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Power-electronics-based energy management system with storage

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Authors
Oriti, Giovanna
Julian, Alexander L.
Peck, Nathan J.
Subjects
Energy management systems (EMS)
energy storage
peak power control
voltage source inverters (VSI).
Advisors
Date of Issue
2016-01
Date
January 2016
Publisher
Language
Abstract
This paper demonstrates the functionality of a power-electronics-based energy management system (EMS). The EMS includes batteries and a digitally controlled single-phase voltage source inverter (VSI), which can be controlled as a current source or a voltage source depending on the status of the ac grid and the user’s preference. The EMS guarantees that the critical loads are powered when the ac grid fails; in which case, the VSI is controlled as a voltage source. It also accomplishes peak power control by supplying battery power to the local loads while they are powered by the ac grid if the loads get large. The electricity cost savings accomplished by peak shaving are estimated. The EMS functionality is demonstrated by experimental measurements on a laboratory prototype. The control architecture and logic embedded in the EMS are discussed in detail.
Type
Article
Description
The article of record as published may be found at http://dx.doi.org/10.1109/TPEL.2015.2407693
Series/Report No
Department
Electrical & Computer Engineering
Other Units
Naval Postgraduate School (U.S.)
Identifiers
NPS Report Number
Sponsors
Funder
Format
Citation
G. Oriti, A.L. Julian, N.J. Peck, "Power-electronics-based energy management system with storage," IEEE Transactions on Power Electronics, v.31, no.1 (January 2016), pp. 452-460.
Distribution Statement
Rights
This publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. Copyright protection is not available for this work in the United States.
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