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Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks (2024)
Presentation / Conference Contribution
Gopikrishnan, S., Kokila, M., Rivera, M., & Wheeler, P. (2024, January). Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks. Presented at 5th International Conference on Advances in Distributed Computing and Machine Learning (ICADCML)-2024, VIT-AP University, India

Internet of Things (IoT) is a life changing technology which is build on various devices which are connected to the Internet. Wireless sensor nodes (WSN) is one of such devices which plays a major role in deploying IoT in large scale of real-time eve... Read More about Energy Harvesting Integrated Sensor Node Architecture for Sustainable IoT Networks.

On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers (2024)
Presentation / Conference Contribution
Iribarren, Á., Barrios, E. L., Rivera, M., Wheeler, P., Sanchis, P., & Ursúa, A. (2024, June). On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers. Presented at 2024 International Conference on Renewable Energies and Smart Technologies (REST), Prishtina, Kosovo

This paper investigates the impact of power supply and dc current ripple on the efficiency of water electrolyzers and demonstrates that optimally sized thyristor rectifiers meeting grid power quality regulations can effectively supply high-power elec... Read More about On the Impact of High-Power Grid-Connected Thyristor Rectifiers on the Efficiency of Hydrogen Electrolyzers.

ANN-Aided Virtual-Space-Vector PWM Strategy for Three-Level NPC Inverter Using Sextant-Coordinate Mapping for Heavy-Duty EV Applications (2024)
Presentation / Conference Contribution
Guo, F., Gao, Y., Yang, T., Bozhko, S., Dragičević, T., Wheeler, P., & Zhao, Y. (2024, June). ANN-Aided Virtual-Space-Vector PWM Strategy for Three-Level NPC Inverter Using Sextant-Coordinate Mapping for Heavy-Duty EV Applications. Presented at 2024 IEEE Transportation Electrification Conference and Expo, ITEC 2024, Chicago, IL, USA

The three-level neutral-point-clamped (3L-NPC) inverter is a mature topology that tends to be utilized in the next-generation powertrain in heavy-duty electric vehicles (EVs). However, the wide operating range under off-road scenarios inevitably caus... Read More about ANN-Aided Virtual-Space-Vector PWM Strategy for Three-Level NPC Inverter Using Sextant-Coordinate Mapping for Heavy-Duty EV Applications.

Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications (2024)
Presentation / Conference Contribution
Mustafa, U., Kougioulis, I., Watson, A. J., Wheeler, P., & Ahmed, M. R. (2024, June). Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications. Presented at 2024 IEEE Transportation Electrification Conference and Expo (ITEC), Chicago, IL, USA

The power requirements for onboard chargers in Electric Vehicles are increasing due to the need for increased charging speeds. The 3-Phase Dual Active Bridge (DAB) DC-DC converter is an enabling topology for high-power onboard chargers (22kW). Howeve... Read More about Design Analysis of High-Frequency, High Power 3-Phase DAB Transformer for Electric Vehicle Charger Applications.

Multi-objective sequential model predictive control for high-power railway induction motor application (2024)
Presentation / Conference Contribution
Araya, B., Rivera, M., Restrepo, C., Wheeler, P., & Zerdali, E. (2024, June). Multi-objective sequential model predictive control for high-power railway induction motor application. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

Model Predictive Control (MPC) has demonstrated its effectiveness in several industrial applications, but it grapples with weighting factor (WF) tuning challenges. This paper presents a comparative analysis between conventional MPC and Sequential MPC... Read More about Multi-objective sequential model predictive control for high-power railway induction motor application.

Novel converter-dynamic voltage restorer integration to mitigate voltage sags (2024)
Presentation / Conference Contribution
Alwahaibi, S., Wheeler, P., Rivera, M., & Ahmed, R. (2024, June). Novel converter-dynamic voltage restorer integration to mitigate voltage sags. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

Voltage sag is common power quality issue that disturb load operation and need attention. The Dynamic Voltage Restorer (DVR) is an effective solution for voltage sags compensation. However, the conventional DVR, consisting of a DC source and an inver... Read More about Novel converter-dynamic voltage restorer integration to mitigate voltage sags.

Sensorless model predictive direct speed control of an induction motor (2024)
Presentation / Conference Contribution
Zerdali, E., Riccio, J., Rivera, M., & Wheeler, P. (2024, June). Sensorless model predictive direct speed control of an induction motor. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

Model predictive direct speed control (MPDSC) for an electric motor eliminates the need for a cascade control structure and enhances the disturbance rejection capability of an electric drive. On the other hand, sensorless control reduces the cost of... Read More about Sensorless model predictive direct speed control of an induction motor.

