Microgrid voltage, frequency stability and suppression of voltage non-linearities are addressed in this study by using an advanced virtual synchronous generator (VSG) management technique grounded on bypass non-linearity control (VSG-BNC). Using incremental conductance based maximum power algorithm (IC-MPA) to adjust the duty ratio ensures stability and maximizes power generation regardless of weather conditions. This approach integrated a robust voltage control link into the conventional VSG control strategy, addressing voltage errors in the converter's driving voltage caused by the oscillating P-V droop factor. Additionally, a BNC link was introduced to regulate the converter's voltage signal, minimizing the total harmonic distortion in the microgrid. Simulation models in MATLAB/Simulink and HIL-402 assessed the microgrid stability, comparing the planned strategy with conventional VSG regulation methods. The results demonstrated the efficacy and advantage of the improved VSG regulation techniques in mitigating frequency instability and suppressing harmonics, offering a promising solution for microgrid power quality enhancement.
Power Quality Enhancement Through Virtual Synchronous Generator Based Bypass Nonlinearity Control
2024-07-31
3972916 byte
Conference paper
Electronic Resource
English
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