Effects of steam injection on microturbine efficiency and performance

Frank Delattin, Svend Bram, Sofie Knoops and Jacques De Ruyck

Energy, 2008, vol. 33, issue 2, 241-247

Abstract: Microturbines offer new perspectives in small-scale heat and power production. Non-continuous heat demand however often leads to a reduced number of yearly running hours. This paper proposes an alternative by introducing water or steam injection without significantly increasing the overall cost. Steam injection (STIG®) has been successful to boost performance and efficiency in industrial gas turbine cycles and similar effects are expected in the case of microturbines. Owing to the different way of controlling microturbines at non-constant shaftspeed, the response to steam or water injection differs from current STIG® cycles. The purpose of this study was to examine the effects of steam injection on microturbine behavior by simulating its off-design characteristics in Aspen.

Keywords: Microturbine; Steam injection; Off design (search for similar items in EconPapers)
Date: 2008
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Citations: View citations in EconPapers (12)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:33:y:2008:i:2:p:241-247

DOI: 10.1016/j.energy.2007.09.007

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