电力电子技术英文版 Chapter10.pdf

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Chapter 10
Application of Power Electronics
Power Electronics
Application ofPowerElecics
Application ofPowerElecics
FrequencyonvtsandACirs
FrequencyonvtsandACirs
Other applications Application nuiliypowersem Power factrrin(FC) Switchng Poerupply Uniterrupbl PowrSuppy(PS) DC motrdives(hyor
Other applications Application nuiliypowersem Power factrrin(FC) Switchng Poerupply Uniterrupbl PowrSuppy(PS) DC motrdives(hyor
-
-
DC motrsye)
DC motrsye)
2
Power Electronics
DCmotordivers
DCmotordivers
RevrsiblDCmotdyem Invertmodeofpaion Rectifrmodepeaon
RevrsiblDCmotdyem Invertmodeofpaion Rectifrmodepeaon
( Thyristor
( Thyristor
(four
(four
o c b
a
i
i i
T T
T
-
-
v v
v
quadrant opeaion
quadrant opeaion
3 2
1
-
-
DC motorsyem)
DC motorsyem)
L L L
B B B
VT VT VT
3 2
1
)
)
u
d
L
i
d
M
- +
E
M
3
Power Electronics
Rectifermodoopaton
Rectifermodoopaton
where
Waveforms andquations
U
where
Waveforms andquations
(for 3
(for 3
R
d
å
=
=
-
-
E
phase half
phase half
R
M
B
+
+
R
R
å
M
I
d
-
-
+
(10
(10
wave)
wave)
+
3
2
D
-
-
X
π
1)
1)
U
B
Waveforms 3
Waveforms 3
u
i
O O
d
d
rectif whDC motr load
rectif whDC motr load
i
c
α
u
a
i
a
u
b
i
d
i
R
b
-
-
phase half
phase half
u
c
i
c
u
d
-
-
wave
wave
U
E
d
4
ωω
t t
Power Electronics
when loadcurrtisonnuous Speed
when loadcurrtisonnuous Speed
n
E
For 3
For 3
U
For 3
For 3
nI
E
M
=
d
=­
M
=
1
=

=
.
1
1
17
-
-
-
-
.
.
C
17
phase bridge
phase half
phase bridge
phase half
17
U
-
UR
-
e
C
U
CC torque (m