All Outputs (187)

A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems (2017)
Presentation / Conference Contribution
Li, C., Lo Calzo, G., Bozhko, S., Gerada, C., Wheeler, P., & Yang, T. (2017). A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems.

The neutral point voltage balancing issue for three level Neutral point clamped (NPC) converter has been extensively investigated recently. Different solutions to balance the neutral point have been proposed. However the proposed solutions so far eit... Read More about A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems.

Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator (2017)
Presentation / Conference Contribution
Ding, X., Rashed, M., Bozhko, S., & Hill, C. (2017). Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator.

This paper presents an assessment of different torque ripple minimization techniques for more electric aircraft Switched Reluctance Machine (SRM) starter/generator (S/G). SRM is one of the most popular potential candidates for future aircraft S/G. SR... Read More about Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator.

Base-case model for measurement uncertainty in a reverberation chamber including frequency stirring (2017)
Journal Article
Gifuni, A., Bastianelli, L., Moglie, F., Mariani Primiani, V., & Gradoni, G. (in press). Base-case model for measurement uncertainty in a reverberation chamber including frequency stirring. IEEE Transactions on Electromagnetic Compatibility, https://doi.org/10.1109/TEMC.2017.2763627

We address the uncertainty of reverberation chamber (RC) measurements in presence of both mechanical and frequency stirring (FS). A base-case model is derived for reverberation fields affected by the measurement uncertainty due to the lack of a perfe... Read More about Base-case model for measurement uncertainty in a reverberation chamber including frequency stirring.

Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer (2017)
Presentation / Conference Contribution
Lee, Y., Watson, A. J., Vakil, G., & Wheeler, P. (2017). Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (4531-4537). https://doi.org/10.1109/ECCE.2017.8096777

Multi-megawatt scale isolated DC-DC converters are likely to become increasingly popular as means to interconnect the MVDC grids of different voltage levels. Three-phase dual active bridge DC-DC (3DAB) converters operating with the zero-voltage switc... Read More about Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer.

Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions (2017)
Presentation / Conference Contribution
Garcia, P., Blanco, C., Navarro-Rodríguez, Á., & Sumner, M. (2017). Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (2940-2947). https://doi.org/10.1109/ECCE.2017.8096542

This paper proposes a novel frequency-based predictive sequence extractor that allows to isolate the harmonic components of both voltages and currents needed for the control of grid-tied converters. The proposed method is based on a modification of t... Read More about Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions.

Design recommendations for energy systems: a UK energy community study (2017)
Presentation / Conference Contribution
Panagiotou, K., Klumpner, C., Sumner, M., & Wheeler, P. (in press). Design recommendations for energy systems: a UK energy community study.

One of the key elements towards a decentralised energy sector is the consumers’ choice and participation, as the concept of energy prosumer is gaining more and more ground and energy community projects are spouting across UK. In order for the upcomin... Read More about Design recommendations for energy systems: a UK energy community study.

Performance improvement of simplified synchronous generators using an active power filter (2017)
Presentation / Conference Contribution
Abu-Jalala, A.-H., Cox, T., Gerada, C., & Rashed, M. (2017). Performance improvement of simplified synchronous generators using an active power filter.

Active power filters (APF) are used to improve power quality and are commonly connected in parallel with the load at the point of common coupling (PCC). They are used to compensate for harmonics from nonlinear loads, for reactive power compensation a... Read More about Performance improvement of simplified synchronous generators using an active power filter.

IGBT-SiC dual fed ground power unit (2017)
Presentation / Conference Contribution
Rovere, L., Formentini, A., Lo Calzo, G., Zanchetta, P., Cassia, A., & Marchesoni, M. (2017). IGBT-SiC dual fed ground power unit.

This paper presents the design and control of a three-phase ground power supply unit for aircraft servicing. A new mixed technology converter composed by a three-phase Silicon Carbide (SiC) full bridge unit and a three-phase full bridge IGBT unit con... Read More about IGBT-SiC dual fed ground power unit.

Model predictive Direct Flux Vector Control of multi three-phase induction motor drives (2017)
Presentation / Conference Contribution
Rubino, S., Bojoi, R., Odhano, S., & Zanchetta, P. (2017). Model predictive Direct Flux Vector Control of multi three-phase induction motor drives. In Proceedings of the 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, Ohio, USA, 1-5 October 2017 (3633-3640). https://doi.org/10.1109/ECCE.2017.8096644

A model predictive control scheme for multiphase induction machines, configured as multi three-phase structures, is proposed in this paper. The predictive algorithm uses a Direct Flux Vector Control scheme based on a multi three-phase approach, where... Read More about Model predictive Direct Flux Vector Control of multi three-phase induction motor drives.

Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter (2017)
Presentation / Conference Contribution
Lee, Y., Vakil, G., Watson, A. J., & Wheeler, P. (2017). Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (511-518). https://doi.org/10.1109/ECCE.2017.8095826

Three-phase Dual Active Bridge converter is advisable for the High-power DC-DC conversion system.

In the ac link, galvanically isolated transformer operated at a medium frequency range provides stepping up or down of the secondary bridge voltage.... Read More about Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter.

Theory and numerical modelling of parity-time symmetric structures in photonics: boundary integral equation for coupled microresonator structures (2017)
Book Chapter
Phang, S., Vukovic, A., Gradoni, G., Sewell, P., Benson, T. M., & Creagh, S. C. (2017). Theory and numerical modelling of parity-time symmetric structures in photonics: boundary integral equation for coupled microresonator structures. In Recent Trends in Computational Photonics. Springer Nature

The spectral behaviour and the real-time operation of Parity-Time (PT) symmetric coupled resonators are investigated. A Boundary Integral Equation (BIE) model is developed to study these structures in the frequency domain. The impact of realistic gai... Read More about Theory and numerical modelling of parity-time symmetric structures in photonics: boundary integral equation for coupled microresonator structures.

