All Outputs (231)

Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter (2016)
Presentation / Conference Contribution
Padmanaban, S., Hontz, M. R., Khanna, R., Wheeler, P. W., Blaabjerg, F., & Ojo Olorunfemi, J. Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter. Presented at 2016 IEEE 25th International Symposium on Industrial Electronics (ISIE)

This article presents the developments of a novel isolated/non-isolated quad inverter configuration for multilevel dual six-phase (twelve-phase) star-winding converter. The modular circuit consists of four standard voltage source inverters (VSIs). Ea... Read More about Isolated/non-isolated quad-inverter configuration for multilevel symmetrical/asymmetrical dual six-phase star-winding converter.

Experimental efficiency comparison between a direct matrix converter and an indirect matrix converter using both Si IGBTs and SiC MOSFETs (2016)
Journal Article
Trentin, A., Liliana de Lillio, L., Empringham, L., Zanchetta, P., Wheeler, P., & Clare, J. C. (2016). Experimental efficiency comparison between a direct matrix converter and an indirect matrix converter using both Si IGBTs and SiC MOSFETs. IEEE Transactions on Industry Applications, 52(5), 4135-4145. https://doi.org/10.1109/TIA.2016.2573752

This paper presents an experimental efficiency comparison study between two different direct AC-AC converter topologies: a direct matrix converter (DMC) and an indirect matrix converter (IMC). The evaluation is performed under variable load condition... Read More about Experimental efficiency comparison between a direct matrix converter and an indirect matrix converter using both Si IGBTs and SiC MOSFETs.

Resonant control system for low-voltage ride-through in wind energy conversion systems (2016)
Journal Article
Cardenas, R., Diaz, M., Rojas, F., Clare, J. C., & Wheeler, P. (2016). Resonant control system for low-voltage ride-through in wind energy conversion systems. IET Power Electronics, 9(6), 1297-1305. https://doi.org/10.1049/iet-pel.2015.0488

Owing to the high penetration of electrical energy from wind energy conversion systems (WECSs), some countries are enforcing stringent grid codes to regulate low-voltage-ride-through (LVRT) operation of WECSs. This study presents a self-tuning resona... Read More about Resonant control system for low-voltage ride-through in wind energy conversion systems.

Comparative stability analysis of droop control approaches in voltage-source-converter-based DC microgrids (2016)
Journal Article
Gao, F., Bozhko, S., Costabeber, A., Patel, C., Wheeler, P., Hill, C. I., & Asher, G. (in press). Comparative stability analysis of droop control approaches in voltage-source-converter-based DC microgrids. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2016.2567780

Droop control has been widely applied in DC microgrids (MGs) due to its inherent modularity and ease of implementation. Among the different droop control methods that can be adopted in DC MGs, two options have been considered in this paper; I-V and V... Read More about Comparative stability analysis of droop control approaches in voltage-source-converter-based DC microgrids.

Model predictive control for a dual active bridge inverter with a floating bridge (2016)
Journal Article
Chowdhury, S., Wheeler, P., Gerada, C., & Patel, C. (2016). Model predictive control for a dual active bridge inverter with a floating bridge. IEEE Transactions on Industrial Electronics, 63(9), 5558-5568. https://doi.org/10.1109/TIE.2016.2564949

This paper presents a Model Predictive Control technique applied to a dual active bridge inverter where one of the bridges is floating. The proposed floating bridge topology eliminates the need for isolation transformer in a dual inverter system and... Read More about Model predictive control for a dual active bridge inverter with a floating bridge.

A multi-level converter with a floating bridge for open-ended winding motor drive applications (2016)
Journal Article
Chowdhury, S., Wheeler, P., Patel, C., & Gerada, C. (2016). A multi-level converter with a floating bridge for open-ended winding motor drive applications. IEEE Transactions on Industrial Electronics, 63(9), 5366-5375. https://doi.org/10.1109/TIE.2016.2561265

This paper presents a dual three phase open end winding induction motor drive. The drive consists of a three phase induction machine with open stator phase windings and dual bridge inverter supplied from a single DC voltage source. To achieve multi-l... Read More about A multi-level converter with a floating bridge for open-ended winding motor drive applications.

