An Improved DC Voltage Control Method for Standalone DFIG-DC System Based on Direct Torque Resonant Control
作者： Dao Zhou , Chao Wu , Frede Blaabjerg
DOI: 10.1109/IPEMC-ECCEASIA48364.2020.9367993
关键词:
摘要: In the standalone doubly fed induction generator connected to direct current (DFIG-DC) system, dc link is not interfaced with a constant source. The voltage needs be controlled by DFIG. Since stator of DFIG through diode bridge, contains lot low frequency ripples which might harmful for lifetime capacitor. This paper presents an improved ripple suppression strategy DFIG-DC system based on torque resonant control. Through establishing relationship between and rotor current, can directly magnitude current. Furthermore, also revealed, indicates that reduced simultaneously. Finally, simulation results are presented verify proposed control strategy, effective in reducing
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