All Outputs (160)

Electrical power generation in aircraft: review, challenges and opportunities (2018)
Journal Article
Madonna, V., Giangrande, P., & Galea, M. (2018). Electrical power generation in aircraft: review, challenges and opportunities. IEEE Transactions on Transportation Electrification, 4(3), 646-659. https://doi.org/10.1109/TTE.2018.2834142

The constant growth of air traffic, the demand for performance optimization and the need for decreasing both operating and maintenance costs have encouraged the aircraft industry to move towards more electric solutions. As a result of this trend, ele... Read More about Electrical power generation in aircraft: review, challenges and opportunities.

Direct predictive current-error vector control for a direct matrix converter (2018)
Journal Article
Vijayagopal, M., Silva, C. A., Empringham, L., & De Lillo, L. (2019). Direct predictive current-error vector control for a direct matrix converter. IEEE Transactions on Power Electronics, 34(2), 1925-1935. https://doi.org/10.1109/TPEL.2018.2833495

This paper proposes a novel control strategy for matrix converters which is coined “Direct Predictive Current-error Vector Control”. The proposed control method retains the advantageous features of both a modulation scheme and of a predictive based c... Read More about Direct predictive current-error vector control for a direct matrix converter.

Single pulse short-circuit robustness and repetitive stress aging of GaN GITs (2018)
Conference Proceeding
Castellazzi, A., Fayyaz, A., Zhu, S., Oeder, T., & Pfost, M. (2018). Single pulse short-circuit robustness and repetitive stress aging of GaN GITs. In Proceedings of 2018 IEEE International Reliability Physics Symposium (IRPS), 11-15 March 2018, Burlingame, California, USA (4E.1-1-4E.1-10). https://doi.org/10.1109/IRPS.2018.8353593

Short-circuit withstand capability is a key requirement for semiconductor power devices in a number of strategic application domains, including traction, renewable energies and power distribution. Indeed, though clearly a non-intentional operational... Read More about Single pulse short-circuit robustness and repetitive stress aging of GaN GITs.

Novel silicon carbide integrated power module for EV application (2018)
Conference Proceeding
Mouawad, B., Espina, J., Li, J., Empringham, L., & Johnson, C. M. (2018). Novel silicon carbide integrated power module for EV application. In IEEE Workshop on Wide Bandgap Power Devices and Applications in Asia (WiPDA Asia 2018), At Xi'an, Shaanxi

The successful penetration of Electric Vehicles (EVs) into the global automotive markets requires the developments of cost effective, high performance and high integration power electronic systems. The present work is concerned with the structural in... Read More about Novel silicon carbide integrated power module for EV application.

An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source (2018)
Journal Article
Zhang, Y., Shi, J., Fu, C., Zhang, W., Wang, P., Li, J., & Sumner, M. (2018). An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source. Energies, 11(5), 1-16. https://doi.org/10.3390/en11051026

For fuel cell vehicles, the fuel cell stack has a soft output characteristic whereby the output voltage drops quickly with the increasing output current. In order to interface the dynamic low voltage of the fuel cell stack with the required constant... Read More about An enhanced hybrid switching-frequency modulation strategy for fuel cell vehicle three-level DC-DC converters with quasi-Z source.

Model predictive direct flux vector control of multi three-phase induction motor drives (2018)
Journal Article
Rubino, S., Bojoi, R., Odhano, S., & Zanchetta, P. (2018). Model predictive direct flux vector control of multi three-phase induction motor drives. IEEE Transactions on Industry Applications, 54(5), 4394 - 4404. doi:10.1109/TIA.2018.2829458

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.

Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter (2018)
Conference Proceeding
Diaz, M., Espinoza, M., Rojas, F., Wheeler, P., & Cardenas, R. (2018). Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter.

The Modular Multilevel Matrix Converter (M3C) is an ac-to-ac converter suitable for high-power applications. The control of this converter is complex, mainly when the frequencies of the ac systems connected to the ports of the converter are close or... Read More about Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter.

New modulation scheme for bidirectional quasi z-source modular multilevel converters (2018)
Conference Proceeding
Khera, F., Klumpner, C., & Wheeler, P. (2018). New modulation scheme for bidirectional quasi z-source modular multilevel converters.

This paper proposes a dedicated modulation scheme for a bidirectional quasi Z-source modular multilevel converter (BqZS-MMC). The operation principle and a suitable PWM method are proposed. The relation between the modulation index and shoot-through... Read More about New modulation scheme for bidirectional quasi z-source modular multilevel converters.

Sizing guidelines for grid-connected decentralised energy storage systems: single house application (2018)
Conference Proceeding
Panagiotou, K., Klumpner, C., & Sumner, M. (2018). Sizing guidelines for grid-connected decentralised energy storage systems: single house application.

Nowadays, the existing hierarchical, centrally controlled power grid faces new challenges due to the increase penetration of renewable sources, the need of implementing demand side management and the 2020 and 2050 environmental targets. A promising c... Read More about Sizing guidelines for grid-connected decentralised energy storage systems: single house application.

Power quality improvement of synchronous generators using an active power filter (2018)
Journal Article
Abu-Jalala, A., Cox, T., Gerada, C., Rashed, M., Hamiti, T., & Brown, N. (2018). Power quality improvement of synchronous generators using an active power filter. IEEE Transactions on Industry Applications, 54(5), 4080-4090. https://doi.org/10.1109/TIA.2018.2828789

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 Power quality improvement of synchronous generators using an active power filter.

