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Open AccessArticle

Generation Units Maintenance in Combined Heat and Power Integrated Systems Using the Mixed Integer Quadratic Programming Approach

1
Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz 5166616471, Iran
2
Institute of Research and Development, Duy Tan University, Da Nang 550000, Vietnam
3
Ingneium Research Group, University of Castilla-La Mancha, 13071 Ciudad Real, Spain
*
Authors to whom correspondence should be addressed.
Energies 2020, 13(11), 2840; https://doi.org/10.3390/en13112840
Received: 9 May 2020 / Revised: 23 May 2020 / Accepted: 31 May 2020 / Published: 3 June 2020
(This article belongs to the Special Issue Advances in Maintenance Management)
Yearly generation maintenance scheduling (GMS) of generation units is important in each system such as combined heat and power (CHP)-based systems to decrease sudden failures and premature degradation of units. Imposing repair costs and reliability deterioration of system are the consequences of ignoring the GMS program. In this regard, this research accomplishes GMS inside CHP-based systems in order to determine the optimal intervals for predetermined maintenance required duration of CHPs and other units. In this paper, cost minimization is targeted, and violation of units’ technical constraints like feasible operation region of CHPs and power/heat demand balances are avoided by considering related constraints. Demand-response-based short-term generation scheduling is accomplished in this paper considering the maintenance intervals obtained in the long-term plan. Numerical simulation is performed and discussed in detail to evaluate the application of the suggested mixed-integer quadratic programming model that implemented in the General Algebraic Modeling System software package for optimization. Numerical simulation is performed to justify the model effectiveness. The results reveal that long-term maintenance scheduling considerably impacts short-term generation scheduling and total operation cost. Additionally, it is found that the demand response is effective from the cost perspective and changes the generation schedule. View Full-Text
Keywords: CHP-based systems; combined heat and power (CHP); generation maintenance scheduling (GMS); maintenance scheduling; feasible operation region (FOR) of CHP; demand response (DR) CHP-based systems; combined heat and power (CHP); generation maintenance scheduling (GMS); maintenance scheduling; feasible operation region (FOR) of CHP; demand response (DR)
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Sadeghian, O.; Moradzadeh, A.; Mohammadi-Ivatloo, B.; Abapour, M.; Garcia Marquez, F.P. Generation Units Maintenance in Combined Heat and Power Integrated Systems Using the Mixed Integer Quadratic Programming Approach. Energies 2020, 13, 2840.

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