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Vo
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10
,
No
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Feb
r
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ar
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2
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e
q
u
ir
e
d
DC
s
o
u
r
ce
s
als
o
in
cr
ea
s
es,
d
u
e
t
o
th
e
a
b
o
v
e
d
is
cu
s
s
ed
f
ac
t
i
t
is
n
o
t
an
ef
f
ec
tiv
e
m
eth
o
d
.
I
n
t
h
e
s
ec
o
n
d
ty
p
e
a
ll
th
e
DC
in
p
u
t
v
o
l
tag
e
s
o
u
r
ce
s
u
s
ed
h
as
d
if
f
er
en
t
am
p
litu
d
e
,
d
u
e
t
o
th
e
u
n
e
q
u
al
v
o
lt
ag
e
s
o
u
r
ce
s
th
is
m
eth
o
d
elim
in
ates
th
e
d
is
ad
v
an
tag
e
o
f
s
y
m
m
etr
ic
ty
p
e
an
d
it
is
m
o
r
e
f
lex
i
b
le
an
d
m
o
d
u
la
r
in
s
t
r
u
ctu
r
e
an
d
o
p
er
ati
o
n
.
T
h
e
ca
s
ca
d
e
d
H
b
r
i
d
g
e
ML
I
ar
e
w
id
ely
u
s
ed
in
P
V
s
y
s
tem
s
,
UP
S
s
y
s
te
m
s
etc.
I
n
asy
m
m
etr
ic
ty
p
e
p
r
o
p
e
r
s
ele
cti
o
n
th
e
v
alu
e
o
f
th
e
DC
s
o
u
r
ce
s
th
e
q
u
al
ity
o
f
th
e
o
u
t
p
u
t
v
o
ltag
e
w
av
ef
o
r
m
,
th
e
n
u
m
b
e
r
o
f
DC
s
o
u
r
ce
s
r
e
q
u
i
r
e
d
an
d
th
e
r
e
q
u
i
r
em
en
t
o
f
p
o
w
er
e
lec
tr
o
n
i
cs
c
o
m
p
o
n
en
ts
is
m
an
ag
ed
in
an
ef
f
ec
ti
v
e
m
an
n
er
[
1
1
-
1
7
]
.
Fo
r
s
e
le
ctin
g
th
e
am
p
litu
d
e
o
f
th
e
DC
s
o
u
r
c
es v
a
r
i
o
u
s
m
eth
o
d
ar
e
a
d
o
p
t
e
d
.
A
ll
ty
p
es
o
f
ML
I
d
is
cu
s
s
e
d
s
o
f
a
r
r
e
q
u
i
r
es
a
c
o
n
t
r
o
l
s
ig
n
al
f
o
r
o
p
e
r
at
in
g
th
e
p
o
w
er
ele
ctr
o
n
i
cs
co
m
p
o
n
en
ts
p
r
esen
t
in
th
e
c
ir
cu
i
t.
T
h
e
r
e
a
r
e
v
ar
i
o
u
s
co
n
tr
o
l
t
ec
h
n
i
q
u
es
av
ail
a
b
le
t
o
ef
f
ec
tiv
e
ly
o
p
er
ate
th
e
p
o
w
er
elec
t
r
o
n
ics
c
o
m
p
o
n
en
ts
in
o
r
d
e
r
to
a
ch
iev
e
q
u
a
lity
s
tair
c
ase
o
u
t
p
u
t
w
av
ef
o
r
m
[
1
8
-
2
4
]
.
I
n
r
ec
en
t
y
ea
r
s
P
u
ls
e
W
id
th
Mo
d
u
la
ti
o
n
(
PW
M
)
b
as
ed
co
n
t
r
o
l
t
ec
h
n
iq
u
es
a
r
e
w
id
ely
u
s
ed
d
u
e
t
o
v
ar
i
o
u
s
r
ea
s
o
n
s
lik
e
less
s
w
itch
in
g
lo
s
s
es
an
d
less
s
tr
ess
o
n
p
o
w
er
el
ec
t
r
o
n
ics
co
m
p
o
n
en
ts
.
