All Outputs (33)

A Non-Computationally Intensive, Capacitor Balancing Technique for a Multilevel Matrix Converter (2024)
Presentation / Conference Contribution
Turner, B., De Lillo, L., Empringham, L., & Rovere, L. (2024, June). A Non-Computationally Intensive, Capacitor Balancing Technique for a Multilevel Matrix Converter. Presented at 2024 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), Napoli, Italy

Industrial motors use approximately a third of the worlds electrical energy. Addressing energy savings in this area can be seen as critical to combat global warming and reduce carbon dioxide emissions. Compact power conversion techniques and topologi... Read More about A Non-Computationally Intensive, Capacitor Balancing Technique for a Multilevel Matrix Converter.

1.2 kV SiC Wirebond-Less Integrated Low Inductance Module for Automotive Application (2023)
Presentation / Conference Contribution
De Giorgio, M., Li, K., Marchant, S., de Lillo, L., Empringham, L., Serafianos, D., Lea, J., Brockway, S., & Johnson, M. (2023, November). 1.2 kV SiC Wirebond-Less Integrated Low Inductance Module for Automotive Application. Presented at 2023 IEEE 8th Southern Power Electronics Conference and 17th Brazilian Power Electronics Conference (SPEC/COBEP), Florianopolis, Brazil

In this paper, a 1.2 kV wirebond-less Silicon Carbide (SiC) Intelligent Power Module (IPM) designed for automotive applications is presented. This IPM includes integrated decoupling capacitors and gate drivers. By utilizing Printed Circuit Board (PCB... Read More about 1.2 kV SiC Wirebond-Less Integrated Low Inductance Module for Automotive Application.

A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications (2022)
Presentation / Conference Contribution
Sergentanis, G., De Lillo, L., Empringham, L., & Johnson, C. M. (2022, September). A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications. Presented at EPE 2022 ECCE Europe conference, Hannover, Germany

Residential solar photovoltaic (PV) installations frequently use power optimizers to increase their energy production. In this application, the ability to regulate a wide range of voltage with high efficiency is highly desirable. Thus, this paper pro... Read More about A Topology-Morphing Series Resonant Converter for Photovoltaic Module Applications.

Socio-Economic Benefits in Community Energy Structures (2022)
Journal Article
Kiamba, L., Rodrigues, L., Marsh, J., Naghiyev, E., Sumner, M., Empringham, L., De Lillo, L., & Gillott, M. (2022). Socio-Economic Benefits in Community Energy Structures. Sustainability, 14(3), Article 1890. https://doi.org/10.3390/su14031890

In this paper, the authors examine how a community energy group in the Meadows area of Nottingham in the UK adopted a model of local energy generation and storage as a means of combatting climate change, improving energy efficiency, enhancing energy... Read More about Socio-Economic Benefits in Community Energy Structures.

Socio-Economic Benefits in Community Energy Structures (2022)
Journal Article
Kiamba, L., Rodrigues, L., Marsh, J., Naghiyev, E., Sumner, M., Empringham, L., de Lillo, L., & Gillott, M. (2022). Socio-Economic Benefits in Community Energy Structures. Sustainability, 14(3), Article 1890. https://doi.org/10.3390/su14031890

In this paper, the authors examine how a community energy group in the Meadows area of Nottingham in the UK adopted a model of local energy generation and storage as a means of combatting climate change, improving energy efficiency, enhancing energy... Read More about Socio-Economic Benefits in Community Energy Structures.

Automated design of integrated inductive components for DC-DC converters (2021)
Presentation / Conference Contribution
Stratta, A., Gottardo, D., di Nardo, M., de Lillo, L., Empringham, L., Espina, J., & Johnson, M. (2021, July). Automated design of integrated inductive components for DC-DC converters. Presented at 2021 IEEE Design Methodologies Conference (DMC), Bath, UK

A higher level of structural and functional integration of semiconductor devices, passive components, sensing, thermal management and control is considered fundamental to unlock wide band gap (WBG) devices full potential and ensure their reliable and... Read More about Automated design of integrated inductive components for DC-DC converters.

