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Communication-based secondary control in microgrids with voltage-based droop control

Tine Vandoorn UGent, Jeroen De Kooning UGent, Bart Meersman UGent and Lieven Vandevelde UGent (2012) Transmission and Distribution Conference and Exposition.
abstract
Smart microgrids are becoming an important concept to cope with the increasing demand of electricity and to integrate the large amounts of intermittent power sources in the electrical network. Microgrids are able to operate in gridconnected and islanded mode and present themselves to the utility network as controllable entities. For the primary control of the inverter-interfaced DG units, voltage-based droop controllers have been developed. With this fully distributed controller, an optimized integration of renewable energy is obtained, by possibly increasing the penetration depth of renewable DG units and mitigating over-voltage conditions. The main reason is the usage of a constant-power band with a width dependent on the nature of the energy source. This paper investigates the usage of secondary control in a microgrid with primary voltage droops. The secondary control operates at a slower rate than the voltagebased primary control and is communication-based, opposed to the primary controller. The secondary controller regulates the voltage at pilot points in the microgrid, the voltage at the point of common coupling or the power exchange between microgrid and utility network. The set-points for secondary control can be determined based on an optimisation scheme such as for losses, power quality and economic revenue. Dependent on these setpoints, the microgrid secondary controller changes the power set-points of the DG units.
Please use this url to cite or link to this publication:
author
organization
year
type
conference
publication status
published
subject
keyword
voltage-source inverter, active power control, Microgrid, CONVERTERS, GENERATION, droop control, secondary control
in
Transmission and Distribution Conference and Exposition
issue title
2012 IEEE PES TRANSMISSION AND DISTRIBUTION CONFERENCE AND EXPOSITION (T&D)
pages
6 pages
publisher
IEEE
place of publication
Piscataway, NJ, USA
conference name
IEEE PES Transmission and Distribution Conference and Exposition
conference location
Orlando, FL, USA
conference start
2012-05-07
conference end
2012-05-10
Web of Science type
Proceedings Paper
Web of Science id
000317001100037
ISBN
9781467319355
language
English
UGent publication?
yes
classification
P1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2108937
handle
http://hdl.handle.net/1854/LU-2108937
date created
2012-05-16 15:11:21
date last changed
2013-07-04 15:37:12
@inproceedings{2108937,
  abstract     = {Smart microgrids are becoming an important concept to cope with the increasing demand of electricity and to integrate the large amounts of intermittent power sources in the electrical network. Microgrids are able to operate in gridconnected and islanded mode and present themselves to the utility network as controllable entities. For the primary control of the inverter-interfaced DG units, voltage-based droop controllers have been developed. With this fully distributed controller, an optimized integration of renewable energy is obtained, by possibly increasing the penetration depth of renewable DG units and mitigating over-voltage conditions. The main reason is the usage of a constant-power band with a width dependent on the nature of the energy source. This paper investigates the usage of secondary control in a microgrid with primary voltage droops. The secondary control operates at a slower rate than the voltagebased primary control and is communication-based, opposed to the primary controller. The secondary controller regulates the voltage at pilot points in the microgrid, the voltage at the point of common coupling or the power exchange between microgrid and utility network. The set-points for secondary control can be determined based on an optimisation scheme such as for losses, power quality and economic revenue. Dependent on these setpoints, the microgrid secondary controller changes the power set-points of the DG units.},
  author       = {Vandoorn, Tine and De Kooning, Jeroen and Meersman, Bart and Vandevelde, Lieven},
  booktitle    = {Transmission and Distribution Conference and Exposition},
  isbn         = {9781467319355},
  keyword      = {voltage-source inverter,active power control,Microgrid,CONVERTERS,GENERATION,droop control,secondary control},
  language     = {eng},
  location     = {Orlando, FL, USA},
  pages        = {6},
  publisher    = {IEEE},
  title        = {Communication-based secondary control in microgrids with voltage-based droop control},
  year         = {2012},
}

Chicago
Vandoorn, Tine, Jeroen De Kooning, Bart Meersman, and Lieven Vandevelde. 2012. “Communication-based Secondary Control in Microgrids with Voltage-based Droop Control.” In Transmission and Distribution Conference and Exposition. Piscataway, NJ, USA: IEEE.
APA
Vandoorn, T., De Kooning, J., Meersman, B., & Vandevelde, L. (2012). Communication-based secondary control in microgrids with voltage-based droop control. Transmission and Distribution Conference and Exposition. Presented at the IEEE PES Transmission and Distribution Conference and Exposition, Piscataway, NJ, USA: IEEE.
Vancouver
1.
Vandoorn T, De Kooning J, Meersman B, Vandevelde L. Communication-based secondary control in microgrids with voltage-based droop control. Transmission and Distribution Conference and Exposition. Piscataway, NJ, USA: IEEE; 2012.
MLA
Vandoorn, Tine, Jeroen De Kooning, Bart Meersman, et al. “Communication-based Secondary Control in Microgrids with Voltage-based Droop Control.” Transmission and Distribution Conference and Exposition. Piscataway, NJ, USA: IEEE, 2012. Print.