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I
n
ca
s
e
o
f
lig
h
t
lo
ad
o
r
n
o
-
lo
ad
co
n
d
itio
n
,
it
is
d
if
f
i
cu
lt
to
co
n
tr
o
l
th
e
o
u
tp
u
t
v
o
ltag
e.
T
h
u
s
,
Z
V
S
is
li
m
i
ted
to
a
s
p
ec
i
f
ic
lo
ad
co
n
d
itio
n
s
an
d
i
n
p
u
t
v
o
lta
g
e
r
a
n
g
e
s
[
1
3
]
.
Sev
er
al
s
ch
e
m
es
h
av
e
b
ee
n
d
ev
elo
p
ed
to
s
o
lv
e
th
ese
p
r
o
b
le
m
s
,
s
u
ch
as
L
L
C
s
er
ie
s
r
eso
n
a
n
t
co
n
v
er
ter
to
p
o
lo
g
ies,
w
h
ic
h
h
a
v
e
g
ain
ed
m
a
n
y
at
te
n
tio
n
d
u
e
to
th
eir
m
er
it
o
f
ef
f
i
cien
t
co
n
v
er
s
io
n
an
d
h
i
g
h
v
o
l
tag
e
g
ai
n
[
1
4
]
-
[
1
6
]
.
T
h
ese
to
p
o
lo
g
ies
h
av
e
b
ee
n
i
n
tr
o
d
u
ce
d
w
i
th
f
u
ll
o
r
h
alf
b
r
id
g
e
in
v
er
ter
s
an
d
eith
er
ce
n
ter
tap
p
ed
o
r
f
u
ll
b
r
id
g
e
r
ec
tif
ier
s
,
th
e
ce
n
ter
tap
p
ed
r
ec
tif
ier
h
o
w
e
v
er
is
n
o
t
p
r
ef
er
r
ed
d
u
e
th
e
h
ig
h
v
o
lta
g
e
s
tr
ess
o
n
th
e
d
io
d
es
[
1
7
]
-
[
2
0
]
.
T
h
e
L
L
C
o
u
tp
u
t
v
o
ltag
e
o
r
c
u
r
r
en
t
ca
n
b
e
r
e
g
u
lated
in
a
w
id
e
r
a
n
g
e
b
y
v
ar
y
in
g
th
e
s
w
i
tch
in
g
f
r
eq
u
en
c
y
[
2
1
]
-
[
2
3
]
.
Me
d
iu
m
an
d
h
ig
h
v
o
lta
g
e
co
n
v
er
ter
s
with
f
u
ll
a
n
d
h
al
f
-
b
r
id
g
e
h
av
e
b
ee
n
p
r
esen
ted
a
n
d
d
ev
elo
p
ed
in
m
an
y
i
n
d
u
s
tr
y
ap
p
licatio
n
s
.
Ma
j
o
r
ity
o
f
p
r
ev
io
u
s
w
o
r
k
s
h
av
e
co
v
er
ed
th
e
h
alf
b
r
id
g
e
f
o
r
a
r
eso
n
an
t
co
n
v
er
ter
an
d
h
a
v
e
b
ee
n
p
r
esen
ted
in
m
u
lt
ilev
e
l
i
n
v
er
ter
s
w
i
th
in
ter
lea
v
ed
r
eso
n
an
t
ta
n
k
,
d
u
e
to
th
e
f
ac
t t
h
at
f
u
ll b
r
id
g
e
co
n
v
er
ter
s
ca
u
s
e
h
ig
h
cir
cu
la
tin
g
c
u
r
r
en
t
lo
s
s
es a
n
d
n
ar
r
o
w
r
an
g
e
o
f
Z
VS [
2
0
,
2
4
-
2
6
]
.
