All Outputs (25)

Electric superbike racing: the design and construction of a championship winning electric superbike (2017)
Presentation / Conference Contribution
Wheeler, P., Blissett, J., & Gimeno-Fabra, M. (2017). Electric superbike racing: the design and construction of a championship winning electric superbike.

The electric superbikes recently developed at The University of Nottingham have to be considered as a high performance vehicles, competing with its internal combustion engine driven counterparts. This paper presents the motivations for this work as w... Read More about Electric superbike racing: the design and construction of a championship winning electric superbike.

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.

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.

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.

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.

A review of predictive control techniques for matrix converter applications (2017)
Presentation / Conference Contribution
Rivera, M., Wheeler, P., Rodriguez, J., & Wu, B. (2017). A review of predictive control techniques for matrix converter applications.

Predictive control has recently emerged as a promising alternative to more traditional methods for the control and modulation of power converters. This paper presents an overview of predictive control techniques applied to matrix converters. The pape... Read More about A review of predictive control techniques for matrix converter applications.

Indirect predictive control strategy with mitigation of input filter resonances for a direct matrix converter (2017)
Presentation / Conference Contribution
Rivera, M., Di, Z., Zhang, J., & Wheeler, P. (2017). Indirect predictive control strategy with mitigation of input filter resonances for a direct matrix converter.

In this paper an indirect model predictive current control strategy is proposed. The proposed method simplifies the computational cost while avoiding the use of weighting factors. Weighting factors are an issue for model predictive control in a direc... Read More about Indirect predictive control strategy with mitigation of input filter resonances for a direct matrix converter.

A modulated model predictive control scheme for the brushless doubly-fed induction machine (2017)
Presentation / Conference Contribution
Li, X., Peng, T., Dan, H., Zhang, G., Tang, W., & Wheeler, P. (2017). A modulated model predictive control scheme for the brushless doubly-fed induction machine. In 2017 IEEE Energy Conversion Congress and Exposition (ECCE) (1338-1342). https://doi.org/10.1109/ECCE.2017.8095945

This paper proposes a modulated model predictive control (MMPC) algorithm for a brushless double-fed induction machine. The Brushless Doubly-Fed Induction Machine has some important advantages over alternative solutions for brushless machine applicat... Read More about A modulated model predictive control scheme for the brushless doubly-fed induction machine.

Matrix converter open circuit fault diagnosis with asymmetric one zero SVM (2017)
Presentation / Conference Contribution
Zhang, J., Empringham, L., De Lillo, L., Dan, H., & Wheeler, P. (2017). Matrix converter open circuit fault diagnosis with asymmetric one zero SVM.

An open-circuit fault detection and diagnosis strategy for a direct matrix converter is proposed in this paper. The current recirculating path during an open circuit condition is considered in detail with the aim of contributing more expert knowledge... Read More about Matrix converter open circuit fault diagnosis with asymmetric one zero SVM.

An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control (2017)
Journal Article
Fan, B., Wang, K., Wheeler, P., Gu, C., & Li, Y. (in press). An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control. IEEE Transactions on Power Electronics, 33(8), https://doi.org/10.1109/TPEL.2017.2755767

The modular multilevel matrix converter (M3C) is a promising topology for high-voltage high-power applications. Recent researches have proved its significant advantages for adjustable-speed motor drives compared with the back-to-back modular multilev... Read More about An optimal full frequency control strategy for the modular multilevel matrix converter based on predictive control.

Voltage-Double Magnetically Coupled Impedance Source Networks (2017)
Journal Article
Ji, Y., Liu, H., Zhang, C., & Wheeler, P. (2018). Voltage-Double Magnetically Coupled Impedance Source Networks. IEEE Transactions on Power Electronics, 33(7), 5983-5994. https://doi.org/10.1109/tpel.2017.2747590

Ultracapacitor storage enabled global MPPT for photovoltaic central inverters (2017)
Presentation / Conference Contribution
Muller, N., Renaudineau, H., Kouro, S., & Wheeler, P. (2017). Ultracapacitor storage enabled global MPPT for photovoltaic central inverters. In 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE) (1046-1051). https://doi.org/10.1109/ISIE.2017.8001390

In most large-scale grid-tied photovoltaic (PV) plants, central inverter configurations are used, mainly due to higher converter efficiency and lower cost per kW. However, compared to other configurations, its Maximum Power Point Tracking (MPPT) effi... Read More about Ultracapacitor storage enabled global MPPT for photovoltaic central inverters.

Quasi Z-source NPC inverter for PV application (2017)
Presentation / Conference Contribution
Effah, F. B., Wheeler, P., Watson, A. J., & Clare, J. C. (2017). Quasi Z-source NPC inverter for PV application. In Proceedings of 2017 IEEE PES PowerAfrica (153-158). https://doi.org/10.1109/PowerAfrica.2017.7991215

This paper presents the operating principles and modified space vector modulation strategy for a three-phase quasi Z-source neutral point clamped inverter for solar photovoltaic applications. This topology combines the advantages of the neutral point... Read More about Quasi Z-source NPC inverter for PV application.

