Development of energy management strategies for automated real-time pricing: Control system enhancements for thermal energy storage (TES) and modulating building loads. Final report
Technical Report
·
OSTI ID:257400
- Honeywell, Inc., Minneapolis, MN (United States). Technology Center
Many prominent electric utilities throughout the US are currently investigating real-time pricing rate structures (RTP) as a means of giving their large customers an economic incentive to reduce their electricity usage during periods when the utility`s cost of providing power is high. This report summarizes the results of an engineering study of the technical approach and potential benefits to utilities, commercial customers, and entire communities of RTP. One objective of the report is to enhance the existing automated RTP-based supervisory controller, enabling automated control of many additional building loads. Another is to demonstrate the process at RTP customer sites in each sponsoring utility`s service territory. The study included the development of a conceptual design ad the technical and economic assessment of a candidate field site--the San Francisco Marriott Hotel. This program was the first phase of a multiple-phase program to develop, install, and monitor a system at the selected field site. The three phase program is comprised of: the Phase 1 engineering study; a Phase 2 control system development; and a Phase 3 field test evaluation. The investigation resulted in the following key conclusions: linear programming is a good tool for optimizing the scheduling of thermal storage charge and discharge; thermal storage can be optimized in a generic fashion that will apply to approximately 90% of the thermal storage systems built today; thermal storage inventory sensing is a critical enabling technology. The report recommends that the technology be implemented through development and installation at the San Francisco Marriott. This proposed development will not only increase the advantages of real-time pricing but also will serve as a first step toward system-wide optimization in commercial building controls.
- Research Organization:
- Electric Power Research Inst., Palo Alto, CA (United States); Honeywell, Inc., Minneapolis, MN (United States). Technology Center
- Sponsoring Organization:
- Electric Power Research Inst., Palo Alto, CA (United States)
- OSTI ID:
- 257400
- Report Number(s):
- EPRI-TR--105501
- Country of Publication:
- United States
- Language:
- English
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