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

IET Power Electronics, 2023
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, Asghar Taheri, Jamal Abbasi Bolaghi, Masoumeh Gholami   +3 more
doaj   +3 more sources

A quasi-Z-source boost DC-DC converter

Gong-kuang zidonghua, 2017
For problems of traditional boost converter including limited boost ability and high capacitor voltage stress, a boost DC-DC converter was proposed which used two quasi-Z-source networks in cascade.
FANG Xupeng, MA Bolong, DONG Zhaolong, GUO Jiuhong, GAO Guanzhong   +4 more
doaj   +3 more sources

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

Energies, 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, Yongheng Yang, Frede Blaabjerg   +2 more
doaj   +4 more sources

Improved Quasi-Z-Source High Step-Up DC–DC Converter Based on Voltage-Doubler Topology [PDF]

Sensors, 2022
The step-up DC–DC converter is widely used for applications such as IoT sensor nodes, energy harvesting, and photovoltaic (PV) systems. In this article, a new topological quasi-Z-source (QZ) high step-up DC–DC converter for the PV system is proposed. The
Toru Sai, Younghyun Moon, Yasuhiro Sugimoto   +2 more
doaj   +2 more sources

An Improved Quasi-Z-Source Boost DC-DC Converter Using Single-Stage Switched-Inductor Boosting Technique

Machines, 2022
A modified single-stage Quasi-Z-Source (QZS) boost DC-DC converter using a single MOSFET switch with a single-stage switched-inductor (SI) network is proposed in this paper.
Manoharan Premkumar, Chandran Ramakrishnan, Chandrasekaran Kumar, Ravichandran Sowmya, Thulasimani Ramalingam Sumithira, Pradeep Jangir   +5 more
doaj   +3 more sources

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

Energies, 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, Luis Sainz, Juan José Mesas, Joaquín Pedra   +3 more
doaj   +3 more sources

Hybrid Source Multi-Port Quasi-Z-Source Converter with Fuzzy-Logic-Based Energy Management

Energies, 2023
In this paper, a fuzzy-logic-based energy management system and a multi-port quasi-z-source converter that utilizes hybrid renewable energy sources are proposed.
Gorkem Say, Seyed Hossein Hosseini, Parvaneh Esmaili   +2 more
doaj   +3 more sources

Switched-Inductor Extended-Boost Quasi-Z-Source Inverter

IEEE Access
This paper introduces two novel impedance source inverter topologies for switched-inductor extended-boost quasi-Z-source inverters: diode-assisted and capacitor-assisted switched-inductor extended-boost quasi-Z-source inverters.
Abhishek Paikray, Dezi Shrivastav, Sisir Kumar Nayak   +2 more
doaj   +2 more sources

Maximum Boost Control Method for Single-Phase Quasi-Switched-Boost and Quasi-Z-Source Inverters

Energies, 2017
The maximum boost control method for a single-phase switched-boost inverter (SBI) and single-phase Z-source inverter (ZSI) is proposed in this paper. In the proposed method, the low frequency voltage is added to the constant voltage for generating the ...
Minh-Khai Nguyen, Youn-Ok Choi
doaj   +3 more sources

Efficient impedance source-based high voltage gain converter with smooth input current [PDF]

Scientific Reports
This paper proposes a new soft switched high step-up quasi Z-source converter. The innovative combination of coupled inductors and switched capacitor techniques with the basic quasi-Z-source structure, results in a high voltage gain and low switches ...
Maryam Hajilou, Hosein Farzanehfard
doaj   +2 more sources