Analysis of wavelet controller for robustness in electronic differential of electric vehicles: an investigation and numerical developments (2016)
Journal Article
Daya, F. J., Sanjeevikumar, P., Blaabjerg, F., Wheeler, P., Olorunfemi Ojo, J., & Ertas, A. H. (in press). Analysis of wavelet controller for robustness in electronic differential of electric vehicles: an investigation and numerical developments. Electric Power Components and Systems, 44(7), https://doi.org/10.1080/15325008.2015.1131771

In road transportation systems, differential plays an important role in preventing the vehicle from slipping on curved tracks. In practice, mechanical differentials are used, but they are bulky because of their increased weight. Moreover, they are no... Read More about Analysis of wavelet controller for robustness in electronic differential of electric vehicles: an investigation and numerical developments.

Experimental implementation of a linear control technique for a single-phase matrix converter (2016)
Presentation / Conference Contribution
Rivera, M., Rojas, S., Wheeler, P., & Yaramasu, V. Experimental implementation of a linear control technique for a single-phase matrix converter. Presented at 2016 IEEE ICIT International Conference on Industrial Technology

This paper describes a matrix converter with a three-phase input and single-phase output that can be used as a building block for high-power cascaded converters. In this paper a sinusoidal pulse width modulation technique with a linear controller is... Read More about Experimental implementation of a linear control technique for a single-phase matrix converter.

Predictive control in matrix converters. Part I, Principles, topologies and applications (2016)
Presentation / Conference Contribution
Rivera, M., Wheeler, P., & Olloqui, A. Predictive control in matrix converters. Part I, Principles, topologies and applications. Presented at 2016 IEEE ICIT International Conference on Industrial Technology

This paper presents an overview of the predictive control principles applied to matrix converters and also the different topologies where this control technique is applied. It will be shown that the predictive strategy is a promising alternative to c... Read More about Predictive control in matrix converters. Part I, Principles, topologies and applications.

Predictive control in matrix converters. Part II, Control strategies, weaknesses and trends (2016)
Presentation / Conference Contribution
Rivera, M., Wheeler, P., & Olloqui, A. Predictive control in matrix converters. Part II, Control strategies, weaknesses and trends. Presented at 2016 IEEE ICIT International Conference on Industrial Technology

The second part of this paper presents an overview of different control strategies and applications for matrix converters (MCs) where predictive control techniques are applied. It will be shown that predictive control is a promising alternative to co... Read More about Predictive control in matrix converters. Part II, Control strategies, weaknesses and trends.

A novel double quad-inverter configuration for multilevel twelve-phase open-winding converter (2016)
Presentation / Conference Contribution
Padmanaban, S., Blaabjerg, F., Wheeler, P., Ojo Olorunfemi, J., & Maroti, P. K. A novel double quad-inverter configuration for multilevel twelve-phase open-winding converter. Presented at 2016 IEEE 6th International Conference on Power Systems (ICPS)

This paper work articulates the novel proposal of double quad-inverter configuration for multilevel twelve-phase open-winding ac converter. Modular power units are developed from reconfigured eight classical three-phase voltage source inverters (VSIs... Read More about A novel double quad-inverter configuration for multilevel twelve-phase open-winding converter.

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.

Open-end winding induction machine fed by a dual-output indirect matrix converter (2016)
Journal Article
Riedmann, J., Clare, J. C., Wheeler, P., Blasco Giménez, R., Rivera, M., & Pena, R. (2016). Open-end winding induction machine fed by a dual-output indirect matrix converter. IEEE Transactions on Industrial Electronics, 63(7), 4118-4128. https://doi.org/10.1109/TIE.2016.2531020

Open-ended winding induction machines fed from standard two-level Voltage Source Inverters (VSI) provide an attractive arrangement for AC drives. An alternative approach is to use a dual output Indirect Matrix Converter (IMC). It is well known that t... Read More about Open-end winding induction machine fed by a dual-output indirect matrix converter.

