An Innovative Photovoltaic solar Fed Trans ZSI -DVR For Grid-Connected PV Systems to Improve Power Quality
Author(s):
Ms.M.P.Ganvir, Prof.Bhosle S.S., Dr.Pararwar P.V, Prof.Tamboli M.S
Keywords:
PV, DVR, TransZSI, voltage sag, voltage transient, THD.
Abstract
In order to enhance the power quality of off-grid photovoltaic (PV) systems, a novel solar PV fed Dynamic Voltage Restorer (DVR) based on Trans-Z-source Inverter (TransZSI) is proposed in this paper. The DVR is a power electronic compensator that is used to adjust the voltage disturbance by injecting the desired voltage into the Point of Common Coupling (PCC). With the exceptional benefits of buck/boost, a wider range of voltage boost gain, fewer passive components, and reduced voltage stress, TransZSI is offered as a replacement for standard VSI in the proposed DVR. In order to reduce the injected voltage harmonics and achieve accurate voltage disturbance mitigation and efficient detection, a hybrid Unit Vector Template with Maximum Constant Boost Control (UVTMCBC) method is suggested for TransZSI-DVR. We've examined the suggested TransZSI-DVR with UVT-MCBC's performance in the presence of swell, interruption, severe sag, and minor sag with harmonics. The comparison analyses and simulation outcomes demonstrate the superiority of the suggested TransZSI-DVR over the conventional ZSI-DVR and VSI-DVR. The PV system's TransZSI-DVR has reduced voltage sag, swell, and interruption. Additionally, it has enhanced the power quality of the output voltage of the PV system as well as the injected voltage to the PCC.
Article Details
Unique Paper ID: 164092

Publication Volume & Issue: Volume 10, Issue 12

Page(s): 174 - 180
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