All Outputs (169)

Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle (2020)
Conference Proceeding
Wen, C., Zhu, X., Yang, Y., Ding, H., & Yan, Y. (2020). Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle. In AIP Conference Proceedings 2293 (420077-1–420077-4). https://doi.org/10.1063/5.0027863

The condensing flow model is developed to predict the non-equilibrium condensation of CO2 in a converging-diverging nozzle using computational fluid dynamics modelling, which is expected to contribute to the carbon capture and storage. The numerical... Read More about Numerical modelling of non-equilibrium condensation of carbon dioxide (CO2) in a converging-diverging nozzle.

Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications (2020)
Conference Proceeding
Gao, Y., Yang, T., Wang, X., Bozhko, S., & Wheeler, P. (2020). Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (1940-1944). https://doi.org/10.23919/ICEMS50442.2020.9290844

This study utilizes the machine learning (ML) technique to estimate the power loss of surface-mounted Permanent Magnet Synchronous Motor (PMSM) for More-Electric Aircraft (MEA). Existing approaches do not consider ML methods in power loss calculation... Read More about Machine Learning Based Correction Model in PMSM Power Loss Estimation for More-Electric Aircraft Applications.

Influence of Thermal Aging on the Winding Thermal Conductivity in Low Voltage Electrical Machines (2020)
Conference Proceeding
Madonna, V., Giangrande, P., & Galea, M. (2020). Influence of Thermal Aging on the Winding Thermal Conductivity in Low Voltage Electrical Machines. . https://doi.org/10.23919/icems50442.2020.9291167

It is widely acknowledged that thermal aging can have a detrimental effect on the reliability and lifetime expectancy of electrical machines. Long exposure times to high temperature can deteriorate the dielectric properties of the electrical insulati... Read More about Influence of Thermal Aging on the Winding Thermal Conductivity in Low Voltage Electrical Machines.

On single-phase operation of three-phase synchronous generators (2020)
Conference Proceeding
Spagnolo, C., Nuzzo, S., Giangrande, P., Galea, M., & Serra, G. (2020). On single-phase operation of three-phase synchronous generators. In ICEMS2020 Web Remote Conference, The 23rd International Conference on Electrical Machines and Systems, November 24 to 27, 2020 (1994-1999). https://doi.org/10.23919/icems50442.2020.9290872

Classical synchronous generators have been used for decades in the field of power generation. The traditional manner of operation of these systems is the balanced, three phase configuration. However, recently there has been an interest in re-configur... Read More about On single-phase operation of three-phase synchronous generators.

Comparison of slotted and slotless PM machines for high kW/kg aerospace applications (2020)
Conference Proceeding
Dave, N., Vakil, G., Xu, Z., Gerada, C., Zhang, H., & Gerada, D. (2020). Comparison of slotted and slotless PM machines for high kW/kg aerospace applications. . https://doi.org/10.23919/icems50442.2020.9291221

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.

A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding (2020)
Conference Proceeding
Zhu, S., Cox, T., Xu, Z., & Gerada, C. (2020). A PM-Assisted Synchronous Reluctance Motor with Two Slot-Pitch Winding. . https://doi.org/10.23919/icems50442.2020.9291090

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.

A Novel Magnetic Coupling Configuration for Enhancing the Torque Density (2020)
Conference Proceeding
Akcay, Y., Giangrande, P., & Galea, M. (2020). A Novel Magnetic Coupling Configuration for Enhancing the Torque Density. . https://doi.org/10.23919/icems50442.2020.9291073

This paper introduces a novel magnetic coupling (MC) topology, which is able to achieve significant torque density values by adding a limited amount of extra permanent magnets (PMs). Indeed, the proposed MC architecture, namely enhanced magnetic coup... Read More about A Novel Magnetic Coupling Configuration for Enhancing the Torque Density.

AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes (2020)
Conference Proceeding
Bardalai, A., Gerada, D., Xu, Z., & Gerada, C. (2020). AC loss Analysis in Winding of Electrical Machines with varying Strands-in-hand and Bundle Shapes. In 2020 23rd International Conference on Electrical Machines and Systems (ICEMS) (845-850). https://doi.org/10.23919/icems50442.2020.9290897

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.

PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements (2020)
Conference Proceeding
Hebala, A., Nuzzo, S., Connor, P. H., Giangrande, P., Gerada, C., & Galea, M. (2020). PM Halbach Arrays in Motors: Loss Reduction and Performance Improvements. . https://doi.org/10.23919/ICEMS50442.2020.9291234

© 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.

Design, Analysis and Dynamic Performance of Radial Magnetic Coupling (2020)
Conference Proceeding
Akcay, Y., Giangrande, P., & Galea, M. (2020). Design, Analysis and Dynamic Performance of Radial Magnetic Coupling. . https://doi.org/10.23919/icems50442.2020.9291124

Contactless torque/speed transmission is gaining an ever-increasing interest in industry and mobile applications, since the mechanical wear-out is avoided resulting in lower maintenance costs. The radial topology is one possible configuration for mag... Read More about Design, Analysis and Dynamic Performance of Radial Magnetic Coupling.

