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High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole...
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High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines)

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Electrical and Autonomous Vehicles".

Deadline for manuscript submissions: closed (20 June 2022) | Viewed by 16007

Special Issue Editors

Prof. Dr. Wei Hua

E-Mail Website
Guest Editor
School of Electrical Engineering, Southeast University, Nanjing 210096, China
Interests: design, analysis, and control of electrical machines; fault-tolerant control; sensorless motor drives; model predictive control; hybrid and electric vehicles
Special Issues, Collections and Topics in MDPI journals
Dr. David Gerada

E-Mail Website
Guest Editor
Power Electronics, Machines and Control (PEMC) Group, Faculty of Engineering, University of Nottingham, Nottingham, NG7 2RD, UK
Interests: high speed traction machines; intensive cooling of electrical machines; novel material technology for electric machines; mechatronics
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Yacine Amara

E-Mail Website
Guest Editor
Groupe de Recherche en Electrotechnique et Automatique du Havre (GREAH), Université Le Havre Normandie (ULHN), 76600 Le Havre, France
Interests: electrical machines; modelling, design, analysis, control, radial field, and axial field rotating machines; flat and tubular linear machines; hybrid excited synchronous machines; flux switching structures; transport applications; renewable energy applications
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

With the ever-growing development of electric-drive-based transport, high-performance electric drives are being driven to unprecedented performance metrics, including the achievement of high torque (power) density and high efficiencies over a wide speed range, together with ensuring reliable operation over their lifetime. Numerous novel electrical machines and control strategies are emerging to address these challenges. In this Special Issue, contributions on high-performance electric drives for transport applications are welcome, including machine topologies (such as high-speed machines, high pole number machines, high frequency machines), control strategies, power converter topologies, performance analysis, multidomain design optimisation, thermal improvement techniques, component light-weighting, reliability, etc.

Prof. Dr. Wei Hua
Dr. David Gerada
Prof. Dr. Yacine Amara
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Electronics is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • High speed
  • High pole number
  • High frequency
  • Additive manufacturing
  • Cooling techniques
  • Materials
  • Reliability
  • Transport

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Published Papers (5 papers)