Three-level DC-DC converter with fuzzy logic-based MPPT controller for photovoltaic applications (2024)
Presentation / Conference Contribution
Belhadj, S. M., Meliani, B., Rivera, M., Wheeler, P., Zerdali, E., & Zaidi, S. (2024, June). Three-level DC-DC converter with fuzzy logic-based MPPT controller for photovoltaic applications. Paper presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

This paper presents a fuzzy logic-based controller designed for maximum power point tracking (MPPT) in a high-gain dc-dc three-level boost converter (TLBC) specifically tailored for photovoltaic applications. High-gain dc-dc converters, exemplified b... Read More about Three-level DC-DC converter with fuzzy logic-based MPPT controller for photovoltaic applications.

Optimized model predictive control with reduced switching states for neutral point clamped converters (2024)
Presentation / Conference Contribution
Kadhum, H. T., Khera, F., Xie, J., Marco, R., Watson, A. J., Zanchetta, P., & Wheeler, P. (2024, June). Optimized model predictive control with reduced switching states for neutral point clamped converters. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

The implementation of multilevel converters, particularly the Neutral-Point Clamped (NPC) converter, has risen in modern power electronics owing to its ability to enhance power quality and voltage levels. Model Predictive Control (MPC) has emerged as... Read More about Optimized model predictive control with reduced switching states for neutral point clamped converters.

Sequential direct speed predictive control without weighting factors (2024)
Presentation / Conference Contribution
Zerdali, E., Kilic, C., Riccio, J., Rivera, M., & Wheeler, P. (2024, June). Sequential direct speed predictive control without weighting factors. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, UK

Direct speed predictive control (DSPC) provides fast dynamic control with a better disturbance rejection capability but suffers from weighting factor selection. This paper proposes a sequential DSPC without weighting factors for permanent magnet sync... Read More about Sequential direct speed predictive control without weighting factors.

Weighting factor-free direct speed predictive control with improved transient performance (2024)
Presentation / Conference Contribution
Zerdali, E., Riccio, J., Rivera, M., & Wheeler, P. (2024, June). Weighting factor-free direct speed predictive control with improved transient performance. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, England

Direct predictive speed control (DSPC) of a permanent magnet synchronous motor (PMSM) offers a non-cascaded control scheme with a fast dynamic response and better disturbance rejection ability. However, similar to other direct model predictive contro... Read More about Weighting factor-free direct speed predictive control with improved transient performance.

Current source rectifier for high-power water electrolysers: analysis and sizing (2024)
Presentation / Conference Contribution
Iribarren, Á., Barrios, E. L., Balda, J., Rivera, M., Wheeler, P., Ursúa, A., & Sanchis, P. (2024, June). Current source rectifier for high-power water electrolysers: analysis and sizing. Presented at IET Conference Proceedings, Nottingham, England

Current source rectifiers offer advantageous features that make them attractive solutions for powering grid-connected high-power electrolysers. Being a single-stage step-down rectifier topology is particularly well-suited for the low voltage, high cu... Read More about Current source rectifier for high-power water electrolysers: analysis and sizing.

Matrix converter based compensator for unbalance mitigation in traction system (2024)
Presentation / Conference Contribution
Kurati, J. S., Mir, T. N., Wheeler, P. W., & Rivera, M. (2024, June). Matrix converter based compensator for unbalance mitigation in traction system. Presented at 13th International Conference on Power Electronics, Machines and Drives (PEMD 2024), Nottingham, UK

Modern AC Electric trains are designed as single-phase loads and are operated on the three-phase utility grid which causes load asymmetry and leads to unbalanced current flow in the three-phase grid. Several traction unbalance compensators have been... Read More about Matrix converter based compensator for unbalance mitigation in traction system.

Low-Order Harmonic Mitigation for Inductive Wireless Power Transfer Using a Three-Phase Meander Coil Topology (2024)
Presentation / Conference Contribution
Briceño, P., Watson, A., Clare, J., Wheeler, P., Venugopal, P., & Soeiro, T. B. (2024, May). Low-Order Harmonic Mitigation for Inductive Wireless Power Transfer Using a Three-Phase Meander Coil Topology. Presented at 2024 IEEE Wireless Power Technology Conference and Expo (WPTCE), Kyoto, Japan

An improvement in the polyphase system for Wireless Power Transfer (WPT) is presented in this article to reduce the impact of the low-order harmonics in the air gap and on the induced voltage at the receiver pad. The proposed solution is studied usin... Read More about Low-Order Harmonic Mitigation for Inductive Wireless Power Transfer Using a Three-Phase Meander Coil Topology.

