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Controllable harmonic current sharing in islanded microgrids: DG units with programmable resistive behavior towards harmonics

Tine Vandoorn UGent, Bart Meersman UGent, Jeroen De Kooning UGent and Lieven Vandevelde UGent (2012) IEEE TRANSACTIONS ON POWER DELIVERY. 27(2). p.831-841
abstract
In order to obtain a coordinated approach to integrate the increasing presence of distributed generation (DG) units in the electric power system, the microgrid concept has been introduced. As most DG units use a converter as interface with the grid, new control strategies for these converters are being developed. For the islanded mode of the microgrid, with the voltage-based droop control strategy, active and reactive power balancing and sharing between multiple DG units are achieved. This method makes it also easy to delay changing the output power of the renewable DG units compared to that of the dispatchable DG units without communication. However, to deal with harmonic and nonlinear loads, the power control strategies in general, with the voltage-based control strategy as specific example, need to be modified. Otherwise, the DG units form short-circuits for harmonic currents. Therefore, in this paper, the shunt harmonic impedance method for harmonic damping in the grid-connected mode is adapted for application in islanded microgrids. The voltage-based droop control strategy of the DG units is extended with programmable resistive behavior towards harmonics. In this way, harmonic current sharing between DG units can be achieved in a controllable manner, e.g., according to the ratings of the units.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
DISTRIBUTION-SYSTEM, CONTROL STRATEGY, SHUNT ACTIVE-FILTER, PARALLEL CONNECTED CONVERTERS, DISTRIBUTED-GENERATION INVERTERS, AUTONOMOUS OPERATION, POWER-GENERATION, IMPEDANCE, COMPENSATION, RESISTANCE, Distributed generation, droop control, harmonic current sharing, microgrid, shunt harmonic impedance
journal title
IEEE TRANSACTIONS ON POWER DELIVERY
IEEE Trans. Power Deliv.
volume
27
issue
2
pages
831 - 841
Web of Science type
Article
Web of Science id
000302503900045
JCR category
ENGINEERING, ELECTRICAL & ELECTRONIC
JCR impact factor
1.519 (2012)
JCR rank
83/242 (2012)
JCR quartile
2 (2012)
ISSN
0885-8977
DOI
10.1109/TPWRD.2011.2176756
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
1964892
handle
http://hdl.handle.net/1854/LU-1964892
date created
2011-12-12 11:10:33
date last changed
2012-10-29 10:28:14
@article{1964892,
  abstract     = {In order to obtain a coordinated approach to integrate the increasing presence of distributed generation (DG) units in the electric power system, the microgrid concept has been introduced. As most DG units use a converter as interface with the grid, new control strategies for these converters are being developed. For the islanded mode of the microgrid, with the voltage-based droop control strategy, active and reactive power balancing and sharing between multiple DG units are achieved. This method makes it also easy to delay changing the output power of the renewable DG units compared to that of the dispatchable DG units without communication. However, to deal with harmonic and nonlinear loads, the power control strategies in general, with the voltage-based control strategy as specific example, need to be modified. Otherwise, the DG units form short-circuits for harmonic currents. Therefore, in this paper, the shunt harmonic impedance method for harmonic damping in the grid-connected mode is adapted for application in islanded microgrids. The voltage-based droop control strategy of the DG units is extended with programmable resistive behavior towards harmonics. In this way, harmonic current sharing between DG units can be achieved in a controllable manner, e.g., according to the ratings of the units.},
  author       = {Vandoorn, Tine and Meersman, Bart and De Kooning, Jeroen and Vandevelde, Lieven},
  issn         = {0885-8977},
  journal      = {IEEE TRANSACTIONS ON POWER DELIVERY},
  keyword      = {DISTRIBUTION-SYSTEM,CONTROL STRATEGY,SHUNT ACTIVE-FILTER,PARALLEL CONNECTED CONVERTERS,DISTRIBUTED-GENERATION INVERTERS,AUTONOMOUS OPERATION,POWER-GENERATION,IMPEDANCE,COMPENSATION,RESISTANCE,Distributed generation,droop control,harmonic current sharing,microgrid,shunt harmonic impedance},
  language     = {eng},
  number       = {2},
  pages        = {831--841},
  title        = {Controllable harmonic current sharing in islanded microgrids: DG units with programmable resistive behavior towards harmonics},
  url          = {http://dx.doi.org/10.1109/TPWRD.2011.2176756},
  volume       = {27},
  year         = {2012},
}

Chicago
Vandoorn, Tine, Bart Meersman, Jeroen De Kooning, and Lieven Vandevelde. 2012. “Controllable Harmonic Current Sharing in Islanded Microgrids: DG Units with Programmable Resistive Behavior Towards Harmonics.” Ieee Transactions on Power Delivery 27 (2): 831–841.
APA
Vandoorn, T., Meersman, B., De Kooning, J., & Vandevelde, L. (2012). Controllable harmonic current sharing in islanded microgrids: DG units with programmable resistive behavior towards harmonics. IEEE TRANSACTIONS ON POWER DELIVERY, 27(2), 831–841.
Vancouver
1.
Vandoorn T, Meersman B, De Kooning J, Vandevelde L. Controllable harmonic current sharing in islanded microgrids: DG units with programmable resistive behavior towards harmonics. IEEE TRANSACTIONS ON POWER DELIVERY. 2012;27(2):831–41.
MLA
Vandoorn, Tine, Bart Meersman, Jeroen De Kooning, et al. “Controllable Harmonic Current Sharing in Islanded Microgrids: DG Units with Programmable Resistive Behavior Towards Harmonics.” IEEE TRANSACTIONS ON POWER DELIVERY 27.2 (2012): 831–841. Print.