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Automatic power sharing modification of P/V droop controllers in low-voltage resistive microgrids

Tine Vandoorn UGent, Bart Meersman UGent, Jeroen De Kooning UGent, Josep Guerrero and Lieven Vandevelde UGent (2012) IEEE TRANSACTIONS ON POWER DELIVERY. 27(4). p.2318-2325
abstract
Microgrids are receiving an increasing interest to integrate the growing share of distributed generation (DG) units in the electrical network. For the islanded operation of the microgrid, several control strategies for the primary control have been developed to ensure a stable microgrid operation. In lowvoltage microgrids, active power/voltage (P/V ) droop controllers are gaining attention as they take into account the resistive nature of the network lines and the lack of directly-coupled rotating inertia. However, a problem often cited with these droop controllers is that the grid voltage is not a global parameter. This can influence the power sharing between different units. In this paper, it is investigated whether this is actually a disadvantage of the control strategy. It is shown that with P/V droop control, the DG units that are located electrically far from the load centres automatically deliver a lower share of the power. This automatic power sharing modification can lead to decreased line losses, thus, an overall better efficiency compared to the methods that focus on perfect power sharing. In this paper, the P/V and P/f droop control strategies are compared with respect to this power sharing modification and the line losses.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
CONTROL STRATEGY, SUPPLY-SYSTEMS, PARALLEL INVERTERS, DISTRIBUTED-GENERATION INVERTERS, IMPEDANCE, CONVERTERS, OPERATION, AC, SCHEME, Distributed generation (DG), droop controllers, microgrid, power system losses
journal title
IEEE TRANSACTIONS ON POWER DELIVERY
IEEE Trans. Power Deliv.
volume
27
issue
4
pages
2318 - 2325
Web of Science type
Article
Web of Science id
000309200900071
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.2012.2212919
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
2970120
handle
http://hdl.handle.net/1854/LU-2970120
date created
2012-08-09 09:58:13
date last changed
2012-10-29 11:26:58
@article{2970120,
  abstract     = {Microgrids are receiving an increasing interest to integrate the growing share of distributed generation (DG) units in the electrical network. For the islanded operation of the microgrid, several control strategies for the primary control have been developed to ensure a stable microgrid operation. In lowvoltage microgrids, active power/voltage (P/V ) droop controllers are gaining attention as they take into account the resistive nature of the network lines and the lack of directly-coupled rotating inertia. However, a problem often cited with these droop controllers is that the grid voltage is not a global parameter. This can influence the power sharing between different units. In this paper, it is investigated whether this is actually a disadvantage of the control strategy. It is shown that with P/V droop control, the DG units that are located electrically far from the load centres automatically deliver a lower share of the power. This automatic power sharing modification can lead to decreased line losses, thus, an overall better efficiency compared to the methods that focus on perfect power sharing. In this paper, the P/V and P/f droop control strategies are compared with respect to this power sharing modification and the line losses.},
  author       = {Vandoorn, Tine and Meersman, Bart and De Kooning, Jeroen and Guerrero, Josep and Vandevelde, Lieven},
  issn         = {0885-8977},
  journal      = {IEEE TRANSACTIONS ON POWER DELIVERY},
  keyword      = {CONTROL STRATEGY,SUPPLY-SYSTEMS,PARALLEL INVERTERS,DISTRIBUTED-GENERATION INVERTERS,IMPEDANCE,CONVERTERS,OPERATION,AC,SCHEME,Distributed generation (DG),droop controllers,microgrid,power system losses},
  language     = {eng},
  number       = {4},
  pages        = {2318--2325},
  title        = {Automatic power sharing modification of P/V droop controllers in low-voltage resistive microgrids},
  url          = {http://dx.doi.org/10.1109/TPWRD.2012.2212919},
  volume       = {27},
  year         = {2012},
}

Chicago
Vandoorn, Tine, Bart Meersman, Jeroen De Kooning, Josep Guerrero, and Lieven Vandevelde. 2012. “Automatic Power Sharing Modification of P/V Droop Controllers in Low-voltage Resistive Microgrids.” Ieee Transactions on Power Delivery 27 (4): 2318–2325.
APA
Vandoorn, T., Meersman, B., De Kooning, J., Guerrero, J., & Vandevelde, L. (2012). Automatic power sharing modification of P/V droop controllers in low-voltage resistive microgrids. IEEE TRANSACTIONS ON POWER DELIVERY, 27(4), 2318–2325.
Vancouver
1.
Vandoorn T, Meersman B, De Kooning J, Guerrero J, Vandevelde L. Automatic power sharing modification of P/V droop controllers in low-voltage resistive microgrids. IEEE TRANSACTIONS ON POWER DELIVERY. 2012;27(4):2318–25.
MLA
Vandoorn, Tine, Bart Meersman, Jeroen De Kooning, et al. “Automatic Power Sharing Modification of P/V Droop Controllers in Low-voltage Resistive Microgrids.” IEEE TRANSACTIONS ON POWER DELIVERY 27.4 (2012): 2318–2325. Print.