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A new three-level indirect matrix converter with reduced number of switches
Conference Proceeding
Klumpner, C., Lee, M. Y., Pitic, C., Wheeler, P., & Zanchetta, P. (in press). A new three-level indirect matrix converter with reduced number of switches. In 2007 IEEE Industry Applications Annual Meeting. https://doi.org/10.1109/07IAS.2007.28

Matrix converters are sine wave in/out forced commutated single-stage AC/AC direct frequency changers using a single bi-directional switch to connect any input to any output. Indirect two-stage matrix converters provide similar input and output perfo... Read More about A new three-level indirect matrix converter with reduced number of switches.

A new single-stage current source inverter for photovoltaic and fuel cell applications using reverse blocking IGBTs
Conference Proceeding
Klumpner, C. (in press). A new single-stage current source inverter for photovoltaic and fuel cell applications using reverse blocking IGBTs. In 2007 IEEE Power Electronics Specialists Conference. https://doi.org/10.1109/PESC.2007.4342251

Renewable energy sources such as photovoltaics (PVs) or fuel cells (FCs) are not fitted for direct power grid connection because they deliver DC voltage and current. This is why a power electronic interface is needed, consisting usually of a current-... Read More about A new single-stage current source inverter for photovoltaic and fuel cell applications using reverse blocking IGBTs.

A two-stage power converter for welding applications with increased efficiency and reduced filtering
Conference Proceeding
Klumpner, C., & Corbridge, M. (in press). A two-stage power converter for welding applications with increased efficiency and reduced filtering. In 2008 IEEE International Symposium on Industrial Electronics. https://doi.org/10.1109/ISIE.2008.4677248

The power supply technology used in welding applications changed dramatically from manually tap-controlled 50Hz bulky transformers which had large leakage inductance to provide stable arc burn to switch-mode fast controlled highfrequency power electr... Read More about A two-stage power converter for welding applications with increased efficiency and reduced filtering.

A more efficient current source inverter with series connected AC capacitors for photovoltaic and fuel cell applications
Conference Proceeding
Klumpner, C., Chonlatee, P., & Wheeler, P. (in press). A more efficient current source inverter with series connected AC capacitors for photovoltaic and fuel cell applications.

Renewable energy sources such as photovoltaics (PVs) or fuel cells (FCs) are not fitted for direct power grid connection because they deliver DC voltage and current. In addition, they also have a high internal resistance/nonlinear V/I dependence, whi... Read More about A more efficient current source inverter with series connected AC capacitors for photovoltaic and fuel cell applications.

Selecting the power electronic interface for a supercapattery based energy storage system
Conference Proceeding
Klumpner, C., Asher, G., & Chen, G. Z. (in press). Selecting the power electronic interface for a supercapattery based energy storage system. In 2009 IEEE Bucharest PowerTech. https://doi.org/10.1109/PTC.2009.5281965

This paper presents the initial investigations in selecting the topology of the power electronic interface for an energy storage system for power levelling applications based on a novel storage device, the supercapattery. The particularities of the s... Read More about Selecting the power electronic interface for a supercapattery based energy storage system.

A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability
Conference Proceeding
Photong, C., Klumpner, C., & Wheeler, P. (in press). A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability. In 2009 35th Annual Conference of IEEE Industrial Electronics. https://doi.org/10.1109/IECON.2009.5414954

The current source inverter (CSI) is preferred to interface a renewable source such photovoltaics (PV) to the AC power grid because it can provide smooth current source in the DC side, which fits to the PV behaviour and also steps-up the voltage from... Read More about A current source inverter with series connected AC capacitors for photovoltaic application with grid fault ride through capability.

Efficiency evaluation of a novel supercapattery stack with a power electronic interface for energy storage systems
Conference Proceeding
Kulsangcharoen, P., Klumpner, C., Zhou, X., Peng, C., Chen, G. Z., Rashed, M., & Asher, G. (in press). Efficiency evaluation of a novel supercapattery stack with a power electronic interface for energy storage systems.

The increase of renewable energy generation seen as the only way to ensure clean and sustainable development, is under scrutiny due to its intermittent nature and an insufficient development of com-plementary technologies such as electrical energy st... Read More about Efficiency evaluation of a novel supercapattery stack with a power electronic interface for energy storage systems.

A power electronic controlled dump load with negligible harmonics for accurate loading used in testing small wind turbines
Conference Proceeding
Klumpner, C., Al, B., & Hann, D. B. (in press). A power electronic controlled dump load with negligible harmonics for accurate loading used in testing small wind turbines. In 2010 IEEE International Symposium on Industrial Electronics. https://doi.org/10.1109/ISIE.2010.5637240

Permanent magnet synchronous generators (PMSG) are at the core of small scale wind power generators manufactured by a wide range of manufacturers in different configurations: vertical or horizontal axis blades, with various geometries and aerodynamic... Read More about A power electronic controlled dump load with negligible harmonics for accurate loading used in testing small wind turbines.

Packaging/assembling technologies for a high performance SiC-based planar power module
Conference Proceeding
Li, J., Agyakwa, P., Evans, P., Johnson, C. M., Zhao, Y., Wu, Y., & Evans, K. (in press). Packaging/assembling technologies for a high performance SiC-based planar power module.

This work is to investigate the relevant packaging / assembling technologies for developing a SiC-based planar power module which is aimed to meet the requirements such as operating temperature of -60 °C to 200 °C, SiC devices connected to 540 V DC b... Read More about Packaging/assembling technologies for a high performance SiC-based planar power module.