T
h
e
v
ar
io
u
s
PW
M
c
o
n
t
r
o
l
m
eth
o
d
av
ail
ab
le
ar
e
s
in
u
s
o
i
d
al
PW
M
,
m
u
ltip
l
e
PW
M
,
s
e
le
ctiv
e
h
a
r
m
o
n
ic
PW
M
,
s
p
a
ce
v
ec
to
r
m
o
d
u
lati
o
n
,
m
u
ltip
l
e
ca
r
r
i
e
r
s
in
u
s
o
i
d
al
PW
M
etc
.
I
n
th
is
p
ap
e
r
tw
o
m
o
d
u
la
r
A
C
ML
I
is
p
r
o
p
o
s
e
d
w
ith
m
in
i
m
a
l
p
o
w
er
elec
t
r
o
n
ic
s
co
m
p
o
n
en
ts
an
d
in
p
u
t
DC
s
o
u
r
ce
s
.
B
o
th
th
e
ci
r
cu
it
im
p
l
em
en
ts
th
e
s
a
m
e
co
n
tr
o
l
s
ch
em
e
f
o
r
o
b
tain
in
g
th
e
r
e
q
u
i
r
e
d
s
tai
r
c
ase
o
u
t
p
u
t
.
T
h
e
tw
o
ci
r
cu
i
ts
p
r
o
p
o
s
e
d
a
r
e
s
i
m
u
lated
in
MA
T
L
A
B
Sim
u
lin
k
en
v
ir
o
n
m
en
t.
2.
P
RO
P
O
SE
D
M
UL
T
I
L
E
V
E
L
I
NV
E
R
T
E
R
T
h
e
p
r
o
p
o
s
ed
t
w
o
M
L
I
cir
cu
i
ts
i
n
t
h
is
p
ap
er
u
s
e
f
o
u
r
d
i
f
f
er
en
t
D
C
s
o
u
r
ce
f
o
r
o
b
tain
in
g
f
o
u
r
t
y
n
i
n
e
lev
el
s
tep
p
ed
o
u
tp
u
t
i
n
t
h
e
r
es
is
ti
v
e
lo
ad
w
it
h
t
h
e
o
u
tp
u
t
o
b
tain
ed
is
f
u
r
t
h
er
f
ilter
ed
b
y
a
L
C
f
i
lter
to
g
e
n
er
ate
a
p
u
r
e
s
in
e
w
av
e
f
o
r
m
.
T
h
e
f
i
lter
r
eq
u
ir
ed
f
o
r
th
e
ab
o
v
e
d
esig
n
i
s
v
er
y
les
s
co
m
p
ar
ed
t
o
th
e
co
n
v
en
t
io
n
al
in
v
er
ter
in
p
r
ac
tice.
B
o
th
t
h
e
cir
cu
it
s
d
is
c
u
s
s
ed
h
er
e
u
s
e
t
h
e
b
asic
m
a
th
e
m
atica
l
o
p
er
atio
n
o
f
ad
d
itio
n
a
n
d
s
u
b
tr
ac
tio
n
b
et
w
ee
n
th
e
v
o
lt
ag
e
s
o
u
r
ce
s
a
v
ailab
le
i
n
th
e
in
p
u
t
s
id
e.
Mo
d
u
lar
4
9
le
v
el
A
C
ML
I
u
s
i
n
g
th
e
p
r
o
p
o
s
ed
m
et
h
o
d
o
lo
g
y
is
s
h
o
w
n
b
elo
w
in
Fig
u
r
e
1
.
T
h
is
cir
cu
it
co
n
s
is
t
s
o
f
to
tall
y
f
i
v
e
b
r
id
g
es
w
h
er
e
t
h
e
f
o
u
r
b
r
id
g
es
ar
e
co
n
n
ec
ted
to
th
e
i
n
p
u
t
v
o
lta
g
e
s
o
u
r
ce
s
s
ep
ar
atel
y
an
d
th
e
f
if
t
h
b
r
id
g
e
is
co
n
n
ec
ted
to
t
h
e
lo
ad
as s
h
o
w
n
i
n
t
h
e
Fi
g
u
r
e
1
.
E
ac
h
b
r
id
g
e
h
a
s
f
o
u
r
p
o
w
er
d
ev
ices
a
n
d
th
er
e
ar
e
to
tall
y
2
0
p
o
w
er
d
ev
ice
s
av
a
il
ab
le
f
o
r
co
n
v
er
tin
g
t
h
e
DC
v
o
ltag
e
av
ailab
le
i
n
th
e
i
n
p
u
t
s
id
e
to
A
C
v
o
ltag
e
av
ailab
le
at
t
h
e
lo
ad
.
