Results 1 to 10 of about 50,552 (208)

Cross Coupling Control Strategy of Two Motors for Position Synchronization

open access: yesJournal of Harbin University of Science and Technology, 2022
Double-break high speed switch is the important equipment for the EHV transmission system, but the motor control system of the switch cannot satisfy the synchronous requirements. In order to solve the synchronous error problem of the double motors system,
ZHU Bo   +5 more
doaj   +1 more source

A Passive Decomposition Based Robust Synchronous Motion Control of Multi-Motors and Experimental Verification

open access: yesSensors, 2023
Recently, with the trend of redundancy design, the importance of synchronous motion control of multiple motors has been emphasized in various fields such as automotive, construction, and industrial engineering.
DaeYi Jung, Seulgi Kim
doaj   +1 more source

Large pumping stations as regulators of power systems modes [PDF]

open access: yesE3S Web of Conferences, 2020
The article discusses the issues of the effective use of synchronous motors installed in irrigation pumping stations. The necessary capacities for water delivery to waterless territories are given.
Nurmatov Obid
doaj   +1 more source

Topological optimization of the rotors of permanent magnet synchronous motors [PDF]

open access: yesE3S Web of Conferences, 2020
Permanent magnet synchronous motors are increasingly used in the oil industry. These motors need to be made more energy efficient. To do this, it is necessary to optimize the rotor of a synchronous motor by changing the design through topological ...
Safin Alfred, Petrov Timur
doaj   +1 more source

Self-synchronization characteristics of a class of nonlinear vibration system with asymmetrical hysteresis

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2020
The self-synchronization characteristics of the two excited motors for the nonlinear vibration system with the asymmetrical hysteresis have been proposed in the exceptional circumstances of cutting off the power supply of one of the two excited motors ...
Nan Zhang
doaj   +1 more source

Feasibility Study of Direct-on-Line Energy-Efficient Motors in a Pumping Unit, Considering Reactive Power Compensation

open access: yesMathematics, 2021
The paper compares the economic effect of using capacitors in fixed speed drives of a pumping station when using energy-efficient motors of various types.
Vadim Kazakbaev   +3 more
doaj   +1 more source

A sensorless initial rotor position's estimation for permanent magnet synchronous machines [PDF]

open access: yes, 2015
Permanent magnet synchronous motors for the effective start require information about the initial position of a rotor. In this regard, most systems use position sensors, which substantially increase entirely a cost of an electrical drive [1-3].
Koltun, V.   +3 more
core   +2 more sources

Synchronous Reluctance Motor vs. Induction Motor at Low-Power Industrial Applications: Design and Comparison

open access: yesEnergies, 2019
Although three-phase induction motors are the most common motor type in industry, a growing interest has arisen in emerging electric motor technologies like synchronous reluctance motors and permanent magnet motors.
Nezih Gokhan Ozcelik   +3 more
doaj   +1 more source

Analytical Approach for Estimating the Average Torque of Synchronous Motors by Using the Flux Density in the Air Gap

open access: yesEnergies, 2023
In this study, a generalized torque estimation method is proposed for synchronous motors, including surface permanent magnet synchronous motors (SPMSMs), synchronous reluctance motors (SynRMs), and interior permanent magnet synchronous motors (IPMSMs ...
Zheng-Feng Li   +5 more
doaj   +1 more source

Prediction of the electromagnetic torque in synchronous machines through Maxwell stress harmonic filter (HFT) method [PDF]

open access: yes, 2006
For the calculation of torque in synchronous motors a local method is analysed, based on the Maxwell stress theory and the filtered contributions due to the harmonics of the magnetic vector potential in the motor air-gap.
Popescu, M.
core   +1 more source

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