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Research for Transient-Voltage Stability Based on Doubly-Fed Wind Power Generation System

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Abstract:

Although the doubly-fed generator group has a flexible ability of reactive power regulation, when a fault occurs in the power system, the ability will be closed to saturation and we need to adopt measures to support network voltage. In this paper, the model of doubly-fed wind turbine、SVC and STATCOM will be given. And the paper will provide a control system of the two dynamic reactive power compensation devices respectively. By power system simulation software Matlab and combining a regional power grid of Mengdon, both SVC and STATCOM are applied to the wind farm and the paper will analyze the characteristics of network voltage. The simulative results show that both the SVC and STATCOM can help wind farm voltage rapidly reconstructed after the fault. In addition, the STATCOM can better improve the transient stability of the wind farm and the compensation effect of STATCOM is better than SVC.

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Info:

Periodical:

Applied Mechanics and Materials (Volumes 738-739)

Pages:

1251-1255

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.738-739.1251

Citation:

Cite this paper

Online since:

March 2015

Authors:

Liang Liu, Hai Ming Li, Si Qing Sheng, Huan Li*

Keywords:

Doubly-Fed Induction Generator, STATCOM, Svc, Transient Voltage, Wind Farm

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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* - Corresponding Author

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