Results 41 to 50 of about 56,226 (290)

Hybrid Feedback Control Methods for Robust and Global Power Conversion [PDF]

open access: yes, 2015
In this paper, the applicability and importance of hybrid system tools for the design of control algorithms for energy conversion in power systems is illustrated in two hybrid control designs, one pertaining to DC/DC conversion and the other to DC/AC ...
Chai, J, Sanfelice, RG
core   +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 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  

Research on EMI suppression of high frequency isolate quasi-Z-source inverter based on chaotic frequency modulation

open access: yesEnergy Reports, 2022
As a new type of topology inverter, the isolated quasi-Z-source inverter is suitable for photovoltaic power generation systems because of its high efficiency in power conversion, high boost ratio and electrical isolation.
Yan Chen   +4 more
doaj   +1 more source

A Deadbeat Grid一connected Control Strategy of the Single Phase Z/Q一Z Source Inverter

open access: yesJournal of Harbin University of Science and Technology, 2017
In order to improve the efficiency of Z/Q-Z source inverter and output current quality,reduce the harmonic distortion rate of grid-connected current,the control strategy of grid-connected current is applied to the Z/Q-Z source inverter.
YAN JLUg-bin   +4 more
doaj   +1 more source

A New Topology for Z-Source Inverter Based on Switched-Inductor and Boost Z-Source Inverter [PDF]

open access: yesJournal of Operation and Automation in Power Engineering, 2015
In this paper, a new topology for boost Z-source inverterbased on switched-inductor cell is proposed. The operating modes of the proposed inverter are analyzed and also a suitable control method to generate the trigger signals of the inverter is ...
Ebrahim Babaei   +3 more
doaj  

A comparative study of Z-source inverter and enhanced topologies

open access: yesCES Transactions on Electrical Machines and Systems, 2018
This paper does some theoretical analysis and simulation studies on the most common topologies of Z-source inverter. As we all know, the traditional Z-source inverter has some problems, such as the voltage of the capacitor which belongs to this topology ...
Tao Li, Qiming Cheng
doaj   +1 more source

Suppression of common-mode voltage in a PWM rectifier/inverter system [PDF]

open access: yes, 2001
This paper proposes a PWM rectifier/inverter system capable of suppressing not only supply harmonic currents but also electromagnetic interference (EMI).
Akagi, Hirofumi, Ogasawara, Satoshi
core   +1 more source

Direct usage of photovoltaic solar panels to supply a freezer motor with variable DC input voltage [PDF]

open access: yes, 2020
In this paper, a single-phase photovoltaic (PV) inverter fed by a boost converter to supply a freezer motor with variable DC input is investigated. The proposed circuit has two stages.
Farzan Moghaddam, Ali   +1 more
core   +2 more sources

Analysis of a Single-Phase Z-Source Inverter for Battery Discharging in Vehicle to Grid Applications

open access: yesEnergies, 2011
Vehicle to Grid technology allows the batteries of electric vehicles to operate as energy storage elements for renewable energy power systems. The Z-Source inverter is a new and attractive topology for the power electronics interface.
Shumei Cui   +4 more
doaj   +1 more source

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