Research on LVRT of the doubly-fed induction generator wind power systems

This paper proposes a novel integrated approach to realize the LVRT (Low Voltage Ride Though) [1] . The paper adopting different protect strategy in view of the different voltage dips, to achieve the unification of the reliability and safety. The paper adopts the improved strategy when the grid volt...

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Bibliographic Details
Main Authors: Qiang Du, Huijuan Zhang, Peijie Han, Longfei Ma, Qingfu Meng
Format: Conference Proceeding
Language:English
Subjects:
active crowbar circuit
Analytical models
Doubly-fed Induction Generator (DFIG)
Equations
Low Voltage Ride Though (LVRT)
Mathematical model
Rotors
Stators
the feed-forward voltage compensate
Voltage control
Voltage fluctuations
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Summary:This paper proposes a novel integrated approach to realize the LVRT (Low Voltage Ride Though) [1] . The paper adopting different protect strategy in view of the different voltage dips, to achieve the unification of the reliability and safety. The paper adopts the improved strategy when the grid voltage dips slightly, and when the voltage dips seriously, the crowbar circuit is applied. Finally, the combined LVRT protection is verified by the MATLAB/SIMULINKE.
DOI:10.1109/ICEPE-ST.2011.6122976