All Outputs (56)

A Novel Flux Barrier Parametrization for Synchronous Reluctance Machines (2021)
Journal Article

This paper presents a novel parametrization for the flux barrier profiles of synchronous reluctance and permanent magnet assisted reluctance machines. In literature there are several methods used to design rotor flux barriers of various types, howeve... Read More about A Novel Flux Barrier Parametrization for Synchronous Reluctance Machines.

Modular Power Sharing Control for Bearingless Multi-Three Phase Permanent Magnet Synchronous Machine (2021)
Journal Article

This paper proposes a modular approach to the power sharing control of permanent magnet synchronous bearingless machine. The selected machine topology features a winding layout with phases distributed into non-overlapping three phase groups, a soluti... Read More about Modular Power Sharing Control for Bearingless Multi-Three Phase Permanent Magnet Synchronous Machine.

Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B (2021)
Journal Article

Laser powder-bed fusion (L-PBF), as an additive manufacturing (AM) technique, has demonstrated excellent capabilities in achieving degrees of freedom in manufacturing that are otherwise unattainable. The potential of combining Nd-Fe-B as a permanent... Read More about Process-structure-property relationships in laser powder bed fusion of permanent magnetic Nd-Fe-B.

High Speed Synchronous Reluctance Machines: Modeling, Design and Limits (2021)
Journal Article

An important barrier to the adoption and acceptance of synchronous reluctance (SyR) machines in different applications lies in their non-standardized design procedure. The conflicting requirements incurring at high speeds among electromagnetic torque... Read More about High Speed Synchronous Reluctance Machines: Modeling, Design and Limits.

Optimised Design of Permanent Magnet Assisted Synchronous Reluctance Machines for Household Appliances (2021)
Journal Article

This paper is focused on the design, optimisation and control of a permanent magnet assisted synchronous reluctance machine (PMaSynRel) for low cost high efficiency household appliances, in particular a motor for washing machine. The design and optim... Read More about Optimised Design of Permanent Magnet Assisted Synchronous Reluctance Machines for Household Appliances.

Squirrel Cage Induction Motor: A Design-Based Comparison Between Aluminium and Copper Cages (2021)
Journal Article

4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft (2021)
Journal Article

This article describes the underpinning research, development, construction, and testing of a 4-MW multithree phase generator designed for a hybrid-electric aircraft propulsion system demonstrator. The aim of the work is to demonstrate gravimetric po... Read More about 4-MW Class High-Power-Density Generator for Future Hybrid-Electric Aircraft.

Homothetic Design in Synchronous Reluctance Machines and Effects on Torque Ripple (2020)
Journal Article

This paper presents a novel design concept for Synchronous Reluctance (SynRel) machines aimed at reducing the torque ripple. Two general sizing approaches based on the homothetic scaling principle are defined and compared. An in depth analysis on the... Read More about Homothetic Design in Synchronous Reluctance Machines and Effects on Torque Ripple.

Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation (2020)
Journal Article

In this article, we describe the research and development of a 3 kV active rectifier for a 4 MW aerospace generator drive system demonstrator. The converter is fed by a multiphase high-speed/high-frequency permanent magnet generator. The main aim of... Read More about Research and Realization of High-Power Medium-Voltage Active Rectifier Concepts for Future Hybrid-Electric Aircraft Generation.

Experimental Statistical Method Predicting AC Losses on Random Windings and PWM Effect Evaluation (2020)
Journal Article

Nowadays, one of the challenges in transport electrification is the reduction of the components' size and weight in order to improve the power density. This is often achieved by designing electrical machines with higher rotational speeds and excitati... Read More about Experimental Statistical Method Predicting AC Losses on Random Windings and PWM Effect Evaluation.

Power-Sharing Control in Bearingless Multi-Sector and Multi-Three-Phase Permanent Magnet Machines (2020)
Journal Article

This paper deals with the power-sharing control of bearingless multi-sector and multi-three-phase permanent magnet machines. The proposed control strategy allows to distribute the power flows among the three-phase inverters supplying the machine duri... Read More about Power-Sharing Control in Bearingless Multi-Sector and Multi-Three-Phase Permanent Magnet Machines.

A Complete Equivalent Circuit for Linear Induction Motors With Laterally Asymmetric Secondary for Urban Railway Transit (2020)
Journal Article

Since the linear induction motor commonly work with a laterally asymmetric secondary as it is applied to pull rail vehicles, this paper presents a complete equivalent circuit model considering the asymmetry to predict thrust, vertical and transversal... Read More about A Complete Equivalent Circuit for Linear Induction Motors With Laterally Asymmetric Secondary for Urban Railway Transit.

Impact of Star Connection Layouts on the Control of Multiphase Induction Motor Drives Under Open-Phase Fault (2020)
Journal Article

This paper presents a post-fault control algorithm that minimizes the stator Joule losses in multiphase induction machines under an open-phase fault and for different star connection layouts. The key novelty is that the algorithm can be applied to an... Read More about Impact of Star Connection Layouts on the Control of Multiphase Induction Motor Drives Under Open-Phase Fault.

A Multiport Power Conversion System for the More Electric Aircraft (2020)
Journal Article

In more electric aircraft (MEA), weight reduction and energy efficiency constitute the key figures. In addition, the safety and continuity of operation of its electrical power distribution system (EPDS) are of critical importance. These sets of desir... Read More about A Multiport Power Conversion System for the More Electric Aircraft.

Rotor Position Tracking Control for Low Speed Operation of Direct-Drive PMSM Servo System (2020)
Journal Article

In this paper, a rotor position tracking control (RPTC) strategy is proposed to effectively reduce the speed fluctuation for a direct-drive permanent magnet synchronous motor (DD-PMSM) servo system operating at low speed with different torque disturb... Read More about Rotor Position Tracking Control for Low Speed Operation of Direct-Drive PMSM Servo System.

Rotor Design Optimization of Squirrel Cage Induction Motor - Part I: Problem Statement (2020)
Journal Article

Squirrel cage induction motor is the most widely adopted electrical machine in applications directly fed by the main grid. The analysis, design and optimization of this machine topology has been addressed by a considerable amount of literature over t... Read More about Rotor Design Optimization of Squirrel Cage Induction Motor - Part I: Problem Statement.

A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design (2020)
Journal Article

This paper proposes a concept for homothetic scaling of Synchronous Reluctance (SynRel) machines with the aim to generate a design for a wide range of power ratings. A generalized modeling approach, based on the saliency ratio, is presented in detail... Read More about A Homothetic Scaling Criteria for Synchronous Reluctance Machines Design.

A Digital Internal Model Current Controller for Salient Machines (2020)
Journal Article

The performance of anisotropic electrical machines is strongly dependent on the current loop characteristics. The problems for achieving robustness and fast response, without overshoot and oscillations, are mainly related to different values and beha... Read More about A Digital Internal Model Current Controller for Salient Machines.

A Novel Sizing Approach for Synchronous Reluctance Machines (2020)
Journal Article

This paper presents a simple analytical model for the sizing of Synchronous Reluctance (SynRel) machines. The accuracy of the method is achieved by modelling a simple rotor geometry that presents all the characteristics of a real machine. The analyti... Read More about A Novel Sizing Approach for Synchronous Reluctance Machines.

High-Speed Electric Drives: A Step Towards System Design (2020)
Journal Article

Electric drives applications have been worldwide adopted for the transportation electrification. An electric drive system is constituted by two main components: the power electronics converter and the electrical machine. Traditionally the design work... Read More about High-Speed Electric Drives: A Step Towards System Design.