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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
21-16 Power Electronics and Motor Drives
change of the rotor time constant, T
r
, results in deviation in the slip frequency value,
sl
, calculated from
Equation 21.39. e predicted rotor ux position, γ
src
= ∫(p
b
m
+
slc
)dt, deviates from the actual position
angle, γ
sr
= ∫(p
b
m
+
r
)dt, which produces a torque angle (see Figure 21.2) deviation, δ = γ
src
γ
sr
, and,
consequently, leads to an incorrect subdivision of the stator current vector, I
s
, into two components, I
sd
and I
sq
. e decoupling condition of ux and torque control cannot be achieved. is leads to
Incorrect rotor ux, Ψ
r
, and torque current component, I
sq
, values in the steady-st ...
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Publisher Resources

ISBN: 9781439802861