Fast Coordinated Control of DFIG Wind Turbine Generators for Low and High Voltage Ride-Through
AbstractThis paper presents a fast coordinated control scheme of the rotor side converter (RSC), the Direct Current (DC) chopper and the grid side converter (GSC) of doubly fed induction generator (DFIG) wind turbine generators (WTGs) to improve the low voltage ride through (LVRT) and high voltage ride through (HVRT) capability of the DFIG WTGs. The characteristics of DFIG WTGs under voltage sags and swells were studied focusing on the DFIG WTG stator flux and rotor voltages during the transient periods of grid voltage changes. The protection schemes of the rotor crowbar circuit and the DC chopper circuit were proposed considering the characteristics of the DFIG WTGs during voltage changes. The fast coordinated control of RSC and GSC were developed based on the characteristic analysis in order to realize efficient LVRT and HVRT of the DFIG WTGs. The proposed fast coordinated control schemes were verified by time domain simulations using Matlab-Simulink. View Full-Text
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Wang, Y.; Wu, Q.; Xu, H.; Guo, Q.; Sun, H. Fast Coordinated Control of DFIG Wind Turbine Generators for Low and High Voltage Ride-Through. Energies 2014, 7, 4140-4156.
Wang Y, Wu Q, Xu H, Guo Q, Sun H. Fast Coordinated Control of DFIG Wind Turbine Generators for Low and High Voltage Ride-Through. Energies. 2014; 7(7):4140-4156.Chicago/Turabian Style
Wang, Yun; Wu, Qiuwei; Xu, Honghua; Guo, Qinglai; Sun, Hongbin. 2014. "Fast Coordinated Control of DFIG Wind Turbine Generators for Low and High Voltage Ride-Through." Energies 7, no. 7: 4140-4156.