T
h
is
p
ap
er
p
r
esen
ts
t
h
e
d
esi
g
n
co
n
s
id
er
atio
n
o
f
f
u
l
l
b
r
id
g
e
s
er
ies
r
eso
n
an
t
co
n
v
er
ter
th
at
ca
p
ab
le
o
f
w
o
r
k
i
n
g
ab
o
v
e
r
eso
n
an
t
f
r
eq
u
en
c
y
to
ac
h
ie
v
e
Z
V
S
t
u
r
n
-
o
n
f
o
r
all
p
o
w
er
s
w
i
tch
e
s
.
T
h
e
co
n
v
e
r
ter
h
as
b
ee
n
test
ed
w
i
th
d
if
f
er
e
n
t
v
al
u
es
o
f
s
w
i
tch
i
n
g
f
r
eq
u
e
n
c
y
i
n
o
r
d
er
to
in
v
es
tig
a
te
th
e
o
p
er
atio
n
r
eg
io
n
o
f
Z
VS
a
n
d
to
clar
if
y
t
h
e
b
o
u
n
d
ar
y
b
et
w
ee
n
Z
VS
a
n
d
Z
C
S.
Fu
r
t
h
er
m
o
r
e,
a
h
ig
h
f
r
eq
u
e
n
c
y
s
tep
-
u
p
tr
a
n
s
f
o
r
m
er
h
as
b
ee
n
d
esig
n
ed
an
d
co
n
n
ec
ted
i
n
s
er
i
es
w
it
h
p
r
o
p
o
s
ed
r
eso
n
an
t
ta
n
k
an
d
t
h
e
f
u
ll
b
r
id
g
e
r
ec
ti
f
ier
i
n
o
r
d
er
to
f
u
n
ctio
n
as
th
e
f
o
llo
w
i
n
g
:
(
1
)
tu
r
n
o
n
Z
VS
f
o
r
all
s
w
itc
h
es;
(
2
)
to
co
m
p
ar
e
w
id
e
Z
V
S
r
an
g
e
w
it
h
r
esp
ec
t
to
th
e
co
n
v
e
n
tio
n
al
s
er
ie
s
r
eso
n
an
t
co
n
v
er
ter
;
(
3
)
to
d
ec
r
ea
s
e
th
e
s
w
itc
h
i
n
g
f
r
eq
u
e
n
c
y
to
r
ed
u
ce
th
e
elec
tr
o
m
a
g
n
et
ic
in
ter
f
er
e
n
ce
;
(
4
)
to
p
r
o
d
u
ce
h
ig
h
co
n
v
er
s
io
n
ef
f
icie
n
c
y
a
n
d
h
ig
h
p
o
w
er
d
en
s
it
y
;
an
d
(
5
)
to
r
e
d
u
ce
v
o
ltag
e
s
tr
ess
o
f
p
o
w
er
s
w
itc
h
es.
Fi
n
all
y
,
to
co
r
r
o
b
o
r
ate
th
e
v
alid
i
t
y
a
n
d
a
n
al
y
s
is
o
f
w
id
e
r
a
n
g
e
o
f
t
u
r
n
ed
-
o
n
ze
r
o
v
o
lt
ag
e
s
w
itc
h
in
g
o
f
t
h
e
s
er
ies
r
eso
n
an
t
D
C
DC
co
n
v
er
ter
,
an
ex
p
er
i
m
e
n
t
o
f
t
h
e
p
r
o
p
o
s
ed
co
n
v
er
ter
b
ased
o
n
a
2
.
2
k
W
lab
o
r
ato
r
y
p
r
o
to
ty
p
e
h
as b
ee
n
co
n
d
u
cted
.
2.
F
UL
L
-
B
RID
G
E
S
E
RI
E
S R
E
SO
NAN
T
CO
NV
E
RT
E
R
(
SRC
T
h
e
b
asic
co
m
p
o
n
e
n
t
s
o
f
t
h
e
SR
C
ar
e
s
h
o
w
n
i
n
Fig
u
r
e
1
.
E
ac
h
p
ar
t
o
f
t
h
e
co
n
v
er
ter
p
er
f
o
r
m
s
a
s
p
ec
if
ic
ta
s
k
,
as
s
u
m
m
ar
ized
in
th
is
s
ec
t
io
n
.
