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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
21-26 Power Electronics and Motor Drives
Depending on how the switching sectors are selected, two dierent DTC schemes are possible. One, pro-
posed by Takahashi and Noguchi [23], operates with a circular stator ux vector path, and the second
one, proposed by Depenbrock [6], operates with a hexagonal stator ux vector path.
21.7.3 Switching Table-Based DTC: Circular Stator Flux Path
21.7.3.1 Basic Scheme
A block scheme of classical DTC (used by ABB Company [24]) is presented in Figure 21.23.
e stator ux magnitude, Ψ
sc
, and the motor torque, M
c
, are the command signals, which are com-
pared with the estimated Ψ
ˆ
s
and M
ˆ
e
values, respectively
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Publisher Resources

ISBN: 9781439802861