2009
DOI: 10.1115/1.3006302
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Determination of an Empirical Transfer Function of a Solid Oxide Fuel Cell Gas Turbine Hybrid System Via Frequency Response Analysis

Abstract: This paper presents the study of the effect variations in the heat effluence from a solid oxide fuel cell (SOFC) has on a gas turbine hybrid configuration. The SOFC is simulated through hardware at the U.S. Department of Energy, National Energy Technology Laboratory (NETL). The gas turbine, compressor, recuperative heat exchanger, and other balance of plant components are represented by actual hardware in the Hybrid Performance Test Facility at NETL. Fuel cell heat exhaust is represented by a combustor that is… Show more

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Cited by 6 publications
(9 citation statements)
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“…The TF matrices used in this study are those related to the cold air (CA) bypass valve and the electrical load (EL) actuation. These BoP inputs have the most weight in the thermal management of the system, and are essential to the performance and efficiency of the FC hybrid [7,15]. The inputs u 1 and u 2 in Eqs.…”
Section: Empirical Transfer Function Matricesmentioning
confidence: 99%
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“…The TF matrices used in this study are those related to the cold air (CA) bypass valve and the electrical load (EL) actuation. These BoP inputs have the most weight in the thermal management of the system, and are essential to the performance and efficiency of the FC hybrid [7,15]. The inputs u 1 and u 2 in Eqs.…”
Section: Empirical Transfer Function Matricesmentioning
confidence: 99%
“…A unique feature of having a cyber-physical plant is the ability to derive empirical models of all the operating points of the entire system. The previous work has identified multiple operating points with the use of transfer functions [15]. These transfer function (TF) matrices can be derived with ease for the entire operating envelope using classical identification techniques, by modulating the BoP actuators, one at a time at different frequencies, or with the use of open-loop tests [14].…”
Section: Introductionmentioning
confidence: 99%
“…The system was composed of a GT cycle coupled to an atmospheric FC. Tsai et al [26], [27], [28], and [29] disturbances, and optimize operation.…”
Section: Control Strategiesmentioning
confidence: 99%
“…The second case uses transfer functions (TFs) identified previously by Tsai ([26], [27], [28], and [29]). These TFs were identified to linearize the HyPer plant around an operating point, in order to design a multivariable control system.…”
Section: Introductionmentioning
confidence: 99%
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