Experimental setup of continuous ultrasonic monitoring for corrosion assessment (2017)
Presentation / Conference Contribution
Suchato, N., Kalashnikov, A., Light, R., & Sharples, S. (in press). Experimental setup of continuous ultrasonic monitoring for corrosion assessment.

The paper is devoted to the ultrasonic monitoring of accelerated corrosion. In order to achieve non-uniform corrosion (high surface roughness), passivation was applied to the corroding surface. A dedicated electronic multiplexed four channel front en... Read More about Experimental setup of continuous ultrasonic monitoring for corrosion assessment.

A system level comparison of drive topologies for high speed electrical machines (2017)
Presentation / Conference Contribution
Savi, F., Barater, D., Di Nardo, M., Degano, M., & Gerada, C. (2017). A system level comparison of drive topologies for high speed electrical machines.

This paper presents a comprehensive comparative study among five different converter topologies all designed to drive a 8.5kW-120krpm surface permanent magnet synchronous machine. The study aims at comparing the considered systems in terms of convert... Read More about A system level comparison of drive topologies for high speed electrical machines.

A mobile phone app to support young people in making shared decisions in therapy (Power Up): study protocol (2017)
Journal Article
Chapman, L., Edbrooke-Childs, J., Martin, K., Webber, H., Craven, M. P., Hollis, C., …Wolpert, M. (2017). A mobile phone app to support young people in making shared decisions in therapy (Power Up): study protocol. JMIR Research Protocols, 6(10), Article e206. https://doi.org/10.2196/resprot.7694

Background: Evidence suggests that young people want to be active participants in their care and involved in decisions about their treatment. However, there is a lack of digital shared decision-making tools available to support young people in child... Read More about A mobile phone app to support young people in making shared decisions in therapy (Power Up): study protocol.

A study on probability of distribution loads based on expectation maximization algorithm (2017)
Presentation / Conference Contribution
Ganjavi, A., Christopher, E., Johnson, C. M., & Clare, J. (2017). A study on probability of distribution loads based on expectation maximization algorithm. In IEEE Power and Energy Society Innovative Smart Grid Technologies Conference, ISGT 2017 (1-5). https://doi.org/10.1109/ISGT.2017.8086037

In a distribution power network, the load model has no certain pattern or predicted behaviour due to large range of data and changes in energy consumption for end-user consumers. Thus, a powerful analysis based on probabilistic structure is required.... Read More about A study on probability of distribution loads based on expectation maximization algorithm.

A two degrees of freedom system for wheel traction applications (2017)
Journal Article
Roggia, S., Cupertino, F., Gerada, C., & Galea, M. (2018). A two degrees of freedom system for wheel traction applications. IEEE Transactions on Industrial Electronics, 65(6), 4483-4491. https://doi.org/10.1109/TIE.2017.2767554

In this paper, the use of conical induction machines is proposed for an in-wheel traction application. Such machines offer a rotational movement combined with a translational motion of the rotor. The horizontal movement is essential when active engag... Read More about A two degrees of freedom system for wheel traction applications.

Modulated model predictive current control of an indirect matrix converter with active damping (2017)
Presentation / Conference Contribution
Di, Z., Rivera, M., Dan, H., Tarisciotti, L., Zhang, K., Xu, D., & Wheeler, P. (2017). Modulated model predictive current control of an indirect matrix converter with active damping.

A modulated model predictive control (M²PC) scheme for an indirect matrix converter is proposed in this paper, including an active damping method to mitigate the input filter resonance. The control strategy allows the instantaneous power control and... Read More about Modulated model predictive current control of an indirect matrix converter with active damping.

Indirect model predictive current control techniques for a direct matrix converter (2017)
Presentation / Conference Contribution
Rivera, M., Nasir, U., Tarisciotti, L., & Wheeler, P. (2017). Indirect model predictive current control techniques for a direct matrix converter.

The direct matrix converter has twenty-seven available switching states which implies that the implementation of predictive control techniques in this converter requires high computational cost while an adequate selection of weighting factors in orde... Read More about Indirect model predictive current control techniques for a direct matrix converter.

Sensorless control of matrix converter-fed synchronous reluctance motor drives (2017)
Presentation / Conference Contribution
Yousefi-Talouki, A., Stella, F., Odhano, S., De Lillo, L., Trentin, A., Pellegrino, G., & Zanchetta, P. (in press). Sensorless control of matrix converter-fed synchronous reluctance motor drives.

This paper presents a sensorless control technique based on direct flux vector control (DFVC) method for synchronous reluctance (SyR) motor drives fed by a three-phase to three-phase matrix converter (MC). Rotor position is estimated based on active... Read More about Sensorless control of matrix converter-fed synchronous reluctance motor drives.

Design of low inductance switching power cell for GaN HEMT based inverter (2017)
Journal Article
Gurpinar, E., Iannuzzo, F., Yang, Y., Castellazzi, A., & Blaabjerg, F. (in press). Design of low inductance switching power cell for GaN HEMT based inverter. IEEE Transactions on Industry Applications, https://doi.org/10.1109/TIA.2017.2777417

In this paper, an ultra-low inductance power cell is designed for a three-Level Active Neutral Point Clamped (3LANPC) based on 650 V gallium nitride (GaN) HEMT devices. The 3L-ANPC topology with GaN HEMT devices and the selected modulation scheme sui... Read More about Design of low inductance switching power cell for GaN HEMT based inverter.