Small Signal Model for VSC-HVDC Connected DFIG-Based Offshore Wind FarmsReport as inadecuate

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Journal of Applied Mathematics - Volume 2014 2014, Article ID 725209, 6 pages -

Research ArticleSchool of Electrical Engineering, Southwest Jiaotong University, Chengdu 610031, China

Received 26 February 2014; Revised 2 June 2014; Accepted 9 June 2014; Published 8 July 2014

Academic Editor: Jin Liang

Copyright © 2014 Kai Liao et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


Large-scale offshore wind farms are integrated with onshore ac grids through the voltage source converter based high voltage direct current VSC-HVDC transmission system. The impact on the stability of the ac grids will be significant. The small signal model of a wind farm connected with voltage source converter based dc transmission system is studied in this paper. A suitable model for small signal stability analysis is presented. The control system of wind generator and the HVDC system has also been modeled in this model for small signal stability analysis. The impact of the control parameters on the network stability is investigated.

Author: Kai Liao, Zheng-you He, and Bin Sun



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