T
h
e
DC
s
o
u
r
c
e
p
o
w
er
s
th
e
f
u
ll
b
r
id
g
e
in
v
er
ter
s
w
i
tch
e
s
w
h
ic
h
r
ap
id
ly
tu
r
n
s
o
n
an
d
o
f
f
,
ac
co
r
d
in
g
to
th
e
s
w
itc
h
i
n
g
f
r
eq
u
e
n
c
y
,
to
g
en
er
ate
t
h
e
o
u
tp
u
t
v
o
ltag
e,
an
d
av
er
ag
e
v
al
u
e
o
f
t
h
e
s
w
i
tch
ed
-
i
n
p
u
t
v
o
ltag
e
d
u
r
i
n
g
t
h
e
s
p
ec
if
ic
t
i
m
e
p
er
io
d
.
T
o
r
ed
u
ce
elec
tr
o
m
ag
n
et
ic
in
ter
f
er
e
n
ce
an
d
h
ar
m
o
n
ic
d
is
to
r
tio
n
,
a
r
eso
n
an
t
tan
k
co
n
tai
n
in
g
L
an
d
C
is
u
s
ed
to
g
en
er
ate
s
in
u
s
o
id
al
v
o
lta
g
e
an
d
cu
r
r
en
t
s
ig
n
al
s
[
2
7
]
.
Sin
ce
t
h
i
s
R
C
ta
n
k
co
m
p
o
n
e
n
t
is
u
s
ed
as
an
e
n
er
g
y
b
u
f
f
er
b
et
w
ee
n
th
e
t
h
e
s
w
itc
h
in
g
n
et
w
o
r
k
a
n
d
th
e
r
ec
tifie
r
n
et
wo
r
k
,
th
e
tan
k
v
al
u
es
ca
n
b
e
d
eter
m
in
ed
b
y
t
h
e
f
r
eq
u
e
n
c
y
s
ele
ctiv
e
n
e
t
w
o
r
k
.
T
h
e
p
r
in
cip
le
is
th
at,
u
n
d
er
r
eso
n
a
n
ce
co
n
d
itio
n
,
t
h
e
i
m
p
ed
an
ce
o
f
in
d
u
cta
n
ce
m
u
s
t
b
e
eq
u
al
to
th
e
ca
p
ac
itan
ce
,
th
u
s
g
e
n
er
ates
t
h
e
r
eso
n
a
n
ce
f
r
eq
u
en
c
y
.
Ult
i
m
a
tel
y
,
t
h
e
o
u
t
p
u
t
s
ig
n
al
i
s
r
ec
tif
ied
an
d
f
i
lte
r
ed
to
g
en
er
ate
th
e
d
esire
d
DC
o
u
tp
u
t
v
o
lta
g
e
[
2
8
]
.
On
ce
th
e
r
eso
n
a
n
t
ta
n
k
i
m
p
ed
an
ce
v
alu
e
is
c
h
o
s
en
,
t
h
e
t
an
k
c
u
r
r
en
t
s
h
o
u
ld
b
e
en
s
u
r
ed
en
o
u
g
h
to
r
ea
ch
t
h
e
o
u
tp
u
t.
Fro
m
t
h
e
ta
n
k
p
ar
a
m
eter
s
,
r
eso
n
a
n
t
f
r
eq
u
e
n
c
y
a
n
d
t
h
e
ta
n
k
i
m
p
ed
an
ce
eq
u
atio
n
s
ca
n
b
e
o
b
tain
ed
as in
eq
u
atio
n
(
2
)
an
d
(
3
)
:
(
1
)
√
(
2
)
√
(
3
)
Fig
u
r
e
1
.
T
h
e
ty
p
ical
co
n
f
i
g
u
r
atio
n
o
f
t
h
e
(
SR
C
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
694
IJ
PEDS
Vo
l.
8
,
No
.
2
,
J
u
n
e
2
0
1
7
:
8
1
2
–
8
2
5
814
2
.
