| Issue |
Eur. Phys. J. Appl. Phys.
Volume 43, Number 2, August 2008
Reliability in Electromagnetic Systems (IET)
|
|
|---|---|---|
| Page(s) | 159 - 163 | |
| Section | Physics of Energy Generation, Conversion and Storage | |
| DOI | https://doi.org/10.1051/epjap:2008057 | |
| Published online | 30 April 2008 | |
https://doi.org/10.1051/epjap:2008057
Fault tolerant multiphase electrical drives: the impact of design*
L2EP ENSAM, 8 boulevard Louis XIV, 59046 Lille, France
Corresponding author: Xavier.Kestelyn@lille.ensam.fr
Received:
28
June
2007
Accepted:
22
February
2008
Published online:
30
April
2008
This paper deals with fault tolerant multiphase electrical drives. The quality of the torque of a vector-controlled Permanent Magnet (PM) Synchronous Machine supplied by a multi-leg Voltage Source Inverter (VSI) is examined in normal operation and when one or two phases are open-circuited. It is then deduced that a seven-phase machine is a good compromise allowing high torque-to-volume density and easy control with smooth torque in fault operation. Experimental results confirm the predicted characteristics.
PACS: 84.50.+d – Electric motors / 07.10.Pz – Instruments for strain, force, and torque
© EDP Sciences, 2008
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