A predictive control strategy for a single-phase AC-AC converter (2016)
Presentation / Conference Contribution
Rivera, M., Rojas, S., Wheeler, P., & Rodriguez, J. A predictive control strategy for a single-phase AC-AC converter. Presented at 7th Power Electronics, Drive Systems and Technologies Conference (PEDSTC 2016)

This paper presents a finite control set model predictive current control strategy with a prediction horizon of one sampling time to control the single-phase matrix converter. The proposed current control strategy is based on a prediction calculation... Read More about A predictive control strategy for a single-phase AC-AC converter.

A review of predictive control techniques for matrix converters: part I (2016)
Presentation / Conference Contribution
Rivera, M., Wheeler, P., Olloqui, A., & Khaburi, D. A review of predictive control techniques for matrix converters: part I. Presented at 7th Power Electronics, Drive Systems & Technologies Conference (PEDSTC 2016)

The predictive strategy is a promising alternative to control matrix converters and due to its simplicity and flexibility to include additional aspects in the control, its implementation can be extended to different topologies and industrial applicat... Read More about A review of predictive control techniques for matrix converters: part I.

A review of predictive control techniques for matrix converters: part II (2016)
Presentation / Conference Contribution
Rivera, M., Wheeler, P., Olloqui, A., & Khaburi, D. A review of predictive control techniques for matrix converters: part II. Presented at 7th Power Electronics, Drive Systems and Technologies Conference, PEDSTC 2016

The second part of this paper presents an overview of different control strategies and applications for matrix converters (MCs) where predictive control techniques are applied. It will be shown that predictive control is a promising alternative to co... Read More about A review of predictive control techniques for matrix converters: part II.

Common-mode voltage reduction for matrix converters using all valid switch states (2016)
Journal Article
Guan, Q., Wheeler, P., Guan, Q., & Yang, P. (2016). Common-mode voltage reduction for matrix converters using all valid switch states. IEEE Transactions on Power Electronics, 31(12), 8247-8259. https://doi.org/10.1109/TPEL.2016.2515645

This paper presents a new space vector modulation(SVM) strategy for matrix converters to reduce the common-mode voltage (CMV). The reduction is achieved by using the switch states that connect each input phase to a different output phase, or the swit... Read More about Common-mode voltage reduction for matrix converters using all valid switch states.

Active DC-link capacitor harmonic current reduction in two-level back-to-back converter (2015)
Journal Article
Shen, L., Bozhko, S., Asher, G., Patel, C., & Wheeler, P. (2015). Active DC-link capacitor harmonic current reduction in two-level back-to-back converter. IEEE Transactions on Power Electronics, 31(10), https://doi.org/10.1109/TPEL.2015.2511304

The paper proposes a method of active switching harmonics current reduction in the DC-link capacitor of a two-level, three-phase, back-to-back converter. Based on the derived analytical solution for switching harmonic currents in the DC-link, it is s... Read More about Active DC-link capacitor harmonic current reduction in two-level back-to-back converter.

An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft (2015)
Journal Article
Gao, F., Bozhko, S., Asher, G., Wheeler, P., & Patel, C. (2015). An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft. IEEE Transactions on Power Electronics, 31(10), https://doi.org/10.1109/TPEL.2015.2510285

This paper proposes an improved voltage regulation method in multi-source based DC electrical power system in the more electric aircraft. The proposed approach, which can be used in terrestrial DC microgrids as well, effectively improves the load sha... Read More about An improved voltage compensation approach in a droop-controlled DC power system for the more electric aircraft.

Wavelet-fuzzy speed indirect field oriented controller for three-phase AC motor drive – Investigation and implementation (2015)
Journal Article
Padmanaban, S., Daya, F. J., Blaabjerg, F., Wheeler, P., Szcześniak, P., Oleschuk, V., & H.Ertas, A. (2016). Wavelet-fuzzy speed indirect field oriented controller for three-phase AC motor drive – Investigation and implementation. Engineering Science and Technology, an International Journal, 19(3), https://doi.org/10.1016/j.jestch.2015.11.007

Three-phase voltage source inverter driven induction motor is used in many medium- and high-power applications. Precision in speed of the motor play vital role, i.e. popular methods of direct/indirect field-oriented control (FOC) are applied. FOC is... Read More about Wavelet-fuzzy speed indirect field oriented controller for three-phase AC motor drive – Investigation and implementation.