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Research

15 pages, 6569 KiB  
Article
Low-Voltage, High-Frequency Synchronous Motor for Aerospace Applications
by Daniel Matt, Lorenzo Piscini, Nadhem Boubaker, Anthony Gimeno, Philippe Enrici and Mourad Aitakkache
Electronics 2022, 11(17), 2719; https://doi.org/10.3390/electronics11172719 - 30 Aug 2022
Cited by 1 | Viewed by 2011
Abstract
This article details the design of a permanent magnet synchronous electric motor prototype dedicated to the direct drive of the propeller for VTOL (Vertical Take-Off and Landing) and CTOL (Conventional Take-off and Landing) aircrafts. Our main aim is to maximise the power-to-weight ratio [...] Read more.
This article details the design of a permanent magnet synchronous electric motor prototype dedicated to the direct drive of the propeller for VTOL (Vertical Take-Off and Landing) and CTOL (Conventional Take-off and Landing) aircrafts. Our main aim is to maximise the power-to-weight ratio whilst not compromising the efficiency and the reliability. The originality of the research is based on the implementation of an armature winding using solid copper bars; we show that it is possible to use such an approach in an electric machine operating at very high frequency (1800 Hz) through a precise study on the shape of the bars to counter the additional losses. A prototype has been successfully manufactured; manufacturing details and some of the experimental test results are presented here. Full article
(This article belongs to the Special Issue High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines))
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14 pages, 5038 KiB  
Article
Performance Entitlement by Using Novel High Strength Electrical Steels and Copper Alloys for High-Speed Laminated Rotor Induction Machines
by Fengyu Zhang, David Gerada, Zeyuan Xu, Yuling He, He Zhang, Wei Hua and Chris Gerada
Electronics 2022, 11(2), 210; https://doi.org/10.3390/electronics11020210 - 10 Jan 2022
Cited by 4 | Viewed by 2692
Abstract
The laminated rotor Induction Machine (IM), with its simple construction and manufacturing, robustness, ease of control and comparatively lower cost remains by far the most utilized electromechanical energy converter. At very high speeds, traditionally its use is considered to be limited to the [...] Read more.
The laminated rotor Induction Machine (IM), with its simple construction and manufacturing, robustness, ease of control and comparatively lower cost remains by far the most utilized electromechanical energy converter. At very high speeds, traditionally its use is considered to be limited to the previously established operational limits of 2.5 × 105 rpm√kW, beyond which the surface Permanent Magnet (PM) Machine and the solid rotor Induction Machine become the machines available for consideration. The aforesaid limits are derived from the use of classic materials. This paper reviews the recent developments in electrical steels and copper alloys and translates these into the resulting performance entitlement and operational limits through a case study involving a marine application, for which an existing rare-earth PM machine is in use. It is concluded that with novel materials, laminated rotor induction machines can be operated up to 6 × 105 rpm√kW, thus opening the use of the rare-earth free Induction Machine for a wider application range previously limited to PM machines. Full article
(This article belongs to the Special Issue High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines))
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15 pages, 6461 KiB  
Article
A Novel Three-Vector-Based Model Predictive Direct Power Control for Three-Phase PWM Rectifier
by Liuchen Tai, Mingyao Lin, Hui Li and Yongsheng Li
Electronics 2021, 10(21), 2579; https://doi.org/10.3390/electronics10212579 - 21 Oct 2021
Cited by 9 | Viewed by 2536
Abstract
A novel strategy of three-vector-based model predictive direct power control (MPDPC) is proposed for three-phase Pulse-width Modulation (PWM) rectifier. Under ideal grid conditions, three-vector MPDPC is studied, and a good control effect has been achieved. However, under the unbalanced power grid condition, the [...] Read more.
A novel strategy of three-vector-based model predictive direct power control (MPDPC) is proposed for three-phase Pulse-width Modulation (PWM) rectifier. Under ideal grid conditions, three-vector MPDPC is studied, and a good control effect has been achieved. However, under the unbalanced power grid condition, the traditional control strategy has some problems, such as a high harmonic content of current and large instantaneous power pulsation. A new three-vector model predictive control is proposed based on the new instantaneous power theory, and the objective function is established by instantaneous power error. The duty cycle of the selected vector is calculated by solving the optimal objective function. Under an unbalanced power grid, this paper takes a three-phase PWM rectifier as a research object, and carries out simulation and experimental tests on the traditional and new control strategies. The experimental results show that the new control strategy has lower current harmonics, and eliminates the twice grid-frequency oscillation of the grid in instantaneous power. Full article
(This article belongs to the Special Issue High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines))
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15 pages, 35098 KiB  
Article
Synchronous Control Strategy with Input Voltage Feedforward for a Four-Switch Buck-Boost Converter Used in a Variable-Speed PMSG Energy Storage System
by Liuchen Tai, Mingyao Lin, Jianhua Wang and Chongsheng Hou
Electronics 2021, 10(19), 2375; https://doi.org/10.3390/electronics10192375 - 28 Sep 2021
Cited by 6 | Viewed by 3244
Abstract
The four-switch Buck-Boost (FSBB) converter can produce voltage conversion within a wide input voltage range, which is suitable for variable-speed permanent magnet synchronous generator (PMSG) energy storage systems with AC inputs and DC outputs. To reduce the interference of input voltage fluctuation on [...] Read more.
The four-switch Buck-Boost (FSBB) converter can produce voltage conversion within a wide input voltage range, which is suitable for variable-speed permanent magnet synchronous generator (PMSG) energy storage systems with AC inputs and DC outputs. To reduce the interference of input voltage fluctuation on the performance of the FSBB converter, an input voltage feedforward (IVFF) compensation method is proposed in this paper. The switching synchronization strategy is simple. Using the switching average model, the small signal model of a non-ideal FSBB converter in all working modes is established. The effects of input voltage, load current, damping coefficient and right half plane (RHP) zero on the stability of the control system are analyzed in detail. The transfer function of the IVFF of the FSBB converter is derived, and the relationship between input voltage, load current and duty cycle is analyzed. Finally, the design of the parameters of the converter control system is presented. The simulation and experimental results show that this FSBB converter has high efficiency and a good transient response. Full article
(This article belongs to the Special Issue High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines))
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24 pages, 32417 KiB  
Article
Multidisciplinary Design Optimization of the Actuation System of a Hybrid Electric Aircraft Powertrain
by Matthieu Pettes-Duler, Xavier Roboam, Bruno Sareni, Yvan Lefevre, Jean-François Llibre and Matthieu Fénot
Electronics 2021, 10(11), 1297; https://doi.org/10.3390/electronics10111297 - 29 May 2021
Cited by 8 | Viewed by 3711
Abstract
In the context of hybrid electric and full electric powertrains for future less-pollutant aircrafts, this paper focuses on the multidisciplinary design optimization (MDO) of the actuation system, including a surface-mounted PMSM in order to maximize the power density of the device: this study [...] Read more.
In the context of hybrid electric and full electric powertrains for future less-pollutant aircrafts, this paper focuses on the multidisciplinary design optimization (MDO) of the actuation system, including a surface-mounted PMSM in order to maximize the power density of the device: this study is a preliminary approach before integrating the whole powertrain. After an introduction of the MDO context, the analytical model of the electric motor is detailed. It integrates multi-physical aspects (electric, magnetic, mechanical, thermal, partial discharges and insulation, control and flight mission) and takes several heterogeneous design constraints into account. The optimization method involves a genetic algorithm allowing the reduction of the actuation weight with regard to a wide set of constraints. The results show the crucial sensitivity of the electro-thermal coupling, especially the importance of transient modes during flight sequences due to thermal capacitance effects. Another major point is related to the performance of the thermal cooling, which requires the introduction of an “internal cooling” in the stator slots in addition to the “base cooling” for stator and rotor. Gathering these analyses, the MDO leads to high power density actuators beyond 15 kW/kg with high-voltage–high-speed solutions, satisfying all design constraints (insulation, thermal, magnet demagnetization) over the flight mission. Full article
(This article belongs to the Special Issue High-Performance Electric Drives for Transport Applications (High-Speed Machines, High Pole Number Machines, High Frequency Machines))
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