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The Hybrid Cycle: Integration of Turbomachinery With a Fuel Cell FREE

[+] Author Affiliations
Sy A. Ali, Robert R. Moritz

RR-Allison Engine Company, Indianapolis, IN

Paper No. 99-GT-361, pp. V002T02A063; 4 pages
doi:10.1115/99-GT-361
From:
  • ASME 1999 International Gas Turbine and Aeroengine Congress and Exhibition
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Indianapolis, Indiana, USA, June 7–10, 1999
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7859-0
  • Copyright © 1999 by ASME

abstract

In the deregulated electric utility environment, distributed power is expected to play a major role in meeting national power generation requirements of the 21st century. Compliance with environmental regulations and ultra-high efficiency will be attributes in penetrating distributed power markets. Fuel cell/turbomachinery hybrids are poised to become the first choice for these applications, yielding emissions of nitrogen oxides below 2 ppmv and low CO2 emissions due to high efficiency (>70% in 20 MW power packages). The challenges faced by hybrid systems are: system integration, power electronics/power conditioning, system controls, operational and transient dynamics, and commercial system cost. Opportunities to use existing gas turbines as the selected turbomachinery are being investigated, prompted by size flexibility and the savings in time and investment that this offers. This paper is an attempt to address the opportunities and challenges posed by a variety of fuel cell/turbomachinery hybrids.

Copyright © 1999 by ASME
This article is only available in the PDF format.

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