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Open AccessArticle

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

1
Department of Mechanical Engineering, Mirpur University of Science and Technology (MUST), Mirpur 10250 (AJK), Pakistan
2
Faculty of Engineering, Science and the Built Environment, London South Bank University, 103 Borough Road, London SE1 OAA, UK
3
Department of Electrical Engineering, Mirpur University of Science and Technology (MUST), Mirpur 10250 (AJK), Pakistan
4
School of Electrical Engineering and Computer Science, National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
*
Author to whom correspondence should be addressed.
Sustainability 2018, 10(6), 2069; https://doi.org/10.3390/su10062069
Received: 28 May 2018 / Revised: 11 June 2018 / Accepted: 16 June 2018 / Published: 19 June 2018
University buildings, such as student residence halls with year-round consistent energy demands, offer strong opportunities for Combined Heat and Power (CHP) systems. The economic and environmental feasibility of a CHP project is strongly linked with its optimum sizing. This study aims to undertake such an assessment for a CHP system for a student residence hall located in London, the United Kingdom (UK). The study also aims to undertake a sensitivity analysis to investigate the effect of different parameters on the project’s economics. Necessary data are collected via interviews with the University’s Energy Manager. Modeling of the CHP system is performed using the London South Bank University (LSBU, London, the UK) CHP model. Results demonstrate that optimum sizing of CHP is crucial for achieving higher economic and environmental benefits and strongly depends on the authenticity of the energy consumption data, based on which the CHP is being sized. Use of incorrect energy data could result in an undersized or oversized CHP system, where an oversized system will result in higher negative results compared to an undersized system. Finally, Monto Carlo statistical analysis shows that electricity price is the significant factor that could affect the project’s economics. With an increasing spark gap, the payback period decreases, and vice versa. View Full-Text
Keywords: Combined Heat and Power; CHP; student residence hall; optimum sizing; economic feasibility Combined Heat and Power; CHP; student residence hall; optimum sizing; economic feasibility
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MDPI and ACS Style

Amber, K.P.; Day, A.R.; Ratyal, N.I.; Ahmad, R.; Amar, M. 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 2018, 10, 2069. https://doi.org/10.3390/su10062069

AMA Style

Amber KP, Day AR, Ratyal NI, Ahmad R, Amar M. 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. 2018; 10(6):2069. https://doi.org/10.3390/su10062069

Chicago/Turabian Style

Amber, Khuram P.; Day, Antony R.; Ratyal, Naeem I.; Ahmad, Rizwan; Amar, Muhammad. 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 10, no. 6: 2069. https://doi.org/10.3390/su10062069

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