T
h
e
b
r
id
g
es
I
,
I
I
,
I
I
I
an
d
I
V
ar
e
c
ap
ab
le
o
f
p
r
o
v
id
in
g
p
o
s
itiv
e
o
r
n
eg
at
iv
e
v
o
ltag
e
d
e
p
en
d
in
g
o
n
th
e
p
o
w
er
d
ev
ice
o
p
er
ated
.
T
h
e
o
p
er
atio
n
o
f
th
e
b
r
id
g
es
f
o
r
o
b
tain
in
g
s
o
m
e
v
o
lta
g
e
s
t
ep
s
is
d
is
c
u
s
s
ed
b
elo
w
in
Fig
u
r
e
3
w
it
h
n
ec
es
s
ar
y
cir
cu
it
d
iag
r
a
m
.
B
r
id
g
e
–
I
h
as
p
o
w
er
d
e
v
ices
B
11
,
B
12
,
B
13
,
B
14
an
d
v
o
ltag
e
in
p
u
t
V
1
s
i
m
ilar
l
y
b
r
id
g
e
I
I
,
I
I
I
an
d
I
V
h
as
d
ev
ices
B
21
,
B
22
,
B
23
,
B
24,
B
31
, B
32
,
B
33
,
B
34
B
41
,
B
42
,
B
43
,
B
44
an
d
v
o
ltag
e
in
p
u
t
s
V
2
,
V
3
an
d
V
4
r
esp
ec
tiv
e
l
y
.
T
h
e
b
r
id
g
e
V
ac
ts
as
t
h
e
m
ain
b
r
id
g
e
w
i
th
p
o
w
er
d
ev
ices
M
1
,
M
2
,
M
3
,
M
4
an
d
lo
ad
.
So
m
e
o
f
th
e
v
o
ltag
e
le
v
els
p
o
s
s
ib
le
b
y
t
h
e
ML
I
c
ir
cu
it
I
is
tab
u
lated
in
T
ab
le
1
.
W
h
er
e
1
r
ef
er
s
th
at
th
e
s
w
itc
h
i
n
ON
s
tate
a
n
d
0
r
ef
er
s
t
h
at
t
h
e
s
w
itc
h
i
s
i
n
OF
F
s
tate.
A
s
s
h
o
w
n
in
T
ab
le
1
,
if
th
e
v
o
ltag
e
in
p
u
ts
ar
e
o
f
d
if
f
er
e
n
t v
al
u
es t
h
e
n
u
m
b
er
o
f
v
o
lta
g
e
lev
el
i
n
cr
ea
s
e
s
.
T
h
e
o
p
er
atio
n
o
f
t
h
e
cir
c
u
it
f
o
r
th
e
g
e
n
er
atio
n
o
f
r
eq
u
ir
ed
s
t
ep
p
ed
w
av
e
f
o
r
m
in
t
h
e
lo
ad
i
s
d
escr
ib
ed
in
Fi
g
u
r
e
3
.
T
h
e
s
ec
o
n
d
cir
cu
it
is
a
m
o
d
u
lar
4
9
lev
el
m
o
d
if
ied
H
b
r
id
g
e
AC
M
L
I
w
it
h
as
y
m
m
etr
ica
l
v
o
lta
g
e
in
p
u
t
s
as
s
h
o
w
n
in
F
ig
u
r
e
2
.
T
h
is
cir
cu
it
co
n
s
i
s
ts
o
f
f
o
u
r
DC
v
o
ltag
e
in
p
u
ts
V
1
,
V
2
,
V
3
,
V
4
an
d
s
ix
tee
n
p
o
w
er
d
ev
ices
t
h
e
y
ar
e
S
1
,
S
2
,
S
3
,
S
4
,
S
R1
,
S
R2
,
S
L1
,
S
L2
,
etc.
Her
e
a
ll
th
e
D
C
v
o
ltag
e
s
o
u
r
ce
s
V
1
,
V
2
,
V
3
an
d
V
4
h
as
a
p
o
w
er
d
ev
ice
i
n
s
er
ies
a
n
d
a
p
o
w
er
d
e
v
ice
i
n
p
ar
allel
w
i
th
it.
