This paper presents an energy dispatch algorithm for real-time topping cycle cooling, heating, and power (CHP) operation for buildings with the objective of minimizing the operational cost, primary energy consumption (PEC), or carbon dioxide emission (CDE). The algorithm features a supervisory feed-forward control for real-time CHP operation using short-term weather forecasting. The advantages of the proposed control scheme for CHP operation are (a) relatively simple and efficient implementation allowing realistic real-time operation, (b) optimized CHP operation with respect to operational cost, PEC, or CDE, and (c) increased site-energy consumption resulting in less dependence on the electric grid. In the feed-forward portion of the control scheme, short-term electric, cooling, and heating loads are predicted using the U.S. Department of Energy benchmark small office building model. The results are encouraging regarding the potential saving of operational cost, PEC, and CDE from using the control system for a CHP system with electric and thermal energy storages.
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March 2010
Research Papers
Supervisory Feed-Forward Control for Real-Time Topping Cycle CHP Operation
Heejin Cho,
e-mail: heejin.cho@pnl.gov
Heejin Cho
Pacific Northwest National Laboratory
, 902 Battelle Boulevard, P.O. Box 999, MSIN K5-16, Richland, WA 99352
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Rogelio Luck,
Rogelio Luck
Department of Mechanical Engineering,
Mississippi State University
, P.O. Box ME, Mississippi State, MS 39762
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Louay M. Chamra
Louay M. Chamra
Department of Mechanical Engineering,
Mississippi State University
, P.O. Box ME, Mississippi State, MS 39762
Search for other works by this author on:
Heejin Cho
Pacific Northwest National Laboratory
, 902 Battelle Boulevard, P.O. Box 999, MSIN K5-16, Richland, WA 99352e-mail: heejin.cho@pnl.gov
Rogelio Luck
Department of Mechanical Engineering,
Mississippi State University
, P.O. Box ME, Mississippi State, MS 39762
Louay M. Chamra
Department of Mechanical Engineering,
Mississippi State University
, P.O. Box ME, Mississippi State, MS 39762J. Energy Resour. Technol. Mar 2010, 132(1): 012401 (12 pages)
Published Online: February 23, 2010
Article history
Received:
February 12, 2009
Revised:
October 17, 2009
Online:
February 23, 2010
Published:
February 23, 2010
Citation
Cho, H., Luck, R., and Chamra, L. M. (February 23, 2010). "Supervisory Feed-Forward Control for Real-Time Topping Cycle CHP Operation." ASME. J. Energy Resour. Technol. March 2010; 132(1): 012401. https://doi.org/10.1115/1.4000920
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