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High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles (2019)
Presentation / Conference Contribution
Kumar, R. M. R., Zou, T., La Rocca, A., Vakil, G., Gerada, D., Walker, A., Gerada, C., Paciura, K., McQueen, A., & Fernandes, B. G. (2019, October). High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019), Lisbon, Portugal

High power density and high torque density are the fundamental requirements for electric machines used in traction application. The former is obtained by potentially increasing the speed of the machine while the latter by using high energy density ra... Read More about High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles.

A Parallel Connected Unfolding Bridge (PCUB) Multilevel Converter for HVDC Applications (2019)
Presentation / Conference Contribution
Hassan, Z., Costabeber, A., Tardelli, F., Watson, A., & Clare, J. (2019, October). A Parallel Connected Unfolding Bridge (PCUB) Multilevel Converter for HVDC Applications. Presented at 45th Annual Conference of the IEEE Industrial Electronics Society (IECON 2019 ), Lisbon, Portugal

© 2019 IEEE. Hybrid Voltage Source Converters (VSC), that combine the conventional three-level VSCs and Modular Multilevel Chain-Links (CLs), offer a promising solution for future HVDC stations, achieving reduced footprint with respect to the MMC whi... Read More about A Parallel Connected Unfolding Bridge (PCUB) Multilevel Converter for HVDC Applications.

Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft (2019)
Presentation / Conference Contribution
Wang, X., Atkin, J., Bozhko, S., & Hill, C. I. (2019, October). Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft. Presented at IEEE 45th Annual Conference of the Industrial Electronics Society (IECON'2019), Lisbon, Portugal

When designing an electric power system (EPS) architecture for a more electric aircraft (MEA), the total weight of the system is treated as one of the most important criteria. For the weight saving purpose, this paper proposes an optimal power flow (... Read More about Optimal Power Flow Based Architecture Design for Electrical Power System in More-Electric Aircraft.

A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors (2019)
Journal Article
Li, Z., Wheeler, P., Watson, A., Costabeber, A., Wang, B., Ren, Y., Bai, Z., & Ma, H. (2020). A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors. IEEE Transactions on Power Electronics, 35(5), 5267-5278. https://doi.org/10.1109/tpel.2019.2946692

© 1986-2012 IEEE. This article considers fault detection in the case of a three-phase three-wire (3P3W) inverter, when only two current sensors are used to save cost or due to a faulty current sensor. With two current sensors, there is no current met... Read More about A Fast Diagnosis Method for Both IGBT Faults and Current Sensor Faults in Grid-Tied Three-Phase Inverters With Two Current Sensors.

Modulated Model Predictive Control for Induction Motor Drives with Sequential Cost Function Evaluation (2019)
Presentation / Conference Contribution
Vodola, V., Odhano, S., Garcia, C., Norambuena, M., Vaschetto, S., Zanchetta, P., Rodriguez, J., & Bojoi, R. (2019, September). Modulated Model Predictive Control for Induction Motor Drives with Sequential Cost Function Evaluation. Presented at 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, Baltimore, MD, USA

Sequential model predictive control is a recent innovation in the high-performance control of electric drives. The elimination of weighting factors and associated tuning work is among the biggest advantages of this MPC implementation. The cost functi... Read More about Modulated Model Predictive Control for Induction Motor Drives with Sequential Cost Function Evaluation.

Rotor UMP & Mechanical Response in HSPMSM in Typical Running Conditions (2019)
Presentation / Conference Contribution
He, Y.-L., Vakil, G., Zhang, X.-C., Gao, P., Gerada, D., & Gerada, C. (2019, September). Rotor UMP & Mechanical Response in HSPMSM in Typical Running Conditions. Presented at 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019, Baltimore, MD, USA

This paper presents a comprehensive analysis on the rotor unbalanced magnetic pull (UMP) and the consequent mechanical response in 6 typical running conditions in a 20000 rpm high speed permanent magnet synchronous motor (HSPMSM) through finite eleme... Read More about Rotor UMP & Mechanical Response in HSPMSM in Typical Running Conditions.

