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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
11-6 Power Electronics and Motor Drives
i I t
Lc m
= +
cos ω
π
φ
2
3
(
11.2c)
where E
m
(I
m
) and ω are amplitude of the phase voltage (current) and angular frequency, respectively.
Line-to-line input voltages of PWM converter can be described as
u S S u
Sab a b dc
= ( )
(
11.3a)
u S S u
Sbc b c dc
= ( )
(
11.3b)
u S S u
Sca c a dc
= ( )
(11.3c)
where
S
x
= 1 when the upper transistor of one leg in converter is switched ON (x = a, b, c)
S
x
= 0 when the lower transistor of one leg in converter is switched ON (x = a, b, c)
e phase voltages are equal:
u f u
Sa a dc
=
(11.4a)
u f u
Sb b dc
=
(11.4b)
u f u
Sc c dc
=
(11.4c)
where
f
S S S
a
a b c
=
+2
3
( )
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Publisher Resources

ISBN: 9781439802861