Optimal Integrated Design of a Magnetically Coupled Interleaved H-Bridge (2021)
Journal Article
Stratta, A., Gottardo, D., Nardo, M. D., Espina, J., Lillo, L. D., Empringham, L., & Johnson, M. C. (2022). Optimal Integrated Design of a Magnetically Coupled Interleaved H-Bridge. IEEE Transactions on Power Electronics, 37(1), 724-737. https://doi.org/10.1109/TPEL.2021.3094025

The application of wide-band gap semiconductors and their integration with other power electronics components (e.g., passives, gate drivers, sensing, thermal management) can meet the growing demand for volume reduction in power electronics systems. T... Read More about Optimal Integrated Design of a Magnetically Coupled Interleaved H-Bridge.

Heterogeneous Integration of Magnetic Component Windings on Ceramic Substrates (2020)
Journal Article
Stratta, A., Mouawad, B., Antonini, M., De Lillo, L., Empringham, L., & Johnson, M. C. (2021). Heterogeneous Integration of Magnetic Component Windings on Ceramic Substrates. IEEE Journal of Emerging and Selected Topics in Power Electronics, 9(4), 3867-3876. https://doi.org/10.1109/jestpe.2020.2989805

Heterogeneous integration and the converter in package concept have been highlighted as enabling technologies to unlock the full potential of silicon carbide (SiC) and gallium nitride (GaN) devices. Control of parasitic elements in the commutation lo... Read More about Heterogeneous Integration of Magnetic Component Windings on Ceramic Substrates.

A novel manufacturing technique for integrating magnetic components windings on power module substrates (2019)
Presentation / Conference Contribution
Stratta, A., Mouawad, B., Ahmadi, B., de Lillo, L., Empringham, L., & Johnson, M. (2019, September). A novel manufacturing technique for integrating magnetic components windings on power module substrates. Presented at 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

Single Stage Dual Active Bridge AC-DC Converter with Active Power Decoupling (2018)
Presentation / Conference Contribution
Gottardo, D., De Lillo, L., Empringham, L., Costabeber, A., & Chen, L. (2018, June). Single Stage Dual Active Bridge AC-DC Converter with Active Power Decoupling. Presented at 2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), Amalfi, Italy

The paper introduces a new a isolated DC-AC DAB converter topology, capable of active power decoupling on the AC side of the transformer, made up of two full bridges with no additional active component. The differential voltage modulated by the DC-si... Read More about Single Stage Dual Active Bridge AC-DC Converter with Active Power Decoupling.

Matrix converter open circuit fault behavior analysis and diagnosis with a model predictive control strategy (2018)
Journal Article
Zhang, J., Dan, H., Empringham, L., De Lillo, L., & Wheeler, P. (2018). Matrix converter open circuit fault behavior analysis and diagnosis with a model predictive control strategy. IEEE Journal of Emerging and Selected Topics in Power Electronics, 6(4), 1831-1839. https://doi.org/10.1109/jestpe.2018.2856460

A novel fast and reliable open circuit fault diagnosis strategy for a Matrix Converter with a Finite Control Set Model Predictive Control strategy is proposed in this paper. Current sensors are located ahead of the clamp circuit to measure the output... Read More about Matrix converter open circuit fault behavior analysis and diagnosis with a model predictive control strategy.

IEEE ITRW working group position paper: packaging and integration: unlocking the full potential of wide-bandgap devices (2018)
Journal Article
Johnson, M., Wilson, P. R., Empringham, L., & De Lillo, L. (2018). IEEE ITRW working group position paper: packaging and integration: unlocking the full potential of wide-bandgap devices. IEEE Power Electronics Magazine, 5(2), 26-33. https://doi.org/10.1109/mpel.2018.2822246

The International Technology Roadmap for Wide-Bandgap Power Semiconductors (ITRW) has four distinct technical working groups, each providing its own perspective on the technology and industrial drivers for the adoption of wide-bandgap (WBG) power sem... Read More about IEEE ITRW working group position paper: packaging and integration: unlocking the full potential of wide-bandgap devices.

Cost effective direct-substrate jet impingement cooling concept for power application (2018)
Presentation / Conference Contribution
Mouawad, B., Abebe, R., Skuriat, R., Li, J., De Lillo, L., Empringham, L., Johnson, C. M., Roberts, A., Clarke, R., & Haynes, G. (2018, June). Cost effective direct-substrate jet impingement cooling concept for power application. Presented at PCIM 2018 - International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management

Direct substrate jet impingement cooling can eliminate the use of the baseplate and significantly reduce the weight and volume of conventional thermal management solutions. This work demonstrates a cost-effective manufacturing approach based on print... Read More about Cost effective direct-substrate jet impingement cooling concept for power application.

