Outputs (95)

Indirect model predictive control strategies with input filter resonance mitigation for a matrix converter operating at fixed switching frequency (2017)
Presentation / Conference Contribution
Rivera, M., Nikolic, A., Tarisciotti, L., & Wheeler, P. Indirect model predictive control strategies with input filter resonance mitigation for a matrix converter operating at fixed switching frequency. Presented at 19th International Symposium on Power Electronics (Ee2017)

The main issues of the implementation of model predictive control in a direct matrix converter are the high com¬putational cost, the adequate selection of weighting factors and the variable switching frequency which could produce resonances in the in... Read More about Indirect model predictive control strategies with input filter resonance mitigation for a matrix converter operating at fixed switching frequency.

A new AC/AC power converter (2017)
Presentation / Conference Contribution
Nasir, U., Costabeber, A., Wheeler, P., & Rivera, M. A new AC/AC power converter. Presented at Southern Power Electronics Conference (SPEC 2017)

The Future Electrical Network will be based on the integration of different renewable energy sources. In this regard, modular bidirectional power converter architectures will get special attention. Galvanic isolation in such power converter architect... Read More about A new AC/AC power converter.

Maximum torque-per-amp tracking control of saturated induction motors (2017)
Presentation / Conference Contribution
Peresada, S., Kovbasa, S., Dymko, S., & Bozhko, S. (2017, November). Maximum torque-per-amp tracking control of saturated induction motors. Presented at 2017 International Conference on Modern Electrical and Energy Systems (MEES), Kremenchuk, Ukraine

An improved maximum torque per Ampere (MTPA) controller for induction motor (IM) drives is presented. The proposed MTPA field oriented controller guarantees asymptotic torque tracking of smooth reference trajectories and maximises the torque per Ampe... Read More about Maximum torque-per-amp tracking control of saturated induction motors.

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, November). A Novel Space Vector Modulation Technique For Three Level NPC Converters Within Aircraft Starter Generator Systems. Presented at 4th International Symposium on More Electric Aircraft (MEA 2017), Beijing, China

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.

3.3 kV SiC JBS diode configurable rectifier module (2017)
Presentation / Conference Contribution
Mouawad, B., Wang, Z., Buettner, J., & Castellazzi, A. (2017, September). 3.3 kV SiC JBS diode configurable rectifier module. Presented at 2017 19th European Conference on Power Electronics and Applications (EPE '17 ECCE Europe), Warsaw, Poland

This paper presents the use of innovative high-voltage SiC diode technology in the development of a user configurable full-wave or half-wave rectifier bridge. The devices are of merged Junction-Barrier-Schottky (JBS) type to enable for optimum perfor... Read More about 3.3 kV SiC JBS diode configurable rectifier module.

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. Assessment of torque ripple minimization techniques for aircraft switched reluctance machine starter/generator. Presented at 4th International Symposium on More Electric Aircraft Technology (MEA 2017)

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.

IGBT-SiC dual fed ground power unit (2017)
Presentation / Conference Contribution
Rovere, L., Formentini, A., Lo Calzo, G., Zanchetta, P., Cassia, A., & Marchesoni, M. IGBT-SiC dual fed ground power unit. Presented at 2017 IEEE Energy Conversion Congress and Exposition (ECCE)

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.

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, October). Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter. Presented at IEEE Energy Conversion Congress and Exposition (ECCE) 2017, Cincinnati, OH, USA

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.

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, October). Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer. Presented at 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, USA

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, October). Predictive frequency-based sequence estimator for control of grid-tied converters under highly distorted conditions. Presented at 2017 IEEE Energy Conversion Congress and Exposition (ECCE), Cincinnati, OH, USA

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.