Electromagnetic Papers

Brushless PM Machines

‘Multi-physics Analysis of a High Torque Density Motor for Electric Racing Cars’, ECCE 2015
POPESCU M., FOLEY I., STATON D. A., GOSS J.E.

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‘Proximity Losses in the Windings of High Speed Brushless Permanent Magnet AC Motors With Single Tooth Windings and Parallel Paths’, IEEE TRANSACTIONS ON MAGNETICS, VOL. 49, NO. 7, JULY 2013
POPESCU M., DORRELL D.G.

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‘A Method for Determining IPM Motor Parameters from Simple Torque Test Data’, IECON 2013, Vienna
POPESCU M., DORRELL D.

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‘Skin effect and Proximity Losses in High Speed Brushless Permanent Magnet Motors’, ECCE 2013, Denver, USA
POPESCU M., DORRELL D.G.

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‘THE DESIGN OF AC PERMANENT MAGNET MOTORS FOR ELECTRIC VEHICLES: A COMPUTATIONALLY EFFICIENT MODEL OF THE OPERATIONAL ENVELOPE’, PEMD 2012
GOSS J., MELLOR P.H., WROBEL R., STATON D.A., POPESCU M.

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‘Analytical Prediction of electromagnetic Performance of Surface Mounted Permanent Magnet Machines Based on subdomain Model Accounting for Tooth-Tips’, IET 2011, Electric Power Applications Appl., April 2011.
WU L.J., ZHU Z.Q., STATON D.A., POPESCU M., HAWKINS D.

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‘Odd Stator Slot Numbers in Brushless DC Machines — An Aid to Cogging Torque Reduction’, 2011
DORRELL D.G., POPESCU M.

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‘Performance Improvement in High-Performance Brushless Rare-Earth Magnet Motors for Hybrid Vehicles by Use of High Flux-Density Steel’, IEEE TRANSACTIONS ON MAGNETICS, VOL. 47, NO. 10, OCTOBER 2011
DORRELL D.G., KNIGHT A. M., Popescu M.

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‘Comparison of Different Motor Design Drives for Hybrid Electric Vehicles’, ECCE 2010, Atlanta, USA.
DORELL D., KNIGHT A., POPESCU M., EVANS L., STATON D.A

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‘Ultra-Fast Finite Element Analysis of Brushless PM Machines Based on Space-Time Transformations’, IEMDC 2009
IONEL, D.M., POPESCU, M.

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‘Finite Element Surrogate Model for Electric Machines with Revolving Field – Application to IPM Motors’, ECCE 2009.
IONEL, D.M., POPESCU, M.

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‘Unbalanced Magnetic Pull in Fractional-Slot Brushless PM Motors’, IAS 2008.
DORRELL D.G., POPESCU M., COSSAR C., IONEL D.

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‘Practical Application of CAD in a High Power Density Motor for a very short duty Aerospace Actuator’, UK Magnetics Society Seminar, Derby, Nov 2008
FLEW, A.

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‘A Unified Approach to the Synchronous Performance Analysis of Single and Poly-Phase Line-Fed Interior Permanent Magnet Motors’, IAS 2007.
POPESCU M., MILLER T.J.E., MCGILP M.I., COSSAR C., IONEL D., DELLINGER S.J.

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‘Design of Brushless Permanent Magnet Motors – A Combined Electromagnetic and Thermal Approach for High Performance’ IECON 2006, Paris, Nov 2006
DORRELL, D.G., STATON, D.A., McGILP, M.I.

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‘Torque Dense, External Rotor Hub-Drive for a Hybrid Solar Vehicle’, 2006 IEEE Vehicle Power and Propulsion Conference VPPC 2006, Windsor, UK, 6-8 Sept., 2006
WROBEL, R., McNEILL, N., STATON, D. A., BOOKER, J. D., MELLOR, P. H.

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‘Linked Electromagnetic and Thermal Modelling of a Permanent Magnet Motor’, PEMD 2006, Dublin, April 2006.
DORRELL, D.G., STATON, D.A., HAHOUT, J., HAWKINS, D., McGILP, M.I.

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‘Effect of Winding Harmonics on the Asynchronous Torque of a Single-Phase Line-Start Permanent-Magnet Motor’, IAS 2005.
POPESCU M., MILLER T.J.E., MCGILP M.I, KALLUF F.J.H, DA SILVA C., VON DOKONAL L.

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‘Line Start Permanent Magnet Motor: Single-Phase Starting Performance Analysis’, IAS 2002.
POPESCU M., MILLER T.J.E., MCGILP M.I., STRAPPAZZON G., TRIVILLIN N., SANTAROSSA R.

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Induction Machines

‘Effect of MMF Harmonics on Single-Phase Induction Motor Performance ­ A Unified Approach’, IAS 2007.
POPESCU M., RASMUSSEN C.B., MILLER T.J.E., MCGILP M.I., COSSAR C

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‘Analysis and Design of a Two-Speed Single-Phase Induction Motor with 2 and 18 Pole Special Windings’, IEMDC 2003.
POPESCU M., IONEL D.M., DELLINGER S., MILLER T.J.E., MCGILP M.

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‘Vector Control of Unsymmetrical Two-Phase Induction Machines’, IEMDC 2001
POPESCU M., IONEL D.M., DORRELL D.G.