I
f
t
h
e
D
C
v
o
ltag
e
s
o
u
r
ce
is
r
eq
u
ir
ed
th
e
s
er
ies
co
n
n
ec
ted
s
w
itc
h
is
o
p
er
ated
o
th
er
w
i
s
e
t
h
e
p
ar
all
el
co
n
n
ec
ted
s
w
i
tch
is
o
p
er
ated
to
b
y
p
ass
th
e
DC
v
o
ltag
e
s
o
u
r
ce
,
B
u
t
ca
r
e
s
h
o
u
ld
b
e
tak
en
s
u
ch
t
h
at
b
o
th
th
e
s
er
ies
an
d
p
ar
allel
s
w
itc
h
is
n
o
t
o
p
er
ated
at
th
e
s
a
m
e
ti
m
e
to
a
v
o
id
s
h
o
r
t
cir
cu
it
o
f
t
h
e
DC
v
o
lta
g
e
s
o
u
r
ce
.
So
m
e
o
f
t
h
e
s
a
m
p
le
v
o
lt
ag
e
le
v
el
s
p
o
s
s
ib
le
b
y
th
e
p
r
o
p
o
s
ed
A
C
M
L
I
cir
c
u
it
s
h
o
w
n
i
n
F
ig
u
r
e
2
ar
e
tab
u
lated
i
n
T
ab
le
2
.
T
h
e
o
p
er
atio
n
o
f
t
h
e
cir
c
u
it
f
o
r
th
e
g
en
er
atio
n
o
f
r
eq
u
ir
ed
s
te
p
p
ed
w
a
v
e
f
o
r
m
i
n
t
h
e
lo
ad
is
d
es
cr
ib
ed
in
Fig
u
r
e
9
.
A
s
s
e
en
i
n
th
e
Fi
g
u
r
e
2,
it
is
also
n
o
ted
th
a
t
s
h
o
r
t
cir
c
u
it
co
n
d
itio
n
in
t
h
e
cir
cu
i
t
is
eli
m
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ated
b
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ti
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e.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
Mo
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s
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(
1
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(
2
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(
3
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T
h
e
(
1
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,
(
2
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an
d
(
3
)
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h
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ld
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h
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m
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er
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s
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s
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th
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en
er
ated
o
u
tp
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t
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a
v
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f
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m
w
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th
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ec
t
to
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m
b
er
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in
p
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t
v
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ltag
e
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r
ce
is
:
∑
(
4
)
T
h
e
n
u
m
b
er
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f
p
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er
elec
tr
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eq
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t v
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tal
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eq
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ir
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=
4
(
n
+
1
)
(
5
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W
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er
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is
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n
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m
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in
p
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t
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ce
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h
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le
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g
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v
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n
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y
∑
(
6
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h
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atter
n
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m
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m
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ab
le
1
.
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al
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d
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lar
4
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lev
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b
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p
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AC
M
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u
lated
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s
i
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(
1
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(
2
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d
(
3
)
.
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h
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m
ath
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atica
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d
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p
le
m
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ted
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m
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n
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m
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er
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f
s
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th
e
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tp
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t
w
a
v
ef
o
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m
.
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h
e
v
o
lta
g
e
s
tep
s
o
b
tain
ab
le
f
o
r
th
i
s
Mo
d
u
lar
b
r
id
g
e
t
y
p
e
AC
M
L
I
i
s
4
9
s
tep
s
at
t
h
e
o
u
tp
u
t
w
a
v
ef
o
r
m
.
T
h
e
d
etails
o
f
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
1
-
14
4
s
w
itc
h
o
p
er
atio
n
ap
p
licab
le
f
o
r
Mo
d
u
lar
4
9
lev
el
b
r
id
g
e
ty
p
e
A
C
M
L
I
is
g
i
v
en
i
n
th
e
T
ab
le
1
.
Fo
r
an
al
y
s
i
s
p
u
r
p
o
s
e
f
o
llo
w
i
n
g
lev
e
ls
ar
e
co
n
s
id
er
ed
V
1
, V
2
–
V
1
, V
2
,
(
V
1
+V
2
),
V
3
an
d
(
V
1
+V
3
)
r
esp
ec
tiv
el
y
.