Direct predictive current-error vector control for a direct matrix converter (2018)
Journal Article
Vijayagopal, M., Silva, C. A., Empringham, L., & De Lillo, L. (2019). Direct predictive current-error vector control for a direct matrix converter. IEEE Transactions on Power Electronics, 34(2), 1925-1935. https://doi.org/10.1109/TPEL.2018.2833495

This paper proposes a novel control strategy for matrix converters which is coined “Direct Predictive Current-error Vector Control”. The proposed control method retains the advantageous features of both a modulation scheme and of a predictive based c... Read More about Direct predictive current-error vector control for a direct matrix converter.

Next generation integrated drive: a novel thermal and electrical integration technique for high power density converters used in automotive drive systems (2018)
Presentation / Conference Contribution
Ahmadi, B., Espina, J., De Lillo, L., Abebe, R., Empringham, L., & Johnson, C. M. Next generation integrated drive: a novel thermal and electrical integration technique for high power density converters used in automotive drive systems. Presented at 9th International Conference on Power Electronics, Machines and Drives (PEMD 2018)

In this paper, an innovative method of electro-thermal integration of a drive system is presented. Important challenges of this integration consist of, firstly coupled thermal design of switching power modules and PM electric motor and secondly integ... Read More about Next generation integrated drive: a novel thermal and electrical integration technique for high power density converters used in automotive drive systems.

Sensorless control of matrix converter-fed synchronous reluctance motor drives (2017)
Presentation / Conference Contribution
Yousefi-Talouki, A., Stella, F., Odhano, S., De Lillo, L., Trentin, A., Pellegrino, G., & Zanchetta, P. Sensorless control of matrix converter-fed synchronous reluctance motor drives. Presented at 8th IEEE International Symposium on Sensorless Control for Electrical Drives (SLED 2017)

This paper presents a sensorless control technique based on direct flux vector control (DFVC) method for synchronous reluctance (SyR) motor drives fed by a three-phase to three-phase matrix converter (MC). Rotor position is estimated based on active... Read More about Sensorless control of matrix converter-fed synchronous reluctance motor drives.

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. Matrix converter open circuit fault diagnosis with asymmetric one zero SVM. Presented at 2017 IEEE Energy Conversion Congress and Exposition (ECCE)

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.

Highly-integrated power cell for high-power wide band-gap power converters (2017)
Presentation / Conference Contribution
Espina, J., Ahmadi, B., Empringham, L., De Lillo, L., & Johnson, C. M. Highly-integrated power cell for high-power wide band-gap power converters. Presented at 2017 IEEE 3rd International Future Energy Electronics Conference and ECCE Asia (IFEEC 2017 - ECCE Asia)

The fast switching speeds and low specific conduction losses of wide band-gap semiconductors allow the realisation of high-frequency, high power-density switching converters with dramatically reduced passive component requirements compared to Silicon... Read More about Highly-integrated power cell for high-power wide band-gap power converters.

Differential buck single phase grid connected AC-DC converter with active power decoupling using a flipping Capacitor (2017)
Presentation / Conference Contribution
Gottardo, D., De Lillo, L., Empringham, L., & Costabeber, A. Differential buck single phase grid connected AC-DC converter with active power decoupling using a flipping Capacitor. Presented at 8th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2017)

This paper introduces a new single-phase AC-DC converter capable of achieving independent voltage control across a dedicated power decoupling capacitor, by exploiting the same full bridge that controls the grid current in combination with two bidirec... Read More about Differential buck single phase grid connected AC-DC converter with active power decoupling using a flipping Capacitor.

Control of a direct matrix converter with modulated model predictive control (2017)
Journal Article
Vijayagopal, M., Zanchetta, P., Empringham, L., De Lillo, L., Tarisciotti, L., & Wheeler, P. (2017). Control of a direct matrix converter with modulated model predictive control. IEEE Transactions on Industry Applications, 53(3), 2342-2349. https://doi.org/10.1109/TIA.2017.2674602

This paper investigates the use of a model- predic-tive control strategy to control a direct matrix converter. The proposed control method combines the features of the classical Model Predictive Control and the Space Vector Modulation technique into... Read More about Control of a direct matrix converter with modulated model predictive control.