A finite control set model predictive control method for matrix converter with zero common-mode voltage (2017)
Journal Article
Wang, L., Dan, H., Zhao, Y., Zhu, Q., Peng, T., Sun, Y., & Wheeler, P. (2018). A finite control set model predictive control method for matrix converter with zero common-mode voltage. IEEE Journal of Emerging and Selected Topics in Power Electronics, 6(1), 327-338. https://doi.org/10.1109/JESTPE.2017.2727501

In this paper a finite control set model predictive control method is presented that eliminates the common-mode voltage at the output of a matrix converter. In the predictive control process only the rotating vectors are selected to generate the outp... Read More about A finite control set model predictive control method for matrix converter with zero common-mode voltage.

Transistor clamped five level inverter using non-inverting double reference single carrier PWM technique for photovoltaic applications (2017)
Presentation / Conference Contribution
Bhaskar, M. S., Padmanaban, S., Fedak, V., Blaabjerg, F., & Wheeler, P. (2017). Transistor clamped five level inverter using non-inverting double reference single carrier PWM technique for photovoltaic applications. In Proceedings - 2017 International Conference on Optimization of Electrical and Electronic Equipment, OPTIM 2017 and 2017 Intl Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2017 (777-782). https://doi.org/10.1109/OPTIM.2017.7975063

This treatise deals with Transistor Clamped Five Level Inverter using Non-Inverting Double Reference Single Carrier PWM (NIDRSC PWM) Technique. Conventional or two level inverter have drawbacks like: i) Requirement of fast switching devices, ii) Very... Read More about Transistor clamped five level inverter using non-inverting double reference single carrier PWM technique for photovoltaic applications.

A single-phase bidirectional AC/DC converter for V2G applications (2017)
Journal Article
Peng, T., Yang, P., Dan, H., Wang, H., Han, H., Yang, J., …Wheeler, P. (2017). A single-phase bidirectional AC/DC converter for V2G applications. Energies, 10(7), Article 881. https://doi.org/10.3390/en10070881

This paper presents a single-phase bidirectional current-source AC/DC converter for vehicle to grid (V2G) applications. The presented converter consists of a line frequency commutated unfolding bridge and an interleaved buck-boost stage. The low semi... Read More about A single-phase bidirectional AC/DC converter for V2G applications.

Design optimization of integrated rotor-less inductors for high-speed AC drive applications (2017)
Presentation / Conference Contribution
Raza Khowja, M., Gerada, C., Vakil, G., Patel, C., & Wheeler, P. (in press). Design optimization of integrated rotor-less inductors for high-speed AC drive applications. In 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (69-74)

Discrete sub-system due to passive elements in motor drive require functional and structural integration to make efficient and power dense overall system. Such power dense system is the prerequisite in aerospace and marine applications. This paper pr... Read More about Design optimization of integrated rotor-less inductors for high-speed AC drive applications.

A novel multi-modular series HVDC tap (2017)
Presentation / Conference Contribution
Tang, Y., Watson, A., Wheeler, P., Farr, E., & Feldman, R. (2017). A novel multi-modular series HVDC tap. In 13th IET International Conference on AC and DC Power Transmission (ACDC 2017) (1-6). https://doi.org/10.1049/cp.2017.0044

Tapping energy from a HVDC transmission line to serve small remote communities has been considered by researchers and HVDC manufacturers since the 1960s. Many HVDC taps proposed consider the performance of diodes, Thyristors and GTOs and the utilizat... Read More about A novel multi-modular series HVDC tap.

DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters (2017)
Journal Article
Shen, L., Bozhko, S., Hill, C. I., & Wheeler, P. (2018). DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters. IEEE Transactions on Power Electronics, 33(4), 3567-3574. https://doi.org/10.1109/TPEL.2017.2706972

© 1986-2012 IEEE. This paper proposes an active switching harmonic current reduction method within the dc-link capacitor of two-level, three-phase, back-to-back converters. This method is based on the derived analytical solution for switching harmoni... Read More about DC-Link Capacitor Second Carrier Band Switching Harmonic Current Reduction in Two-Level Back-to-Back Converters.

Preselection algorithm based on predictive control for direct matrix converter (2017)
Journal Article
Dan, H., Zhu, Q., Peng, T., Yao, S., & Wheeler, P. (2017). Preselection algorithm based on predictive control for direct matrix converter. IET Electric Power Applications, 11(5), 768-775. https://doi.org/10.1049/iet-epa.2016.0473

This paper presents an enhanced predictive control strategy to reduce the calculation effort for direct matrix converters. The main idea is to preselect the switching states to decrease the calculation effort during each sample period. The proposed p... Read More about Preselection algorithm based on predictive control for direct matrix converter.