L
e
v
el
1
:
I
n
t
h
is
s
tep
th
e
o
u
t
p
u
t
v
o
lta
g
e
ac
r
o
s
s
t
h
e
lo
ad
is
V
o
=
V
1.
T
o
ac
h
iev
e
th
is
s
t
ep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
1
1
, B
12
, B
21
, B
23
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eli
v
er
i
n
g
th
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
a
s
s
h
o
w
n
in
F
ig
u
r
e
3
(
a
)
.
L
e
v
el
2
:
I
n
th
i
s
s
tep
t
h
e
o
u
tp
u
t
v
o
lta
g
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
2
-
V
1
.
T
o
ac
h
iev
e
t
h
is
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
13
, B
14
, B
21
, B
22
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ate
d
.
I
n
th
is
s
tep
tw
o
s
o
u
r
ce
s
ta
k
e
p
ar
t
in
d
eliv
e
r
in
g
t
h
e
r
eq
u
ir
ed
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ices a
s
s
h
o
w
n
in
F
ig
u
r
e
3
(
b
)
.
L
e
v
el
3
:
I
n
t
h
is
s
tep
th
e
o
u
t
p
u
t
v
o
lta
g
e
ac
r
o
s
s
t
h
e
lo
ad
is
V
o
=
V
2
.
T
o
ac
h
iev
e
th
i
s
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
11
, B
13
, B
21
, B
22
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eli
v
er
i
n
g
th
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
a
s
s
h
o
w
n
in
F
ig
u
r
e
3
(
c
)
.
L
e
v
el
4
:
I
n
t
h
is
s
tep
t
h
e
o
u
tp
u
t
v
o
ltag
e
ac
r
o
s
s
th
e
lo
ad
is
V
o
=
V
2
+
V
1
.
T
o
ac
h
ie
v
e
t
h
is
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
11
, B
12
, B
21
, B
22
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
s
tep
t
w
o
s
o
u
r
ce
s
tak
e
p
ar
t
i
n
d
eli
v
er
in
g
t
h
e
r
eq
u
ir
ed
p
o
w
er
to
t
h
e
l
o
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ices a
s
s
h
o
w
n
in
F
ig
u
r
e
3
(
d
)
.
L
e
v
el
5
:
I
n
th
is
s
tep
th
e
o
u
t
p
u
t
v
o
ltag
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
3
.
T
o
ac
h
iev
e
th
i
s
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
13
, B
14
, B
21
, B
23
, B
31
, B
32
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eli
v
er
i
n
g
th
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
a
s
s
h
o
w
n
in
F
ig
u
r
e
3
(
e
)
.
L
e
v
el
6
:
I
n
t
h
is
s
tep
t
h
e
o
u
tp
u
t
v
o
ltag
e
ac
r
o
s
s
th
e
lo
ad
is
V
o
=
V
3
+
V
1
.
T
o
ac
h
ie
v
e
t
h
is
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
11
, B
13
, B
21
, B
23
, B
31
, B
32
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eli
v
er
i
n
g
th
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
a
s
s
h
o
w
n
i
n
F
ig
u
r
e
3
(
f
)
.
Fig
u
r
e
3
(
a
)
.
L
ev
el
1
(
V
o
= V
1
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
Mo
d
u
la
r
mu
ltil
ev
el
in
ve
r
ter fo
r
r
en
ewa
b
le
en
erg
y
a
p
p
lica
tio
n
s
(
A.
A
r
ikesh
)
5
Fig
u
r
e
3
(
b
)
.
L
ev
el
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Fig
u
r
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3
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L
ev
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(
V
o
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
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n
t J
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&
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p
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n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
1
-
14
6
Fig
u
r
e
3
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d
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u
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3
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L
ev
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5
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Vo
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V3
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
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lec
&
C
o
m
p
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n
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SS
N:
2
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Mo
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el
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s
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d
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ed
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atica
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C
v
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s
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Nu
m
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s
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ates a
n
d
m
a
x
i
m
u
m
o
u
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t
v
o
lt
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e
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d
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ied
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4
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lev
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H
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I
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t
h
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ca
s
e
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n
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m
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h
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atter
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4
9
lev
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H
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ty
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AC
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L
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is
s
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2
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e
o
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o
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th
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e
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atte
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n
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s
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ed
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h
e
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n
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t
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al
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i
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ed
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y
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1
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(
2
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an
d
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3
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r
esp
ec
tiv
el
y
.
