| Summary: | A peak-load shaving application is implemented for a Building Energy Management System (BEMS). The IEEE1888 open protocol is adopted to facilitate interoperability capability through the TCP/IP network. The data structure is determined by the Facility Information Access Protocol (FIAP). The operation of equipped Battery Energy Storage System (BESS) is optimized from the analytical load-forecast model and also takes the power and energy ratings of the battery into consideration. The peak-load-shaving application is developed with 15-minute on-line processing. The real-world BEMS is demonstrated by a test-bed building at university. Thanks to the IEEE1888 open protocol, the common interface for the gateway, data storage, and peak-shaving application can be achieved. Experimental results are gathered from 2-week testing and the feasibility of IEEE1888-based interoperable BEMS is validated. The optimized control of a 5.76 kW/11.52 kWh BESS is examined accordingly, and up to 6.99% of peak demand is successfully deducted.
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