Optimum use of DC bus by fitting the back-electromotive force of a 7-phase permanent magnet synchronous machine

This paper deals with design constraints of a 7-phase permanent magnet synchronous machine (PMSM) supplied by a 7-leg voltage source inverter. The optimum back electromotive force waveform is determined in order to get maximum torque for a given DC bus voltage

[1]  J. W. Bennett,et al.  Fault-tolerant control architecture for an electrical actuator , 2004, 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551).

[2]  Alberto Tenconi,et al.  Analytical and Numerical Computation of RMS Current Stress on the DC Link Capacitor in Multiphase Voltage Source PWM Inverters , 2001 .

[3]  Joachim Holtz.  Pulsewidth modulation-a survey , 1992, IEEE Trans. Ind. Electron..

[4]  Thomas M. Jahns,et al.  Improved Reliability in Solid-State AC Drives by Means of Multiple Independent Phase Drive Units , 1980, IEEE Transactions on Industry Applications.

[5]  K. Atallah,et al.  Optimal torque control of fault-tolerant permanent magnet brushless machines , 2005, Digest of INTERMAG 2003. International Magnetics Conference (Cat. No.03CH37401).

[6]  S. Williamson,et al.  Pulsating torque and losses in multiphase induction machines , 2001, Conference Record of the 2001 IEEE Industry Applications Conference. 36th IAS Annual Meeting (Cat. No.01CH37248).

[7]  Werner Leonhard,et al.  Control of Electrical Drives , 1990 .

[8]  P. Viarouge,et al.  Polyphase PM Brushless DC Motor for High Reliability Application , 2004 .

[9]  Marcelo Godoy Simões,et al.  A high-torque low-speed multiphase brushless machine-a perspective application for electric vehicles , 2002, IEEE Trans. Ind. Electron..

[10]  S. Williamson,et al.  High torque dense naval propulsion motors , 2003, IEEE International Electric Machines and Drives Conference, 2003. IEMDC'03..

[11]  A. Bouscayrol,et al.  Sensitivity of a 5-phase brushless DC machine to the 7th harmonic of the back-electromotive force , 2004, 2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551).

[12]  Xavier Kestelyn,et al.  Right harmonic spectrum for the back-electromotive force of an n-phase synchronous motor , 2004, Conference Record of the 2004 IEEE Industry Applications Conference, 2004. 39th IAS Annual Meeting..