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1
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1
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e
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g
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8
5
V
with
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Fig
u
r
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in
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icate
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is
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.
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Fig
u
r
e
s
4
(
a
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an
d
4
(
b
)
also
d
ep
ict
with
in
cr
ea
s
e
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le
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el
g
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th
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e
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n
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ter
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HD
is
r
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ce
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.
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ab
le
2
d
ep
icts
v
ar
io
u
s
lo
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o
cc
u
r
r
ed
ac
r
o
s
s
th
e
s
em
ico
n
d
u
cto
r
s
witch
es
i.e
.
,
at
1
0
KHz
ca
r
r
ier
f
r
eq
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e
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cy
.
T
a
b
le
2
also
d
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at
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n
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ctio
n
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ac
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e
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g
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en
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e
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s
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ilit
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t
h
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Switch
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S
7
an
d
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8
ar
e
m
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tly
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ed
w
h
en
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e
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n
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ter
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r
k
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ate
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itiv
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ativ
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Hen
ce
s
witch
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g
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s
es
ar
e
m
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r
e
in
S
7
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d
S
8
co
m
p
ar
ed
to
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th
e
r
s
witch
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ab
le
3
d
ep
icts
ab
o
u
t
th
e
in
v
e
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ter
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s
.
Acc
o
r
d
in
g
to
th
e
v
ar
io
u
s
r
esear
ch
er
s
[
2
2
]
−
[
2
5
]
an
in
v
er
ter
h
as
m
ajo
r
two
ty
p
es
o
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l
o
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r
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s
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cted
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n
d
also
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en
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o
f
f
s
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(
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r
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f
f
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,
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s
wh
en
th
e
s
witch
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co
n
d
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ctio
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tate.
I
t
h
as
b
ee
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ca
lc
u
lated
f
r
o
m
its
in
p
u
t
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d
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u
tp
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t
p
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wer
with
its
v
o
ltag
e
T
HDs
an
d
cu
r
r
en
t
T
HDs.
T
ab
le
3
d
ep
icts
with
in
cr
ea
s
e
in
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
6
9
4
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
,
Vo
l.
13
,
No
.
1
,
M
ar
c
h
20
22
:
28
9
-
2
97
292
ca
r
r
ier
f
r
eq
u
e
n
cy
v
o
ltag
e
T
HD
en
h
an
ce
d
an
d
c
u
r
r
en
t
T
H
D
d
ec
r
ea
s
ed
.
At
1
0
KHz
ca
r
r
ier
f
r
eq
u
en
cy
v
o
ltag
e
T
HD
an
d
cu
r
r
e
n
t T
HD
ar
e
f
o
u
n
d
to
b
e
m
i
n
im
u
m
.
Hen
ce
it is
th
e
o
p
tim
u
m
c
o
n
d
itio
n
o
f
th
e
co
n
v
er
ter
w
h
ich
ca
n
b
e
co
n
s
id
er
e
d
f
o
r
h
ar
d
war
e
r
e
aliza
tio
n
.
(
a
)
(
b
)
(
c
)
(
d
)
Fi
g
u
r
e
4
.
Simu
latio
n
r
esu
lts
o
f
v
o
ltag
e
ac
r
o
s
s
l
o
ad
an
d
c
u
r
r
e
n
t
f
o
r
(
a
)
a
s
y
m
m
etr
ical
o
u
tp
u
t
v
o
ltag
e
s
ig
n
als,
(
b
)
a
s
y
m
m
etr
ical
o
u
tp
u
t c
u
r
r
e
n
t sig
n
al,
(
c
)
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s
y
m
m
e
t
r
i
c
a
l
o
u
t
p
u
t v
o
ltag
e
s
ig
n
al,
an
d
(
d
)
a
s
y
m
m
etr
ical
o
u
tp
u
t
cu
r
r
en
t (
1
7
lev
el
)
T
ab
le
2
.
L
o
s
s
c
alcu
latio
n
at
1
0
KHz
ca
r
r
ier
f
r
e
q
u
en
c
y
S
1
S
2
S
3
S
4
S
5
S
6
S
7
S
8
T
o
t
a
l
S
w
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t
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h
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ss
(
i
n
W
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5
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0
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1
6
0
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2
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0
0
2
3
0
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0
5
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4
8
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0
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0
6
0
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C
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(
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To
t
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l
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T
ab
le
3
.
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n
v
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ter
lo
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T
H
D
ac
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th
e
R
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lo
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a
r
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1
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5
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4
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6
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4
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5
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2
2
1
0
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2
7
5
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4
4
0
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2
8
T
ab
le
4
d
ep
icts
v
o
ltag
e
T
HD
is
r
ed
u
ce
d
a
n
d
c
u
r
r
e
n
t
T
HD
i
s
in
cr
ea
s
ed
with
in
cr
ea
s
e
in
m
o
d
u
latio
n
in
d
ex
.
