Abstract
The surge in the adoption of renewable energy systems has sparked significant interest. However, the lack of precise monitoring at the distribution endpoints of many utilities, where a majority of wind turbines tie into the grid, poses potential challenges to the overall system dynamics. Addressing this issue, this study introduces a solution in the form of a FCL-DVR inverter tailored for small to mid-sized wind turbines (10kW- 20kW). The FCL-DVR inverter is designed to tackle grid power factor correction issues. By precisely controlling VARs on individual feeder lines, it effectively manages fluctuations in output from renewable sources, particularly wind energy. Active power modulation is achieved through phase angle adjustments, while reactive power control utilizes modulation index control. Furthermore, the inverter incorporates an optimized harmonic stepped waveform (OHSW) technique to mitigate harmonics, enhancing grid stability. Employing a hybrid-clamped topology, the proposed inverter is simulated using the MATLAB/Simulink environment, demonstrating its efficacy in addressing grid integration challenges associated with renewable energy systems.
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