Title :
The research of simplification of doubly-fed wind turbine in the small signal stability analysis
Author :
Zhaobin Du ; Jingshang Chen ; Yaopeng Huang ; Peng Shen ; Shangyun Liu
Author_Institution :
Coll. of Electr. Eng., South China Univ. of Technol., Guangzhou, China
Abstract :
The problem of small signal stability caused by large-scale wind turbines connected to the power system attracts a lot of scholars´ research interest. In order to reduce calculating burden, based on the method of eigenvalue analysis, the article discusses the structure characteristics of doubly-fed induction generator (DFIG), and proposes a simplified method. By this way, the pitch angle and the electrical control model is thus simplified. The resultant simplified model of doubly-fed wind turbine is suitable for studying the influence of wind turbines on small signal stability for low frequency range. The tests on four machines-two areas system are conducted and the results demonstrate the feasibility and effectiveness of the proposed method.
Keywords :
asynchronous generators; eigenvalues and eigenfunctions; power system stability; wind turbines; DFIG; doubly-fed induction generator; eigenvalue analysis; electrical control model; large-scale doubly-fed wind turbine; power system small signal stability analysis; Analytical models; Eigenvalues and eigenfunctions; Mathematical model; Oscillators; Power system stability; Stability analysis; Wind turbines; control model simplification; doubly-fed wind turbine; eigenvalue analysis method; low frequency oscillation; small signal stability;
Conference_Titel :
Power and Energy Engineering Conference (APPEEC), 2014 IEEE PES Asia-Pacific
DOI :
10.1109/APPEEC.2014.7066161
