Control Strategy for Rotor-Side Converter (RSC) and Grid-Side Converter (GSC) in a Grid-Interfaced Wind-DFIG Based System
Keywords:
DFIG, RSC, GSC, Grid Integration, Power Flow Control, BatteryAbstract
Wind energy conversion systems (WECS) are a significant and rapidly increasing contributor to the generation of electrical power in the new era of power production systems. They have the potential to significantly enhance the power supply situation in communities situated in remote regions. Wind energy conversion systems (WECS) are a substantial and ever-growing contributor to the production of electrical power. In this paper, a novel method for synchronizing DFIG grid connections in wind-generating systems that operate at varying velocities is introduced. The utilization of stat flux-oriented vector control for the back-to-back PWM converters simplifies the synchronization process in the DFIG rotor circuit. The electromotive force (EMF) of the stator can be adjusted to align with the grid voltage by regulating the rotor d-axis current. In order to rectify any potential phase shift that may arise between the voltage of the grid and the electromagnetic field of the stator, implement the phase-locked loop (PLL) circuit. The generator's speed is determined by the turbine pitch angle, while the frequency of the stator is regulated to ensure that it is in harmony with the grid's frequency. the proposed methodology simulation tests using the Matlab/Simulink toolbox to validate the proposed synchronization algorithm, showcasing its effectiveness in facilitating the seamless integration of the DFIG into the grid for wind power generation applications.
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