single-phase dc-ac converter%2c vol. viii
TRANSCRIPT
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DC-AC INVERTERS
Single-Phase
Three-Phase
Multi-Phase
INVERTER
DC OUTPUT
(1)
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SIN!E P"ASE
#U!! $RIDE INVERTER
1S
4S
3S
2SB
A
Current$i-Dire%ti&nal
(')
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1T
4T
2T
3T
1D
4D
2D
3D
A
B
Current
ire%ti&n
eterine
*hi%h
Di&es are t&satis+,
C!
(.)
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bpbn
2
pb
3
apan
4
ap
1
S1STofFunctionSwitching
S
TofFunctionSwitching
S1S
TofFunctionSwitching
S
TofFunctionSwitchingLet
=
=
==
=
(/)
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V!
1SS
1SS
bnbp
anap
=+
=+
inI
2
Vd
2Vd
0
apS
0I
anS
bpS
bnS0I
A B
[ ][ ]
AB
bpapd
anbnbpap
d
BoAoAB
pbbn
paan
dbnbpBO
danapAo
V
SSV
SSSS2
V
VVVSS
SS
2VSS!V
2
VSS!V
=
+=
==
=
=
=
(/)
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I 0 0
II 0 1
III 1 0
IV 1 1
apS bpS O"
bnan
SS
bpan SS
bnap
SS
bpap SS
[ ]bpapoin SSII =MODES O# OPERATION
()
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T!TSS00I 24bnan
2Vd
2Vd0I
0
A
B 0V
2VV
2VV
AB
dBO
dAO
=
=
=
0IA
B
2D
4D
2T4T
O"TD0I
O"TD0I
42o
24o
(2)
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0IA
B
3D
4D
3T
4T
0
O"TT0IO"DD0I
VV
2VV
2VV
34o
34o
dAB
d0B
d0A
=
=
=
bpan SS01II
(3)
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0I
A
B
1D
2T
1T
2D
0
bnap SS10III
O"DD0IO"TT0I
VV
2VV
2VV
21o
21o
dAB
d0B
d0A
=
=
=
(4)
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bpap SS11IV
0
0I
A B
1D
3D1T
3T
2Vd
2Vd31o
31o
AB
d0B
d0A
TD0IDT0I
0V
2VV
2VV
=
=
=
(5)
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B
1D 3D2
Vd
2
Vd
A
4D
2D
0
OFFTTTTV 4321
dAB
21o
dAB
34o
VVO"DD0I
VV
O"DD0I
=>
=
>
(10)
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CONTRO!
Can use All &r S&e &+ the M&es
Output#e$ont%o##abII&
Output#ab#e'ncont%o#&I
11
00with
01
10u(eO%II&
)ode(Acti*e10
01'(eI&
+)ethod(Two
(11)
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VOLTA,-O'T.'T/(
tn(in
n
V4V
VofSe%ie(Fou%ie%
VdtVV
31n
do
o
d
212T
0
2(T
2o
(
(
=
=
=
=
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dV
dV
10
01
2T(ABV
d
d(
d
e
31n
d
o
0&0V
2
V4/
V4#Fundaenta
f2tn(inn
V4
VofSe%ie(Fou%ie%
=
=
=
=
=
(1.)
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I+ the !&a is R-!
[ ] ( )
/
Ln
tnSinnLn!/
V4t!I
1
nn
n31n 2122
d
0
+=
+
=
=
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Se%&n C&ntr&l Meth&
Use all States6
2Fo%00
2Fo%00
Fo%10
Fo%01
dV
dV
10
01
00 11
(1/)
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( )tnSinn!$o(n
V4V
31n
dAB
=
=
#unaental C&7&nent
tnSin$o(n
V4 d
=
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Single-Phase8 #ull $rige
DC-AC In9erter
D$I
apT
anT
anD
bnT
bnD
apD
bpT
bpD
oI
A
B
A
B
SDC-1
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bnbn
bpbp
anan
apap
TS
TS
TS
TS
S*it%hing
#un%ti&ns
1SS
1SS
bnbp
anap
=+
=+
S*it%hing #un%ti&n eterines *hi%h Transist&r is turne
ON:O##;
Current Dire%ti&n eterines *hi%h Di&es are turne &n t&
satis+, C!;
SDC-'
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0 0 0
0 1
1 0
1 1 0
ALL OFF
OD) apS bpS AOV BOV ABV De*ice(O"
bn
an
T
T
I
bp
an
T
T
II
bn
ap
T
T
III
bp
ap
T
T
IV
V
2Vd
2
Vd
2
Vd
2Vd
2
Vd
2Vd
2Vd
0IDT0ITD
obnan
obnan
2
VddV 0ITT
0IDD
obpan
obpan
2
Vd dV 0IDD
0ITT
obnap
obnap
2Vd
0ITD
0ITD
obpap
oapbp
2
Vd
2Vd
dV
dV 0IDD
0IDD
obnap
obpan
SDC-.
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MODE I
anD
oI
0Io>
00
A
B
0IoA
A
B
0Io
apD
bnD
A
B
0Io