Comparison analysis on damping mechanisms of power systems with induction generator based wind power generation

S Q Bu, X Zhang, J B Zhu, X Liu

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10 Citations (Scopus)
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Abstract

The rotor structure varies with different types of wind power induction generator (WPIG), which leads to their different dynamic behaviors during power system disturbances. This paper proposes a generic implementation framework of explicit damping torque analysis to investigate the damping mechanisms of power system integrated with induction generator based wind power generation, so that the essential difference and inner connection between two main types of WPIG (i.e., DFIG and FSIG) in damping power system oscillation can be revealed. The linearized models which can represent DFIG and FSIG as well as three transitional wound rotor generators are established to facilitate the analytical comparison analysis. Phillips-Heffron system linearized model is employed to derive an explicit expression of damping torque contribution from main dynamic components of WPIGs. In the paper, 16-machine 5-area NYPS-NETS example system is used for the demonstration of proposed framework and comparison analysis. Both damping effectiveness and robustness of different WPIGs are extensively examined under multiple operating status, in order to provide useful guidance to system planner for the real-time operation of induction generator based wind generation.
Original languageEnglish
Number of pages12
JournalInternational Journal of Electrical Power and Energy Systems
Volume97
Early online date20 Nov 2017
DOIs
Publication statusPublished - Apr 2018

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