Results 11 to 20 of about 7,548,261 (298)

Quasi-Z-source Inverter with Coupled Inductor [PDF]

open access: yes2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE), 2019
A novel quasi-Z-source inverter with Coupled Inductor technique is proposed in this paper. The boost ability of the proposed topology is enhanced compared to classic Z-source/quasi-Z-source topologies. The proposed topology provides a common mode ground with dc source, continuous input current, reduced voltage and current stress on active and passive ...
Zhengyu Zhao   +3 more
openaire   +2 more sources

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

open access: yesElectrical, Control and Communication Engineering, 2011
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 ...
Dmitri Vinnikov   +2 more
doaj   +2 more sources

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

open access: yesJournal 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   +2 more
doaj   +2 more sources

A Novel Switched-Capacitor Enhanced-Boost Quasi Z-Source Network

open access: yesTESEA, Transactions on Energy Systems and Engineering Applications, 2023
This paper presents a novel switched-capacitor enhanced-boost quasi-Z-source inverter (SCEB-qZSI) for renewable energy applications. The described topology is a novel power electronic converter that uses switched-capacitors to increase the voltage boost.
Vadthya Jagan   +5 more
doaj   +3 more sources

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

open access: yes2017 IEEE PES PowerAfrica, 2017
تعرض هذه الورقة مبادئ التشغيل واستراتيجية تعديل متجهات الفضاء المعدلة لمحول ثلاثي الأطوار شبه محايد المصدر من نقطة Z مثبت للتطبيقات الشمسية الكهروضوئية. تجمع هذه الطوبولوجيا بين مزايا المحولات ذات النقطة المحايدة المثبتة وشبه Z. وتشمل هذه المزايا تحويل الطاقة المعزز أحادي المرحلة، وتيار الإدخال المستمر، وإجهاد الجهد المنخفض للمفاتيح.
Francis Boafo Effah   +3 more
openaire   +3 more sources

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   +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

Cascaded Multilevel Inverter Based on Quasi-Z-Source Converter: Analysis, Design and Study of Optimal Structures

open access: yesIranian Journal of Electrical and Electronic Engineering, 2019
In this paper, a new topology for cascaded multilevel inverter based on quasi-Z-source converter is proposed. In the proposed topology the magnitude of output DC voltage is not limited to the sum of magnitude of DC voltage sources.
E. Babaei   +2 more
doaj   +1 more source

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

open access: yesIEEE 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   +4 more
doaj   +1 more source

Two-Stage Control for Small-Signal Modeling and Power Conditioning of Grid-‎Connected Quasi-Z-Source Inverter with LCL Filter for Photovoltaic ‎Generation ‎ [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2021
Grid-connected inverter-based photovoltaic (PV) systems play an important role in Distributed Power Generation (DPG). For this application, quasi impedance source inverter is very suitable due to its ability to increase or decrease the output voltage of ...
F. Aalizadeh   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy