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Waveform Control of Fuel-cell Inverter Systems

Research output: Chapters, Conference Papers, Creative and Literary WorksRGC 32 - Refereed conference paper (with host publication)peer-review

Abstract

Fuel-cell power systems comprising single-phase DC/AC inverters draw low-frequency AC ripple currents at twice the output frequency from the fuel cell. Such a 100/120 Hz ripple current may create instability in the fuel cell system, lowers its efficiency, and shortens the lifetime of fuel cell stack. This paper1 presents a waveform control method that can mitigate such a low-frequency ripple current from being drawn from the fuel cell while the fuel-cell system delivers AC power to the load through a differential inverter. Theoretical analysis, simulation, and experimental results are provided to explain the operation and showcase the performance of the approach. Results validate that the proposed solution can achieve significant mitigation of the current ripple as well as high quality output voltage without the need for extra hardware. © 2012 IEEE.
Original languageEnglish
Title of host publication2012 IEEE Energy Conversion Congress and Exposition (ECCE)
Pages4457-4463
ISBN (Electronic)9781467308014, 9781467308038
DOIs
Publication statusPublished - Sept 2012
Event4th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2012) - Raleigh Convention Center, Raleigh, United States
Duration: 15 Sept 201220 Sept 2012

Publication series

NameIEEE Energy Conversion Congress and Exposition, ECCE
ISSN (Print)2329-3721
ISSN (Electronic)2329-3748

Conference

Conference4th Annual IEEE Energy Conversion Congress and Exposition (ECCE 2012)
PlaceUnited States
CityRaleigh
Period15/09/1220/09/12

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 7 - Affordable and Clean Energy
    SDG 7 Affordable and Clean Energy

Research Keywords

  • active method
  • decouple
  • Fuel cell
  • low-frequency current ripple
  • pulsation power
  • waveform control

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