Search results for "Magnetic characteristic"

showing 5 items of 5 documents

A Saturation Model of the Synchronous Reluctance Motor and its Identification by Genetic Algorithms

2018

This paper proposes a complete saturation model of the Synchronous Reluctance Motor (Syn1231), accounting for both the self-saturation and cross-saturation effects. This model is based on an analytical relationship between the stator flux and current components, and is characterized by parameters presenting an interesting physical interpretation, differently from many other saturation model in the scientific literature. It proposes also an identification technique of such a model based on stand-still tests, without the need of locking the rotor. The proposed saturation model permits the complete description of the magnetic behaviour of the machine with 8 parameters, fewer than those require…

IdentificationComputer simulationComputer scienceStator05 social sciences020207 software engineering02 engineering and technologylaw.inventionSettore ING-INF/04 - AutomaticaControl theorylawMagnetic characteristicParameters' estimationGenetic algorithm0202 electrical engineering electronic engineering information engineeringSuperimposition0501 psychology and cognitive sciencesMagnetic characteristicsSynchronous Reluctance Motor (SynRM)Synchronous reluctance motorSaturation (magnetic)050107 human factors2018 IEEE Energy Conversion Congress and Exposition (ECCE)
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A novel improved matlab-based software for the electric and magnetic analysis and design of rotating electrical machines

2015

The aim of this paper is to present a software for the analysis and design of windings of rotating electrical machines, considering both the electric and the magnetic specifications on the machine. The considered machines are induction motors (IM) and PM synchronous motors (PMSM). The software accounts for the case of buried magnets (IPMSM), but with some limits, because the calculations require a much more detailed analysis regarding the magnetic circuit. However, this initial limitation of the software, that will be removed in a later version, does not constitute a major limitation as confirmed by the examples presented in this paper.

magnetic characteristicElectric motorEngineeringair gap flux densitybusiness.industryControl engineeringStator windingSettore ING-IND/32 - Convertitori Macchine E Azionamenti ElettriciAC motorwindingMagnetic circuitSoftwareRotorElectromagnetic coilMagnetMATLAB®winding factorsbusinessSynchronous motorAir gapHarmonic analysiSoftwareInduction motoroftware2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)
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Space‐vector state dynamic model of SynRM considering self‐ and cross‐saturation and related parameter identification

2020

This study proposes a state formulation of the space-vector dynamic model of the Synchronous Reluctance Motor (SynRM) considering both saturation and cross-saturation effects. The proposed model adopts the stator currents as state variables and has been theoretically developed in both the rotor and stator reference frames. The proposed magnetic model is based on a flux versus current approach and relies on the knowledge of 11 parameters. Starting from the definition of a suitable co-energy variation function, new flux versus current functions have been initially developed, based on the hyperbolic functions and, consequently, the static and dynamic inductance versus current functions have be…

010302 applied physicsState variableComputer simulationComputer scienceStatorEstimation theoryRotor (electric)020208 electrical & electronic engineeringHyperbolic function02 engineering and technology01 natural scienceslaw.inventionInductanceError functionSettore ING-INF/04 - AutomaticaControl theorylaw0103 physical sciences0202 electrical engineering electronic engineering information engineeringSynchronous Reluctance Motor (SynRM) Space-vector dynamic model Parameter estimation Magnetic characteristicsElectrical and Electronic EngineeringIET Electric Power Applications
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A Nonlinear Observer for Rotor Flux Estimation of Induction Motor Considering the Estimated Magnetization Characteristic

2017

This paper proposes a nonlinear observer for induction machine drives based on space-vector dynamic model of induction machine, expressed in state form, which presents the peculiarity of taking into consideration the magnetic saturation of the iron core. This observer is particularly suitable in order to obtain high accuracy in rotor flux estimation, in both amplitude and phase position, during working conditions characterized by varying flux, among which the most important are those during electrical losses minimization. A Lyapunov-based convergence analysis is proposed in order to suitably compute the numerical observer gain guaranteeing the convergence of the estimation error. The propos…

Lyapunov functionEngineeringmagnetic characteristic estimationObserver (quantum physics)magnetic020209 energy02 engineering and technologyflux varying approachIndustrial and Manufacturing Engineeringsymbols.namesakeSettore ING-INF/04 - AutomaticaControl theoryConvergence (routing)nonlinear observer0202 electrical engineering electronic engineering information engineeringState observerElectrical and Electronic EngineeringInduction motorAlpha beta filterbusiness.industry020208 electrical & electronic engineeringLinearitySaturationAmplitudeControl and Systems Engineeringsymbolsminimum-losses/maximum-efficiencyminimum- losses/maximum-efficiencybusinessInduction motor
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A Space-Vector State Dynamic Model of the Synchronous Reluctance Motor Including Self and Cross-Saturation Effects and its Parameters Estimation

2018

This paper proposes a space-vector dynamic model of the Synchronous Reluctance Motor (SynRM) including both self-saturation and cross-saturation effects and selecting as state variables the stator currents. The proposed dynamic model is based on an original function between the stator flux and stator current components, and relies on 8 coefficients (fewer than other models in the scientific literature), presenting an interesting physical interpretation. Starting from this approach, both the static and dynamic inductances expressions of the model have been analytically developed, so that the reciprocity conditions for the cross saturation is satisfied. This paper presents also a technique fo…

State variableComputer simulationStatorComputer scienceEstimation theorySpace-vector dynamic model05 social sciences020207 software engineering02 engineering and technologylaw.inventionError functionSettore ING-INF/04 - AutomaticalawControl theoryParameters' estimation0202 electrical engineering electronic engineering information engineering0501 psychology and cognitive sciencesMinificationSynchronous Reluctance Motor (SynRM)Magnetic characteristicsSynchronous reluctance motorSaturation (magnetic)050107 human factors2018 IEEE Energy Conversion Congress and Exposition (ECCE)
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