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Choosing variable-frequency drive systems for the mining process units [PDF]

open access: yesE3S Web of Conferences, 2021
Mining enterprises are energy intensive facilities. The capacity of single technological units can reach 5 MW. Variable-frequency drive systems are often used to set them in motion. The paper analyzes the features of choosing and using variable-frequency
Kugusheva Natalia   +5 more
doaj   +2 more sources

TECHNICAL AND ECONOMIC FEASIBILITY OF USING A VARIABLE-FREQUENCY DRIVE IN MICRO-IRRIGATION SYSTEMS [PDF]

open access: yesEngenharia Agrícola, 2021
Irrigation is essential for the development of crops in regions with scarcity or irregular rainfall distribution, enabling high productivity. However, the use of water resources and electrical energy leads to a concern with irrigation efficiency ...
Marinaldo F. Pinto   +4 more
doaj   +2 more sources

Adaptive Control Strategy for a Pumping System Using a Variable Frequency Drive

open access: yesMachines, 2023
Currently, the most implemented solution for driving a pumping system (PS) at variable speed is using a variable frequency drive (VFD). Because most of the VFDs have integrated only one proportional-integral (PI) frequency controller whose parameters ...
Dorin Bordeasu   +3 more
doaj   +2 more sources

Improved Order Tracking in Vibration Data Utilizing Variable Frequency Drive Signature [PDF]

open access: yesSensors
Variable frequency drives (VFDs) are widely used in industry as an efficient means to control the rotational speed of AC motors by varying the supply frequency to the motor.
Nader Sawalhi
doaj   +2 more sources

Examination of Composite Load and Variable Frequency Drive Air Conditioning Modeling on FIDVR

open access: yesIEEE Open Access Journal of Power and Energy, 2021
Fault induced delayed voltage recovery (FIDVR) is a credible concern in power systems with high penetration of single-phase air conditioner loads. Power system planning studies use dynamic load models, such as the Western Electricity Coordinating Council
Adriana Cisco Sullberg   +4 more
doaj   +2 more sources

Current Control of Electrolytic Capacitor-Less Variable Frequency Drive System for Synchronous Reluctance Motors Based on Power Balancing and Compensation

open access: yesIEEE Access
The electrolytic capacitor-less variable frequency drive scheme using film capacitors to replace electrolytic capacitors has been partially applied in the field of washing machines and air conditioners driven by permanent magnet synchronous motors, due ...
Weican Yan   +5 more
doaj   +2 more sources

Optimization of a variable frequency drive pump working on a water tower [PDF]

open access: yesE3S Web of Conferences, 2019
The development of the existing water supply system in towns and villages involves the use of frequency converters and specialized control algorithms that can maintain the pressure level established in the supply grid within certain limits.
Hruntovich N.V.   +4 more
doaj   +2 more sources

Technical analysis of flameproof function of variable frequency drive system used in explosive atmosphere

open access: yesMeikuang Anquan, 2021
Compared with the ordinary electric drive system, there is a wide range of explosive environment formed by flammable mixtures in modern industrial production such as coal mines and petrochemicals.
LI Shiguang   +4 more
doaj   +1 more source

Electromechanical Coupling Dynamic Characteristics of Differential Speed Regulation System Considering Inverter Harmonics Under Variable Operating Conditions

open access: yesIEEE Access, 2022
The differential speed regulation system driven by inverters, motors and differential gear trains is a complex electromechanical system that achieves speed regulation and energy savings efficiently and economically.
Dianrui Wang   +4 more
doaj   +1 more source

Effect of Variable Frequency Drive and Pipe Materials on Guava Juice Flow [PDF]

open access: yesArab Universities Journal of Agricultural Sciences, 2022
In this study, a designed variable frequency drive (VFD) was used to control a single-phase induction motor’s speed to pump guava juice at two solid concentrations (9°Bx and 11°Bx).
Shereen Shalaby   +3 more
doaj   +1 more source

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