High-efficiency single-phase AC–AC converters without commutation problem

AA Khan, H Cha, HF Ahmed - IEEE Transactions on Power …, 2015‏ - ieeexplore.ieee.org
This paper proposes single-phase direct pulsewidth modulation (PWM) buck-, boost-, and
buck-boost-type ac-ac converters. The proposed converters are implemented with a series …

Novel family of single-stage buck–boost inverters based on unfolding circuit

O Husev, O Matiushkin… - … on Power Electronics, 2018‏ - ieeexplore.ieee.org
This paper describes a novel family of single-phase single-stage buck-boost inverters using
output unfolding circuits. Operation principles and component design guidelines along with …

Three-phase three-limb coupled inductor for three-phase direct PWM AC–AC converters solving commutation problem

AA Khan, H Cha, HG Kim - IEEE Transactions on Industrial …, 2015‏ - ieeexplore.ieee.org
In this paper, a family of three-phase direct pulse-width modulated (PWM) ac–ac converters
consisting of buck, boost, and buck–boost converters is proposed. The proposed converters …

Direct AC–AC converters using commercial power modules applied to voltage restorers

TB Soeiro, CA Petry, JC Fagundes… - IEEE Transactions on …, 2010‏ - ieeexplore.ieee.org
The focus of this paper is the study of direct alternating-current (ac)-ac converters, beginning
by buck, half-bridge, full-bridge, and push-pull converters. From the basic converters, we …

Multi-fed power electronic transformer for use in modern distribution systems

JP Contreras, JM Ramirez - IEEE Transactions on Smart Grid, 2014‏ - ieeexplore.ieee.org
This paper presents a Multi-Fed Power Electronic Transformer (MF-PET) for use in power
distribution electrical systems. The MF-PET is a power electronic transformer with two or …

AC–AC hybrid boost switched-capacitor converter

MS Dall'Asta, I Barbi, TB Lazzarin - IEEE Transactions on …, 2020‏ - ieeexplore.ieee.org
In this article, a hybrid boost switched-capacitor converter operating as an ac–ac solid-state
autotransformer is presented. The topology integrates a basic inductive switching cell and a …

Elimination of filter inductor in switching cell AC–AC converters using magnetic integration

AA Khan, H Cha, HF Ahmed… - IEEE Transactions on …, 2015‏ - ieeexplore.ieee.org
The switching cell (SC) direct pulse width modulation ac-ac converters have several
advantages; in particular, they do not experience commutation issues, are not susceptible to …

Constant switching frequency‐based delta‐sigma modulation of single‐phase AC–AC zeta converter

N Jeelani, A Hamid Bhat - International Journal of Circuit …, 2023‏ - Wiley Online Library
Direct pulse width modulated (PWM) AC–AC converters, derived from their DC–DC
counterparts, serve as promising media for AC–AC power conversion because they offer …

A transformerless active voltage quality regulator with the parasitic boost circuit

Y Lu, G **ao, B Lei, X Wu, S Zhu - IEEE Transactions on Power …, 2013‏ - ieeexplore.ieee.org
Voltage sags have always been a huge threat to sensitive industrial and commercial
electrical consumers, and deep sags with long duration time are usually more intolerable. In …

A single-phase direct buck-boost AC–AC converter with minimum number of components

F Adel, AE Lashine, AE El-Sabbe, DSM Osheba - Scientific Reports, 2023‏ - nature.com
In this paper, a single-phase direct pulse width modulation (PWM) buck-boost AC–AC
converter is proposed. The proposed converter utilizes a minimum number of semiconductor …