Thermoeconomic Diagnosis of the Sequential Combustion Gas Turbine ABB/Alstom GT24

Sergio Castro-Hernández, Teresa López-Arenas, Edgar Vicente Torres-González, Helen Lugo-Méndez and Raúl Lugo-Leyte
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Sergio Castro-Hernández: Departamento de Ingeniería de Procesos e Hidráulica, Universidad Autónoma Metropolitana—Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Vicentina, Ciudad de México 09340, Mexico
Teresa López-Arenas: Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana—Cuajimalpa, Avenida Vasco de Quiroga No. 4871, Santa Fe, Cuajimalpa, Ciudad de México 05348, Mexico
Edgar Vicente Torres-González: Programa de Energía, Universidad Autónoma de la Ciudad de México, Plantel San Lorenzo Tezonco, Prol. San Isidro No. 151, Col. San Lorenzo Tezonco, Ciudad de México 09790, Mexico
Helen Lugo-Méndez: Departamento de Procesos y Tecnología, Universidad Autónoma Metropolitana—Cuajimalpa, Avenida Vasco de Quiroga No. 4871, Santa Fe, Cuajimalpa, Ciudad de México 05348, Mexico
Raúl Lugo-Leyte: Departamento de Ingeniería de Procesos e Hidráulica, Universidad Autónoma Metropolitana—Iztapalapa, Av. San Rafael Atlixco No. 186, Col. Vicentina, Ciudad de México 09340, Mexico

Energies, 2022, vol. 15, issue 2, 1-18

Abstract: In this study, we used the thermoeconomic theory to evaluate the impact of residue cost formation on the cost of electricity generated from natural gas burned in a gas turbine that applied sequential combustion; we also analyzed the impact of the combustion process on the additional fuel consumption to compensate for a malfunction component. We used the Alstom GT24 gas turbine, which applied sequential combustion and generated 235 MW of power. Thermoeconomic analysis indicated that the exergy cost of power generation was 626.33 MW (30.42% corresponded to irreversibility costs, and 29.22% and 2.84% corresponded to the formation costs of physical and chemical residues, respectively). The exergoeconomic production cost of gas turbine was 10,098.71 USD/h, 34.76% from external resources and 65.24% from capital and operating costs. Thermoeconomic diagnosis revealed that a compressor deterioration (of 1-% drop in the isentropic efficiency) resulted in an additional fuel consumption of 4.05 MW to compensate for an increase in irreversibilities (1.97 MW) and residues (2.08 MW); the compressor generated the highest cost (49.9% of additional requirement). Thus, our study can identify the origin of anomalies in a gas-turbine system and explain their effects on the rest of the components.

Keywords: exergoeconomics; exergoeconomic costs; gas turbine; sequential combustion; residue; thermoeconomic theory; Alstom GT24 gas turbine; thermoeconomic diagnosis (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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