Optimized Carrier Disposition Based Discontinuous Pulse-width Modulation Method for three-level NPC Converters (2019)
Presentation / Conference Contribution
Wang, M., Xu, L., Yang, B., Li, J., Gu, C., Zhang, H., Gerada, C., & Li, Y. (2019, September). Optimized Carrier Disposition Based Discontinuous Pulse-width Modulation Method for three-level NPC Converters. Presented at IEEE Energy Conversion Congress and Exposition (ECCE 2019 ), Baltimore, MD, USA

Three level neutral-point-clamped (3L-NPC) converter is a multilevel topology that is well-suited solution in high voltage, high frequency applications such as flexible AC transmission systems and electric vehicle drive systems. This paper is focused... Read More about Optimized Carrier Disposition Based Discontinuous Pulse-width Modulation Method for three-level NPC Converters.

A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors (2019)
Presentation / Conference Contribution
Li, Z., Wheeler, P., Watson, A., Costabeber, A., Bai, Z., Zhang, X., Zhao, B., & Ma, H. (2019, September). A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors. Presented at 2019 IEEE Energy Conversion Congress and Exposition (ECCE), Baltimore, MD, USA

© 2019 IEEE. In some cases, only two current sensors are available in three-phase three-wire (3P3W) inverters. This occurs when one of three sensors is faulty, or the inverter is equipped with only two sensors to save cost. There has been no method a... Read More about A Nonintrusive IGBT Open-Circuit Fault and Current Sensor Fault Diagnosis Method for Grid-Tied Three-phase Three-Wire Inverter with Two Current Sensors.

A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft (2019)
Presentation / Conference Contribution
Guo, F., Yang, T., Bozhko, S., & Wheeler, P. (2019, September). A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft. Presented at IEEE Energy Conversion Congress and Exposition (ECCE 2019), Baltimore, MD, USA

In recent years, More-Electric-Aircraft (MEA) becomes the state-of-the-art. One of the essential issue need to be solved is neutral-point (NP) voltage drift in three-level neutral-point-clamped (3L-NPC) power converter because of low power factor (PF... Read More about A Novel Virtual Space Vector Modulation Scheme for Three-Level NPC Power Converter with Neutral-Point Voltage Balancing and Common-Mode Voltage Reduction for Electric Starter/Generator System in More-Electric-Aircraft.

Design and Experimental Validation of a Wire-Bond-Less 10-kV SiC MOSFET Power Module (2019)
Journal Article
DiMarino, C., Mouawad, B., Johnson, C. M., Wang, M., Tan, Y.-S., Lu, G.-Q., Boroyevich, D., & Burgos, R. (2020). Design and Experimental Validation of a Wire-Bond-Less 10-kV SiC MOSFET Power Module. IEEE Journal of Emerging and Selected Topics in Power Electronics, 8(1), 381-394. https://doi.org/10.1109/jestpe.2019.2944138

Wide bandgap (WBG) power devices with voltage ratings exceeding 10 kV have the potential to revolutionize medium-and high-voltage systems due to their high-speed switching and lower ON-state losses. However, the present power module packages are limi... Read More about Design and Experimental Validation of a Wire-Bond-Less 10-kV SiC MOSFET Power Module.

A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems (2019)
Journal Article
Fares, A. M., Klumpner, C., & Sumner, M. (2019). A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems. Applied Sciences, 9(19), Article 3948. https://doi.org/10.3390/app9193948

This paper introduces a novel multiport power converter with modular architecture for photovoltaic (PV)-battery based power systems. Compared to conventional centralized multiport converters, the proposed converter significantly improves the utilizat... Read More about A Novel Modular Multiport Converter for Enhancing the Performance of Photovoltaic-Battery Based Power Systems.

Application of a MILP-based Algorithm for Power Flow Optimisation within More-Electric Aircraft Electrical Power Systems (2019)
Presentation / Conference Contribution
Wang, X., Atkin, J., Bozhko, S., & Hill, C. (2019, September). Application of a MILP-based Algorithm for Power Flow Optimisation within More-Electric Aircraft Electrical Power Systems. Presented at 2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe), Genova, Italy

This paper presents in detail how Mixed-Integer Linear Programming (MILP) can be used to solve the optimal power flow problem of Electrical Power Systems (EPSs) within More-Electric Aircraft (MEA). Continuous linear functions, integer variables and p... Read More about Application of a MILP-based Algorithm for Power Flow Optimisation within More-Electric Aircraft Electrical Power Systems.

