified through experimental works with a laboratory prototype, which was built with 1.2kW PEM fuel-cell stack, 1kW high gain step-up converter, and 2kW PWM inverter. The proposed system can be utilized to commercialize a real interconnection system for the fuel-cell power generation.
Published in:
Applied Power Electronics Conference and Exposition (APEC), 2010 Twenty-Fifth Annual IEEE
Date of Conference: 21-25 Feb. 2010
- Page(s):
- 303 - 308
- ISSN :
- 1048-2334
- E-ISBN :
- 978-1-4244-4783-1
- Print ISBN:
- 978-1-4244-4782-4
- INSPEC Accession Number:
- 11204805
- Conference Location :
- Palm Springs, CA
- Digital Object Identifier :
- 10.1109/APEC.2010.5433656
- Product Type:
- Conference Publications
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