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The Question of Energy-Efficient Design of the Automated Electric Drive of Multi-Engine Belt Conveyors [PDF]

open access: yesMATEC Web of Conferences, 2015
The article proposes a method for improving the energy efficiency of multi-motor variable frequency electric drives of trunk belt conveyors, based on the conveyor speed changing and controlling of the magnetic state of the motor.
Semykina Irina, Zavyalov Valery
doaj   +3 more sources

Evaluation of variable speed drives to improve energy efficiency and reduce gas emissions: Case study [PDF]

open access: yesChemical Industry and Chemical Engineering Quarterly, 2023
Variable speed drives are the most promising technique for reducing electric motors' energy consumption. This paper discusses energy savings by installing variable speed drives to control rotating equipment motors such as pumps, compressors, blowers, and
Sadek Mohamed   +2 more
doaj   +1 more source

First-Order-Delay-Controlled Slip-Angular Frequency for the Dynamic Performance of an Indirect-Field-Orientation-Controlled Induction Motor-Driving Inertial Load

open access: yesIEEE Open Journal of Industry Applications, 2023
Sophisticated torque-current control is required in inertial load-drive applications, such as in electric vehicles and electric railway vehicles, over a wide speed range.
Masaki Nagataki   +3 more
doaj   +1 more source

Online Auto-Tuning Method in Field-Orientation-Controlled Induction Motor Driving Inertial Load

open access: yesIEEE Open Journal of Industry Applications, 2022
Feed-forward current control, which employs a single-pulse mode of inverters over a wide speed range, is applied in inertial load drive applications such as electric vehicles and electric railway vehicles.
Masaki Nagataki   +4 more
doaj   +1 more source

Primary Frequency Control Using Motor Drives for Short Term Grid Disturbances

open access: yesIEEE Open Journal of Industry Applications, 2021
Industrial motor systems make up a quarter of all electric sales in the United States. Variable speed drives (VSDs) can provide energy efficiency savings to the customer by regulating motor speed based on specific and varying needs.
Taylor L. Short   +6 more
doaj   +1 more source

Hydraulic Switching Control Supplementing Speed Variable Hydraulic Drives

open access: yesActuators, 2020
Primary control of linear motion by variable speed electric motors driving a hydraulic cylinder via a constant displacement pump is an established and successful concept with a frequent use in industry.
Philipp Zagar   +3 more
doaj   +1 more source

A variable frequency injection method for modular multilevel converters in variable speed drives

open access: yesEnergy Reports, 2023
Modular multilevel converter (MMC) is a novel circuit that has appeared in the last few decades, and has been extensively applied to medium/high voltage scenarios, especially in motor drive owing to its scalability and easy to supply a higher number of ...
Guanlong Jia   +4 more
doaj   +1 more source

Research of working capacity of pulsed variable-speed drives [PDF]

open access: yesMATEC Web of Conferences, 2019
The paper presents the results of experimental researches of the basic working capacity characteristics of pulsed variable-speed drives - gear ratio, efficiency factor, and reliability of the eccentric free-wheel mechanisms When conducting research, the ...
Sharkov Oleg   +2 more
doaj   +1 more source

Optimal Regulation of Pumping Station in Water Distribution Networks Using Constant and Variable Speed Pumps: A Technical and Economical Comparison

open access: yesEnergies, 2020
Greenhouse gas emission is one of the main environmental issues of today, and energy savings in all industries contribute to reducing energy demand, implying, in turn, less carbon emissions into the atmosphere.
Luigi Cimorelli   +3 more
doaj   +1 more source

Application of Matrix VFD for Power Factor Improvement in LED Lighting Sources Loaded Power Distribution Lines

open access: yesEnergies, 2021
In this paper, a novel approach to matrix-converter-based variable frequency drives is presented. It is proposed that these drives are used to provide or draw out reactive power from the power distribution line, keeping the power factor close to unit and,
Gytis Petrauskas, Gytis Svinkunas
doaj   +1 more source

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