Assessing the benefits of installing energy storage in a household equipped with photovoltaic panels
Conference Proceeding
Klumpner, C., & El Boudali, A. (in press). Assessing the benefits of installing energy storage in a household equipped with photovoltaic panels.

This paper evaluates the technical and financial impact of installing energy storage in a house equipped with Photovoltaic (PV) panels subject to the Feed-In Tariff (FIT). An additional benefit of installing energy storage is the possibility to purch... Read More about Assessing the benefits of installing energy storage in a household equipped with photovoltaic panels.

Hybrid half-bridge package for high voltage application
Conference Proceeding
Mouawad, B., Li, J., Castellazzi, A., & Johnson, C. M. (in press). Hybrid half-bridge package for high voltage application.

3D power module structures allow for better cooling and lower parasitic inductances compared with the classical planar technology. In this paper, we present a hybrid half-bridge in a 3D packaging configuration, dedicated for high voltage application.... Read More about Hybrid half-bridge package for high voltage application.

Finite control set model predictive control for grid-tied quasi-Z-source based multilevel inverter
Conference Proceeding
Trabelsi, M., Bayhan, S., Abu-Rub, H., Ben-Brahim, L., & Zanchetta, P. (in press). Finite control set model predictive control for grid-tied quasi-Z-source based multilevel inverter.

In this paper, a finite control set Model Predictive Control (MPC) for grid-tie quasi-Z-Source (qZS) based multilevel inverter is proposed. The proposed Power Conditioning System (PCS) consists of a single-phase 2-cell Cascaded H-Bridge (CHB) inverte... Read More about Finite control set model predictive control for grid-tied quasi-Z-source based multilevel inverter.

Low parasitic inductance multi-chip SiC devices packaging technology
Conference Proceeding
Li, J., Mouawad, B., Castellazzi, A., Friedrichs, P., & Johnson, C. M. (in press). Low parasitic inductance multi-chip SiC devices packaging technology.

This paper presents a novel packaging structure which employs stacked substrate and flexible printed circuit board (PCB) to obtain very low parasitic inductance and hence feature high switching speed SiC power devices. A half-bridge module aimed at b... Read More about Low parasitic inductance multi-chip SiC devices packaging technology.

Computer aided optimal design of high power density EMI filters
Conference Proceeding
Ala, G., Giaconia, G., Giglia, G., Di Piazza, M., Luna, M., Vitale, G., & Zanchetta, P. (in press). Computer aided optimal design of high power density EMI filters.

Power density of power converter systems is becoming an increasing crucial design constraint for a wide range of technical applications. Size reduction of EMI filter in power converters is an important challenge due to its significant impact on the o... Read More about Computer aided optimal design of high power density EMI filters.

Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas
Conference Proceeding
Maricar, M. I., Gradoni, G., Greedy, S., Ivrlac, M. T., Nossek, J. A., Phang, S., …Thomas, D. W. (in press). Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas.

Understanding the impact of interference upon the performance of a multiple input multiple output (MIMO) based device is of paramount importance in ensuring a design is both resilient and robust. In this work the effect of element-element interferenc... Read More about Analysis of a near field MIMO wireless channel using 5.6 GHz dipole antennas.

Selection of materials for IGBT modules to achieve stable short circuit failure behaviour
Conference Proceeding
Li, J., Yaqub, I., & Johnson, C. M. (in press). Selection of materials for IGBT modules to achieve stable short circuit failure behaviour.

IGBT modules which can fail to stable short circuit mode have great allocations in electricity network related fields. Sn3.5Ag solder joint and sintered Ag joint for the die attachment and Mo, Cu, Sn3.5Ag, Al and Ag foils for the top side insert mate... Read More about Selection of materials for IGBT modules to achieve stable short circuit failure behaviour.

Reliable integration of a high performance multi-chip half-bridge SiC power module
Conference Proceeding
Mouawad, B., Li, J., Castellazzi, A., & Johnson, C. M. (in press). Reliable integration of a high performance multi-chip half-bridge SiC power module.

Silicon carbide (SiC) devices have been adopted to push the boundaries further in terms of power density, conversion efficiency, switching speed or thermal capability. To have the benefit of such semiconductors, new packaging should be developed to m... Read More about Reliable integration of a high performance multi-chip half-bridge SiC power module.

Integrated output filter inductor for permanent magnet motor drives
Conference Proceeding
Raza Khowja, M., Gerada, C., Vakil, G., Wheeler, P., & Patel, C. (in press). Integrated output filter inductor for permanent magnet motor drives.

This paper presents a novel approach to integrate the output filter inductor in permanent magnet synchronous motor (PMSM) drive system. The integrated output filter inductor is based on utilizing the motor magnetics as a filter inductance instead of... Read More about Integrated output filter inductor for permanent magnet motor drives.

Superconducting and conventional electromagnetic launch system for civil aircraft assisted take-off
Conference Proceeding
Bertola, L., Cox, T., Wheeler, P., & Garvey, S. D. (in press). Superconducting and conventional electromagnetic launch system for civil aircraft assisted take-off.

This paper compares three possible linear motor topologies for an electromagnetic launch system to assist civil aircraft take-off. Assisted launch of civil aircraft has the potential of reducing the required runway length, reducing noise and emission... Read More about Superconducting and conventional electromagnetic launch system for civil aircraft assisted take-off.