Results 11 to 20 of about 4,721 (264)

Active Switched-Capacitor Embedded Quasi-Z-Source Inverter and PWM Methods for High Boost Capability and Switching Loss Reduction

open access: yesIEEE Access, 2022
This paper proposes a novel topology, named a single-phase active switched-capacitor embedded quasi-Z-source inverter (ASC-EqZSI), and two pulse-width modulation (PWM) methods, namely, PWM1 and PWM2 methods for the proposed ASC-EqZSI topology to improve ...
Anh-Tuan Huynh, Anh-Vu Ho, Tae-Won Chun
doaj   +2 more sources

Quasi‐Z‐source inverter with switched‐coupled‐capacitors

open access: yesIET Power Electronics
This paper presents an improved switched‐inductor quasi‐Z‐source inverter with a higher boost factor than similar inverters, which integrates a switched‐capacitor and a three‐winding switched‐coupled inductor into a conventional quasi Z‐source inverter ...
Mohammad Hosein Babaei   +3 more
doaj   +2 more sources

A Switched Quasi-Z-Source Inverter with Continuous Input Currents [PDF]

open access: yesEnergies, 2020
Impedance source converters as single-stage power conversion alternatives can boost and regulate the output voltages of renewable energy sources. Nevertheless, they, also known as Z-source inverters (ZSIs), still suffer from limited voltage gains and ...
Jing Yuan   +2 more
doaj   +2 more sources

Quasi Z‐source inverter with switched‐capacitor‐inductor for enhancing boost factor

open access: yesIET Power Electronics, 2021
Two structures are proposed based on the quasi Z‐source inverter (qZSI), which can significantly raise the output voltage in applications, including photovoltaic and fuel cells, in which the input voltage is low.
Jamal Abbasi Bolaghi   +3 more
doaj   +1 more source

A Novel Three-Level Quasi-Switched Boost F-Type Inverter With High Voltage Gain and Self-Balanced Neutral-Point Voltage

open access: yesIEEE Access, 2023
This paper introduces a new topology of three-level quasi-switched boost F-type inverter (3L-qSBFTI) to improve voltage gain compared to traditional impedance-source inverters (ISIs). This topology uses a switched-capacitor (SC) structure to increase the
Duc-Tri Do   +2 more
doaj   +1 more source

Improved Symmetric Switched-Inductor/Capacitor Quasi Z-Source Inverter with Ability Uplifted-Boost [PDF]

open access: yesInternational Journal of Industrial Electronics, Control and Optimization, 2020
This paper proposes a topology of switched-inductor/capacitor quasi z-source inverter (SIC-qZSI), which based on the classic qZSI. This topology is symmetric and has a high boost factor in the low duty cycle and high modulation index.
Alireza Karbalaei, Mohammad Mardaneh
doaj   +1 more source

Comparative study of CFSI,Trans-CFSI and SL-QSBI

open access: yesAdvances in Electrical and Electronic Engineering, 2020
This paper presents the comparative analysis of the three types of inverters which are Current-Fed Switched Inverter (CFSI), Trans-Current-Fed Switched Inverter (Trans-CFSI), and improved Switched Inductor-Quasi Switched Boosted Inverter (SL-QSBI). Also,
Muhammad Awais Sharif   +5 more
doaj   +1 more source

High voltage gain bi‐directional Z‐source inverters with dual‐loop feed‐forward peak DC‐link voltage compensation for fuel cell vehicles

open access: yesIET Renewable Power Generation, 2022
High boost inverter is an essential part to interface the fuel cell stack and traction motor for fuel cell vehicles (FCVs). This paper proposes two novel high voltage gain bi‐directional Quasi‐ZSIs (QZSI) with new active switched inductor cells for FCVs ...
Can Wang   +4 more
doaj   +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

Double-integral sliding mode control of the switched-inductor quasi-Z source boost converter

open access: yesMeasurement + Control, 2023
Compared with the traditional converter, the switching inductance quasi-Z source DC-DC boost converter has the characteristics of wide output voltage, small capacitor size and more reliable circuit. However, in the process of DC voltage boost, the system
Li Junjun   +4 more
doaj   +1 more source

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