Results 91 to 100 of about 7,580,765 (187)

Enhanced Performance Bidirectional Quasi-Z-Source Inverter Controller [PDF]

, 2015
A novel direct control of high performance bidirectional quasi-Z-source inverter (HPB-QZSI), with optimized controllable shoot-through insertion, to improve the voltage gain, efficiency and to reduce total harmonic distortion is investigated.The main ...
Latifi, Hojjat
core   +1 more source

Current-Prediction-Controlled Quasi-Z-Source Cascaded Multilevel Photovoltaic Inverter

Electronics
To address problems that traditional two-stage inverters suffer such as high cost, low efficiency, and complex control, this study adopts a quasi-Z-source cascaded multilevel inverter.
Shanshan Lei, Ning-Zhi Jin, Jiaxin Jiang
semanticscholar   +1 more source

Hybrid PV-Wind, Micro-Grid Development Using Quasi-Z-Source Inverter Modeling and Control—Experimental Investigation

Energies, 2018
This research work deals with the modeling and control of a hybrid photovoltaic (PV)-Wind micro-grid using Quasi Z-source inverter (QZsi). This inverter has major benefits as it provides better buck/boost characteristics, can regulate the phase angle ...
Neeraj Priyadarshi, Sanjeevikumar Padmanaban, Dan M. Ionel, Lucian Mihet-Popa, Farooque Azam   +4 more
doaj   +1 more source

Quasi-z-source inverter for photovoltaic power generation systems

, 2015
The Z-Source Inverter (ZSI) has been reported suitable for res idential PV system because of the capability of voltage boost and inversion in a single stage.
Pravin P. Kalubarme,, Prof. Santhosh Kompelli   +1 more
core   +1 more source

Lossless Dynamic Models of the Quasi-Z-Source Converter Family

This paper is devoted to the quasi-Z-source (qZS) converter family. Recently, the qZS-converters have attracted attention because of their specific properties of voltage boost and buck functions with a single switching stage, which could be especially ...
Roasto, Indrek, Husev, Oleksandr, Vinnikov, Dmitri   +2 more
core  

Modified Quasi-Z-Source Inverter with Model Predictive Control for Constant Common-Mode Voltage

, 2019
The common-mode voltage (CMV) of transformerless inverters in photovoltaic system should be properly addressed. The conventional CMV reduction methods for voltage source inverters should be modified when applied to the quasi-Z-source inverters with shoot-
Yang, Yongheng; id_orcid, Liu, Wenjie, Kerekes, Tamas; id_orcid   +2 more
core  

A Comparison Analysis of a New Switched-Inductor and Conventional Split Source Inverter Structures

IEEE Access
Several impedance source converters are receiving more attention currently due to their bucking-boosting capability in a single conversion step, reduced system cost, size, footprint, and control system complexity compared to dual-stage structures.
Mohamed A. Ismeil, Ahmed Abdelaleem, Ahmed Ismail M. Ali, M. Nasrallah, Hany S. Hussein, Essam E. M. Mohamed   +5 more
doaj   +1 more source

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

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   +1 more source

A 3Ф-3Ф quasi Z-source matrix converter for residential wind energy systems

, 2012
When compared to the Z-source inverter, the quasi Z-source inverter offers several advantages, including lower component ratings, reduced source stress and switch count, and simpler control strategies.
Ekrem Karaman, Trzynadlowski, Andrzej M., Karaman, Ekrem, Andrzej M. Trzynadlowski, Mehdi Farasat, Farasat, Mehdi   +5 more
core   +1 more source

Quasi Z source inverter

International Journal of Computer Sciences and Engineering, 2019
Sukhdev. N.Joshi, R.D. Bhagiya
openaire   +1 more source