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‘Induction Motor Modelling for Vector Control Purposes’, Helsinki University paper 2000
POPESCU M.

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Electric machines: General Aspects

‘Analysis and Design Techniques Applied to Hybrid Vehicle Drive Machines—Assessment of Alternative IPM and Induction Motor Topologies’, IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, VOL. 59, NO. 10, OCTOBER 2012
DORRELL D.G., KNIGHT A.M., EVANS L., POPESCU M.

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‘Effect of Winding Asymmetries and Winding Connection on Small Synchronous Machines’, ECCE 2010, Atlanta, USA
DORRELL D, POPESCU M.

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‘A General Model to Predict the Iron Losses in Inverter Fed Induction Motors’, ECCE 2009.
BOGLIETTI, A., CAVAGNINO, A., IONEL, D.M., POPESCU, M., STATON, D.A., VASCHETTO, S.

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‘A General Model of the Laminated Steel Losses in Electric Motors with PWM Voltage Supply’, IAS 2008.
IONEL D., POPESCU M., COSSAR C., MCGILP M.I., BOGLIETTI A., CAVAGNINO A.

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‘On the Physical Basis of Power Losses in Laminated Steel and Minimum-Effort Modeling in an Industrial Design Environment’, IAS 2007.
POPESCU M., MILLER T.J.E., MCGILP M., IONEL D., DELLINGER S.J., HEIDEMANN R.J.

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‘Prediction of the electromagnetic torque in synchronous machines through Maxwell stress harmonic filter (HFT) method’ Electrical Engineering (Archiv fur Elektrotechnik), Springer Verlag – Vol. 89, No. 2, December 2006, pp. 117-125
POPESCU M.

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Latest News

Read our latest white paper on ‘Performance Analysis of Electric Motor Technologies for an Electric Vehicle Powertrain’

In our latest white paper, we discuss how different design choices, such as motor topology, winding type and cooling system, can be compared and evaluated with the overall system impact in mind.

Celebrating 20 years of Motor Design Ltd and Motor-CAD

Motor Design Ltd is proud to celebrate 20 years of Motor-CAD software! Read our interview with MDL founder and company president, Dr David Staton.

Latest software release – Motor-CAD v12

Motor Design Ltd is delighted to announce the release of Motor-CAD v12 — the latest version of our unique software package dedicated to the electromechanical performance of motors and generators and the optimisation of their cooling.

Motor-CAD European User Conference 2019

We are delighted to announce that Motor Design Ltd’s inaugural European Motor-CAD User Conference will take place on the 20th-21st February 2019, in Birmingham, UK. The two-day event will bring together engineers and researchers working on eMachine design to learn about technological developments, share best practice and discuss their challenges and approaches.

Workshop on ‘Design Trends and Performance Analysis of BEV & HEV Electric Machines’ at Motor & Drive Systems 2019

Dr. David Staton will be running a workshop on ‘Design Trends and Performance Analysis of BEV & HEV Electric Machines’ at the 2019 Motor & Drive Systems Conference in Orlando, Florida.

Electric Drive Tail Rotor Team wins Team Bronze Medal at 2018 RAeS awards

We are delighted to announce that the Electric Drive Tail Rotor Team, which included representatives from MDL, was awarded a Team Bronze Medal at the 2018 Royal Aeronautical Society awards ceremony in November.

Watch our webinar on ‘Accounting for AC Winding Losses in the Electric Machine Design Process using Motor-CAD’

Watch a recording of our recent webinar on ‘Accounting for AC Winding Losses in the Electric Machine Design Process using Motor-CAD’.

UK Training Course on the Design of BPM and Induction Motors – 16th-18th October 2018

Registration open for our training course on the design of brushless permanent magnet (BPM) and induction motors using Motor-CAD.

U.S. Motor-CAD Users Meeting and Training – 17th-21st September 2018

Register now to attend our U.S. Motor-CAD users meeting and training course, taking place from 17th-21st September 2018 in Mason, Ohio

MDL welcomes Michael Rubbo – dedicated customer support for Motor-CAD users based in the U.S.

Motor Design Ltd are delighted to introduce Michael Rubbo, who will be supporting Motor-CAD users based in the U.S. as a Lead Applications Engineer.

Events

ECCE 2019 – Baltimore, MD, U.S.A, 29th September – 3rd October 2019

Motor Design Ltd will be presenting at ECCE 2019 in Baltimore, MD.

Electric and Hybrid Vehicle Technology Expo – Novi, Michigan, U.S.A, 10th – 12th September 2019

Motor Design Ltd will be exhibiting at the Electric and Hybrid Vehicle Technology Expo 2019.

ACEMP-METU – Istanbul, Turkey, 27th – 29th August 2019

Motor Design Ltd will be delivering a tutorial on ‘Practical design aspects for electrical machines in power traction applications for Electrical Vehicles’ at the 2019 ACEMP-METU conference in Istanbul, Turkey.

Motor-CAD Workshop: Pordenone, Italy

MDL will be running a free, introductory Motor-CAD workshop on the 24th September in Pordenone (Italy), ahead of the Coiltech Tradeshow.

Motor-CAD North America User Conference 2019

The 2019 Motor-CAD North America User Conference will take place in October in Detroit.

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