An Improved Synchronous Reference Frame Controller based Dynamic Voltage Restorer for Grid Connected Wind Energy System

DILEEP KUMAR VARMA, Obulesh YP, Saibababu ch

Abstract


The production of wind generation has expanded considerably today. The main problem with wind generation system is to regulate the voltage at wind turbine terminals even under abnormal grid conditions.This is mainly as a result of consumption of non active power from the grid during grid disturbances. This paper investigates an improved Synchronous Reference Frame control; Dual Decouple Synchronous Reference Frame (DDSRF) based control for Dynamic Voltage Restorer (DVR) to upgrade the dynamic response of wind energy system. The proposed method uses  DDSRF PLL for extracting clean grid voltage and  phase angle even under adverse grid conditions. The proposed control scheme provides the ability for fixed speed wind generator to ride through under voltage interruptions in the grid to meet the latest grid codes. The proposed control is competent of stabilising  the voltage at the wind turbine terminals under symmetrical sag/swell and asymmetrical fault conditions. simulation studies have been peformed in MATLAB/SIMULINK to manifest the effectiveness of proposed control strategy

Keywords


Dynamic voltage restorer (DVR); Low Voltage Ride Through Capability (LVRT);Point of Interconnection (POI);Dual Decouple Synchronous reference frame control technique (DDSRFT).

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References


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DOI (PDF): https://doi.org/10.20508/ijrer.v6i3.3938.g6871

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