Dr GAURANG VAKIL's Outputs (7)

Design optimization of a high-power transformer for three-phase dual active bridge DC-DC converter for MVDC grids (2016)
Presentation / Conference Contribution
Lee, Y., Vakil, G., Feldman, R., Goodman, A., & Wheeler, P. Design optimization of a high-power transformer for three-phase dual active bridge DC-DC converter for MVDC grids. Presented at 8th IET International Conference on Power Electronics, Machines and Drives (PEMD 2016)

High-power DC-DC converter will be one of the essential technologies for the future DC grids. Especially, a three-phase dual-active bridge DC-DC (3DAB) Converter is highly suitable for high-power DC systems. Key component within this converter is the... Read More about Design optimization of a high-power transformer for three-phase dual active bridge DC-DC converter for MVDC grids.

A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms (2016)
Presentation / Conference Contribution
Lee, Y., Vakil, G., Feldman, R., Watson, A. J., & Wheeler, P. (2016, September). A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms. Presented at 2016 18th European Conference on Power Electronics and Applications, EPE 2016 ECCE Europe, Karlsruhe, Germany

This paper presents the steady-state analysis of a high power step-up DC-DC converter based three-phase dual active bridge (3DAB) for use as a medium voltage (MV) DC-DC collector of offshore wind farms. An optimization procedure for a high-power medi... Read More about A high-power DC-DC converter based dual active bridge for MVDC grids on offshore wind farms.

Novel integrative options for passive filter inductor in high speed AC drives (2016)
Presentation / Conference Contribution
Raza Khowja, M., Gerada, C., Vakil, G., Wheeler, P., & Patel, C. (2016, October). Novel integrative options for passive filter inductor in high speed AC drives. Presented at IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, Florence, Italy

This paper presents novel integration options for passive inductor which include: motor-shaped rotational and motor-shaped rotor-less inductor for high speed motor drive system. The novel options have been designed and their performance is compared w... Read More about Novel integrative options for passive filter inductor in high speed AC drives.

High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design (2016)
Journal Article
Arumugam, P., Xu, Z., La Rocca, A., Vakil, G., Dickinson, M., Amankwah, E. K., Hamiti, T., Bozhko, S., Gerada, C., & Pickering, S. (2016). High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design. IEEE Transactions on Transportation Electrification, 2(3), 391-400. https://doi.org/10.1109/TTE.2016.2592684

© 2015 IEEE. This paper proposes a novel solid rotor topology for an interior permanent magnet (IPM) machine, adopted in this case for an aircraft starter-generator design. The key challenge in the design is to satisfy two operating conditions that a... Read More about High-Speed Solid Rotor Permanent Magnet Machines: Concept and Design.

Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines (2016)
Journal Article
Fernando, N., Vakil, G., Arumugam, P., Amankwah, E. K., Gerada, C., & Bozhko, S. (2017). Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines. IEEE Transactions on Industrial Electronics, 64(3), 2415-2423. https://doi.org/10.1109/TIE.2016.2587815

© 2016 IEEE. This paper investigates the effect of two soft magnetic materials on a high-speed machine design, namely, 6.5% silicon steel and cobalt-iron alloy. The effect of design parameters on the machine performance as an aircraft starter-generat... Read More about Impact of Soft Magnetic Material on Design of High-Speed Permanent-Magnet Machines.

Integrated motor drives: state of the art and future trends (2016)
Journal Article
Abebe, R., Vakil, G., Lo Calzo, G., Cox, T., Lambert, S., Johnson, C. M., Gerada, C., & Mecrow, B. (2016). Integrated motor drives: state of the art and future trends. IET Electric Power Applications, 10(8), 757-771. https://doi.org/10.1049/iet-epa.2015.0506

With increased need for high power density, high efficiency and high temperature capabilities in aerospace and automotive applications, integrated motor drives (IMD) offers a potential solution. However, close physical integration of the converter an... Read More about Integrated motor drives: state of the art and future trends.

An analytical modeling and estimating losses of power semiconductors in a three-phase dual active bridge converter for MVDC grids (2016)
Presentation / Conference Contribution
Lee, Y., Vakil, G., Watson, A. J., & Wheeler, P. An analytical modeling and estimating losses of power semiconductors in a three-phase dual active bridge converter for MVDC grids. Presented at IEEE Power and Energy Conference at Illinois

Due to the increasing installation of renewable and decentralized power sources, Medium-voltage dc (MVDC) grids has been considered for an alternative application to medium-voltage ac (MVAC) application. Three-phase dual active bridge DC-DC (3DAB) co... Read More about An analytical modeling and estimating losses of power semiconductors in a three-phase dual active bridge converter for MVDC grids.