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Exergoeconomic Evaluation of a Modern Ultra-Supercritical Power Plant

Author

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  • Ligang Wang

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

  • Yongping Yang

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

  • Changqing Dong

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

  • Zhiping Yang

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

  • Gang Xu

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

  • Lingnan Wu

    (School of Energy, Power and Mechanical Engineering, North China Electric Power University, Beinong Road 2, Beijing 102206, China)

Abstract

In this paper, the exergoeconomic analysis was conducted to an existing ultra-supercritical coal-fired power plant in China to understand the cost-formation process, to evaluate the economic performance of each component and to find possible solutions for more cost-effective designs. The total revenue requirement (TRR) and the specific exergy costing (SPECO) methods were applied for economic analysis and exergy costing, respectively. Quantitative balances of exergy and exergetic costs as well as necessary auxiliary equations for both individual component and the overall system were established. The results show that the exergoeconomic factors of the furnace and heat exchangers at low temperature levels, including air preheater and low-pressure feedwater preheaters, are rather small; while those of other components are relatively large. Moving more heat absorption into furnace to use the effective radiation heat transfer, increasing the air preheating temperature and adding more low pressure feedwater preheaters can be promising solutions for future design.

Suggested Citation

  • Ligang Wang & Yongping Yang & Changqing Dong & Zhiping Yang & Gang Xu & Lingnan Wu, 2012. "Exergoeconomic Evaluation of a Modern Ultra-Supercritical Power Plant," Energies, MDPI, vol. 5(9), pages 1-17, September.
    • Handle: RePEc:gam:jeners:v:5:y:2012:i:9:p:3381-3397:d:19898
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    References listed on IDEAS

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    Cited by:

    1. Dong-Jin Cho & Eul-Bum Lee & Jae-Min Cho & Douglas Alleman, 2019. "Reducing the Superheating of Extraction Stream on Advanced-Ultra Super Critical Power Plants with Regenerative Turbines in South Korea: An Economic Analysis," Energies, MDPI, vol. 12(9), pages 1-22, May.
    2. Zhou, Jing & Zhu, Meng & Chen, Lei & Ren, Qiangqiang & Su, Sheng & Hu, Song & Wang, Yi & Xiang, Jun, 2023. "Performance assessment and system optimization on supercritical CO2 double-path recompression coal-fired combined heat and power plants with MEA-based post-combustion CO2 capture," Energy, Elsevier, vol. 267(C).
    3. Wang, Ligang & Yang, Yongping & Dong, Changqing & Morosuk, Tatiana & Tsatsaronis, George, 2014. "Multi-objective optimization of coal-fired power plants using differential evolution," Applied Energy, Elsevier, vol. 115(C), pages 254-264.
    4. Zhou, Jing & Zhu, Meng & Xu, Kai & Su, Sheng & Tang, Yifang & Hu, Song & Wang, Yi & Xu, Jun & He, Limo & Xiang, Jun, 2020. "Key issues and innovative double-tangential circular boiler configurations for the 1000 MW coal-fired supercritical carbon dioxide power plant," Energy, Elsevier, vol. 199(C).
    5. Chul-Seung Hong & Eul-Bum Lee, 2018. "Power Plant Economic Analysis: Maximizing Lifecycle Profitability by Simulating Preliminary Design Solutions of Steam-Cycle Conditions," Energies, MDPI, vol. 11(9), pages 1-21, August.
    6. Ligang Wang & Zhiping Yang & Shivom Sharma & Alberto Mian & Tzu-En Lin & George Tsatsaronis & François Maréchal & Yongping Yang, 2018. "A Review of Evaluation, Optimization and Synthesis of Energy Systems: Methodology and Application to Thermal Power Plants," Energies, MDPI, vol. 12(1), pages 1-53, December.
    7. Li, Xiaoen & Wang, Ningling & Wang, Ligang & Yang, Yongping & Maréchal, François, 2018. "Identification of optimal operating strategy of direct air-cooling condenser for Rankine cycle based power plants," Applied Energy, Elsevier, vol. 209(C), pages 153-166.
    8. Zhao, Zhigang & Su, Sheng & Si, Ningning & Hu, Song & Wang, Yi & Xu, Jun & Jiang, Long & Chen, Gang & Xiang, Jun, 2017. "Exergy analysis of the turbine system in a 1000 MW double reheat ultra-supercritical power plant," Energy, Elsevier, vol. 119(C), pages 540-548.
    9. Hofmann, Mathias & Tsatsaronis, George, 2018. "Comparative exergoeconomic assessment of coal-fired power plants – Binary Rankine cycle versus conventional steam cycle," Energy, Elsevier, vol. 142(C), pages 168-179.
    10. Fontina Petrakopoulou & Marina Olmeda-Delgado, 2019. "Studying the Reduction of Water Use in Integrated Solar Combined-Cycle Plants," Sustainability, MDPI, vol. 11(7), pages 1-27, April.
    11. He, Qing & Liu, Hui & Hao, Yinping & Liu, Yaning & Liu, Wenyi, 2018. "Thermodynamic analysis of a novel supercritical compressed carbon dioxide energy storage system through advanced exergy analysis," Renewable Energy, Elsevier, vol. 127(C), pages 835-849.
    12. Rocha, Danilo H.D. & Siqueira, Diana S. & Silva, Rogério J., 2021. "Exergoenvironmental analysis for evaluating coal-fired power plants technologies," Energy, Elsevier, vol. 233(C).
    13. Wang, Ligang & Lampe, Matthias & Voll, Philip & Yang, Yongping & Bardow, André, 2016. "Multi-objective superstructure-free synthesis and optimization of thermal power plants," Energy, Elsevier, vol. 116(P1), pages 1104-1116.

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