All Outputs (189)

A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs (2017)
Journal Article
Fayyaz, A., Romano, G., Urresti, J., Riccio, M., Castellazzi, A., Irace, A., & Wright, N. (2017). A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs. Energies, 10(4), Article 452. https://doi.org/10.3390/en10040452

This paper presents an in-depth investigation into the avalanche breakdown robustness of commercial state-of-the-art silicon carbide (SiC) power MOSFETs comprising of functional as well as structural characterization and the corresponding underlying... Read More about A comprehensive study on the avalanche breakdown robustness of silicon carbide power MOSFETs.

Input-Parallel Output-Series DC-DC Boost Converter With a Wide Input Voltage Range, For Fuel Cell Vehicles (2017)
Journal Article
Wang, P., Zhou, L., Li, J., Sumner, M., & Zhang, Y. (2017). Input-Parallel Output-Series DC-DC Boost Converter With a Wide Input Voltage Range, For Fuel Cell Vehicles. IEEE Transactions on Vehicular Technology, 66(9), 7771-7781. https://doi.org/10.1109/tvt.2017.2688324

An input-parallel, output-series DC-DC Boost converter with a wide input voltage range is proposed in this paper. An interleaved structure is adopted in the input side of this converter to reduce input current ripple. Two capacitors are connected in... Read More about Input-Parallel Output-Series DC-DC Boost Converter With a Wide Input Voltage Range, For Fuel Cell Vehicles.

High-frequency modulated secondary-side self-powered isolated gate driver for full range PWM operation of SiC power MOSFETs (2017)
Conference Proceeding
Garcia, J., Gurpinar, E., & Castellazzi, A. (2017). High-frequency modulated secondary-side self-powered isolated gate driver for full range PWM operation of SiC power MOSFETs.

The present work proposes a solution for an isolated gate driver suitable for SiC MOSFETs. The driver is implemented by means of two small magnetic transformers, to provide the turn-on and turn-off gate signals, as well as the power required for an a... Read More about High-frequency modulated secondary-side self-powered isolated gate driver for full range PWM operation of SiC power MOSFETs.

A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency (2017)
Journal Article
Fan, B., Wang, K., Gu, C., Wheeler, P., & Li, Y. (2018). A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency. IEEE Transactions on Power Electronics, 33(2), 1105-1117. https://doi.org/10.1109/TPEL.2017.2685431

Modular multilevel matrix converter (M3C) is a promising topology for medium-voltage high-power applications. Due to the modular structure, it features easy scalability, high quality output waveforms and superior fault tolerance. However, M3C suffers... Read More about A branch current reallocation based energy balancing strategy for the modular multilevel matrix converter operating around equal frequency.

Comparison of grain to grain orientation and stiffness mapping by spatially resolved acoustic spectroscopy and EBSD (2017)
Journal Article
Mark, A., Li, W., Sharples, S., & Withers, P. (in press). Comparison of grain to grain orientation and stiffness mapping by spatially resolved acoustic spectroscopy and EBSD. Journal of Microscopy, https://doi.org/10.1111/jmi.12550

Our aim was to establish the capability of spatially resolved acoustic spectroscopy (SRAS) to map grain orientations and the anisotropy in stiffness at the sub-mm to micron scale by comparing the method with electron backscatter diffraction (EBSD) un... Read More about Comparison of grain to grain orientation and stiffness mapping by spatially resolved acoustic spectroscopy and EBSD.

Coupled electrothermal two-dimensional model for lightning strike prediction and thermal modeling using the TLM method (2017)
Journal Article
Elkalsh, A., Sewell, P., Benson, T. M., & Vukovic, A. (2017). Coupled electrothermal two-dimensional model for lightning strike prediction and thermal modeling using the TLM method. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 2, 38-48. https://doi.org/10.1109/JMMCT.2017.2683066

This paper presents a fully coupled two-dimensional (2-D) multiphysics model for predicting the location of the arc discharge and lightning channel, and modeling its thermal and electrical behavior as a highly conductive plasma channel. The model mak... Read More about Coupled electrothermal two-dimensional model for lightning strike prediction and thermal modeling using the TLM method.

