All Outputs (28)

Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator (2020)
Conference Proceeding

This paper presents a combined electromagnetic and thermal design of integrated inductor, for the application of a 45kW aircraft starter-generator. The inductor is designed at high current density by using the apporach ofarea product, followed by the... Read More about Thermal Design of an Integrated Inductor for 45kW Aerospace Starter-Generator.

Electric drive systems with long feeder cables (2020)
Journal Article

Electric drive systems with long feeder cables connecting inverter and machine are used for oil exploration, mining, remote operated vehicles, industrial, and aerospace applications. Though this topology has the advantage of providing a better operat... Read More about Electric drive systems with long feeder cables.

Enhancing the Torque Density of Conventional PM-SynRel Machine with Hybrid Flux Barrier (2019)
Conference Proceeding

Electrical machines with high torque density are required for traction application. Availability of bonded magnets with complex shapes and magnetization pattern can significantly extend the design space of electrical machines. This paper introduces a... Read More about Enhancing the Torque Density of Conventional PM-SynRel Machine with Hybrid Flux Barrier.

High Power High Speed PM-Assisted SynRel Machines with Ferrite and Rare Earth Magnets for Future Electric Commercial Vehicles (2019)
Conference Proceeding

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.

Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System (2019)
Conference Proceeding

Mechanically-driven actuators, compressors and pumps are being replaced by the aircraft manufacturers that shift the trend towards 'More Electric Aircraft' and hence reducing the mechanical linkages within the aircraft system. This elevates the depen... Read More about Trade-off Study of a High Power Density Starter-Generator for Turboprop Aircraft System.

Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle (2019)
Conference Proceeding

Computational Fluid Dynamics (CFD) was used to carry out a fluid flow and thermal investigation of a high power dense traction machine for electric commercial vehicle. One of the features of the machine design considered is the high Length/Diameter (... Read More about Numerical study of the impact of different cooling arrangements on a high length/diameter ratio motor for electric commercial vehicle.

Rotor UMP & Mechanical Response in HSPMSM in Typical Running Conditions (2019)
Conference Proceeding

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.

Combined Thermofluid and Electromagnetic Optimisation of Stator Vent Cooling (2018)
Conference Proceeding

© 2018 IEEE. A combined electromagnetic and thermal modelling approach has been developed to optimise the design of multiple radial stator vents in an air-cooled, synchronous generator with a power rating of several hundred kVA. An experimentally val... Read More about Combined Thermofluid and Electromagnetic Optimisation of Stator Vent Cooling.

Mass Production Costing of Induction Machines for Automotive Applications (2018)
Conference Proceeding

Cost is one of the key parameters of electric machines designed for automotive applications. In order to keep manufacturing cost low, it is desirable to estimate the manufacturing cost of the machine in the early stages of the design process. For thi... Read More about Mass Production Costing of Induction Machines for Automotive Applications.

Design of an Integrated Inductor for 45kW Aerospace Starter-Generator (2018)
Conference Proceeding

A close physical and functional integration of passive components is required to make an efficient and power dense overall system. Such power dense systems are a prerequisite in aerospace and marine applications. This paper presents a design of an in... Read More about Design of an Integrated Inductor for 45kW Aerospace Starter-Generator.

Electrical Machine Rotor Shielding for Low Cost Electrical Drive (2018)
Conference Proceeding

Electrical machine rotor shielding has been proposed for high-speed electrical machines, i.e. ≥50krpm, where a smooth current waveform becomes difficult and costly to generate due to the required high switching frequency. The rotor shielding is used... Read More about Electrical Machine Rotor Shielding for Low Cost Electrical Drive.

A methodology to remove stator skew in small-medium size synchronous generators via innovative damper cage designs (2018)
Journal Article

This paper proposes and investigates an innovative methodology that can have a significant impact on the market potential of wound field, small-medium size synchronous generators. The technique proposed here is aimed at removing the need for the trad... Read More about A methodology to remove stator skew in small-medium size synchronous generators via innovative damper cage designs.

Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle (2018)
Conference Proceeding

A switched reluctance machine (SRM) is very robust and capable to perform well under harsh conditions. It is simple in construction and avoids the use of magnets so it is cheap to manufacture. The powertrain of a hybrid vehicle presents challenging c... Read More about Design of a 43kW switched reluctance machine for a high performance hybrid electric vehicle.

Novel core designs to miniaturise passive magnetic components (2018)
Conference Proceeding

Converter sizes are often dominated by passive magnetic components. Passive magnetic component sizes are in turn limited by electromagnetic saturation and thermal limits. This paper covers two modifications to the air gaps of tape wound amorphous mag... Read More about Novel core designs to miniaturise passive magnetic components.

Considerations on the effects that core material machining has on an electrical machine's performance (2018)
Journal Article

An often-overlooked aspect during the development process of electrical machines, is the validity and accuracy of the machine material properties being used at the design stage. Designers usually consider the data provided by the materials supplier,... Read More about Considerations on the effects that core material machining has on an electrical machine's performance.

Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer (2017)
Conference Proceeding

Multi-megawatt scale isolated DC-DC converters are likely to become increasingly popular as means to interconnect the MVDC grids of different voltage levels. Three-phase dual active bridge DC-DC (3DAB) converters operating with the zero-voltage switc... Read More about Design considerations for a high-power dual active bridge DC-DC converter with galvanically isolated transformer.

Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter (2017)
Conference Proceeding

Three-phase Dual Active Bridge converter is advisable for the High-power DC-DC conversion system. In the ac link, galvanically isolated transformer operated at a medium frequency range provides stepping up or down of the secondary bridge voltage.... Read More about Geometry optimization and characterization of three-phase medium frequency transformer for 10kVA isolated DC-DC converter.

Design optimization of integrated rotor-less inductors for high-speed AC drive applications (2017)
Conference Proceeding

Discrete sub-system due to passive elements in motor drive require functional and structural integration to make efficient and power dense overall system. Such power dense system is the prerequisite in aerospace and marine applications. This paper pr... Read More about Design optimization of integrated rotor-less inductors for high-speed AC drive applications.

Sensitivity analysis for performance and power density improvements in salient-pole synchronous generators (2017)
Conference Proceeding

Objective of this paper is to provide design recommendations to improve the performance and power density of a 400kVA salient-pole synchronous generator, without exceeding the limitations due to critical parameters such as total harmonic distortion o... Read More about Sensitivity analysis for performance and power density improvements in salient-pole synchronous generators.

Design optimization of integrated rotational inductor for high-speed AC drive applications (2017)
Conference Proceeding

In order to make an efficient and power dense overall system, a close physical and functional integration of passive components is required instead of having a separate sub¬system for passives. Such power dense system is vital in aerospace and marine... Read More about Design optimization of integrated rotational inductor for high-speed AC drive applications.