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Appl. Sci. 2018, 8(8), 1289; https://doi.org/10.3390/app8081289

Impacts of Integration of Wind Farms on Power System Transient Stability

1
State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China
2
College of Mechanical and Electrical Engineering, Inner Mongolia Agricultural University, Hohhot 010010, China
*
Author to whom correspondence should be addressed.
Received: 5 July 2018 / Revised: 25 July 2018 / Accepted: 31 July 2018 / Published: 2 August 2018

Abstract

To compensate for the ever-growing energy gap, renewable resources have undergone fast expansions worldwide in recent years, but they also result in some challenges for power system operation such as the static security and transient stability issues. In particular, as wind power generation accounts for a large share of these renewable energy and reduces the inertia of a power network, the transient stability of power systems with high-level wind generation is decreased and has attracted wide attention recently. Effectively analyzing and evaluating the impact of wind generation on power transient stability is indispensable to improve power system operation security level. In this paper, a Doubly Fed Induction Generator with a two-lumped mass wind turbine model is presented firstly to analyze impacts of wind power generation on power system transient stability. Although the influence of wind power generation on transient stability has been comprehensively studied, many other key factors such as the locations of wind farms and the wind speed driving the wind turbine are also investigated in detail. Furthermore, how to improve the transient stability by installing capacitors is also demonstrated in the paper. The IEEE 14-bus system is used to conduct these investigations by using the Power System Analysis Tool, and the time domain simulation results show that: (1) By increasing the capacity of wind farms, the system instability increases; (2) The wind farm location and wind speed can affect power system transient stability; (3) Installing capacitors will effectively improve system transient stability. View Full-Text
Keywords: doubly fed induction generator; wind turbine with two-lumped mass; transient stability; power system doubly fed induction generator; wind turbine with two-lumped mass; transient stability; power system
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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. (CC BY 4.0).
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Xia, S.; Zhang, Q.; Hussain, S.; Hong, B.; Zou, W. Impacts of Integration of Wind Farms on Power System Transient Stability. Appl. Sci. 2018, 8, 1289.

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