Analytical thermal model for fast stator winding temperature prediction (2017)
Journal Article
Sciascera, C., Giangrande, P., Papini, L., Gerada, C., & Galea, M. (2017). Analytical thermal model for fast stator winding temperature prediction. IEEE Transactions on Industrial Electronics, 64(8), 6116-6126. https://doi.org/10.1109/TIE.2017.2682010

This paper introduces an innovative thermal modelling technique which accurately predicts the winding temperature of electrical machines, both at transient and steady state conditions, for applications where the stator Joule losses are the dominant h... Read More about Analytical thermal model for fast stator winding temperature prediction.

Fault signal propagation through the PMSM motor drive systems (2017)
Journal Article
Li, J., Sumner, M., Arellano-Padilla, J., & Zhang, H. (in press). Fault signal propagation through the PMSM motor drive systems. IEEE Transactions on Industry Applications, 53(3), https://doi.org/10.1109/TIA.2017.2677881

This paper describes how a mechanical disturbance on the shaft of a variable speed permanent magnet motor (PMSM) is propagated to the supply input side of the drive system, and therefore may be detected by monitoring specific frequency components in... Read More about Fault signal propagation through the PMSM motor drive systems.

Evaluation of SiC Schottky diodes using pressure contacts (2017)
Journal Article
Ortiz Gonzalez, J., Alatise, O., Aliyu, A. M., Rajaguru, P., Castellazzi, A., Ran, L., …Bailey, C. (2017). Evaluation of SiC Schottky diodes using pressure contacts. IEEE Transactions on Industrial Electronics, 64(10), 8213-8223. https://doi.org/10.1109/TIE.2017.2677348

The thermomechanical reliability of SiC power devices and modules is increasingly becoming of interest especially for high power applications where power cycling performance is critical. Press-pack assemblies are a trusted and reliable packaging solu... Read More about Evaluation of SiC Schottky diodes using pressure contacts.

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.

Prognostic System for Power Modules in Converter Systems Using Structure Function (2017)
Journal Article
Aliyu, A. M., & Castellazzi, A. (2018). Prognostic System for Power Modules in Converter Systems Using Structure Function. IEEE Transactions on Power Electronics, 33(1), 595-605. https://doi.org/10.1109/TPEL.2017.2672823

This paper proposes an on-board methodology for monitoring the health of power converter modules in drive systems, using vector control heating and structure function to check for degradation. It puts forward a system that is used on-board to measure... Read More about Prognostic System for Power Modules in Converter Systems Using Structure Function.

Complexity Reduction of Multiscale UTLM Cell Clusters (2017)
Journal Article
Sewell, P., Benson, T. M., Vukovic, A., & Meng, X. (2017). Complexity Reduction of Multiscale UTLM Cell Clusters. IEEE Journal on Multiscale and Multiphysics Computational Techniques, 2, 18-28. https://doi.org/10.1109/jmmct.2017.2670613

Time domain electromagnetic simulations employing unstructured tetrahedral meshes offer smooth boundary approximations and graded meshes for multiscale problems. However, multiscale effects may arise not only as a consequence of fine geometry, but al... Read More about Complexity Reduction of Multiscale UTLM Cell Clusters.

Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter (2017)
Conference Proceeding
Papadopoulos, S., Klumpner, C., Rashed, M., & Wheeler, P. (2017). Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter. . https://doi.org/10.1109/ECCE.2016.7855244

The use of series connected capacitors for high voltage applications has been proven to be beneficial for voltage stress reduction across power semiconductors. In a 3-phase grid any asymmetry in the value of the series capacitance may lead to signifi... Read More about Mitigating the effect of series capacitance unbalance on the voltage reduction capability of an auxiliary CSI used as switching ripple active filter.

