Outputs (199)

SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions (2016)
Presentation / Conference Contribution
Li, K., Evans, P., & Johnson, C. M. SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions. Presented at 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA 2016)

SiC and GaN power transistors switching energy are compared in this paper. In order to compare switching energy Esw of the same power rating device, a theoretical analysis is given to compare SiC device conduction loss and switching losses change whe... Read More about SiC and GaN power transistors switching energy evaluation in hard and soft switching conditions.

Impact of SiC technology in a three-port active bridge converter for energy storage integrated solid state transformer applications (2016)
Presentation / Conference Contribution
Wang, Z., Castellazzi, A., Saeed, S., Navarro-Rodríguez, Á., & Garcia, P. Impact of SiC technology in a three-port active bridge converter for energy storage integrated solid state transformer applications. Presented at 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA 2016)

Silicon Carbide (SiC) MOSFET power module has become commercially available in the past few years, and it is attractive in solid state transformers (SSTs) applications to replace Silicon (Si)-based IGBTs. This paper is focused on the efficiency compa... Read More about Impact of SiC technology in a three-port active bridge converter for energy storage integrated solid state transformer applications.

Impulse transformer based secondary-side self-powered gate-driver for wide-range PWM operation of SiC power MOSFETs (2016)
Presentation / Conference Contribution
Garcia, J., Gurpinar, E., & Castellazzi, A. Impulse transformer based secondary-side self-powered gate-driver for wide-range PWM operation of SiC power MOSFETs. Presented at 4th IEEE Workshop on Wide Bandgap Power Devices and Applications (WiPDA 2016)

This work proposes a solution for an isolated gate driver for SiC MOSFETs, based on a magnetic transformer that simultaneously provides to the secondary side the turn-on and turn-off gate signals and the power required for an adequate gate control. T... Read More about Impulse transformer based secondary-side self-powered gate-driver for wide-range PWM operation of SiC power MOSFETs.

Multi-source energy networks for cargo vessels (2016)
Journal Article
Ahmed, S., Castellazzi, A., & Williams, A. (2016). Multi-source energy networks for cargo vessels. Transactions on Environment and Electrical Engineering, 1(4), https://doi.org/10.22149/teee.v1i4.52

The paper discusses the feasibility of installing renewable energy generation technologies on sea-going transport, taking into account the additional weight and power consumption. This study in based on the power management of a 26,198 tonne commerci... Read More about Multi-source energy networks for cargo vessels.

Wide Input-Voltage Range Boost Three-Level DC–DC Converter With Quasi-Z Source for Fuel Cell Vehicles (2016)
Journal Article
Zhang, Y., Shi, J., Zhou, L., Li, J., Sumner, M., Wang, P., & Xia, C. (2017). Wide Input-Voltage Range Boost Three-Level DC–DC Converter With Quasi-Z Source for Fuel Cell Vehicles. IEEE Transactions on Power Electronics, 32(9), 6728-6738. https://doi.org/10.1109/TPEL.2016.2625327

© 1986-2012 IEEE. To solve the problem of the mismatched voltage levels between the dynamic lower voltage of the fuel cell stack and the required constant higher voltage (400 V) of the dc-link bus of the inverter for fuel cell vehicles, a boost three... Read More about Wide Input-Voltage Range Boost Three-Level DC–DC Converter With Quasi-Z Source for Fuel Cell Vehicles.

Assessment of cooling methods for increased power density in electrical machines (2016)
Presentation / Conference Contribution
Tighe, C., Gerada, C., & Pickering, S. Assessment of cooling methods for increased power density in electrical machines. Presented at XXIIth International Conference on Electrical Machines (ICEM'2016)

A comprehensive thermal analysis of three different electrical machines is presented, with a view of identifying design aspects that can be exploited to achieve higher power density. A review of some novel cooling methods is initially made. Following... Read More about Assessment of cooling methods for increased power density in electrical machines.

Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets (2016)
Presentation / Conference Contribution
Walker, A., Galea, M., Gerada, D., Gerada, C., Mebraki, A., & Brown, N. (2016, September). Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets. Presented at International Conference on Electrical Machines (ICEM'2016), Lausanne, Switzerland

This paper details the design process of a high performance electrical machine with the objective of achieving US Department of Energy FreedomCar 2020 targets, namely meeting the high speed efficiency requirement without sacrificing performance elsew... Read More about Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets.

Theory and numerical modelling of parity-time symmetric structures in photonics: Introduction and grating structures in one dimension (2016)
Book Chapter
Phang, S., Benson, T. M., Susanto, H., Creagh, S. C., Gradoni, G., Sewell, P. D., & Vukovic, A. (2016). Theory and numerical modelling of parity-time symmetric structures in photonics: Introduction and grating structures in one dimension. In A. Agrawal, T. M. Benson, R. De La Rue, & G. Wurtz (Eds.), Recent trends in computational photonics (161-205). Springer. https://doi.org/10.1007/978-3-319-55438-9_6

A class of structures based on PT PT-symmetric Bragg gratings in the presence of both gain and loss is studied. The basic concepts and properties of parity and time reversal in one-dimensional structures that possess idealised material properties are... Read More about Theory and numerical modelling of parity-time symmetric structures in photonics: Introduction and grating structures in one dimension.

Conceptual design of battery energy storage for aircraft hybrid propulsion system (2016)
Presentation / Conference Contribution
Rashed, M., Le Peuvedic, J.-M., & Bozhko, S. Conceptual design of battery energy storage for aircraft hybrid propulsion system. Presented at International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC)

The paper presents a conceptual design approach for Energy Storage (ES) devices in advanced hybrid propulsion system for small aircrafts. The study targets operational improvement and reduction of fuel consumption for different flight missions. Power... Read More about Conceptual design of battery energy storage for aircraft hybrid propulsion system.

New configurations of power converters for grid interconnection systems (2016)
Presentation / Conference Contribution
Rivera, M., Toleda, S., Nasir, U., Costabeber, A., & Wheeler, P. New configurations of power converters for grid interconnection systems. Presented at IEEE International Conference on Automatica (IEEE ICA ACCA 2016)

The increased penetration of renewable energy sources and other distributed energy sources has been seen nowadays. In this scenario power converters play a crucial role by providing the interconnection of these energy sources. This paper presents new... Read More about New configurations of power converters for grid interconnection systems.