Novel integrative options for passive filter inductor in high speed AC drives

Raza Khowja, M.; Gerada, C.; Vakil, Gaurang; Wheeler, Patrick; Patel, Chintanbai

doi:10.1109/IECON.2016.7793661

Enhancing electromagnetic launch capability: design of a small launch system for large UAVs (2017)
Conference Proceeding
Cox, T., Yang, T., & Gerada, C. (2017). Enhancing electromagnetic launch capability: design of a small launch system for large UAVs.

Unmanned Aerial Vehicles (UAVs) play a critical and increasing role in modern combat, giving significantly enhanced surveillance, communication and strike capabilities. There are currently a large range of UAV’s available, but in general the more cap... Read More about Enhancing electromagnetic launch capability: design of a small launch system for large UAVs.

uCube: Control platform for power electronics (2017)
Conference Proceeding
Galassini, A., Lo Calzo, G., Formentini, A., Gerada, C., Zanchetta, P., & Costabeber, A. (2017). uCube: Control platform for power electronics. In Proceedings - 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (216-221). https://doi.org/10.1109/WEMDCD.2017.7947749

This paper presents a versatile tool for development, control and testing of power electronics converters. In the last decade, many different expensive off-the-shelf tools for rapid prototyping and testing have been developed and commercialised by fe... Read More about uCube: Control platform for power electronics.

Design optimization of integrated rotor-less inductors for high-speed AC drive applications (2017)
Conference Proceeding
Raza Khowja, M., Gerada, C., Vakil, G., Patel, C., & Wheeler, P. (in press). Design optimization of integrated rotor-less inductors for high-speed AC drive applications. In 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (69-74)

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
Wang, Y., Vakil, G., Nuzzo, S., Degano, M., Galea, M., Gerada, C., …Brown, N. (2017). Sensitivity analysis for performance and power density improvements in salient-pole synchronous generators. In Proceedings - 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (163-168). https://doi.org/10.1109/WEMDCD.2017.7947741

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.

Analysis of salient-pole synchronous generators operating in single-phase condition (2017)
Conference Proceeding
Spagnolo, C., Nuzzo, S., Serra, G., Gerada, C., & Galea, M. (2017). Analysis of salient-pole synchronous generators operating in single-phase condition. In 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (33-38). https://doi.org/10.1109/WEMDCD.2017.7947720

The power generation industry has recently started to invest interest and focus on the single-phase operation of traditional three-phase, wound-field, synchronous generators. This is partially due to a combination of customer requirements and the nee... Read More about Analysis of salient-pole synchronous generators operating in single-phase condition.

Comparative study of permanent magnet-synchronous and permanent magnet-flux switching machines for high torque to inertia applications (2017)
Conference Proceeding
Al-Timimy, A., Giangrande, P., Degano, M., Galea, M., & Gerada, C. (2017). Comparative study of permanent magnet-synchronous and permanent magnet-flux switching machines for high torque to inertia applications. In Proceedings - 2017 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (45-51). https://doi.org/10.1109/WEMDCD.2017.7947722

This paper investigates the capability of both permanent magnet synchronous machine (PMSM) and permanent magnet flux switching (PMFS) machine to provide high torque to inertia ratio for applications with demanding response in terms of acceleration an... Read More about Comparative study of permanent magnet-synchronous and permanent magnet-flux switching machines for high torque to inertia applications.

Design optimization of integrated rotational inductor for high-speed AC drive applications (2017)
Conference Proceeding
Khowja, M. R., Gerada, C., Vakil, G., Patel, C., & Wheeler, P. (2017). Design optimization of integrated rotational inductor for high-speed AC drive applications.

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.

A hybrid analytical-numerical approach for the analysis of salient-pole synchronous generators with a symmetrical damper cage (2017)
Conference Proceeding
Nuzzo, S., Bolognesi, P., Galea, M., & Gerada, C. (2017). A hybrid analytical-numerical approach for the analysis of salient-pole synchronous generators with a symmetrical damper cage.

The equivalent circuit approach has been widely exploited for the theoretical analysis of electromagnetic devices. However, in the field of classical wound-field synchronous generators, the presence of the damper cage complicates the analysis of such... Read More about A hybrid analytical-numerical approach for the analysis of salient-pole synchronous generators with a symmetrical damper cage.

Realising robust low speed sensorless PMSM control using current derivatives obtained from standard current sensors (2017)
Conference Proceeding
Hind, D., Li, C., Sumner, M., & Gerada, C. (2017). Realising robust low speed sensorless PMSM control using current derivatives obtained from standard current sensors.

