IDEAS home Printed from https://ideas.repec.org/a/gam/jeners/v15y2022i16p5969-d890928.html
   My bibliography  Save this article

Water Losses in the Condenser Cooling System at the 905 MWe Power Unit

Author

Listed:
  • Janusz Pospolita

    (Faculty of Mechanical Engineering, Opole University of Technology, 45-758 Opole, Poland)

  • Anna Kuczuk

    (Faculty of Mechanical Engineering, Opole University of Technology, 45-758 Opole, Poland)

  • Katarzyna Widera

    (Faculty of Economics and Management, Opole University of Technology, 45-758 Opole, Poland)

  • Zbigniew Buryn

    (Faculty of Production Engineering and Logistics, Opole University of Technology, 45-758 Opole, Poland)

  • Robert Cholewa

    (“Energopomiar” Sp. z o.o., 44-100 Gliwice, Poland)

  • Andrzej Drajczyk

    (“Energopomiar” Sp. z o.o., 44-100 Gliwice, Poland)

  • Mirosław Pietrucha

    (Polska Grupa Energetyczna Górnictwo i Energetyka Konwencjonalna S.A., Opole Power Plant, 46-021 Opola, Poland)

  • Rafał Smejda

    (Polska Grupa Energetyczna Górnictwo i Energetyka Konwencjonalna S.A., Opole Power Plant, 46-021 Opola, Poland)

Abstract

The paper focuses on water losses in the turbine condenser cooling system of the 905 MW power unit in Opole Power Plant (Opole Poland). The evaporative and drift losses are determined for various operating and atmospheric conditions. The drift loss is found to be 0.125–0.375% of the cooling water flux and some increase in this loss is noticed with increase in unit power and ambient temperature. The studies have shown that the presence of wind increases the total water loss related to the power generated by the power unit. This effect is analysed for selected constant air temperature values T amb. The increase of the cooling water loss stream, related to the power of the unit, is at the level of 14.8% for T amb equal to 7 °C, 23% for 15 °C, and approximately 10% at 22 °C. These increases are related to the level of losses in almost no wind conditions. It is investigated how the change in the cooling water flux affects the power unit operation and the amount of water loss. For the power unit under consideration, the reduction of the cooling water flux from 80,000 to 60,000 ton/h raises the temperature of water behind the condenser and lowers the temperature of the cooled water t w 2 within the range of 0.75–1.5 °C, depending on the unit power and the ambient temperature. Reducing the cooling water flux in the analysed range results in an increase in condenser vapour pressure, within 0.5 kPa at T amb = 25 °C. This increase is lower at lower ambient temperatures. Within the range of variations analysed, the effect of cooling water flux on evaporative losses is negligibly small. The increase in condenser steam pressure significantly affects the power generated by the turbine generator unit. The calculations show that it is possible to optimize the size of the cooling water flux for the analysed power unit and condenser cooling system. This optimization would allow (within a limited range of load variability) an increase in the net power generated by the power unit.

Suggested Citation

  • Janusz Pospolita & Anna Kuczuk & Katarzyna Widera & Zbigniew Buryn & Robert Cholewa & Andrzej Drajczyk & Mirosław Pietrucha & Rafał Smejda, 2022. "Water Losses in the Condenser Cooling System at the 905 MWe Power Unit," Energies, MDPI, vol. 15(16), pages 1-25, August.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5969-:d:890928
    as

    Download full text from publisher

    File URL: https://www.mdpi.com/1996-1073/15/16/5969/pdf
    Download Restriction: no
    File URL: https://www.mdpi.com/1996-1073/15/16/5969/
    Download Restriction: no
    ---><---

    References listed on IDEAS

    as
    1. Clemente García Cutillas & Javier Ruiz Ramírez & Manuel Lucas Miralles, 2017. "Optimum Design and Operation of an HVAC Cooling Tower for Energy and Water Conservation," Energies, MDPI, vol. 10(3), pages 1-27, March.
    2. Zbigniew Buryn & Anna Kuczuk & Janusz Pospolita & Rafał Smejda & Katarzyna Widera, 2021. "Impact of Weather Conditions on the Operation of Power Unit Cooling Towers 905 MWe," Energies, MDPI, vol. 14(19), pages 1-19, October.
    3. George W. Divine & H. James Norton & Anna E. Barón & Elizabeth Juarez-Colunga, 2018. "The Wilcoxon–Mann–Whitney Procedure Fails as a Test of Medians," The American Statistician, Taylor & Francis Journals, vol. 72(3), pages 278-286, July.
    4. Wei Yuan & Fengzhong Sun & Ruqing Liu & Xuehong Chen & Ying Li, 2020. "The Effect of Air Parameters on the Evaporation Loss in a Natural Draft Counter-Flow Wet Cooling Tower," Energies, MDPI, vol. 13(23), pages 1-16, November.
    Full references (including those not matched with items on IDEAS)

    Citations

    Citations are extracted by the CitEc Project, subscribe to its RSS feed for this item.
    as


    Cited by:

    1. Jun Liu & Yuyan Zhou & Lihua Chen & Lichuan Wang, 2023. "Assessing the Impact of Climate Change on Water Usage in Typical Industrial Enterprises," Sustainability, MDPI, vol. 15(13), pages 1-18, June.

