Results 11 to 20 of about 66,003 (314)

Suppression of Second-Order Harmonic Current for Droop-Controlled Distributed Energy Resource Converters in DC Microgrids [PDF]

open access: yes, 2020
Droop-controlled distributed energy resource converters in dc microgrids usually show low output impedances. When coupled with ac systems, second-order harmonics typically appear on the dc-bus voltage, causing significant harmonic currents at the ...
Caldognetto, Tommaso   +3 more
core   +1 more source

Analysis of energy processes in pulse converters of AC electric power

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2015
The article presents the analysis of energy processes in switched-mode AC-AC converters of buck, boost and buck-boost types. The mathematical model of energy processes is obtained.
A. F. Kadatsky, A. P. Rusu
doaj   +1 more source

Integration of an Active Filter and a Single-Phase AC/DC Converter with Reduced Capacitance Requirement and Component Count [PDF]

open access: yes, 2015
Existing methods of incorporating an active filter into an AC/DC converter for eliminating electrolytic capacitors usually require extra power switches. This inevitably leads to an increased system cost and degraded energy efficiency.
Hui, SYR, Li, S, Qi, W, Tan, SC
core   +1 more source

The analysis of energy and magnetic processes in inductors switched-mode electrical energy converters

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2016
The article presents the analysis of energy and magnetic processes in core of inductors switched-mode AC-AC and DC-DC converters. The mathematical model of energy and magnetic processes in core of inductors is obtained.
А. Ф. Кадацкий   +1 more
doaj   +1 more source

Two-Port Characterization and Transfer Immittances of AC-DC Converters–Part II: Applications

open access: yesIEEE Open Journal of Power Electronics, 2021
This two-part paper presents a general method to model three-phase ac-dc converters as two-port networks for power system stability studies. Part I of the work has developed the two-port network models and identified two types of transfer characteristics
Jian Sun
doaj   +1 more source

Synthesis of input-rectifierless AC/DC converters [PDF]

open access: yes, 2004
This paper discusses the basic construction procedure and topological possibilities of creating ac/dc converters out of simple dc/dc converters. It is shown that two separately controlled dc/dc converters are sufficient for producing a regulated dc ...
Lai, YM   +4 more
core   +2 more sources

A Comprehensive Review of Power Converter Topologies and Control Methods for Electric Vehicle Fast Charging Applications

open access: yesIEEE Access, 2022
Wide-scale adoption and projected growth of electric vehicles (EVs) necessitate research and development of power electronic converters to achieve high power, low-cost, and reliable charging solutions for the EV battery.
Md Safayatullah   +4 more
doaj   +1 more source

A Bidirectional Soft-Switched DAB-Based Single-Stage Three-Phase AC–DC Converter for V2G Application [PDF]

open access: yes, 2019
In vehicle-to-grid applications, the battery charger of the electric vehicle (EV) needs to have a bidirectional power flow capability. Galvanic isolation is necessary for safety.
Baranwal, Rohit   +4 more
core   +2 more sources

Unbalanced power flow algorithm for AC&DC hybrid distribution network with diverse-controlled VSC-MTDC converts

open access: yesThe Journal of Engineering, 2019
The paper aims to propose an algorithm to calculate the power flow of an AC&DC hybrid distribution system. AC&DC distribution networks have recently attracted increasing attention, for the distributed generations (DGs) and DC loads can be integrated in ...
Dehua Chen   +4 more
doaj   +1 more source

MMC with parallel-connected MOSFETs as an alternative to wide bandgap converters for LVDC distribution networks [PDF]

open access: yes, 2017
LVDC networks offer improved conductor utilisation on existing infrastructure and reduced conversion stages, which can lead to a simpler and more efficient distribution network.
Derrick Holliday   +4 more
core   +2 more sources

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