Trade-off analysis and design of a high power density PM machine for flooded industrial pump

Al-Timimy, Ahmed; Xu, Zeyuan; Calzo, Giovanni Lo; Giangrande, Paolo; Galea, Michael; Gerada, Chris; Zhang, He; Xia, L.

doi:10.1109/iecon.2016.7793385

Cited by 19 publications

(25 citation statements)

References 13 publications

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“…The success of the SRM relies on its inherent fault tolerance capability and rotor robustness [67][68][69][70][71]. Indeed, adopting a multiphase design, together with the power segmentation approach (i.e.…”

Section: Unconventional Systemsmentioning

confidence: 99%

Electrical Power Generation in Aircraft: Review, Challenges, and Opportunities

Madonna

Giangrande

Galea

2018

IEEE Trans. Transp. Electrific.

479

194

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Abstract-The constant growth of air traffic, the demand for performance optimization and the need for decreasing both operating and maintenance costs have encouraged the aircraft industry to move towards more electric solutions. As a result of this trend, electric power required on board of aircraft has significantly increased through the years, causing major changes in electric power system architectures. Considering this scenario, the paper gives a review about the evolution of electric power generation systems in aircraft. The major achievements are highlighted and the rationale behind some significant developments discussed. After a brief historical overview of the early DC generators (both wind-and engine-driven), the reasons which brought the definitive passage to the AC generation, for larger aircraft, are presented and explained. Several AC generation systems are investigated with particular attention being focused on the voltage levels and the generator technology. Further, examples of commercial aircraft implementing AC generation systems are provided. Finally, the trends towards modern generation systems are also considered giving prominence to their challenges and feasibility.

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Section: Unconventional Systemsmentioning

confidence: 99%

Electrical Power Generation in Aircraft: Review, Challenges, and Opportunities

Madonna

Giangrande

Galea

2018

IEEE Trans. Transp. Electrific.

479

194

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“…Despite its inherent unbalanced magnetic pull (UMP), the 9 slots / 8 pole combination has been preferred due to its superior performance in terms of torque ripple and efficiency [4], as resulting from the trade-off study [12]. Fig.…”

Section: Machine Design and Considerationsmentioning

confidence: 99%

“…In previous research work [4,12], a PMSM with 8 poles and 9 slots has been developed for the motor driven pump application after an extensive analysis, including a combined electromagnetic, thermal and mechanical design. Despite its inherent unbalanced magnetic pull (UMP), the 9 slots / 8 pole combination has been preferred due to its superior performance in terms of torque ripple and efficiency [4], as resulting from the trade-off study [12].…”

Section: Machine Design and Considerationsmentioning

confidence: 99%

Design and Losses Analysis of a High Power Density Machine for Flooded Pump Applications

Al-Timimy

Giangrande

Degano

et al. 2018

IEEE Trans. on Ind. Applicat.

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Abstract-This paper describes the design process of a 10 kW 19000 rpm high power density surface mounted permanent magnet synchronous machine for a directly coupled pump application. In order to meet the required specifications, a compact machine, with cooling channels inside the slots and flooded airgap, has been designed through finite element optimization. For high power density, high speed machines, an accurate evaluation of the power losses and the electromechanical performance is always extremely challenging. In this case, the completely flooded application adds to the general complexity. Therefore this paper deals with a detailed losses analysis (copper, core, eddy current and mechanical losses) considering several operating conditions. The experimental measurements of AC copper losses as well as the material properties (BH curve and specific core losses), including the manufacturing process effect on the stator core, are presented. Accurate 3D finite element models and computational fluid dynamics analysis have been used to determine the eddy current losses in the rotor and windage losses respectively. Based on these detailed analysis, the no load and full load performance are evaluated. The experimental results, on the manufactured prototype, are finally presented to validate the machine design.Index Terms-High power density, high speed, losses calculation, performance analysis, permanent magnet motors.

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“…Based on the design requirements and constraints presented in previous works [18] and [19], an 8-pole/9-slot PMSM has been designed and optimized. In [20] the thermal management for the designed PMSM has been investigated in detail.…”

Section: The Baseline Machinementioning

confidence: 99%

“…The main aim of this paper is thus to investigate the aforementioned manufacturing effects on electrical machine design and their overall performance. As vessel to investigate these effects, a previously developed 9-slot/8-pole, permanent magnet synchronous motor (PMSM) [18,19] for an aerospace pump application is considered. In order to do this, three main data sets (DS) of material properties are used, namely DS1 -The data provided by the material supplier for the laminated sheet steel (as provided in the data sheet).…”

Section: Introductionmentioning

confidence: 99%

Considerations on the Effects That Core Material Machining Has on an Electrical Machine's Performance

Al-Timimy

Vakil

Degano

et al. 2018

IEEE Trans. Energy Convers.

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Abstract--An often-overlooked aspect during the development process of electrical machines, is the validity and accuracy of the machine material properties being used at the design stage. Designers usually consider the data provided by the materials supplier, which is measured on material in an unprocessed state. However, the fact that the machining processes required to produce the finished product (e.g. the stator core) can permanently vary the material properties is very often neglected. This paper therefore deals with and investigates the effects that such processes can have on the overall machine performance. To do this, three sets of material data, based on 1) the materials suppliers' data, 2) materials data based on conventional characterization methods and 3) materials data based on test samples that include the manufacturing processes, are used to develop three versions of the same baseline machine. The results of these three machines are then compared and the resulting variations of the machine's performance presented and described.The chosen baseline machine is a high performance and relatively high speed, aerospace, electrical machine. Special attention is focused on the efficiency maps of the machine as this aspect is highly dependent on the material properties that are the most sensitive to manufacturing processes such as the material's anhysteretic BH curve and its specific core loss.Index Terms--magnetic materials, manufacturing processes, performance analysis, permanent magnet motors.

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Trade-off analysis and design of a high power density PM machine for flooded industrial pump

Cited by 19 publications

References 13 publications

Electrical Power Generation in Aircraft: Review, Challenges, and Opportunities

Electrical Power Generation in Aircraft: Review, Challenges, and Opportunities

Design and Losses Analysis of a High Power Density Machine for Flooded Pump Applications

Considerations on the Effects That Core Material Machining Has on an Electrical Machine's Performance

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