Experimental Comparison Between Induction and Synchronous Reluctance Motor-Drives

Villan, M.; Tursini, M.; Popescu, Mircea; Fabri, G.; Credo, Andrea; Leonardo, Lino Di

doi:10.1109/icelmach.2018.8506983

Cited by 23 publications

(11 citation statements)

References 9 publications

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“…In case of issues during the measurement process, γ could be lower than 0.95 [14]; in this case, the operator is recommended to remove the worst measurement point from (5), and it is asked to process the regression again. If the new value of γ is ≥0.95, this new regression is acceptable; otherwise, the measurement results are not satisfactory, and the whole measurement process is repeated, also investigating the possible causes of the issues that have involved low-accuracy results.…”

Section: The Case Of the Uncertainty Propagation In The Estimation Ofmentioning

confidence: 99%

“…Due to the number of quantities to be measured when applying the indirect method, some critical issues can arise when estimating relative uncertainties. This analysis has implications both in terms of the measurement procedure and in terms of the instrumentation to be adopted [4][5][6][7][8][9][10]. In this paper, a summary of the evolution of the IEC standards, which has led to the current version of IEC 60034-2-1, is presented.…”

Section: Introductionmentioning

confidence: 99%

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The Measurement of Additional Losses in Induction Motors: Discussion about the Actually Achievable Uncertainty

et al. 2019

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In this paper, a discussion is presented concerning the combined uncertainty when measuring residual and additional losses in the efficiency evaluation of three-phase induction motors, by evaluating some experimental results obtained on a commercial motor. The IEC 60034-2-1 standard is considered, in comparison to a previous version of this standard requiring the estimation of residual losses instead of their measurement. A major goal is to investigate if the complex measurement method introduced in the present version of the standard is justified or not by processing the actually achievable uncertainty both in additional losses and in the overall efficiency measurement. Finally, some considerations are presented about additional issues concerning the classification of the tested motor, in comparison to the IE (International Efficiency) efficiency levels.

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Section: The Case Of the Uncertainty Propagation In The Estimation Ofmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Measurement of Additional Losses in Induction Motors: Discussion about the Actually Achievable Uncertainty

et al. 2019

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“…for electric and hybrid vehicles due to their simple and rugged construction. The main advantage of the SynRel relies on the absence of the rotor cage losses or PM losses, allowing a continuous torque higher than the torque of an Induction Motor (IM) of the same size [8].…”

Section: Introductionmentioning

confidence: 99%

High Speed Synchronous Reluctance Motors for Electric Vehicles: a Focus on Rotor Mechanical Design

Credo

Fabri

Villani

et al. 2019

2019 IEEE International Electric Machines &Amp; Drives Conference (IEMDC)

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This paper deals with the design of high-speed Synchronous Reluctance motors for electric vehicle applications. The need to enhance power density and lowering costs leads to the design of high speed motors with a reduced amount of rare earth. Pure synchronous reluctance motors potentially operate at high speed and exhibit a low cost rotor compared to PM and induction motors. Nevertheless, they present reduced performances in deep flux weakening operations in particular when the so-called radial ribs are introduced to increase the mechanical robustness of the rotor. In this paper the adoption of the radial ribs in the related design challenges are investigated and discussed. The adoption of a suitable commercial optimization tool able to optimize the placement and the sizing of the radial ribs is presented. The approach leads to an original positioning of the radial ribs able to preserve the performances of the motor at high operating speed enhancing the mechanical integrity of the rotor.

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“…Respect to PM synchronous motors, Induction Motors (IMs) can allow for a better average efficiency in variable load conditions and easier flux-weakening capability useful for speed range extension thanks to the absence of the need for field weakening current. Moreover, the absence of rare earth magnets ensures the industrial feasibility for mass production, focused on the low cost of the manufacturing technologies, [5]. Field-oriented control combined with optimization strategies allows to reach the maximum performances that induction motors can provide, and dynamics simulation is a relevant step to evaluate the drive capability before prototyping, [6] [7].…”

Section: Introductionmentioning

confidence: 99%

Finite Elements Model Co-Simulation of an Induction Motor Drive for Traction Application

Leonardo

Popescu

Tursini

et al. 2019

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society

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This paper presents the results obtained by the finite elements model co-simulation technique in the transient analysis of an electric drive for advanced traction applications. The case study refers to a 200kW induction motor drive designed for a premium electric vehicle in the frame of the Horizon 2020 "ReFreeDrive" project (Rare earth Free e-Drives featuring low cost manufacturing). The transient performance and the operating limits are evaluated when a field-oriented control strategy based on the lumped parameters model of the machine is used. The co-simulation involves the ANSYS/Simplorer and MATLAB/Simulink environments. The finite element motor model developed in ANSYS is controlled by the rotor flux-oriented controller with axes decoupling built in Simulink. A lumped parameters motor model is also derived to design the control parameters and implemented in Simulink for comparison respect to the co-simulation approach. The results highlight the influence of the controller detuning for the correct prediction of the voltage limit operation at steady state.

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Experimental Comparison Between Induction and Synchronous Reluctance Motor-Drives

Cited by 23 publications

References 9 publications

The Measurement of Additional Losses in Induction Motors: Discussion about the Actually Achievable Uncertainty

The Measurement of Additional Losses in Induction Motors: Discussion about the Actually Achievable Uncertainty

High Speed Synchronous Reluctance Motors for Electric Vehicles: a Focus on Rotor Mechanical Design

Finite Elements Model Co-Simulation of an Induction Motor Drive for Traction Application

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