Results 1 to 10 of about 21,283 (339)

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

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   +3 more sources

Two Inputs Five-Level Quasi-Z-Source Inverter [PDF]

Journal of Operation and Automation in Power Engineering, 2016
This paper combines quasi-Z-source into a typical five-level inverter, which includes two dc voltage sources, two quasi-Z-sources and five switching devices.
A. Baghbany Oskouei, M. R. Banaei, M. Sabahi   +2 more
doaj   +3 more sources

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

Sci 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, Seifi A, Nadermohammadi A, Hosseini SH.   +3 more
europepmc   +2 more sources

A Common-Mode Voltage Reduction PWM Strategy for Three-Phase Quasi-Z-Source Inverter With Optimized Switching Losses

IEEE Access, 2023
The application of the Z-source/quasi-Z-source inverter exacerbates the hazard of common mode voltage in motor drives or photovoltaic systems. The existing reduced common-mode voltage pulse width modulation (RCMV-PWM) technique applied to the Z-source ...
Yizhan Jiang, Jingwei Zhang, Qiang Wang, Fengyou He, Weifeng Zhang   +4 more
doaj   +2 more sources

Quasi Z-source NPC inverter for PV application [PDF]

2017 IEEE PES PowerAfrica, 2017
This paper presents the operating principles and modified space vector modulation strategy for a three-phase quasi Z-source neutral point clamped inverter for solar photovoltaic applications.
Clare, Jon C., Effah, Francis Boafo, Watson, Alan James, Wheeler, Patrick   +3 more
core   +3 more sources

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

Sci 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, Hosseini SH, Sabahi M, Babaei E.   +3 more
europepmc   +2 more sources

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

The 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, Yihan Liu, Bing Luo, Yang Zhang   +3 more
doaj   +2 more sources

Modulation and control of transformerless boosting inverters for three-phase photovoltaic systems: comprehensive analysis [PDF]

Scientific Reports
This paper examines the performance of three power converter configurations for three-phase transformerless photovoltaic systems. This first configuration consists of a two-stage DC–DC–AC converter comprised of a DC–DC boost chopper and a three-phase ...
Mostafa Wageh Lotfy, Ramadan Mahmoud Mostafa, Haitham S. Ramadan, Mahmoud F. Elmorshedy, Sherif M. Dabour   +4 more
doaj   +2 more sources

New Multicell Switched-Inductor Quasi-Z-Source Inverter

Electronics, 2023
To address the problems of quasi-Z-source inverters with limited boosting ability and high voltage stress, a novel class of multicell switched-inductor quasi-Z-source inverters is proposed.
Renxi Gong, Jing Tang, Xingyuan Wan, Hao Wu   +3 more
semanticscholar   +2 more sources