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On the operation strategy of steam power plants working at variable load: Technical and economic issues

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  • Stoppato, A.
  • Mirandola, A.
  • Meneghetti, G.
  • Lo Casto, E.

Abstract

The context of the deregulated energy market leads to high competitiveness among producers and requires suitable strategies in plants and systems management: strongly irregular and discontinuous operation is required in order to meet the user demand and produce energy mainly during peak hours, when the electricity price is higher. This operation strategy is generally asked of all power plants, not only those traditionally devoted to load regulation and peak request, but also those originally designed to cover the base load (steam power plants, for example). As a consequence, greater income is ensured in the short term, but a reduction in the lifetime of the most critical components is likely to occur, due to creep and thermo-mechanical fatigue loadings. This will cause additional costs associated with unplanned maintenance and unavailability of the plant if a failure occurs.

Suggested Citation

  • Stoppato, A. & Mirandola, A. & Meneghetti, G. & Lo Casto, E., 2012. "On the operation strategy of steam power plants working at variable load: Technical and economic issues," Energy, Elsevier, vol. 37(1), pages 228-236.
    • Handle: RePEc:eee:energy:v:37:y:2012:i:1:p:228-236
    DOI: 10.1016/j.energy.2011.11.042
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    1. Mirandola, A. & Stoppato, A. & Lo Casto, E., 2010. "Evaluation of the effects of the operation strategy of a steam power plant on the residual life of its devices," Energy, Elsevier, vol. 35(2), pages 1024-1032.
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    Cited by:

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    2. Alobaid, Falah & Karner, Karl & Belz, Jörg & Epple, Bernd & Kim, Hyun-Gee, 2014. "Numerical and experimental study of a heat recovery steam generator during start-up procedure," Energy, Elsevier, vol. 64(C), pages 1057-1070.
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    4. Jesse G. Wales & Alexander J. Zolan & William T. Hamilton & Alexandra M. Newman & Michael J. Wagner, 2023. "Combining simulation and optimization to derive operating policies for a concentrating solar power plant," OR Spectrum: Quantitative Approaches in Management, Springer;Gesellschaft für Operations Research e.V., vol. 45(1), pages 119-150, March.
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    8. Martyna Tomala & Andrzej Rusin & Adam Wojaczek, 2020. "Risk-Based Planning of Diagnostic Testing of Turbines Operating with Increased Flexibility," Energies, MDPI, vol. 13(13), pages 1-16, July.
    9. Kim, Jong Suk & Edgar, Thomas F., 2014. "Optimal scheduling of combined heat and power plants using mixed-integer nonlinear programming," Energy, Elsevier, vol. 77(C), pages 675-690.
    10. Andrzej Rusin & Martyna Tomala & Henryk Łukowicz & Grzegorz Nowak & Wojciech Kosman, 2021. "On-Line Control of Stresses in the Power Unit Pressure Elements Taking Account of Variable Heat Transfer Conditions," Energies, MDPI, vol. 14(15), pages 1-21, August.
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    12. Rusin, Andrzej & Bieniek, Michał & Lipka, Marian, 2016. "Assessment of the rise in the turbine operation risk due to increased cyclicity of the power unit operation," Energy, Elsevier, vol. 96(C), pages 394-403.
    13. Blanco, Jesús M. & Vazquez, L. & Peña, F., 2012. "Investigation on a new methodology for thermal power plant assessment through live diagnosis monitoring of selected process parameters; application to a case study," Energy, Elsevier, vol. 42(1), pages 170-180.
    14. Vieira, Lara Werncke & Marques, Augusto Delavald & Duarte, Jéssica & Zanardo, Rafael Petri & Schneider, Paulo Smith & Viana, Felipe Antonio Chegury & da Silva Neto, Antônio José & Centeno, Felipe Roma, 2022. "Operational guide to stabilize, standardize and increase power plant efficiency," Applied Energy, Elsevier, vol. 315(C).
    15. Vazquez, Luis & Blanco, Jesús María & Ramis, Rolando & Peña, Francisco & Diaz, David, 2015. "Robust methodology for steady state measurements estimation based framework for a reliable long term thermal power plant operation performance monitoring," Energy, Elsevier, vol. 93(P1), pages 923-944.
    16. Mitra, Sumit & Sun, Lige & Grossmann, Ignacio E., 2013. "Optimal scheduling of industrial combined heat and power plants under time-sensitive electricity prices," Energy, Elsevier, vol. 54(C), pages 194-211.
    17. Beiron, Johanna & Montañés, Rubén M. & Normann, Fredrik & Johnsson, Filip, 2020. "Flexible operation of a combined cycle cogeneration plant – A techno-economic assessment," Applied Energy, Elsevier, vol. 278(C).
    18. Taler, Jan & Węglowski, Bohdan & Taler, Dawid & Sobota, Tomasz & Dzierwa, Piotr & Trojan, Marcin & Madejski, Paweł & Pilarczyk, Marcin, 2015. "Determination of start-up curves for a boiler with natural circulation based on the analysis of stress distribution in critical pressure components," Energy, Elsevier, vol. 92(P1), pages 153-159.
    19. González-Gómez, P.A. & Laporte-Azcué, M. & Fernández-Torrijos, M. & Santana, D., 2022. "Design optimization and structural assessment of a header and coil steam generator for load-following solar tower plants," Renewable Energy, Elsevier, vol. 192(C), pages 456-471.
    20. Martyna Tomala & Andrzej Rusin, 2022. "Risk-Based Operation and Maintenance Planning of Steam Turbine with the Long In-Service Time," Energies, MDPI, vol. 15(14), pages 1-17, July.
    21. Lee, Chin-Hyung & Chang, Kyong-Ho, 2013. "Failure pressure of a pressurized girth-welded super duplex stainless steel pipe in reverse osmosis desalination plants," Energy, Elsevier, vol. 61(C), pages 565-574.
    22. Łukowicz, Henryk & Rusin, Andrzej, 2018. "The impact of the control method of cyclic operation on the power unit efficiency and life," Energy, Elsevier, vol. 150(C), pages 565-574.

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