Design and Implementation of GaN-based Dual-Active-Bridge DC/DC Converters (2020)
Conference Proceeding
Guan, Q., Rubino, L., Wang, Z., & Bozhko, S. (2020). Design and Implementation of GaN-based Dual-Active-Bridge DC/DC Converters. . https://doi.org/10.1109/iecon43393.2020.9254710

This paper presents the design and implementation of multicellular isolated bidirectional dual-active-bridge (DAB) DC/DC converters which are the core equipment of the European CleanSkyII Project ASPIRE. Both the primary and the secondary H-bridge ci... Read More about Design and Implementation of GaN-based Dual-Active-Bridge DC/DC Converters.

Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties (2020)
Conference Proceeding
Ola, O., & Zhu, Y. (2020). Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties. . https://doi.org/10.1115/imece2020-23137

In this work, tungsten-based hybrid nanocomposites were grown on interconnected, macroscopic graphitic carbon nitride scaffold after solvothermal treatment followed by sulfidation to attain multifunctional composite electrocatalysts. The physicochemi... Read More about Two-Dimensional WS2/g-C3N4 Layered Heterostructures With Enhanced Pseudocapacitive and Electrocatalytic Properties.

Zero-Current Switching (ZCS) for a High Step Ratio Modular Multilevel dc-dc Converter with wide voltage range operation (2020)
Conference Proceeding
Pineda, C., Pereda, J., Burgos-Mellado, C., Watson, A., & Rojas, F. (2020). Zero-Current Switching (ZCS) for a High Step Ratio Modular Multilevel dc-dc Converter with wide voltage range operation. In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL) (1-8). https://doi.org/10.1109/compel49091.2020.9265848

© 2020 IEEE. The rise of new dc technologies is pushing the development of highly efficient dc-dc converters, especially at high voltage and high step ratio. Modular multilevel converters (MMCs) are an attractive alternative because they can manage m... Read More about Zero-Current Switching (ZCS) for a High Step Ratio Modular Multilevel dc-dc Converter with wide voltage range operation.

Distributed Control for a Cost-based Droop-free Microgrid (2020)
Conference Proceeding
Gomez, M. M., Burgos Mellado, C., & Dobson, R. C. (2020). Distributed Control for a Cost-based Droop-free Microgrid. In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL). https://doi.org/10.1109/compel49091.2020.9265722

This paper proposes a distributed control scheme for the economic dispatch of islanded AC microgrids. The control goal is the economical power-sharing of distributed generators considering the marginal cost of active and reactive power. The controlle... Read More about Distributed Control for a Cost-based Droop-free Microgrid.

A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications (2020)
Conference Proceeding
Saleh, B. M., Costabeber, A., Watson, A. J., & Clare, J. C. (2020). A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications. . https://doi.org/10.1109/COMPEL49091.2020.9265662

© 2020 IEEE. In high voltage and high-power applications, many modular multilevel DC-DC converter topologies have been proposed for DC voltage scaling applications. In most of those proposed a three phase transformer is required. The construction of... Read More about A Series Chain-Link Modular Multilevel DC-DC Converter For High Voltage and High Power Applications.

Distributed Control Strategy Based on a Consensus Algorithm for the Inter-cell and Inter-cluster Voltage Balancing of a Cascaded H-Bridge Based STATCOM (2020)
Conference Proceeding
Burgos-Mellado, C., Gutierrez, J., Pineda, C., Donoso, F., Watson, A., Sumner, M., …Mora, A. (2020). Distributed Control Strategy Based on a Consensus Algorithm for the Inter-cell and Inter-cluster Voltage Balancing of a Cascaded H-Bridge Based STATCOM. In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics, COMPEL 2020 (1-8). https://doi.org/10.1109/COMPEL49091.2020.9265758

© 2020 IEEE. Cascaded H-bridge converters are widely used in the implementation of medium voltage static synchronous compensators (STATCOMs). This is because of the advantages of relatively high-power density and the improved utilisation of low-volta... Read More about Distributed Control Strategy Based on a Consensus Algorithm for the Inter-cell and Inter-cluster Voltage Balancing of a Cascaded H-Bridge Based STATCOM.

Real-Time Thermal Imaging Using Augmented Reality and Accelerated 3D Models (2020)
Conference Proceeding
Jalal, B., Greedy, S., & Evans, P. (2020). Real-Time Thermal Imaging Using Augmented Reality and Accelerated 3D Models. . https://doi.org/10.1109/compel49091.2020.9265658

We present an innovative method to allow real-time visualisation of temperature fields on power electronic circuits using augmented reality. A real-time time-domain simulation incorporating the Block Arnoldi model order reduction techniques is implem... Read More about Real-Time Thermal Imaging Using Augmented Reality and Accelerated 3D Models.

Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design (2020)
Conference Proceeding
Korman, O., Nardo, M. D., Degano, M., & Gerada, C. (2020). Influence of Optimisation Target Functions on Synchronous Reluctance Machines Design. . https://doi.org/10.1109/iecon43393.2020.9254529

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
Preci, E., Valente, G., Bardalai, A., Transi, T., Zou, T., Gerada, D., …Gerada, C. (2020). Rectangular and Random Conductors: AC Losses Evaluations and Manufacturing Considerations. . https://doi.org/10.1109/iecon43393.2020.9254278

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.

Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines (2020)
Conference Proceeding
Transi, T., Murataliyev, M., Degano, M., Preci, E., Gerada, D., & Gerada, C. (2020). Influence of Rotor Design on Electromagnetic Performance in Interior Permanent Magnet Machines. . https://doi.org/10.1109/iecon43393.2020.9255237

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.