Sunday, January 24, 2016: 8:00 AM-9:00 AM
Systems and Equipment
Chair:
James Freihaut, Ph.D., Pennsylvania State University
Technical Committee: 01.10 Cogeneration Systems
Sponsor: TC 8.3
CoSponsor: 06.02 District Energy
Historically, combined heat and power (CHP) design guides have focused on design and development features of major system components. Although these elements are critical to develop high-performing and reliable components, they are not of particular interest to an engineering practitioner seeking to understand and apply a CHP system to a specific application. This new ASHRAE design guide, developed by ASHRAE research (RP-1592), provides application and operational information about prime movers, heat recovery devices and thermally activated technologies; technical and economic guidance regarding CHP systems design, site screening and assessment guidance and tools; and installation, operation and maintenance advice.
1 ASHRAE's CHP Design Guide Overview: A Walk on the Thermal Side
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Richard Sweetser, Exergy Partners Corp. |
This presentation will provide an overview of the Design Guide by highlighting the essence of all twelve chapters. Practitioners with a firm understanding of successful CHP applications will understand that successful CHP is first and foremost reliable economics. This means that matching CHP electricity and thermal production with site loads is essential. Targeting addressable thermal loads then become the primary focus of CHP design. Finally, accounting for the right economic factors will result in a good CHP assessment.
2 ASHRAE’s CHP Design Guide Review: CHP Assessment eTool
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Gearoid Foley, Integrated CHP Systems Corp. |
The CHP Analysis Tool builds on an analysis engine used in assessing sites for CHP applicability during 10 years of work with the DOE and the private sector. The ASHRAE CHP Analysis Tool has been further developed as part of ASHRAE research project RP-1592 to provide an initial understanding of the CHP potential for a given site. The CHP Analysis Tool provides a consistent and tested means for assessing CHP system economic performance for building with weather dependent and process loads using monthly utility billing data. The results of the analysis are intended to be used for guidance purposes only.