    Most related items

    These are the items that most often cite the same works as this one and are cited by the same works as this one.
    1. Zbigniew Buryn & Anna Kuczuk & Janusz Pospolita & Rafał Smejda & Katarzyna Widera, 2021. "Impact of Weather Conditions on the Operation of Power Unit Cooling Towers 905 MWe," Energies, MDPI, vol. 14(19), pages 1-19, October.
    2. Jiannan Lu & Yunshu Zhang & Peng Ding, 2020. "Sharp bounds on the relative treatment effect for ordinal outcomes," Biometrics, The International Biometric Society, vol. 76(2), pages 664-669, June.
    3. Awais Shah & Deqing Huang & Yixing Chen & Xin Kang & Na Qin, 2017. "Robust Sliding Mode Control of Air Handling Unit for Energy Efficiency Enhancement," Energies, MDPI, vol. 10(11), pages 1-21, November.
    4. Wei Yuan & Fengzhong Sun & Ruqing Liu & Xuehong Chen & Ying Li, 2020. "The Effect of Air Parameters on the Evaporation Loss in a Natural Draft Counter-Flow Wet Cooling Tower," Energies, MDPI, vol. 13(23), pages 1-16, November.
    5. Swapnil S. Shinde & Nitin P. Gulhane & Jan Taler & Paweł Ocłoń & Dawid Taler & Roberto de Lieto Vollaro, 2023. "Analysis of the Effect of Packing Materials (Fills) and Flow Rate on the Range and Efficiency of a Forced Draft Evaporative Cooling Tower," Energies, MDPI, vol. 16(14), pages 1-15, July.
    6. Carlos Alós-Ferrer & Georg D. Granic, 2023. "Does choice change preferences? An incentivized test of the mere choice effect," Experimental Economics, Springer;Economic Science Association, vol. 26(3), pages 499-521, July.
    7. Barth, Florian & Schüppler, Simon & Menberg, Kathrin & Blum, Philipp, 2023. "Estimating cooling capacities from aerial images using convolutional neural networks," Applied Energy, Elsevier, vol. 349(C).
    8. Hao, Guochen & Han, Kewu & Shi, Kebin, 2023. "Effect of floating balls on evaporation inhibition, surface energy balance and biological water quality parameters at different coverage fractions," Agricultural Water Management, Elsevier, vol. 287(C).
    9. Altaf Hussain Rajpar & Imran Ali & Ahmad E. Eladwi & Mohamed Bashir Ali Bashir, 2021. "Recent Development in the Design of Wind Deflectors for Vertical Axis Wind Turbine: A Review," Energies, MDPI, vol. 14(16), pages 1-23, August.
    10. Toru Yamamoto & Hirofumi Hayama & Takao Hayashi, 2020. "Formulation of Coefficient of Performance Characteristics of Water-cooled Chillers and Evaluation of Composite COP for Combined Chillers," Energies, MDPI, vol. 13(5), pages 1-20, March.
    11. Awais Shah & Deqing Huang & Tianpeng Huang & Umar Farid, 2018. "Optimization of BuildingsEnergy Consumption by Designing Sliding Mode Control for Multizone VAV Air Conditioning Systems," Energies, MDPI, vol. 11(11), pages 1-18, October.
    12. Whei-Min Lin & Chung-Yuen Yang & Ming-Tang Tsai & Hong-Jey Gow, 2019. "The Optimized Energy Saving of a Refrigerating Chamber," Energies, MDPI, vol. 12(10), pages 1-16, May.
    13. Belzunce, Félix & Martínez-Riquelme, Carolina, 2023. "A new stochastic dominance criterion for dependent random variables with applications," Insurance: Mathematics and Economics, Elsevier, vol. 108(C), pages 165-176.

    Corrections

    All material on this site has been provided by the respective publishers and authors. You can help correct errors and omissions. When requesting a correction, please mention this item's handle: RePEc:gam:jeners:v:15:y:2022:i:16:p:5969-:d:890928. See general information about how to correct material in RePEc.

    If you have authored this item and are not yet registered with RePEc, we encourage you to do it here. This allows to link your profile to this item. It also allows you to accept potential citations to this item that we are uncertain about.

    If CitEc recognized a bibliographic reference but did not link an item in RePEc to it, you can help with this form .

    If you know of missing items citing this one, you can help us creating those links by adding the relevant references in the same way as above, for each refering item. If you are a registered author of this item, you may also want to check the "citations" tab in your RePEc Author Service profile, as there may be some citations waiting for confirmation.

    For technical questions regarding this item, or to correct its authors, title, abstract, bibliographic or download information, contact: MDPI Indexing Manager (email available below). General contact details of provider: https://www.mdpi.com .

    Please note that corrections may take a couple of weeks to filter through the various RePEc services.

    IDEAS is a RePEc service. RePEc uses bibliographic data supplied by the respective publishers.