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Power Electronics and Motor Drives
book

Power Electronics and Motor Drives

by Bogdan M. Wilamowski, J. David Irwin
October 2018
Intermediate to advanced content levelIntermediate to advanced
1015 pages
40h 24m
English
CRC Press
Content preview from Power Electronics and Motor Drives
6-36 Power Electronics and Motor Drives
with
χ ξ ξ ξ= + +
1
2
3 1 9 1 4
2
( ) ( )
(6.48)
It is worth noticing that f(ξ) in (6.47) is a function of the saliency ratio ξ = L
q
/L
d
only. Its behavior is
reported in Figure 6.40. In the range between ξ = 2 and ξ = 6, such a function can be approximated by
the straight line f(ξ) ≈ ξ − 1, that is, shown in the same Figure 6.40 by a dashed line.
6.8.2 Decoupling between the Phases
In designing fault-tolerant PM motors, it is imperative to consider that any fault does not propagate from
a faulty phase to the other healthy phases. en, a complete decoupling among the phases is proposed
[34], includi ...
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Publisher Resources

ISBN: 9781439802861