Research on Flux Damping Control Strategy of DFIG during Grid Voltage Dips

Xu Guang Zhang; Zhen Xie

doi:10.4028/www.scientific.net/AMM.713-715.756

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 713-715Research on Flux Damping Control Strategy of DFIG...

Research on Flux Damping Control Strategy of DFIG during Grid Voltage Dips

Abstract:

A flux damping control strategy was proposed to accelerate the decay of stator flux and restrain stator, rotor current and torque oscillation caused by grid voltage dips. Firstly, this paper analyzes the simplified mathematical model of DFIG during symmetrical voltage dips. Then, the mechanism of flux damping control strategy to restrain stator, rotor current oscillation and increase flux damping was analyzed. The flux damping control strategy can increase the damping of stator side, which accelerates the decay of the stator flux natural component and improve the dynamic LVRT performance of DFIG. The correctness and effectiveness of this method is verified by MATLAB/Simulink simulation results.

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Periodical:

Applied Mechanics and Materials (Volumes 713-715)

Pages:

756-759

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.713-715.756

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Online since:

January 2015

Authors:

Xu Guang Zhang*, Zhen Xie

Keywords:

DFIG, Dynamic Analysis, Flux Damping, Grid Voltage Dips

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References

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