Dr David Hewitt
School of Electrical and Electronic Engineering
Research Associate in Power Electronics
Electrical Machines and Drives Research Group
- Publications
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Journal articles
- Reduced-order thermal observer for power modules temperature estimation. IEEE Transactions on Industrial Electronics. View this article in WRRO
- Magnetic tomography for lead acid batteries. Journal of Energy Storage, 12, 1-10. View this article in WRRO
- Impact of close proximity pulse width modulation switching events on electric machine terminal voltages. IET Electric Power Applications.
- High frequency modelling of electric machines using finite element analysis derived data. IEEE Transactions on Industrial Electronics.
Conference proceedings papers
- An Experimental Assessment of the Impact of High dv/dt SiC Converters on Insulation Lifetime of Electrical Machines. 2022 IEEE Energy Conversion Congress and Exposition (ECCE), Vol. 00 (pp 1-8), 9 October 2022 - 9 October 2022.
- Detection of partial discharge activity in thermally aged SiC inverter fed stator winding samples and impact of partial discharges on their lifetime. 11th International Conference on Power Electronics, Machines and Drives (PEMD 2022) View this article in WRRO
- Prediction of the Impact of Thermal Cycling on Machine Lifetime Based on Accelerated Life Testing and Finite Element Analysis. IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, 13 October 2021 - 16 October 2021.
- EARLY DETECTION OF TURN-TO-TURN WINDING FAULTS USING A PWM RIPPLE CURRENT BASED METHOD. The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
- FFT PWM RIPPLE CURRENT BASED TURN-FAULT DETECTION APPLIED TO A 9-PHASE PMASRM MACHINE. The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
- INTER-TURN FAULT DETECTION APPLIED TO AN AEROSPACE PERMANENT MAGNET ALTERNATOR. The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020)
- Design of Experiments for Stator Windings Insulation Degradation under High dv/dt and High Switching Frequency. 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 11 October 2020 - 15 October 2020.
- Challenges of Common Mode Current and Voltage Acquisition for Stator Winding Insulation Health Monitoring. 2020 IEEE Energy Conversion Congress and Exposition (ECCE), 11 October 2020 - 15 October 2020.
- Observations on Changes to Electrolytic Capacitor Electrical Properties Caused by Gamma Irradiation. IWIS 2016, 26 September 2016 - 28 September 2016. View this article in WRRO
- Electrolytic capacitor age estimation using PRBS-based Techniques. PCIM Europe 2016; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (pp 1095-1102) View this article in WRRO
- Observation of electrolytic capacitor ageing behaviour for the purpose of prognostics. IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, 23 October 2016 - 26 October 2016. View this article in WRRO
- An experimental evaluation of thermally conductive filler loaded encapsulant composites. 7th IET International Conference on Power Electronics, Machines and Drives, PEMD 2014
- An experimental evaluation of thermally conductive filler loaded encapsulant composites. 7th IET International Conference on Power Electronics, Machines and Drives (PEMD 2014)
- Design of thermally integrated planar inductors utilising aluminium oxide as a winding insulation material. PCIM Europe Conference Proceedings (pp 223-230)
- Reduced-order thermal observer for power modules temperature estimation. IEEE Transactions on Industrial Electronics. View this article in WRRO