Stability assessment of a droop-controlled multi-generator electrical power system in the more electric aircraft using parameter space approach (2017)
Conference Proceeding
Gao, F., Zheng, X., & Bozhko, S. (in press). Stability assessment of a droop-controlled multi-generator electrical power system in the more electric aircraft using parameter space approach.

This paper investigates the dynamic stability of a droop-controlled multi-generator system in the more electric aircraft (MEA). Based on the developed state-space model of the potential dc electrical power system (EPS) architecture, the stability bou... Read More about Stability assessment of a droop-controlled multi-generator electrical power system in the more electric aircraft using parameter space approach.

Community power flow control for peak demand reduction and energy cost savings (2017)
Conference Proceeding
Pholboon, S., Sumner, M., & Kounnos, P. (in press). Community power flow control for peak demand reduction and energy cost savings.

The increase in penetration of renewable energy sources, such as solar or wind, and high peak load demand can cause grid network security issues. The incorporation of demand side management and energy storage devices can provide a solution to these p... Read More about Community power flow control for peak demand reduction and energy cost savings.

Sensorless speed control of five-phase PMSM drives with low current distortion (2017)
Journal Article
Saleh, K., & Sumner, M. (in press). Sensorless speed control of five-phase PMSM drives with low current distortion. Electrical Engineering, https://doi.org/10.1007/s00202-017-0511-9

This paper introduces a design for a sensorless control of a five-phase PMSM drive working at low and zero speeds with low current distortion. The rotor position is obtained through tracking the saturation saliency by measuring the dynamic currents r... Read More about Sensorless speed control of five-phase PMSM drives with low current distortion.

? approach to robust stability domains in the space of parametric uncertainties for a power system with ideal CPL (2017)
Journal Article
Sumsurooah, S., Odavic, M., & Bozhko, S. (in press). ? approach to robust stability domains in the space of parametric uncertainties for a power system with ideal CPL. IEEE Transactions on Power Electronics, https://doi.org/10.1109/TPEL.2017.2668900

Power electronic systems are prone to instability. The problem, generally attributed to the constant power load (CPL) behaviour of their power electronic controlled loads, can become more acute when the systems are subject to parametric uncertainties... Read More about ? approach to robust stability domains in the space of parametric uncertainties for a power system with ideal CPL.

Navigation and control based on integral-uncertainty observer for unmanned jet aircraft (2017)
Journal Article
Wang, X., & Cai, L. (in press). Navigation and control based on integral-uncertainty observer for unmanned jet aircraft. IEEE Transactions on Aerospace and Electronic Systems, https://doi.org/10.1109/TAES.2017.2668078

A nonlinear integral-uncertainty observer is presented, which can estimate the integral of measurement output signal and the uncertainty in system, synchronously. In order to be satisfied with the existing hardware computational environments and to s... Read More about Navigation and control based on integral-uncertainty observer for unmanned jet aircraft.

Robust indirect field oriented control of induction generator (2017)
Conference Proceeding
Bozhko, S., Peresada, S., Kovbasa, S., & Zhelinskyi, M. (in press). Robust indirect field oriented control of induction generator.

The paper presents a novel robust field oriented vector control for induction generators. The proposed controller exploits the concept of indirect field orientation and guarantees asymptotic DC-link voltage regulations when DC-load is constant or slo... Read More about Robust indirect field oriented control of induction generator.

High specific torque motor for propulsion system of aircraft (2017)
Conference Proceeding
Golovanov, D., Galea, M., & Gerada, C. (2017). High specific torque motor for propulsion system of aircraft. In 2016 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) (1-6). https://doi.org/10.1109/ESARS-ITEC.2016.7841405

This paper proposes an analytical model that considers the torque characteristics for high specific torque synchronous machine with outer rotor and a Halbach permanent magnet array. The distribution of the magnetic field in the air gap is obtained wi... Read More about High specific torque motor for propulsion system of aircraft.