NDLI: Microgrid wireless energy management with energy storage system

Content Provider	IEEE Xplore Digital Library
Author	Oureilidis, K.O. Demoulias, C.S.
Copyright Year	2012
Description	Author affiliation: Electrical Machines Laboratory, Department of Electrical and Computer Engineering, Aristotle University, Thessaloniki, 54124 Greece (Oureilidis, K.O.; Demoulias, C.S.)
Abstract	The penetration of renewable energy sources in small-scale power production gives the opportunity parts of the grid to work as microgrids. The microgrid should be able to work both in grid-connected and island mode, while its voltage and frequency deviations follow the EN 50160 standard. The use of energy storage system is generally recommended in order to absorb the mismatches between the demand and the generation side and to preserve the quality of the microgrid voltage. While the up to day research is mainly concentrated on energy management based on communication, this paper proposes a wireless method for keeping the voltage and the frequency within the limits, using a battery as an energy storage system (ESS). An analytical expression for calculating the battery capacity is also proposed. The active and reactive power sharing among the parallel resources is achieved using the droop control method and an algorithm proportional to droop characteristic and the rated apparent power of each resource. According to the values of frequency and voltage and the State of Charge (SoC), the battery is connected in the microgrid, working in charging or discharging mode. A microgrid consisting of two inverter-interfaced power resources, a battery and a constant power load is investigated. Simulation results demonstrate that the proposed wireless control method provides the load with a high quality voltage in both grid-connected and islanded mode under several load scenarios.
Starting Page	1
Ending Page	6
File Size	805816
Page Count	6
File Format	PDF
ISBN	9781467328548
e-ISBN	9781467328562
e-ISBN	9781467328555
DOI	10.1109/UPEC.2012.6398684
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-09-04
Publisher Place	United Kingdom
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reactive power distributed generation droop control microgrid State of Charge (SoC) Inverters Batteries System-on-a-chip Mathematical model Voltage control
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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