TRANS QUASI Z-SOURCE INVERTER POWERED WIND SYSTEM WITH AN INCREASING VOLTAGE PROFILE
DOI:
https://doi.org/10.59277/RRST-EE.2025.2.9Keywords:
Permanent magnet synchronous generator (PMSG), Trans-quasi-Z-source inverter (Trans-QZSI), Space vector pulse width modulation (SVPWM), Total harmonics distortion (THD), Z-source inverter (ZSI)Abstract
The majority of the world's future energy contribution is expected to come from renewable energy sources. The current power system has numerous nonlinear load demands and relies on a power electronics converter, resulting in significant power quality issues. In this study, the space vector pulse-width modulation (SV-PWM) technique is employed to control the trans-quasi z-source inverter (Trans-QZSI) powered by permanent magnet synchronous generators (PMSG), thereby enhancing the power quality of wind energy systems. Additionally, the PMSG is small and has a low volume, which is a unique characteristic. This leads to a closed-loop regulator's objective of efficiently controlling a three-phase contribution of steady voltage through the use of a trans-QZSI. By increasing the input DC voltage, the inductor will provide a higher output DC voltage. Due to the shoot-through mode, the DC utilization voltage of the Z-source network will increase. The shoot-through task ratio is controlled by the closed-loop checker, which also closely monitors the principal variable voltage. Because it provides a synchronised three-phase output voltage, the intended closed-loop architecture is a strong choice for both boosting and essential dynamic and secure state management. Here, the inverter is managed using the space vector PWM approach. From the simulation point of view, the suggested total harmonic distortion (THD) was 0.032%; however, from the experimental point of view, THD was 2.093%.
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