This paper describes the implementation of a simple, robust and cost-effective sensorless control technique for PMSM machines. The method uses stator current derivative measurements made in response to certain PWM vectors. In this work the derivative... Read More about Realising robust low speed sensorless PMSM control using current derivatives obtained from standard current sensors.

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 about Design and control of segmented triple three-phase SPM machines for fault tolerant drives.

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 about Radial force control for triple three-phase sectored SPM machines. Part I: Machine model.

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 about Radial force control for triple three-phase sectored SPM machines. Part II: Open winding fault tolerant control.

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.

Axial position estimation of conical shaped motor for green taxiing application (2016)
Conference Proceeding
Roggia, S., Galea, M., Gerada, C., & Cupertino, F. (2016). Axial position estimation of conical shaped motor for green taxiing application. In 2016 IEEE Energy Conversion Congress and Exposition (ECCE) - Proceedings (1-6). https://doi.org/10.1109/ECCE.2016.7854895

This paper considers the possibility of adopting a conical shaped motor for Green Taxiing (GT) application. This topology of motor has been selected in order to obviate the presence of external declutching system (i.e. mechanical or electromagnetic c... Read More about Axial position estimation of conical shaped motor for green taxiing application.

Active Magnetic Bearing system design featuring a predictive current control (2016)
Conference Proceeding
Papini, L., Tarisciotti, L., Costabeber, A., Gerada, C., & Wheeler, P. (2016). Active Magnetic Bearing system design featuring a predictive current control. In IECON 2016 Proceedings - 42nd Annual Conference of the IEEE Industrial Electronics Society (3217-3222). https://doi.org/10.1109/IECON.2016.7793444

Active Magnetic Bearing (AMB) technology is becoming attractive for several reasons such as high speed operations, high reliability and vibrations exemption. Moreover, AMB can behave as active vibration dampers and provide a real-time control of the... Read More about Active Magnetic Bearing system design featuring a predictive current control.

History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels (2016)
Conference Proceeding
Yang, T., Cox, T., Degano, M., Bozhko, S., & Gerada, C. (2016). History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels.

Due to developments in power electronics, electric machines, energy storage and control, electric propulsion and integrated electrical power systems have become major trends for commercial and naval vessels. This is mainly due to the fact that the us... Read More about History and recent advancements of electric propulsion and integrated electrical power systems for commercial & naval vessels.

Lifetime consumption and degradation analysis of the winding insulation of electrical machines (2016)
Conference Proceeding
Sciascera, C., Galea, M., Giangrande, P., & Gerada, C. (in press). Lifetime consumption and degradation analysis of the winding insulation of electrical machines.

In this paper, a novel multi-stress model which estimates the lifetime of the winding insulation relative to its duty cycle is proposed and investigated. With an adequate implementation of this model, then an electrical machine can be designed not on... Read More about Lifetime consumption and degradation analysis of the winding insulation of electrical machines.

Assessment of cooling methods for increased power density in electrical machines (2016)
Conference Proceeding
Tighe, C., Gerada, C., & Pickering, S. (in press). Assessment of cooling methods for increased power density in electrical machines.

A comprehensive thermal analysis of three different electrical machines is presented, with a view of identifying design aspects that can be exploited to achieve higher power density. A review of some novel cooling methods is initially made. Following... Read More about Assessment of cooling methods for increased power density in electrical machines.

Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets (2016)
Conference Proceeding
Walker, A., Galea, M., Gerada, D., Gerada, C., Mebraki, A., & Brown, N. (2016). Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets. In Proceedings - 2016 XXII International Conference on Electrical Machines (ICEM) (1611-1617). https://doi.org/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 about Development and design of a high performance traction machine for the FreedomCar 2020 traction machine targets.

Novel integrative options for passive filter inductor in high speed AC drives (2016)
Conference Proceeding
Raza Khowja, M., Gerada, C., Vakil, G., Wheeler, P., & Patel, C. (2016). Novel integrative options for passive filter inductor in high speed AC drives. In IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society. https://doi.org/10.1109/IECON.2016.7793661

This paper presents novel integration options for passive inductor which include: motor-shaped rotational and motor-shaped rotor-less inductor for high speed motor drive system. The novel options have been designed and their performance is compared w... Read More about Novel integrative options for passive filter inductor in high speed AC drives.

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