The Research for Control Strategy of Low Voltage Ride-through Based on DFIG

Si Qing Sheng; Huan Li; Lin Tao Fan

doi:10.4028/www.scientific.net/AMM.373-375.1299

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 373-375The Research for Control Strategy of Low Voltage...

The Research for Control Strategy of Low Voltage Ride-through Based on DFIG

Abstract:

The doubly-fed wind power generation system containing crowbar protection circuit will change from reactive power source to reactive power load during the low voltage ride-through, which is likely to aggravate burdens to the fault system. Aiming at solving this problem, the paper will introduce the STATCOM compensation device, and put forward a comprehensive control strategy. Under the coordinated control strategy, the STATCOM will cooperate with the compensation capacity of the doubly-fed generator to support the reactive power. The voltage at point of common coupling will be raised and the ability of low voltage ride-through of the wind turbines will be improved. A simulative model of doubly-fed induction generator is established in MATLAB and the strategys rationality and effectiveness will be verified by the simulative results.

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Periodical:

Applied Mechanics and Materials (Volumes 373-375)

Pages:

1299-1303

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.373-375.1299

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Online since:

August 2013

Authors:

Si Qing Sheng, Huan Li, Lin Tao Fan

Keywords:

Double Fed Induction Generation (DFIG), Low Voltage Ride through (LVRT), Reactive Power Compensation, STATCOM, Voltage Control

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