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Integration of distributed generation systems into generic types of commercial buildings in California

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Issue date
2008
Author
Medrano Martorell, Marc
Brouwer, Jack
McDonell, Vince
Mauzey, Josh
Samuelsen, G. Scott
Suggested citation
Medrano Martorell, Marc; Brouwer, Jack; McDonell, Vince; Mauzey, Josh; Samuelsen, G. Scott; . (2008) . Integration of distributed generation systems into generic types of commercial buildings in California. Energy and Buildings, 2008, vol. 40, núm. 4, p. 537-548. https://doi.org/10.1016/j.enbuild.2007.04.005.
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Abstract
Distributed generation (DG) of combined cooling, heat, and power (CCHP) has been gaining momentum in recent years as an efficient, secure alternative for meeting increasing power demands in the world. One of the most critical and emerging markets for DG-CCHP systems is commercial and institutional buildings. The present study focuses analysis on the main economic, energy-efficiency, and environmental impacts of the integration of three types of advanced DG technologies (high-temperature fuel cells, micro-turbines, and photovoltaic solar panels) into four types of representative generic commercial building templates (small office building, medium office building, hospital, and college/school) in southern California (e.g., mild climate), using eQUEST as energy simulation tool. Detailed load profiles for the four commercial building types during times of peak electric and peak gas consumption were analyzed and complementary strategies to further increase overall building energy efficiencies such as energy efficiency measures (e.g., day lighting, exterior shading, improved HVAC performance) and thermally activated absorption cooling were also investigated. Results show that the high-temperature fuel cell (HTFC) performance is best matched with the hospital energy loads, resulting in a 98% DG capacity factor, 85% DG heat recovery factor, and $860,000 in energy savings (6 years payback). The introduction of thermally driven double-effect absorption cooling (AC) in the college building with HTFC reduces significantly the building electricity-to-thermal load ratio and boosts the heat recovery factor from 37% to 97%.
URI
http://hdl.handle.net/10459.1/57262
DOI
https://doi.org/10.1016/j.enbuild.2007.04.005
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Energy and Buildings, 2008, vol. 40, núm. 4, p. 537-548
European research projects
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  • Articles publicats (Informàtica i Enginyeria Industrial) [771]

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    Distributed generation (DG) is generally defined as the operation of many small stationary power generators throughout an urban air basin. Although DG has the potential to supply a significant portion of the increased ...
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    The implementation of Distributed Generation (DG) may lead to increased pollutant emissions that adversely affect air quality. This work presents a systematic methodology to characterise DG installation in urban basins. ...
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    Medrano Martorell, Marc; Mauzey, Josh; McDonell, Vince; Samuelsen, G. Scott; Boer, Dieter (International Centre for Applied Thermodynamics, 2006)
    Integrated Energy Systems (IES) combine a distributed power generation system (DG) such as a microturbine generator (MTG) or a fuel cell with thermally activated technologies (TAT) such as absorption cooling. This integration ...

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