Research Repository

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Design and mathematical modeling of gearless SMC flux reversal motor (2018)
Conference Proceeding
Prakht, V., Golovanov, D., Dmitrievskii, V., Gerada, D., & Kazakbaev, V. (in press). Design and mathematical modeling of gearless SMC flux reversal motor

—This paper considers the design of a three-phase gearless flux reversal machine (FRM) with permanent magnets (PM) mounted on the stator. Its stator magnetic core is made of a solid soft magnetic composite material (SMC) with a slot for laying the wi... Read More

Performance comparison of doubly salient reluctance generators for high-voltage DC power system of more electric aircraft (2018)
Conference Proceeding
Li, Y., Zhang, Z., Gerada, D., & Gerada, C. (in press). Performance comparison of doubly salient reluctance generators for high-voltage DC power system of more electric aircraft. In NA

The generation performance of the switched reluctance machine (SRM)-based starter/generator (S/G) and the doubly salient electromagnetic machine (DSEM)-based S/G is analyzed and compared in this paper. The topologies, operation principles of the doub... Read More

A semi-flooded cooling for a high speed machine: concept, design and practice of an oil sleeve (2017)
Conference Proceeding
Xu, Z., La Rocca, A., Arumugam, P., Pickering, S., Gerada, C., Bozhko, S., …Zhang, H. (2017). A semi-flooded cooling for a high speed machine: concept, design and practice of an oil sleeve. In IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Societydoi:10.1109/IECON.2017.8217503

This paper proposes a semi-flooded cooling concept for a high speed machine design. The electrical machine considered is for an aircraft starter-generator system where power density and efficiency are crucial. In order to achieve the high power densi... Read More

Multi-domain optimization of high power-density PM electrical machines for system architecture selection (2017)
Journal Article
Golovanov, D., Papini, L., Gerada, D., Xu, Z., & Gerada, C. (2018). Multi-domain optimization of high power-density PM electrical machines for system architecture selection. IEEE Transactions on Industrial Electronics, 65(7), 5302-5312. doi:10.1109/TIE.2017.2772188

The power density of electrical machines for transport applications has become a critical aspect and target of optimization. This paper looks at the development of an intelligent, rapid, flexible, and multidomain tool to aid for system-level optimiza... Read More

Thermal investigation on HSPM with new alloy sleeve (2017)
Conference Proceeding
Zhang, X., Li, W., Zhang, H., Gerada, C., Gerada, D., & Li, J. (2017). Thermal investigation on HSPM with new alloy sleeve. doi:10.1109/ICEMS.2017.8056423

This paper presents a developed copper-iron alloy which made as the rotor sleeve in a high speed permanent magnetic machine (HSPMG), whist investigating its benefits in improve machine thermal performance. The features of the new alloy is experimenta... Read More

Holistic electrical machine optimization for system integration (2017)
Conference Proceeding
Gerada, D., Golovanov, D., Xu, Z., Papini, L., Degano, M., Zhang, H., & Gerada, C. (2017). Holistic electrical machine optimization for system integration. doi:10.1109/IFEEC.2017.7992174

The power density of electrical machines required for transport applications has become a critical aspect and target of optimization. This paper looks at the development aspects of a multi-domain tool to aid for system-level optimization of electrica... Read More

Design and control of segmented triple three-phase SPM machines for fault tolerant drives (2017)
Conference Proceeding
Sala, G., Gerada, D., Gerada, C., & Tani, A. (2017). Design and control of segmented triple three-phase SPM machines for fault tolerant drives

A new multiphase Surface Permanent Magnet (SPM) machine design is investigated in this paper. The machine has a nine-phase winding arranged in three sectors and supplied by three different Voltage Source Inverters (VSI). Stator segmentation between t... Read More

Radial force control for triple three-phase sectored SPM machines. Part I: Machine model (2017)
Conference Proceeding
Sala, G., Gerada, D., Gerada, C., & Tani, A. (2017). Radial force control for triple three-phase sectored SPM machines. Part I: Machine model

The radial force control technique for a triple three-phase Surface Permanent Magnet (SPM) machine is investigated in this paper. The machine has a nine-phase winding arranged in three sectors and supplied by three different Voltage Source Inverters... Read More