Hen
ce
it
is
alwa
y
s
ad
v
is
ed
to
o
p
er
ate
th
e
co
n
v
er
t
er
at
h
ig
h
ca
r
r
ier
f
r
eq
u
e
n
cy
an
d
at
m
o
d
u
latio
n
in
d
ex
1
.
At
1
0
KHz
ca
r
r
ier
f
r
e
q
u
en
cy
v
o
ltag
e
T
HD
an
d
c
u
r
r
en
t
T
HD
ar
e
f
o
u
n
d
to
b
e
m
in
i
m
u
m
at
m
o
d
u
latio
n
in
d
ex
1
.
Fig
u
r
e
5
r
e
p
r
esen
ts
cu
r
r
en
t T
HD
at
v
ar
io
u
s
ca
r
r
ier
f
r
eq
u
e
n
cies o
f
th
e
in
v
er
ter
.
C
u
r
r
en
t T
HD
h
as b
ee
n
r
ed
u
ce
d
as
th
e
ca
r
r
ier
f
r
eq
u
e
n
cy
in
cr
ea
s
es.
I
t
in
d
icate
s
th
at
cu
r
r
en
t
b
ec
o
m
es
m
o
r
e
s
in
u
s
o
i
d
al
at
h
ig
h
er
ca
r
r
ie
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
I
SS
N:
2088
-
8
6
9
4
A
p
r
o
p
o
s
ed
a
s
ymm
etri
ca
l c
o
n
fig
u
r
a
tio
n
o
f c
a
s
ca
d
ed
mu
ltil
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el
in
ve
r
ter to
p
o
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g
y
fo
r
…
(
Li
p
ika
N
a
n
d
a
)
293
f
r
eq
u
e
n
cies.
W
ith
h
ig
h
m
o
d
u
l
atio
n
in
d
ex
v
o
ltag
e
T
HD
r
ed
u
ce
s
wh
ich
h
as
b
ee
n
o
b
s
er
v
ed
in
Fig
u
r
e
6
.
Hen
c
e
it
was
ad
v
is
ed
to
o
p
er
ate
t
h
e
in
v
er
ter
at
m
o
d
u
latio
n
in
d
ex
1
in
o
r
d
e
r
to
m
a
k
e
th
e
i
n
v
er
ter
o
u
tp
u
t
m
o
r
e
d
is
to
r
tio
n
f
r
ee
.
Als
o
,
in
T
ab
le
4
it wa
s
m
en
tio
n
ed
clea
r
l
y
.
T
ab
le
4
.
Mo
d
u
latio
n
i
n
d
ex
v
er
s
es T
HD
o
f
p
r
o
p
o
s
ed
to
p
o
l
o
g
y
(
1
3
lev
el)
M
o
d
u
l
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t
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n
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n
d
e
x
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T
H
D
I
T
HD
0
.
6
1
2
.
2
0
.
1
2
0
.
7
1
1
.
8
0
.
1
8
0
.
8
1
0
.
4
2
0
.
2
2
0
.
9
7
.
7
2
0
.
2
5
1
5
.
4
4
0
.
2
8
F
i
g
u
r
e
5.
C
u
r
r
en
t T
HD
v
s
c
ar
r
ier
f
r
eq
u
e
n
cy
F
i
g
u
r
e
6.
Vo
ltag
e
T
HD
v
s
m
o
d
u
latio
n
in
d
ex
at
1
0
KHz
6.
H
ARDWA
R
E
RE
A
L
I
Z
A
T
I
O
N
T
o
v
er
if
y
th
e
ef
f
ec
ti
v
en
ess
o
f
th
e
p
r
o
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o
s
ed
to
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o
lo
g
y
,
ex
p
e
r
im
en
tal
r
esu
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h
av
e
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ee
n
p
r
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ted
in
th
is
s
ec
tio
n
.
I
n
Fig
u
r
e
7
th
e
e
n
tire
co
n
v
er
ter
h
as
b
ee
n
co
n
s
i
d
er
ed
as
a
s
y
s
tem
/Pl
an
t
to
wh
ich
two
s
o
u
r
ce
s
a
r
e
attac
h
ed
.
T
h
e
o
u
t
p
u
t
o
f
th
e
i
n
v
er
ter
is
PW
M
co
n
tr
o
lled
an
d
it
is
co
n
tr
o
llin
g
th
e
s
y
s
tem
o
p
er
atio
n
.
T
h
e
b
lo
ck
d
iag
r
am
o
f
h
ar
d
war
e
wh
ich
h
as
b
ee
n
d
esig
n
ed
in
r
ese
ar
ch
lab
-
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I
o
f
Kalin
g
a
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n
s
titu
te
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