Computation of optimal current references for flux-weakening of multi-phase synchronous machines

Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees of freedom, multi-phase machines are difficult to optimally operate in flux-wea...

Full description

Saved in:
Bibliographic Details
Main Authors: Li Lu, Aslan, B., Kobylanski, L., Sandulescu, P., Meinguet, F., Kestelyn, X., Semail, E.
Format: Conference Proceeding
Language:English
Subjects:
Current measurement
Lead
Q measurement
Torque
Online Access:Request full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:Multi-phase synchronous machines are more and more used in specific applications where high power density, low bus voltage, wide speed range and fault-tolerant capabilities are required. Due to the high number of degrees of freedom, multi-phase machines are difficult to optimally operate in flux-weakening zones. This paper proposes a technique to numerically compute optimal current references that can be used for feed-forward flux-weakening techniques in order to exploit the maximum machine performances for given DC bus voltage and current limits. The proposed technique is applied to a five-phase permanent magnet synchronous machine specifically developed for an automotive application.
ISSN:1553-572X
DOI:10.1109/IECON.2012.6389318