L
e
v
el
1
:
I
n
th
i
s
s
tep
t
h
e
o
u
tp
u
t
v
o
lta
g
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
1.
T
o
ac
h
iev
e
t
h
i
s
s
tep
o
u
tp
u
t
t
h
e
p
o
w
er
d
ev
ices
B
1
,
SL
1
,
S
R
2
,
S
2
an
d
C
2
ar
e
in
ON
co
n
d
itio
n
an
d
all
th
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eliv
er
i
n
g
th
e
p
o
w
er
t
o
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ices
as
s
h
o
w
n
in
Fi
g
u
r
e
4
(
a
)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
n
t J
E
lec
&
C
o
m
p
E
n
g
,
Vo
l.
10
,
No
.
1
,
Feb
r
u
ar
y
2
0
2
0
:
1
-
14
8
L
e
v
el
2
:
I
n
th
i
s
s
tep
t
h
e
o
u
tp
u
t
v
o
lta
g
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
2
-
V
1
.
T
o
ac
h
iev
e
t
h
is
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
13
, B
14
, B
21
, B
22
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ate
d
.
I
n
th
is
s
tep
tw
o
s
o
u
r
ce
s
ta
k
e
p
ar
t
in
d
eliv
e
r
in
g
t
h
e
r
eq
u
ir
ed
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ices a
s
s
h
o
w
n
in
F
ig
u
r
e
4
(
b
)
.
Fig
u
r
e
4
(
a
)
.
L
ev
el
1
(
V0
=
V1
)
Fig
u
r
e
4
(
b
)
.
L
ev
el
2
(
Vo
=
V2
–
V1
)
T
ab
le
2
.
Sw
itch
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g
s
eq
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e
n
ce
f
o
r
cir
cu
it ii
S
t
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p
S
w
i
t
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h
i
n
g
S
e
q
u
e
n
c
e
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o
r
M
o
d
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l
a
r
4
9
l
e
v
e
l
M
o
d
i
f
i
e
d
H
b
r
i
d
g
e
t
y
p
e
A
C
M
LI
B1
B2
B3
B4
C1
C2
C3
C4
S1
S2
S3
S4
S
L
1
S
L
2
S
R
1
S
R
2
1
1
0
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0
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1
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0
0
1
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0
1
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0
1
2
1
0
1
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1
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1
1
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0
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1
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1
3
0
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1
0
0
0
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1
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0
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0
1
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4
1
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0
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1
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0
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1
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1
6
1
1
0
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0
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0
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0
1
0
0
1
0
0
1
L
e
v
el
3
:
I
n
th
is
s
tep
th
e
o
u
t
p
u
t
v
o
ltag
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
2
.
T
o
ac
h
iev
e
th
i
s
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
11
, B
13
, B
21
, B
22
, B
31
, B
33
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
th
i
s
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
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d
eli
v
er
i
n
g
th
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
a
s
s
h
o
w
n
in
F
ig
u
r
e
4
(
c
)
.
L
e
v
el
4
:
I
n
t
h
is
s
tep
t
h
e
o
u
tp
u
t
v
o
ltag
e
ac
r
o
s
s
th
e
lo
ad
is
V
o
=
V
2
+
V
1
.
T
o
ac
h
ie
v
e
t
h
is
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices
B
11
,
B
12
,
B
21
,
B
22
,
B
31
,
B
33
,B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ate
d
.
I
n
th
is
s
tep
tw
o
s
o
u
r
ce
s
ta
k
e
p
ar
t
in
d
eliv
e
r
in
g
t
h
e
r
eq
u
ir
ed
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
de
v
ices.
Fig
u
r
e.
4c
.
L
ev
el
3
(
V
0
= V
2
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
E
lec
&
C
o
m
p
E
n
g
I
SS
N:
2
0
8
8
-
8708
Mo
d
u
la
r
mu
ltil
ev
el
in
ve
r
ter fo
r
r
en
ewa
b
le
en
erg
y
a
p
p
lica
tio
n
s
(
A.