1
.
Series
Reso
na
nt
Co
nv
er
t
er
Cha
ra
ct
er
is
t
ics
I
n
SR
C
,
t
h
e
tan
k
is
lin
k
ed
in
s
er
ies
w
it
h
th
e
r
ec
tif
ier
-
lo
a
d
n
et
w
o
r
k
.
T
h
e
lo
ad
an
d
r
eso
n
an
t
tan
k
f
u
n
ctio
n
as
a
v
o
lta
g
e
d
i
v
id
er
.
T
h
e
i
m
p
ed
an
ce
o
f
r
e
s
o
n
a
n
t
ta
n
k
w
ill
b
e
c
h
an
g
ed
b
y
a
lter
in
g
t
h
e
f
r
eq
u
en
c
y
o
f
d
r
iv
in
g
v
o
lta
g
e
to
th
e
r
eso
n
an
t
n
et
w
o
r
k
,
w
h
ic
h
as
d
ep
icted
in
Fig
u
r
e
2
.
T
h
e
in
p
u
t
v
o
ltag
e
i
s
s
p
lit
b
et
w
ee
n
t
h
i
s
i
m
p
ed
an
ce
a
n
d
th
e
e
f
f
ec
ti
v
e
r
esis
ta
n
ce
[
1
1
]
.
T
h
e
DC
g
ai
n
o
f
SR
C
i
s
al
w
a
y
s
lo
w
er
t
h
a
n
u
n
it
y
,
b
ec
au
s
e
it
w
o
r
k
s
as
a
v
o
lta
g
e
d
iv
id
er
.
T
h
e
g
ai
n
ca
n
b
e
ca
lcu
lated
b
y
u
s
i
n
g
th
e
g
a
in
eq
u
at
io
n
M,
E
q
u
atio
n
4
.
A
t
li
g
h
t
-
lo
ad
co
n
d
itio
n
,
if
t
h
e
lo
ad
r
esi
s
tan
ce
i
s
to
o
lar
g
e
co
m
p
ar
ed
t
o
th
e
i
m
p
ed
an
ce
o
f
t
h
e
r
eso
n
a
n
t
n
e
t
w
o
r
k
Z
0
,
all
th
e
in
p
u
t v
o
lta
g
e
s
w
ill b
e
i
m
p
o
s
ed
o
n
th
e
lo
ad
.
T
h
is
m
a
k
es i
t d
if
f
ic
u
lt to
m
o
d
u
late
t
h
e
o
u
tp
u
t a
t li
g
h
t lo
ad
.
Fig
u
r
e
2
.
E
q
u
iv
ale
n
t c
ir
cu
it o
f
th
e
d
c
-
d
c
s
er
ies r
eso
n
a
n
t c
o
n
v
er
ter
√
(
4
)
T
h
e
m
o
d
es
o
f
o
p
er
atio
n
s
o
f
th
e
SR
C
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I
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r
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u
r
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4
.
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w
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m
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f
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b
r
id
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(
SR
C
)
w
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r
k
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t
2
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2
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1
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M
o
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I
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(
bet
w
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0
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t
1
)
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t c
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ev
a
lu
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s
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g
:
[
]
(
5
)
[
]
(
6
)
2
.
2
.
2
.
M
o
de
I
I
:
(
bet
w
ee
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)
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f
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w
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n
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eq
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atio
n
s
:
[
]
(
7
)
+
[
]
[
]
(
8
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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N
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8
8
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694
IJ
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1
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2
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4
.
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(
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4
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ated
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:
[
]
(
1
1
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-
[
]
(
1
2
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3.
S
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R
I
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S
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SR
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1
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HF
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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8
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F
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1
3
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(
1
4
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3
.
2
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rinciple
T
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5
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3
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2
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1
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Me
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n
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Q
3
a
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3
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2
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2
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Reso
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T
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Fig
u
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6
.
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h
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s
in
u
s
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h
t
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3
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2
.
3
Dio
de
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Fi
g
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6
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