Results 11 to 20 of about 76,165 (358)

An Impedance Network-Based Three Level Quasi Neutral Point Clamped Inverter with High Voltage Gain

open access: yesEnergies, 2020
Due to the impediments of voltage source inverter and current source inverter, Z-Source Inverter (ZSI) has become notorious for better power quality in low and medium power applications. Several modifications are proposed for impedance source in the form
Muhammad Aqeel Anwar   +5 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

A Diamond Shaped Multilevel Inverter With Dual Mode of Operation

open access: yesIEEE Access, 2021
This study presents a novel multilevel inverter structure that can operate in both switched capacitor and asymmetric DC source modes. In the first mode, it can produce seven-level output voltage employing two switched capacitors and one single DC supply.
Sheikh Tanzim Meraj   +7 more
doaj   +1 more source

Single source self‐balanced switched‐capacitor multilevel inverter with reduced number of semiconductors

open access: yesIET Power Electronics, 2023
Recently, the demand for switched‐capacitor converters has increased due to the use of a low voltage input source. This article aims to improve some weak points of these inverters, such as the high number of elements by presenting a novel single‐source ...
Mohammad Amani   +2 more
doaj   +1 more source

Permanent Magnet Synchronous Motor Drive Based on Maximum boost control Z-source SVPWM

open access: yesZanco Journal of Pure and Applied Sciences, 2019
This paper presents a Z-source inverter drive system for permanent magnet synchronous motor. A maximum boost control strategy for space vector PWM is presented for controlling the ride though ability of the converter.
Laith A. Mohammed, Basil M. Saied
doaj   +1 more source

Enhanced Torque Control of a PMSM Supplied by a Four-Leg Voltage Source Inverter Using the Third Harmonic [PDF]

open access: yes, 2008
This paper investigates an electrical drive composed of a four-leg voltage source inverter and a three-phase starconnected surface permanent magnet synchronous machine with concentrated windings. The inverter fourth leg is clamped to the neutral point of
GYSELINCK, Johan   +2 more
core   +6 more sources

A Switched-Capacitor-Voltage-Doubler Based Boost Inverter for Common-Mode Voltage Reduction

open access: yesIEEE Access, 2019
In this paper, a modified three-phase two-level voltage source inverter is proposed. By combining the conventional three-phase H-bridge inverter with a switched-capacitor-voltage-doubler network, the DC-link voltage of the proposed inverter is double ...
Tan-Tai Tran   +5 more
doaj   +1 more source

Speed Control of Dual Induction Motor Using Five Leg Inverter [PDF]

open access: yesE3S Web of Conferences, 2020
Over the past decade, research efforts have been made to decrease the number of power electronic devices needed in multi-motor drive systems in order to condense the overall complication and cost of the drive. This paper proposes speed control for a dual
Chavan Gayatri, S Sridhar.
doaj   +1 more source

Analysis of power converters with devices of SiC for applications in electric traction systems [PDF]

open access: yes, 2016
This article presents the analysis of two topologies of power converters. Voltage Source Inverter (VSI) and Current Source Inverter (CSI) proposals for traction system applications, these topologies are implemented with silicon carbide devices.
Fernández Palomeque, Efrén Esteban   +3 more
core   +1 more source

Controlled Energy Flow in Z-Source Inverters

open access: yesEnergies, 2021
This paper proposes a method to reduce the output voltage distortions in voltage source inverters (VSI) working with impedance networks. The three main reasons for the voltage distortions include a discontinuous current in the coils of the impedance ...
Zbigniew Rymarski   +2 more
doaj   +1 more source

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