A
r
ikesh
)
9
L
e
v
el
5
:
I
n
th
is
s
tep
th
e
o
u
t
p
u
t
v
o
ltag
e
ac
r
o
s
s
t
h
e
lo
ad
i
s
V
o
=
V
3
.
T
o
ac
h
iev
e
th
i
s
s
tep
o
u
tp
u
t
th
e
p
o
w
er
d
e
v
ices B
13
, B
14
, B
21
, B
23
, B
31
, B
32
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t o
p
er
ated
.
I
n
th
is
s
tep
o
n
l
y
o
n
e
s
o
u
r
ce
is
d
eli
v
er
in
g
t
h
e
p
o
w
er
to
th
e
lo
ad
th
r
o
u
g
h
p
o
w
er
d
ev
ice
s
.
L
e
v
el
6
:
I
n
t
h
is
s
tep
t
h
e
o
u
tp
u
t
v
o
ltag
e
ac
r
o
s
s
th
e
lo
ad
is
V
o
=
V
3
+
V
1
.
T
o
ac
h
ie
v
e
t
h
is
s
tep
o
u
t
p
u
t
th
e
p
o
w
er
d
e
v
ices B
11
, B
13
, B
21
, B
23
, B
31
, B
32
,
B
41
an
d
B
43
ar
e
in
ON
co
n
d
itio
n
a
n
d
all
t
h
e
o
th
er
p
o
w
er
d
ev
ices
ar
e
n
o
t
o
p
er
ated
.
I
n
t
h
is
s
tep
t
w
o
s
o
u
r
ce
s
ta
k
e
p
ar
t
i
n
d
el
iv
er
in
g
th
e
r
eq
u
ir
ed
p
o
w
er
t
o
th
e
lo
ad
t
h
r
o
u
g
h
p
o
w
er
d
ev
ices
.
I
n
o
r
d
er
to
r
ed
u
ce
th
e
s
tr
es
s
a
n
d
co
u
n
t
o
f
p
o
w
er
s
e
m
ico
n
d
u
cto
r
co
m
p
o
n
e
n
t
s
ad
d
itiv
e
an
d
s
u
b
tr
ac
ti
v
e
co
n
ce
p
t
is
i
m
p
le
m
en
ted
w
it
h
f
e
w
in
p
u
t
v
o
ltag
e
s
o
u
r
ce
s
.
T
h
e
s
elec
tio
n
o
f
i
n
p
u
t
v
o
lta
g
e
s
o
u
r
ce
s
ar
e
m
ad
e
s
u
c
h
th
at
m
ax
i
m
u
m
o
u
tp
u
t
v
o
lta
g
e
is
g
e
n
er
ated
w
it
h
s
m
all
s
tep
s
an
d
w
i
t
h
m
in
i
m
a
l
n
u
m
b
er
o
f
v
o
lta
g
e
s
o
u
r
ce
s
.
T
h
e
p
r
o
p
o
s
ed
ci
r
cu
it
co
n
s
i
s
ts
o
f
f
o
u
r
D
C
s
o
u
r
ce
s
V
1
,
V
2
,
V
3
,
V
4
an
d
s
ix
tee
n
p
o
w
er
s
w
itc
h
es
(
S
1
,
S
2
,
S
3
,
S
4
,
S
R1
, S
R2
, S
L1
, S
L2
,
etc.
)
.
As s
h
o
w
n
i
n
th
e
Fi
g
u
r
e
1
,
it s
h
o
u
ld
b
e
n
o
ted
th
at
at
t
h
e
s
a
m
e
ti
m
e
b
o
th
th
e
s
w
itc
h
es i
n
th
e
s
a
m
e
le
g
s
h
o
u
ld
n
o
t
b
e
o
p
er
ated
to
elim
i
n
ate
s
h
o
r
t
cir
c
u
it
i
s
s
u
es.
Si
m
i
lar
l
y
t
h
e
s
w
itc
h
S
1
a
n
d
S
2
ar
e
n
o
t
ON
at
th
e
s
a
m
e
ti
m
e.
T
h
e
m
o
d
u
lar
to
p
o
lo
g
y
p
r
o
p
o
s
ed
in
t
h
is
p
ap
er
is
o
p
er
ated
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