PLECS Implementation of a Predictive Control Strategy for a Multi- Drive System based on an Indirect Matrix Converter (2024)
Presentation / Conference Contribution
Hamid, A., Rivera, M., Wheeler, P., Muñoz, J., Toledo, S., Espinoza, J., & Zerdali, E. (2024, March). PLECS Implementation of a Predictive Control Strategy for a Multi- Drive System based on an Indirect Matrix Converter. Presented at 2024 IEEE International Conference on Industrial Technology (ICIT), Bristol, United Kingdom

This paper proposes a PLECS implementation of a predictive torque and flux control strategy for a multi-drive system composed of two induction machines and a six-leg indirect matrix converter. Simultaneously, the instantaneous power factor of the gri... Read More about PLECS Implementation of a Predictive Control Strategy for a Multi- Drive System based on an Indirect Matrix Converter.

Parasitic Inductance Impact of a High-Turn-Ratio Half Bridge Active Clamped Converter for More-Electric Aircraft Applications (2024)
Presentation / Conference Contribution
Zhu, Y., Yang, T., Wang, Z., Yan, X., Bozhko, S., & Wheeler, P. (2024, February). Parasitic Inductance Impact of a High-Turn-Ratio Half Bridge Active Clamped Converter for More-Electric Aircraft Applications. Presented at 2024 IEEE Applied Power Electronics Conference and Exposition (APEC), Long Beach, CA, USA

Within a More-Electric Aircraft (MEA) dc power distribution system, Half-Bridge-Active-Clamped (HBAC) converters can be used to control the power transfer between different dc buses, for example, between +/-270V to 28V dc buses. However, due to the r... Read More about Parasitic Inductance Impact of a High-Turn-Ratio Half Bridge Active Clamped Converter for More-Electric Aircraft Applications.

Power-Converter-Enabled Microbrewery (2023)
Presentation / Conference Contribution
Muller, N., Navarrete, F., Reyes-Chamorro, L., Arroyave, F. V., Villatoro, J. M., Pérez, M., & Wheeler, P. (2023, December). Power-Converter-Enabled Microbrewery. Presented at 2023 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON), Valdivia, Chile

The climate crisis has made cleaner industry processes a necessity. The beer industry relies almost exclusively on fossil fuels to handle their most energy-intensive processes: mashing and boiling. Moreover, most micro breweries use manual or hystere... Read More about Power-Converter-Enabled Microbrewery.

Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft (2023)
Presentation / Conference Contribution
Bai, G., Bozhko, S., Yang, T., Wheeler, P., & Yeoh, S. S. (2023, November). Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft. Presented at 2023 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific), Chiang Mai, Thailand

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft,... Read More about Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft.

T-Type Based Cascaded H-bridge Converter Operating as a Split AC Battery and Modified State-of-Charging Hierarchical Balancing Method (2023)
Presentation / Conference Contribution
Eskandari, R., Venugopal, P., Watson, A., Wheeler, P., & Soeiro, T. B. (2023, November). T-Type Based Cascaded H-bridge Converter Operating as a Split AC Battery and Modified State-of-Charging Hierarchical Balancing Method. Presented at COBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings, Florianopolis, Brazil

This work focuses on the so-called split batteries and proposes the T-type cascaded H-bridge circuit, as a suitable candidate for this application. Furthermore, state-of-charge (SoC) balancing between the battery modules is done by a hierarchical alg... Read More about T-Type Based Cascaded H-bridge Converter Operating as a Split AC Battery and Modified State-of-Charging Hierarchical Balancing Method.

A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads (2023)
Presentation / Conference Contribution
Golkhandan, N. H., Rivera, M., Wheeler, P., Acuna, P., Rothen, J., & Davoudi, A. (2023, November). A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads. Presented at COBEP 2023 - 17th Brazilian Power Electronics Conference and SPEC 2023 - 8th IEEE Southern Power Electronics Conference, Proceedings, Florianopolis, Brazil

This paper presents a new method for voltage distortion elimination in single-phase stand-alone inverters. In fact, the cooperation of a selective harmonic elimination approach with a feed-forward method eliminates the harmonics more effectively. In... Read More about A Combination of a Feed-Forward and Selective Harmonic Elimination Method for Mitigation of Voltage Distortions in Single-Phase Stand-Alone Inverters Operating with Non-Linear Loads.