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The impact of the control method of cyclic operation on the power unit efficiency and life

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  • Łukowicz, Henryk
  • Rusin, Andrzej

Abstract

The increasing share of renewable energy sources in the overall energy mix forces a change in the character of operation of coal-fired power units. Their task is now to balance the system under variable loads and they have to change from base-to cyclic-load operation. However, cyclic-load conditions involve a decrease in the power unit efficiency and shorten the life of components due to a rise in low cycle fatigue.

Suggested Citation

  • 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.
    • Handle: RePEc:eee:energy:v:150:y:2018:i:c:p:565-574
    DOI: 10.1016/j.energy.2018.02.136
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    References listed on IDEAS

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    1. 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.
    2. 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.
    3. Keatley, P. & Shibli, A. & Hewitt, N.J., 2013. "Estimating power plant start costs in cyclic operation," Applied Energy, Elsevier, vol. 111(C), pages 550-557.
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    Citations

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    Cited by:

    1. Taler, Jan & Dzierwa, Piotr & Jaremkiewicz, Magdalena & Taler, Dawid & Kaczmarski, Karol & Trojan, Marcin & Sobota, Tomasz, 2019. "Thermal stress monitoring in thick walled pressure components of steam boilers," Energy, Elsevier, vol. 175(C), pages 645-666.
    2. Yu, Jianxi & Liu, Pei & Li, Zheng, 2020. "Hybrid modelling and digital twin development of a steam turbine control stage for online performance monitoring," Renewable and Sustainable Energy Reviews, Elsevier, vol. 133(C).
    3. 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.
    4. 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.
    5. 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.
    6. Hiyam Farhat & Coriolano Salvini, 2022. "Novel Gas Turbine Challenges to Support the Clean Energy Transition," Energies, MDPI, vol. 15(15), pages 1-17, July.
    7. Nowak, Grzegorz & Rusin, Andrzej & Łukowicz, Henryk & Tomala, Martyna, 2020. "Improving the power unit operation flexibility by the turbine start-up optimization," Energy, Elsevier, vol. 198(C).
    8. Rusin, Andrzej & Nowak, Grzegorz & Łukowicz, Henryk & Kosman, Wojciech & Chmielniak, Tadeusz & Kaczorowski, Maciej, 2021. "Selecting optimal conditions for the turbine warm and hot start-up," Energy, Elsevier, vol. 214(C).

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