Results 11 to 20 of about 8,711 (304)

Improved vector selection model predictive control strategy for quasi‐Z‐source inverter virtual synchronous generator grid‐connected system

open access: yesThe Journal of Engineering
Conventional inverter control methods reduce the grid inertia and are susceptible to parameter variations, resulting in a gradual weakening of grid stability.
Zhun Cheng   +3 more
doaj   +2 more sources

Two New Common Ground Extended-Boost Active Quasi Z-Source Inverter With Reduced Passive Components

open access: yesIEEE Access, 2023
A high voltage gain inverter is a critical component of any high voltage power system, which feeds from a limited DC source. Numerous inventive solutions proposed to increase the boost factor.
Sohrab Naderi, Hasan Rastegar
doaj   +2 more sources

A new single magnetic core coupled-inductor based active switched Quasi Z-source inverter. [PDF]

open access: yesSci Rep
This paper presents a novel topology for Z-source inverters (ZSI). The new Z-Source network is based on the coupled-inductors and active switched boost. Features of the topology include high voltage boost ability, single magnetic-core, low voltage stress
Zarrinehbafan M   +3 more
europepmc   +2 more sources

Comprehensive Review on Main Topologies of Impedance Source Inverter Used in Electric Vehicle Applications

open access: yesWorld Electric Vehicle Journal, 2020
Power electronics play a fundamental role for electric transportation, renewable energy conversion and many other industrial applications. They have the ability to help achieve high efficiency and performance in power systems.
Daouda Mande   +2 more
doaj   +1 more source

An DPWM for Active DC-Link Type Quasi-Z-Source Inverter to Reduce Component Voltage Rating

open access: yesEnergies, 2022
The conventional DC-link type quasi-Z-source inverter has been known as a buck–boost inverter with a low component voltage rating. This paper proposes an active DC-link type quasi-Z-source inverter by adding one active switch and one diode to the ...
Duc-Tri Do, Vinh-Thanh Tran, Khai Nguyen
doaj   +1 more source

An enhanced single phase quasi Z-source switched capacitor seven level inverter with modified SPWM for PV applications. [PDF]

open access: yesSci Rep
The combination of impedance source networks with switched capacitor multilevel inverters (SC-MLIs) can address the inrush current problem, enhance voltage-gain, and improve immunity which is came from Z-source topology.
Hosseini S   +3 more
europepmc   +2 more sources

A model predictive control strategy based on energy storage grid‐connected quasi‐z‐source inverters

open access: yesIET Generation, Transmission & Distribution, 2022
The battery energy stored quasi‐Z‐source (BES‐qZS) based photovoltaic (PV) power generation system combines advantages of the qZS inverter and the battery energy storage (BES) system.
Lixiong Li   +3 more
doaj   +1 more source

Research on EMI suppression of high frequency isolate quasi-Z-source inverter based on chaotic frequency modulation

open access: yesEnergy Reports, 2022
As a new type of topology inverter, the isolated quasi-Z-source inverter is suitable for photovoltaic power generation systems because of its high efficiency in power conversion, high boost ratio and electrical isolation.
Yan Chen   +4 more
doaj   +1 more source

A Grid-Connected PV System Based on Quasi-Z-Source Inverter With Maximum Power Extraction

open access: yesIEEE transactions on industry applications, 2023
This paper proposes an approach to link photovoltaic arrays with the AC grid using Z-source inverter (ZSI) and quasi-Z-source inverter (QZSI) topologies.
M. Elmorshedy   +4 more
semanticscholar   +1 more source

A Family of High Step-Up Quasi Z-Source Inverters with Coupled Inductor

open access: yesEnergies, 2020
With the continuous development of new energy, there is more and more research on step-up inverters in photovoltaic and wind power generation systems.
Yu Tang, Hao Sun, Shaoheng Wang
doaj   +1 more source

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