Radial force control for triple three-phase sectored SPM machines. Part II: Open winding fault tolerant control (2017)
Conference Proceeding
Sala, G., Gerada, D., Gerada, C., & Tani, A. (2017). Radial force control for triple three-phase sectored SPM machines. Part II: Open winding fault tolerant control

A new advanced fault tolerant control technique for a triple three-phase Surface Permanent Magnet (SPM) machine is investigated in this paper. The machine has a nine-phase winding arranged in three sectors and supplied by three different Voltage Sour... Read More

CQICO and multiobjective thermal optimization for high-speed PM generator (2017)
Journal Article
Zhang, X., Li, W., Gerada, C., Zhang, H., Li, J., Galea, M., …Cao, J. (2017). CQICO and multiobjective thermal optimization for high-speed PM generator. IEEE Transactions on Magnetics, 53(6), doi:10.1109/TMAG.2017.2658187. ISSN 0018-9464

This paper proposes a novel Continuous Quantum Immune Clonal Optimization (CQICO) algorithm for thermal optimization on an 117kW high speed permanent magnet generator (HSPMG). The proposed algorithm mixes the Quantum Computation into the Immune Cloni... Read More

High speed drives review: machines, converters and applications (2016)
Conference Proceeding
Abebe, R., Di Nardo, M., Gerada, D., Lo Calzo, G., Papini, L., & Gerada, C. (2016). High speed drives review: machines, converters and applications

The development of new power electronic device and high performance magnetic materials are the main technological factors that have led both industries and research community to focus their attention on high speed electrical drives. Several papers ha... Read More

Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets (2016)
Conference Proceeding
(2016). Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets. In 2016 XXII International Conference on Electrical Machines (ICEM), 1611-1617. doi:10.1109/ICELMACH.2016.7732739

This paper details the design process of a high performance electrical machine with the objective of achieving US Department of Energy FreedomCar 2020 targets, namely meeting the high speed efficiency requirement without sacrificing performance elsew... Read More

Damper cage loss reduction and no-load voltage THD improvements in salient-pole synchronous generators (2016)
Conference Proceeding
Nuzzo, S., Galea, M., Gerada, C., Gerada, D., Mebarki, A., & Brown, N. (2016). Damper cage loss reduction and no-load voltage THD improvements in salient-pole synchronous generators

Salient-pole synchronous generators (SG) have a long history of utilization as reliable power generation systems. Important aspects of such generators include a high power-to-weight ratio, high efficiency and a low cost per kVA output [1]. Another cr... Read More

Design considerations for the tooth shoe shape for high-speed permanent magnet generators (2015)
Journal Article
Zhang, H., Zhang, X., Gerada, C., Galea, M., Gerada, D., & Li, J. (2015). Design considerations for the tooth shoe shape for high-speed permanent magnet generators. IEEE Transactions on Magnetics, 51(11), doi:10.1109/TMAG.2015.2448096. ISSN 0018-9464

This paper presents a study of the effects that the shoe shape of the teeth of electrical machines has on the performance and losses. This is done by considering a concentrated wound, high-speed permanent magnet generator. The paper investigates the... Read More

High-speed electrical machines: technologies, trends and developments (2013)
Journal Article
Gerada, D., Mebarki, A., Brown, N., Gerada, C., Cavagnino, A., & Boglietti, A. (2014). High-speed electrical machines: technologies, trends and developments. IEEE Transactions on Industrial Electronics, 61(6), doi:10.1109/TIE.2013.2286777. ISSN 0278-0046

This paper reviews the current technologies used in high speed electrical machines, through an extensive survey of different topologies developed and built in industry as well as in academia for several applications. Developments in materials and com... Read More

A high-speed permanent-magnet machine for fault-tolerant drivetrains (2013)
Journal Article
Papini, L., Tsarfidy, R., Gerada, D., & Gerada, C. (2013). A high-speed permanent-magnet machine for fault-tolerant drivetrains. IEEE Transactions on Industrial Electronics, 61(6), doi:10.1109/TIE.2013.2282604. ISSN 0278-0046

This paper details the design considerations of a permanent magnet (PM), three phase, high speed, synchronous machine for fault tolerant operation. A multidisciplinary approach to the optimal design of the machine is adopted targeted at minimising th... Read More