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201
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2252
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8814
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h
u
n
g
-
Mi
n
g
Yo
u
n
g
et
al.
,
(
2
0
1
3
)
th
e
co
m
b
i
n
ati
o
n
o
f
b
atter
ies
ca
n
b
e
co
n
tr
o
l
led
ac
co
r
d
in
g
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atter
ies
v
o
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g
es
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m
p
le
m
en
t
t
h
e
b
atter
y
-
b
ala
n
ci
n
g
f
u
n
ctio
n
.
P
an
d
a
et
al.
,
(
2
0
1
2
)
c
ascad
ed
m
u
ltil
e
v
el
in
v
er
ter
w
i
th
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w
-
f
r
eq
u
e
n
c
y
th
r
ee
-
p
h
ase
tr
a
n
s
f
o
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m
er
s
a
n
d
a
s
in
g
le
d
c
p
o
w
er
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o
u
r
ce
is
p
r
o
p
o
s
ed
.
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h
is
to
p
o
lo
g
y
ai
m
s
to
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ed
u
ce
t
h
e
n
u
m
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er
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co
m
p
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n
t
s
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d
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ed
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ce
th
e
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m
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lex
it
y
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f
t
h
e
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it.
Z
i
x
i
n
et
al
.
(
2
0
1
2
)
th
e
lev
el
o
f
t
h
e
o
u
tp
u
t
v
o
ltag
e
i
s
o
n
l
y
h
al
f
o
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th
e
d
c
-
li
n
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v
o
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g
e
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n
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itio
n
s
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g
to
m
u
ch
r
ed
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ce
d
d
v
/d
t.
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-
H
u
n
g
et
a
l.
,
(
2
0
1
1
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e
s
tu
d
ied
m
u
l
tis
tr
i
n
g
i
n
v
er
ter
to
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o
lo
g
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o
f
f
er
s
s
tr
o
n
g
ad
v
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ta
g
e
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s
u
ch
as
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m
p
r
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ed
o
u
tp
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t
w
av
e
f
o
r
m
s
,
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er
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tr
o
m
a
g
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e
tic
in
ter
f
er
en
ce
a
n
d
T
HD.
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ag
o
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al.
,
(
2
0
1
0
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e
p
r
o
p
o
s
ed
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er
ter
ca
n
o
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tp
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t
m
o
r
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n
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m
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er
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o
f
v
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n
th
e
s
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m
e
n
u
m
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er
o
f
s
w
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h
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n
g
d
ev
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s
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y
u
s
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n
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th
is
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n
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er
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io
n
.
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h
e
n
u
m
b
er
o
f
d
r
iv
i
n
g
c
ir
cu
it
s
is
r
e
d
u
ce
d
,
w
h
ich
lead
s
to
th
e
r
ed
u
ctio
n
o
f
t
h
e
p
o
w
er
co
n
s
u
m
p
tio
n
a
n
d
s
ize
in
t
h
e
d
r
iv
in
g
cir
cu
it
s
.
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h
e
T
HD
v
alu
e
o
f
th
e
o
u
tp
u
t
w
a
v
e
f
o
r
m
i
s
al
s
o
r
ed
u
ce
d
.
Nau
m
an
e
m
et
al.
,
(
2
0
1
0
)
p
u
ls
ed
in
v
er
ter
v
o
ltag
e
a
n
d
t
h
e
i
m
p
ed
a
n
ce
m
i
s
m
a
tch
b
et
w
ee
n
th
e
ca
b
le
a
n
d
t
h
e
m
o
to
r
ca
u
s
e
an
o
s
c
illati
n
g
o
v
e
r
v
o
ltag
e
i
n
th
e
m
o
to
r
ter
m
i
n
al
s
.
2.
H
-
B
RIDG
E
A
ND
H
-
T
YP
E
F
CM
L
I
Fig
u
r
e
1
s
h
o
w
s
t
h
e
d
if
f
er
e
n
t
t
y
p
es
o
f
m
u
lt
ilev
el
in
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er
ter
s
.
I
n
th
is
w
o
r
k
,
a
H
-
b
r
id
g
e
w
i
ll
p
r
o
d
u
ce
th
r
ee
o
u
tp
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t
le
v
els
a
n
d
H
-
t
y
p
e
FC
M
L
I
w
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ll
p
r
o
d
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ce
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iv
e
o
u
tp
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t
le
v
els.
B
o
th
t
h
e
m
o
d
u
le
s
ar
e
co
n
n
ec
ted
i
n
s
er
ies.
So
th
e
to
tal
o
u
tp
u
t
i
s
V
dc1
+
V
dc2
=
V
o
.
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h
e
o
u
tp
u
t
v
o
ltag
e
ac
r
o
s
s
t
h
e
lo
ad
w
ill
h
av
e
s
ev
e
n
le
v
els
a
n
d
th
e
n
u
m
b
er
o
f
ca
r
r
ier
s
r
eq
u
ir
e
d
to
p
r
o
d
u
ce
s
ev
e
n
o
u
tp
u
t
le
v
els
is
s
i
x
ca
r
r
ier
s
.
M
u
lti
-
ca
r
r
ie
r
b
ip
o
lar
tr
ian
g
u
lar
ca
r
r
ier
m
o
d
u
latio
n
s
tr
ateg
ies
w
it
h
d
if
f
er
e
n
t
r
ef
er
en
ce
s
ar
e
e
m
p
lo
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ed
f
o
r
th
e
s
t
u
d
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th
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ch
o
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M
L
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.
Fig
u
r
e
2
s
h
o
w
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t
h
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p
o
w
er
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cu
it
f
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r
th
r
ee
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ase
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b
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n
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-
t
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e
F
C
M
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I
.
T
h
e
m
u
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el
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n
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ter
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ar
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f
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Fig
u
r
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1
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ter
s
T
ab
le
1
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is
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la
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t
h
e
s
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h
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ates
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d
o
u
tp
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t
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o
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le
v
els
f
o
r
H
-
b
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d
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t
y
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e
f
l
y
i
n
g
ca
p
ac
ito
r
m
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ltil
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el
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n
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ter
.
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ab
le
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.
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-
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d
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er
ter
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s
w
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h
s
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s
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d
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u
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els
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t
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p
e
F
C
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LI
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c
2
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Evaluation Warning : The document was created with Spire.PDF for Python.
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8814
IJ
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ase
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f
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f
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r
e
5
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tal
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t v
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C
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f
o
r
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e
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IJ
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u
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
:
2
2
5
2
-
8814
IJ
AA
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
AA
S
I
SS
N:
2252
-
8814
Desig
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[1
]
E.
Ba
b
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t
a
l
.
,
“
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R.
Ba
n
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l
.
,
“
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[3
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Ba
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[4
]
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N.
Nn
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]
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l
.
,
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[6
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we
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[8
]
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Hu
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]
Y.
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m
i
,
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0
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