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Sizing Combined Heat and Power Units and Domestic Building Energy Cost Optimisation

Author

Listed:
  • Dongmin Yu

    (Department of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China)

  • Yuanzhu Meng

    (Department of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China)

  • Gangui Yan

    (Department of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China)

  • Gang Mu

    (Department of Electrical Engineering, Northeast Electric Power University, Jilin 132012, China)

  • Dezhi Li

    (China Electric Power Research Institute, Beijing 100192, China)

  • Simon Le Blond

    (Department of Electronic and Electrical Engineering, University of Bath, Bath BA2 7AY, UK)

Abstract

Many combined heat and power (CHP) units have been installed in domestic buildings to increase energy efficiency and reduce energy costs. However, inappropriate sizing of a CHP may actually increase energy costs and reduce energy efficiency. Moreover, the high manufacturing cost of batteries makes batteries less affordable. Therefore, this paper will attempt to size the capacity of CHP and optimise daily energy costs for a domestic building with only CHP installed. In this paper, electricity and heat loads are firstly used as sizing criteria in finding the best capacities of different types of CHP with the help of the maximum rectangle (MR) method. Subsequently, the genetic algorithm (GA) will be used to optimise the daily energy costs of the different cases. Then, heat and electricity loads are jointly considered for sizing different types of CHP and for optimising the daily energy costs through the GA method. The optimisation results show that the GA sizing method gives a higher average daily energy cost saving, which is 13% reduction compared to a building without installing CHP. However, to achieve this, there will be about 3% energy efficiency reduction and 7% input power to rated power ratio reduction compared to using the MR method and heat demand in sizing CHP.

Suggested Citation

  • Dongmin Yu & Yuanzhu Meng & Gangui Yan & Gang Mu & Dezhi Li & Simon Le Blond, 2017. "Sizing Combined Heat and Power Units and Domestic Building Energy Cost Optimisation," Energies, MDPI, vol. 10(6), pages 1-17, June.
    • Handle: RePEc:gam:jeners:v:10:y:2017:i:6:p:771-:d:100202
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    References listed on IDEAS

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    1. Haeseldonckx, Dries & Peeters, Leen & Helsen, Lieve & D'haeseleer, William, 2007. "The impact of thermal storage on the operational behaviour of residential CHP facilities and the overall CO2 emissions," Renewable and Sustainable Energy Reviews, Elsevier, vol. 11(6), pages 1227-1243, August.
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    Cited by:

    1. Ali Sulaiman Alsagri & Abdulrahman A. Alrobaian, 2022. "Optimization of Combined Heat and Power Systems by Meta-Heuristic Algorithms: An Overview," Energies, MDPI, vol. 15(16), pages 1-34, August.
    2. Fahad Awjah Almehmadi & Kevin P. Hallinan & Rydge B. Mulford & Saeed A. Alqaed, 2020. "Technology to Address Food Deserts: Low Energy Corner Store Groceries with Integrated Agriculture Greenhouse," Sustainability, MDPI, vol. 12(18), pages 1-22, September.
    3. Yanbo Che & Jinhuan Zhou & Tingjun Lin & Wenxun Li & Jianmei Xu, 2018. "A Simplified Control Method for Tie-Line Power of DC Micro-Grid," Energies, MDPI, vol. 11(4), pages 1-13, April.
    4. Jordi Renau & Víctor García & Luis Domenech & Pedro Verdejo & Antonio Real & Alberto Giménez & Fernando Sánchez & Antonio Lozano & Félix Barreras, 2021. "Novel Use of Green Hydrogen Fuel Cell-Based Combined Heat and Power Systems to Reduce Primary Energy Intake and Greenhouse Emissions in the Building Sector," Sustainability, MDPI, vol. 13(4), pages 1-19, February.
    5. Marina Montero Carrero & Irene Rodríguez Sánchez & Ward De Paepe & Alessandro Parente & Francesco Contino, 2019. "Is There a Future for Small-Scale Cogeneration in Europe? Economic and Policy Analysis of the Internal Combustion Engine, Micro Gas Turbine and Micro Humid Air Turbine Cycles," Energies, MDPI, vol. 12(3), pages 1-27, January.
    6. Khuram Pervez Amber & Antony R. Day & Naeem Iqbal Ratyal & Rizwan Ahmad & Muhammad Amar, 2018. "The Significance of a Building’s Energy Consumption Profiles for the Optimum Sizing of a Combined Heat and Power (CHP) System—A Case Study for a Student Residence Hall," Sustainability, MDPI, vol. 10(6), pages 1-16, June.

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