A Novel Modelling Approach of Modular Multi Three-phase Drive System for High Performance Applications (2019)
Presentation / Conference Contribution
Wang, X., Gu, C., Buticchi, G., Zhang, H., & Gerada, C. (2019, August). A Novel Modelling Approach of Modular Multi Three-phase Drive System for High Performance Applications. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

There is a growing attention in the industrial and academic sectors for the multi-phase drive for high power and high-speed applications. The multi three-phase drive with independent neutral points is a popular option for this application, as it allo... Read More about A Novel Modelling Approach of Modular Multi Three-phase Drive System for High Performance Applications.

Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines (2019)
Presentation / Conference Contribution
Cheong, B., Giangrande, P., Zhang, X., Galea, M., Zanchetta, P., & Wheeler, P. (2019, August). Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

This paper presents the development and validation of a fast, accurate, and high dimensional Multiphysics analytical model for the optimization-based design of fractional-slot surface permanent magnet (PM) machines. The approach is non-iterative and... Read More about Fast and Accurate Model for Optimization-based Design of Fractional-Slot Surface PM Machines.

Automated virtual reality (VR) cognitive therapy for patients with psychosis: study protocol for a single-blind parallel group randomised controlled trial (gameChange) (2019)
Journal Article
Freeman, D., Yu, L.-M., Kabir, T., Martin, J., Craven, M., Leal, J., Lambe, S., Brown, S., Morrison, A., Chapman, K., Dudley, R., O'Regan, E., Rovira, A., Goodsell, A., Rosebrock, L., Bergin, A., Cryer, T. L., Robotham, D., Andleeb, H., Geddes, J. R., …Waite, F. (2019). Automated virtual reality (VR) cognitive therapy for patients with psychosis: study protocol for a single-blind parallel group randomised controlled trial (gameChange). BMJ Open, 9(8), e031606. https://doi.org/10.1136/bmjopen-2019-031606

Introduction Many patients with psychosis experience everyday social situations as anxiety-provoking. The fears can arise, for example, from paranoia, hallucinations, social anxiety or negative-self beliefs. The fears lead patients to withdraw from a... Read More about Automated virtual reality (VR) cognitive therapy for patients with psychosis: study protocol for a single-blind parallel group randomised controlled trial (gameChange).

Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine (2019)
Presentation / Conference Contribution
Bardalai, A., Zhang, X., Zou, T., Gerada, D., Li, J., & Gerada, C. (2019, August). Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine. Presented at 2019 22nd International Conference on Electrical Machines and Systems (ICEMS), Harbin, China

The growing trend of high speed, high power density machines for applications such as EVs, aerospace and machine tools demand these machines to work at higher electrical frequencies. Meanwhile, increasing the fundamental frequency leads to pronounced... Read More about Comparative Analysis of AC losses with round magnet wire and Litz wire winding of a High – Speed PM Machine.

Dual-Pulse Mode Control of a High-Speed Doubly Salient Electromagnetic Machine for Loss Reduction and Speed Range Extension (2019)
Journal Article
Yu, L., Zhang, Z., Bian, Z., Gerada, D., & Gerada, C. (2019). Dual-Pulse Mode Control of a High-Speed Doubly Salient Electromagnetic Machine for Loss Reduction and Speed Range Extension. IEEE Transactions on Industrial Electronics, 67(6), 1-10. https://doi.org/10.1109/tie.2019.2931253

In this paper, a dual-pulse mode control of a high-speed doubly salient electromagnetic machine (DSEM) for efficiency improvement over a wide speed range is investigated and implemented. The dual-pulse mode control method and operation principle are... Read More about Dual-Pulse Mode Control of a High-Speed Doubly Salient Electromagnetic Machine for Loss Reduction and Speed Range Extension.