Referenced Items are not available for this document.
A new control scheme to extend the speed range of a four-pole induction machine is investigated. A three-phase stator winding is used with each of two coil groups per phase being independent resulting in a six-coupled circuit, six-terminal stator winding. Two inverters supply the machine with the required regulated currents to obtain the effect of either four-pole or two-pole windings. Four-pole operation is proposed from zero speed until the end of its constant power region. Employing contactorless pole changing to obtain two-pole operation extends the constant power region resulting in a doubling of the speed range for approximately the same inverter/machine rating. The application is to electric vehicles
Published in:
Industry Applications, IEEE Transactions on
(Volume:32
,
Issue:
4
)
Date of Publication: Jul/Aug 1996
- Page(s):
- 938 - 944
- ISSN :
- 0093-9994
- INSPEC Accession Number:
- 5354936
- Digital Object Identifier :
- 10.1109/28.511652
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Jul/Aug 1996
- Sponsored by :
- IEEE Industry Applications Society
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