An adaptive model-based MPPT technique with drift-avoidance for grid-connected PV systems

M Ahmed, M Abdelrahem, I Harbi, R Kennel - Energies, 2020 - mdpi.com
In this article, a modified control structure for a single-stage three phase grid-connected
photovoltaic (PV) system is presented. In the proposed system, the maximum power point …

DC-link quasi-switched boost inverter with improved PWM strategy and its comparative evaluation

MK Nguyen, TD Duong, YC Lim, JH Choi… - IEEE …, 2020 - ieeexplore.ieee.org
Low voltage stress on the impedance source network devices is the main reason for the
advent of DC-linked type quasi-switched boost inverters (DqSBIs). However, the DqSBI has …

Modeling, analysis and proportional resonant and proportional integral based control strategy for single phase quasi-Z source inverters

S Vadi, R Bayindir - IEEE Access, 2022 - ieeexplore.ieee.org
This paper proposes a proportional resonant and proportional integral based control
strategy for single phase quasi-Z-source inverters (qZSIs) which is able to operate in buck …

Efficiency boost of a quasi-z-source inverter: A novel shoot-through injection method with dead-time

I Grgić, D Vukadinović, M Bašić, M Bubalo - Energies, 2021 - mdpi.com
A quasi-Z-source inverter (qZSI) is a single-stage inverter that enables a boost of the input
dc voltage through the utilization of a so-called shoot-through state (STS). Generally, the …

SiC‐based active quasi‐Z‐source inverter with improved PWM control strategy

TD Duong, MK Nguyen, YC Lim, JH Choi… - IET Power …, 2019 - Wiley Online Library
In this study, an improved pulse width modulation (PWM) scheme was proposed for an
active quasi‐Z source inverter (AqZSI). Compared to the quasi‐Z‐source inverter (qZSI), the …

Novel Space-Vector PWM Schemes for Enhancing Efficiency and Decoupled Control in Quasi-Z-Source Inverters

I Grgić, M Bašić, D Vukadinović, I Marinović - Energies, 2024 - mdpi.com
This paper investigates the development of pulse width modulation (PWM) schemes for
three-phase quasi-Z-source inverters (qZSIs). These inverters are notable for their voltage …

Low frequency operation and dsPIC micro-controller implementation for multilevel quasi Z source inverter in photovoltaic application

S Ahmad, R Uddin, ZA Ganie… - Distributed …, 2022 - journals.riverpublishers.com
In this paper implementation of a micro-controller based pulse width modulation for
multilevel quasi Z source inverter (qZSI) is presented. First implementation of component …

Close loop control of quasi Z-Source inverter in grid connected PV system

S Ahmad, R Uddin, ZA Ghanie… - … Conference on Electrical …, 2019 - ieeexplore.ieee.org
A modulation and control of grid connected quasi Z-source Inverter (qZSI) in closed loop for
solar photovoltaic system is proposed in this paper. The detailed average and small-signal …

[PDF][PDF] Two-stage control for small-signal modeling and power conditioning of grid-‎ connected quasi-Z-Source inverter with LCL filter for photovoltaic‎ generation‎

F Aalizadeh, M Hosseinpour… - Journal of Operation …, 2021 - joape.uma.ac.ir
Grid-connected inverter-based photovoltaic (PV) systems play an important role in
Distributed Power Generation (DPG). For this application, quasi impedance source inverter …

High voltage gain switched z‐source inverter with low current stress

G Zarei, E Babaei, MBB Sharifian, H Aghaei… - IET Power …, 2024 - Wiley Online Library
This paper proposes a switched Z‐source inverter with high voltage gain and low current
stress on elements. Also, a new switching method corresponding to the proposed topology …