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International Journal of Emerging Electric Power Systems

Editor-in-Chief: Sidhu, Tarlochan

Ed. by Khaparde, S A / Rosolowski, Eugeniusz / Saha, Tapan K / Gao, Fei


CiteScore 2018: 0.86

SCImago Journal Rank (SJR) 2018: 0.220
Source Normalized Impact per Paper (SNIP) 2018: 0.430

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1553-779X
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Volume 17, Issue 2

Issues

Techniques for a Wind Energy System Integration with an Islanded Microgrid

Megha Goyal
  • Department of Electrical and Computer Engineering, Curtin University, Perth 6102, Western Australia
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/ Yuanyuan Fan
  • Department of Electrical and Computer Engineering, Curtin University, Perth 6102, Western Australia
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/ Arindam Ghosh
  • Corresponding author
  • Department of Electrical and Computer Engineering, Curtin University, Perth 6102, Western Australia
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/ Farhad Shahnia
  • Department of Electrical and Computer Engineering, Curtin University, Perth 6102, Western Australia
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Published Online: 2016-02-26 | DOI: https://doi.org/10.1515/ijeeps-2015-0139

Abstract

This paper presents two different techniques of a wind energy conversion system (WECS) integration with an islanded microgrid (MG). The islanded microgrid operates in a frequency droop control where its frequency can vary around 50 Hz. The permanent magnet synchronous generator (PMSG) based variable speed WECS is considered, which converts wind energy to a low frequency ac power. Therefore it needs to be connected to the microgrid through a back to back (B2B) converter system. One way of interconnection is to synchronize the MG side converter with the MG bus at which it is connected. In this case, this converter runs at the MG frequency. The other approach is to bring back the MG frequency to 50 Hz using the isochronization concept. In this case, the MG side converter operates at 50 Hz. Both these techniques are developed in this paper. The proposed techniques are validated through extensive PSCAD/EMTDC simulation studies.

Keywords: Microgrid; diesel generator; droop control; isochronization; WECS

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About the article

Received: 2015-08-14

Revised: 2016-02-04

Accepted: 2016-02-05

Published Online: 2016-02-26

Published in Print: 2016-04-01


Funding Source: Department of Industry and Science, Australian Government, Australian Research Council

Award identifier / Grant number: DP110104554

Department of Industry and Science, Australian Government, Australian Research Council “DP110104554”


Citation Information: International Journal of Emerging Electric Power Systems, Volume 17, Issue 2, Pages 191–203, ISSN (Online) 1553-779X, ISSN (Print) 2194-5756, DOI: https://doi.org/10.1515/ijeeps-2015-0139.

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