Results 1 to 10 of about 57,952 (266)

Application of Novel AC–AC Matrix VFD for Power Factor Improvement in Conventional AC–DC–AC VFD-Loaded Power Distribution Lines

open access: yesElectronics, 2022
In this study, an innovative approach to matrix-converter-based AC-–AC variable frequency drives (VFDs) is introduced. The possibility of using AC–AC matrix VFDs for reactive power compensation in conventional AC–DC–AC VFD-loaded power distribution lines is investigated.
Petrauskas, Gytis   +3 more
openaire   +3 more sources

A Full-Controlled Bidirectional Dual-Stage Interleaved Converter for Interfacing AC and DC Power Grids [PDF]

open access: yesEnergies
Power grids are progressing, and the possibility of incorporating DC grids toward hybrid AC/DC grids is gaining increasing relevance, as several technologies available nowadays are operating natively in DC.
Goncalo Marques   +2 more
doaj   +2 more sources

Dynamic Influence of Wheel Flat on Fatigue Life of the Traction Motor Bearing in Vibration Environment of a Locomotive

open access: yesEnergies, 2021
Wheel flat can cause a large impact between the wheel and rail and excites a forced vibration in the locomotive and track structure systems. The working conditions and fatigue life of the motor bearings are significantly affected by the intensified wheel–
Bingbin Guo   +4 more
doaj   +1 more source

Comprehensive optimization framework for transmission expansion planning with fractional frequency transmission system

open access: yesIET Generation, Transmission & Distribution, 2023
The Fractional Frequency Transmission System (FFTS) operates with low frequency to decrease the electrical length of AC transmission lines, consequently enhancing transmission capacity.
Zhongqi Cai   +6 more
doaj   +1 more source

Design and Evaluation of Wireless Power Monitoring IoT System for AC Appliances

open access: yesEnergies, 2022
The paper is aimed to develop a wireless alternating current (AC) power monitoring module which features the advantage of cost-effectiveness and sufficient reliability for the proposed AC power monitoring Internet of Things (IoT) system.
Huan-Liang Tsai   +2 more
doaj   +1 more source

A novel axial air‐gap transverse flux switching PM generator: Design, simulation and prototyping

open access: yesIET Electric Power Applications, 2023
Wind energy as the cleanest source of renewable energy requires a highly efficient lightweight generator that provides maximum power density while having the least vibration noise and maintenance.
Aghil Ghaheri   +2 more
doaj   +1 more source

A step-down nesting-type ac–ac converter combined with voltage equalizers and switched-capacitor simple converters

open access: yesEnergy Reports, 2020
In this paper, we present an inductor-less direct ac–ac converter with improved nesting-type topology. Unlike existing direct ac–ac converters, the proposed ac–ac converter combines a voltage equalizer and a switched-capacitor (SC) simple converter ...
Kei Eguchi   +4 more
doaj   +1 more source

Intelligent Fault-Tolerant Control for AC/DC Hybrid Power System of More Electric Aircraft

open access: yesAerospace, 2021
This paper presents a novel intelligent fault-tolerant control method for a kind of more electric aircraft AC/DC hybrid electrical power system, in order to ensure the safe operation of the engine and improve the power supply quality.
Lingfei Xiao   +3 more
doaj   +1 more source

A Direct Single-Phase to Three-Phase AC/AC Power Converter

open access: yes, 2022
The traditional DC-link indirect AC/AC power converters (AC/DC/AC converters) employ two-stage power conversion, which increases the circuit complexity along with gate driving challenges, placing an excessive burden on the processor while implementing ...
Joysree Nath   +4 more
core   +1 more source

A novel reconfigurable hybrid DC-AC home technique with renewable energy resources and converters

open access: yesInternational Journal of Sustainable Engineering, 2023
A novel electrical setup for a domestic house is suggested that uses both an AC bus bar fuelled by conventional electrical utilities and a DC bus bar powered by roof-mounted solar panels.
Kannadhasan Suriyan   +7 more
doaj   +1 more source

Home - About - Disclaimer - Privacy