A Control Architecture to Coordinate Renewable Energy Sources and Energy Storage Systems in Islanded Microgrids

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Abstract

Coordinated operation of microgrids requires that energy management system takes into account both the available power in renewable energy sources (RES) and storage capacity of energy storage systems (ESS). In this paper, a coordinated architecture of islanded AC microgrids with smooth switching droop control (SSDC) is derived. Based on the proposed SSDC approach, flexible power control of each ESS/RES unit can be obtained with seamless modes changes. Furthermore, decentralized power management can be achieved by executing frequency bus-signaling (FBS). The power management principle based on different operational modes is explained in details, and small-signal analysis is carried out for SSDC. Real-time hardware-in-the-loop (HiL) results of an islanded microgrid are provided under several scenarios to validate the proposed coordinated control strategy.
Original languageEnglish
Article number6991590
JournalI E E E Transactions on Smart Grid
Volume6
Issue number3
Pages (from-to)1156-1166
Number of pages11
ISSN1949-3053
DOIs
Publication statusPublished - 1 May 2015

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Energy storage
Energy management systems
Signal analysis
Power control
Hardware
Power management

Cite this

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title = "A Control Architecture to Coordinate Renewable Energy Sources and Energy Storage Systems in Islanded Microgrids",
abstract = "Coordinated operation of microgrids requires that energy management system takes into account both the available power in renewable energy sources (RES) and storage capacity of energy storage systems (ESS). In this paper, a coordinated architecture of islanded AC microgrids with smooth switching droop control (SSDC) is derived. Based on the proposed SSDC approach, flexible power control of each ESS/RES unit can be obtained with seamless modes changes. Furthermore, decentralized power management can be achieved by executing frequency bus-signaling (FBS). The power management principle based on different operational modes is explained in details, and small-signal analysis is carried out for SSDC. Real-time hardware-in-the-loop (HiL) results of an islanded microgrid are provided under several scenarios to validate the proposed coordinated control strategy.",
keywords = "Coordinated operation, frequency bus-signaling (FBS), microgrids, smooth switching droop control (SSDC)",
author = "Dan Wu and Fen Tang and Tomislav Dragicevic and Vasquez, {Juan C.} and Guerrero, {Josep M.}",
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A Control Architecture to Coordinate Renewable Energy Sources and Energy Storage Systems in Islanded Microgrids. / Wu, Dan; Tang, Fen; Dragicevic, Tomislav; Vasquez, Juan C.; Guerrero, Josep M.

In: I E E E Transactions on Smart Grid, Vol. 6, No. 3, 6991590, 01.05.2015, p. 1156-1166.

Research output: Contribution to journalJournal articleResearchpeer-review

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T1 - A Control Architecture to Coordinate Renewable Energy Sources and Energy Storage Systems in Islanded Microgrids

AU - Wu, Dan

AU - Tang, Fen

AU - Dragicevic, Tomislav

AU - Vasquez, Juan C.

AU - Guerrero, Josep M.

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AB - Coordinated operation of microgrids requires that energy management system takes into account both the available power in renewable energy sources (RES) and storage capacity of energy storage systems (ESS). In this paper, a coordinated architecture of islanded AC microgrids with smooth switching droop control (SSDC) is derived. Based on the proposed SSDC approach, flexible power control of each ESS/RES unit can be obtained with seamless modes changes. Furthermore, decentralized power management can be achieved by executing frequency bus-signaling (FBS). The power management principle based on different operational modes is explained in details, and small-signal analysis is carried out for SSDC. Real-time hardware-in-the-loop (HiL) results of an islanded microgrid are provided under several scenarios to validate the proposed coordinated control strategy.

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