Results 31 to 40 of about 7,580,765 (187)

Controlled Energy Flow in Z-Source Inverters

open access: yesEnergies, 2021
This paper proposes a method to reduce the output voltage distortions in voltage source inverters (VSI) working with impedance networks. The three main reasons for the voltage distortions include a discontinuous current in the coils of the impedance ...
Zbigniew Rymarski   +2 more
doaj   +1 more source

State-Space Model of Quasi-Z-Source Inverter-PV Systems for Transient Dynamics Studies and Network Stability Assessment

open access: yesEnergies, 2021
Photovoltaic (PV) power systems are increasingly being used as renewable power generation sources. Quasi-Z-source inverters (qZSI) are a recent, high-potential technology that can be used to integrate PV power systems into AC networks.
Lluís Monjo   +3 more
doaj   +1 more source

EMI Suppression of High-Frequency Isolated Quasi Z-Source Inverter Based on Multi-Scroll Chaotic PWM Modulation

open access: yesIEEE Access, 2019
The high frequency isolated quasi Z-source inverter is a new type of inverter, which is suitable for photovoltaic generation system because of its high lift to voltage ratio, transient bridge direct access and electrical isolation.With the increase of ...
Yan Chen   +3 more
doaj   +1 more source

Hybrid Wind-Solar Power System with a Battery-Assisted Quasi-Z-Source Inverter: Optimal Power Generation by Deploying Minimum Sensors

open access: yesEnergies, 2023
This paper presents a hybrid renewable energy system (RES) including wind and photovoltaic (PV) power sources. The wind energy subsystem (WES) consists of a squirrel-cage induction generator (SCIG) driven by a variable-speed wind turbine (WT) and ...
Matija Bubalo   +3 more
semanticscholar   +1 more source

An Impedance Network-Based Three Level Quasi Neutral Point Clamped Inverter with High Voltage Gain

open access: yesEnergies, 2020
Due to the impediments of voltage source inverter and current source inverter, Z-Source Inverter (ZSI) has become notorious for better power quality in low and medium power applications. Several modifications are proposed for impedance source in the form
Muhammad Aqeel Anwar   +5 more
doaj   +1 more source

Multistring seven-level quasi Z-source based asymmetrical inverter [PDF]

open access: yes, 2019
In this paper, a single-phase multistring seven-level Quasi-Z-source based Asymmetrical Inverter suitable for grid-connected photovoltaic (PV) system is presented.
Annamalai, Kirubakaran   +1 more
core   +1 more source

A new topology of the switched-inductor/capacitor quasi Z-source inverter with ability of uplifted-boost [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2020
In this paper, a new topology of switched-inductor/capacitor quasi impedance source inverter is suggested, which in comparison with the other topologies possesses higher boost voltage inversion at high modulation index and low shoot through duty cycle ...
Alireza Karbalaei   +2 more
doaj   +1 more source

Feasibility Study of Interleaving Approach for Quasi-Z-Source Inverter

open access: yes, 2020
This paper presents a comprehensive feasibility study of an interleaving approach for a quasi-Z-source inverter. The state-of-the-art approach revealed that an interleaving approach is often used to improve the efficiency and power density that can ...
Dmitri Vinnikov   +4 more
core   +1 more source

Low Computational Burden Predictive Direct Power Control of Quasi Z-Source Inverter for Grid-Tied PV Applications

open access: yesSustainability, 2023
This paper proposes a simplified predictive direct power control for the grid-tied quasi Z-source inverter. The proposed control implements a model predictive control structure to achieve the maximum obtainable power from the collected PV source.
Abderahmane Abid   +5 more
semanticscholar   +1 more source

Dual Input Single Phase Quasi Z Source Inverter for Integrated Photovoltaic Systems

open access: yesAdvances in Materials Science and Engineering, 2022
Globally, climate change has increased various environmental concerns, and there is a very high and still ever greater penetration of renewable energy power into energy grids.
T. Rampradesh   +2 more
doaj   +1 more source

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