All Outputs (343)

Optimization and Analysis of a High Power Density and Fault Tolerant Starter–Generator for Aircraft Application (2020)
Journal Article

Permanent magnet synchronous machines provide many dramatic electromagnetic performances such as high efficiency and high power density, which make them more competitive in aircraft electrification, whereas, designing a permanent magnet starter–gener... Read More about Optimization and Analysis of a High Power Density and Fault Tolerant Starter–Generator for Aircraft Application.

Electrical Machines for the More Electric Aircraft: Partial Discharges Investigation (2020)
Journal Article

Modern electrical machines employed in transportation applications are required to provide high performance in terms of power (and torque) density. At the same time, being these applications safety-critical, a significant level of reliability and/or... Read More about Electrical Machines for the More Electric Aircraft: Partial Discharges Investigation.

Design Methodology and Parametric Design Study of the On-Board Electrical Power System for Hybrid Electric Aircraft Propulsion (2020)
Conference Proceeding

This paper presents parametric design studies of the on-board Electrical Power System (EPS) for a distributed hybrid aircraft propulsion. The work presents the methodology that has been adopted to develop the physics-based models of the EPS component... Read More about Design Methodology and Parametric Design Study of the On-Board Electrical Power System for Hybrid Electric Aircraft Propulsion.

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.

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.

AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes (2020)
Conference Proceeding

This paper presents an investigation into the sensitivity of high-frequency AC effects on the winding with varying number of parallel strands. Based on numerical analysis, a methodology to segregate the losses into components is presented. It is show... Read More about AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes.

A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding (2020)
Conference Proceeding

This paper presents a novel electric motor solution to tackle the increasing demand on the traction motor for electric vehicles. The proposed electric motor has a 24 slots 10 poles fractional slot two-slot pitch winding and a PM-assisted synchronous... Read More about A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding.

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.

Comparison of slotted and slotless PM machines for high kW/kg aerospace applications (2020)
Conference Proceeding

With the ambitious targeted emissions reduction, the aircraft industry is moving towards drastically different aircraft architectures including hybrid-electric. These in turn require electrical machines with a step change improvement in power-density... Read More about Comparison of slotted and slotless PM machines for high kW/kg aerospace applications.

PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements (2020)
Conference Proceeding

© 2020 The Institute of Electrical Engineers of Japan. Halbach array configurations represent a common choice in high-performance electrical machines, since a stronger magnetic field is generated for the same Permanent Magnet (PM) volume. Hence, high... Read More about PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements.

Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines (2020)
Conference Proceeding

Nowadays, Interior Permanent Magnet Synchronous Machines (IPMSM) are widely adopted in various sectors such as automotive, railway or public transportation (e- buses, trams, etc.). Among the benefits that these machines present, they offer a number o... Read More about Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines.

Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators (2020)
Conference Proceeding

One of the challenges brought forward by the gradual electrification undertaken by the aviation sector is the requirement of fault tolerance for machine drive systems to be used for critical on-board tasks such as propulsion or primary flight surface... Read More about Multiphase fault tolerant distributed control techniques for integrated drives based on resonant regulators.

Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design (2020)
Conference Proceeding

Synchronous reluctance machines (SynRel) are becoming very attractive for different applications because of their reluctance nature, easy manufacturability and low cost. Their design still represents a challange because of the many degrees of freedom... Read More about Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design.

Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations (2020)
Conference Proceeding

This paper presents a comparison between hairpin and random distributed winding in electrical machines for automotive applications. Indeed, the overall performance of an electrical drive system is seriously affected by its winding design. The conside... Read More about Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations.

Analysis of a Five-Phase PM Vernier Machine Topology with Two-Slot Pitch Winding (2020)
Conference Proceeding

This paper presents a five-phase permanent magnet (PM) vernier machine topology equipped with a two-slot pitch winding. The two-slot pitch winding provides a trade-off between fractional slots concentrated winding (FSCW) and integrated slot distribut... Read More about Analysis of a Five-Phase PM Vernier Machine Topology with Two-Slot Pitch Winding.

Influence of Airgap Length on Performance of High Power PM-Assisted Syn-Rel Machines (2020)
Conference Proceeding

In recent years, synchronous reluctance (Syn-Rel) machines are research hotspots in variable speed motor drives due to their robust rotor structure and wide constant power speed range (CPSR). More practically, when kVA limitation is considered, embed... Read More about Influence of Airgap Length on Performance of High Power PM-Assisted Syn-Rel Machines.

Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites (2020)
Journal Article

The substantial heat generation in modern electronic devices is one of the major issues requiring efficient thermal management. This work demonstrates a novel concept for the design of thermally conducting networks inside a polymer matrix for the dev... Read More about Highly Ordered BN⊥–BN⊥ Stacking Structure for Improved Thermally Conductive Polymer Composites.

SISO Control Strategy of Resonant Dual Active Bridge with a Tuned CLC Network (2020)
Conference Proceeding

This paper proposed a linear state-space model for a resonant dual active bridge with a tuned capacitor-inductor-capacitor network which is applied to an energy storage system. The proposed model is used for predicting the behavior of the proposed sy... Read More about SISO Control Strategy of Resonant Dual Active Bridge with a Tuned CLC Network.

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.

Improved V?shaped interior permanent magnet rotor topology with inward?extended bridges for reduced torque ripple (2020)
Journal Article

Interior permanent magnet synchronous machines (IPMSMs) with V-shaped permanent magnet (PM) rotors are widely used as traction motors in electric vehicles because of their high torque density and high efficiency. However, the V-shape IPMSMs have the... Read More about Improved V?shaped interior permanent magnet rotor topology with inward?extended bridges for reduced torque ripple.