Results 31 to 40 of about 1,324,147 (348)

Direct adaptive current control a universal current control scheme for electrical machines

open access: yesIECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society, 2014
This paper presents a direct, adaptive and parameter-free current control scheme that is independent of the motor type and doesn't need any machine parameters. A given setpoint can be reached accurately within one switching cycle.
Liske, Andreas, Braun, Michael
openaire   +3 more sources

An Integral Battery Charger with Power Factor Correction for Electric Scooter [PDF]

open access: yes, 2009
This paper presents an integral battery charger for an electric scooter with high voltage batteries and interior-permanent-magnet motor traction drive.
Armando, Eric Giacomo   +2 more
core   +2 more sources

Dahlin-Based Fast and Robust Current Control of a PMSM in Case of Low Carrier Ratio

open access: yesIEEE Access, 2019
The low ratio of sampling frequency to electrical frequency (carrier ratio) is a challenging issue for applications, such as high-speed or high-power drives.
Stefan Walz   +3 more
doaj   +1 more source

Steady‐state power operation region of a modular multilevel converter connecting to an AC grid

open access: yesHigh Voltage, 2021
The modular multilevel converter (MMC) has become a widely used topology for voltage source converter–based high‐voltage direct current transmission projects.
Jiecong Wang   +4 more
doaj   +1 more source

DNA-based tunable THz oscillator [PDF]

open access: yes, 2008
The intrinsic double helix conformation of the DNA strands is known to be the key ingredient of control of the electric current through the DNA by the perpendicular (gate) electric field.
A.V. Malyshev   +20 more
core   +4 more sources

Femtosecond control of electric currents in metallic ferromagnetic heterostructures [PDF]

open access: yesNature Nanotechnology, 2016
The idea to use not only the charge but also the spin of electrons in the operation of electronic devices has led to the development of spintronics, causing a revolution in how information is stored and processed. A novel advancement would be to develop ultrafast spintronics using femtosecond laser pulses.
T. J. Huisman   +10 more
openaire   +5 more sources

Battery charging and discharging control of a hybrid energy system using microcontroller [PDF]

open access: yes, 2020
This study aims to control charging and discharging the battery for hybrid energy systems. The control system works by selecting the right energy source to supply voltage to the load. And also this control system can regulate charging and discharging the
Abu Bakar, Afarulrazi   +3 more
core   +3 more sources

Stability analysis and nonlinear current-limiting control design for DC micro-grids with CPLs

open access: yesIET Smart Grid, 2020
In this study, a DC micro-grid consisting of multiple paralleled energy resources interfaced by both bidirectional AC/DC and DC/DC boost converters and loaded by a constant power load (CPL) is investigated. By considering the generic dq transformation of
Andrei-Constantin Braitor   +3 more
doaj   +1 more source

An Optimal Control Algorithm with Reduced DC-Bus Current Fluctuation for Multiple Charging Modes of Electric Vehicle Charging Station

open access: yesWorld Electric Vehicle Journal, 2021
This paper presents a systematic structure and a control strategy for the electric vehicle charging station. The system uses a three-phase three-level neutral point clamped (NPC) rectifier to drive multiple three-phase three-level NPC converters to ...
Tao Chen   +6 more
doaj   +1 more source

Control of electric current by graphene edge structure engineering

open access: yes, 2009
In graphene nanoribbon junctions, the nearly perfect transmission occurs in some junctions while the zero conductance dips due to anti-resonance appear in others.
Wakabayashi, Katsunori   +1 more
core   +1 more source

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