A variable current-limit control scheme for a bi-directional converter used in ultracapacitor applications (2018)
Journal Article
Ahmadi, B., Barati, F., & Karimi, C. (in press). A variable current-limit control scheme for a bi-directional converter used in ultracapacitor applications. Electric Power Components and Systems, 46(3), https://doi.org/10.1080/15325008.2018.1445139

In ultracapacitor applications, generally, a bi-directional converter is connected to a DC bus and is designed to compensate rapid load variations on the bus. During transient phases, overloaded DC bus can push the converter out of its operating limi... Read More about A variable current-limit control scheme for a bi-directional converter used in ultracapacitor applications.

Modulated Model-Predictive Control with Optimized Overmodulation (2018)
Journal Article
Garcia, C. F., Silva, C. A., Rodriguez, J. R., Zanchetta, P., & Odhano, S. A. (2019). Modulated Model-Predictive Control with Optimized Overmodulation. IEEE Journal of Emerging and Selected Topics in Power Electronics, 7(1), 404-413. https://doi.org/10.1109/JESTPE.2018.2828198

© 2013 IEEE. Finite-set model-predictive control (FS-MPC) has many advantages, such as a fast dynamic response and an intuitive implementation. For these reasons, it has been thoroughly researched during the last decade. However, the waveform produce... Read More about Modulated Model-Predictive Control with Optimized Overmodulation.

Design and evaluation of an energy storage system for helicopters (2018)
Conference Proceeding
Klumpner, C., & Rashed, M. (2018). Design and evaluation of an energy storage system for helicopters.

This paper presents the design and evaluation of an energy storage system (ESS) for helicopters with the aim to recover the kinetic energy in the rotor available after landing and to be able to control the 270V dc bus voltage during load disturbances... Read More about Design and evaluation of an energy storage system for helicopters.

Experimental demonstration of an optimised PWM scheme for more even device electro-thermal stress in a 3-Level ANPC GaN inverter (2018)
Conference Proceeding
Zeng, Y., Gurpinar, E., Hussein, A., & Castellazzi, A. (2018). Experimental demonstration of an optimised PWM scheme for more even device electro-thermal stress in a 3-Level ANPC GaN inverter.

GaN device as one potential power electronics device has been gained much attention recently. One of the power conversion systems, ANPC inverter using GaN HEMT is potentially considered to be prospective usage of low loss and high efficiency. In this... Read More about Experimental demonstration of an optimised PWM scheme for more even device electro-thermal stress in a 3-Level ANPC GaN inverter.

A novel 24-slots14-poles fractional-slot concentrated winding topology with low space harmonics for electrical machines (2018)
Conference Proceeding
Zhu, S., Cox, T., Xu, Z., & Gerada, C. (2018). A novel 24-slots14-poles fractional-slot concentrated winding topology with low space harmonics for electrical machines. In NA

This paper proposes a novel winding layout for the machines with fractional-slot concentrated windings (FSCW) using a stator shifting concept and non-overlapping windings, with which all the non-working harmonics will be completely cancelled or signi... Read More about A novel 24-slots14-poles fractional-slot concentrated winding topology with low space harmonics for electrical machines.

A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator (2018)
Conference Proceeding
Bersch, K., Connor, P. H., Eastwick, C. N., & Galea, M. (2018). A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator.

This paper presents a detailed methodology for a non-intrusive measurement of cooling air mass flow rate that enables an overall machine evaluation. This approach enables the simultaneous measurement of air mass flow with shaft torque at differing op... Read More about A CFD and experimental investigation into a non-intrusive method for measuring cooling air mass flow rate through a synchronous generator.

Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs (2018)
Conference Proceeding
Fares, A., Klumpner, C., & Sumner, M. (2018). Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs.

The overall performance of battery packs may be affected by imbalances between the series connected cells which is more likely in packs with high number of cells needed to provide a high voltage as needed for example in electric vehicles. In this cas... Read More about Optimising the structure of a cascaded modular battery system for enhancing the performance of battery packs.

Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application (2018)
Conference Proceeding
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2018). Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

A design procedure for the Dual Active Bridge (DAB) converter is presented, which aims to optimized power density and computational effort. When designing a DAB, the selection of circuit design parameters such as switching frequency, leakage inductan... Read More about Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

Flux control modulation for the dual active bridge DC/DC converter (2018)
Presentation / Conference
Fritz, N., Rashed, M., Bozhko, S., Cuomo, F., & Wheeler, P. (2018, April). Flux control modulation for the dual active bridge DC/DC converter. Paper presented at 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018)

This paper introduces a novel modulation technique for the single phase Dual Active Bridge (DAB) in which the switching frequency and transformer flux are modulated to achieve improved power transfer characteristics and reduced converter losses. By a... Read More about Flux control modulation for the dual active bridge DC/DC converter.

Wide frequency range active damping of LCL-filtered grid connected converters (2018)
Conference Proceeding
Ghanem, A., Rashed, M., Sumner, M., El-Sayes, M., & Mansy, I. (2018). Wide frequency range active damping of LCL-filtered grid connected converters.

It can be challenging to guarantee the stability of grids with many converters with LCL filters connected due to the presence of multiple resonances within the system. This paper presents an active damping technique to mitigate multiple resonance eff... Read More about Wide frequency range active damping of LCL-filtered grid connected converters.