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3
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[
9
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1
2
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1
3
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7
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3
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–
334
326
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Sev
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in
Dir
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5
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2
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Hen
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1
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1
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d
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o
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m
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s
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2
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t
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ito
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n
d
C
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u
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it to
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u
r
e
1
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n
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ter
T
h
e
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ter
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C
p
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p
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r
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l
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r
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as
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t v
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ess
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i
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o
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e
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f
r
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e
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lace
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ch
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s
ed
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e
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g
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r
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2
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ito
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er
th
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n
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at
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f
C
1
[
3
]
.
Fig
u
r
e
2
.
B
asic Q
u
asi
Z
-
So
u
r
c
e
in
v
er
ter
(
1
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(
2
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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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Qu
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2
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2
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1
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d
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at
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L
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Q
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to
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n
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n
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io
d
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e
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e
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r
ig
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al
Z
SI
to
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r
o
d
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ce
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g
h
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li
n
k
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e
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o
r
t
h
e
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ai
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it
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t
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e
a
n
d
also
to
i
m
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e
t
h
e
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o
s
t
f
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to
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[
2
1
]
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[
2
4
]
.
SL
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Q
Z
SI
g
i
v
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s
u
b
s
ta
n
tial b
o
o
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v
er
s
io
n
co
m
p
ar
ed
to
class
ical
Z
SI/Q
Z
SI
[
2
5
]
.
I
n
Fi
g
u
r
e
3
[
2
6
]
,
S
w
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ed
-
I
n
d
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cto
r
QZ
SI
ad
d
s
o
n
l
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h
r
ee
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io
d
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d
o
n
e
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n
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cto
r
w
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e
r
e
it
b
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o
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t
f
ac
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h
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n
ce
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f
r
o
m
1
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t
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(
1
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2
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.
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n
n
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g
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s
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h
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s
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h
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an
d
D
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O
N,
w
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D
2
a
n
d
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3
ar
e
OFF,
w
it
h
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2
a
n
d
L
3
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n
n
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ted
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n
s
e
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ies
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h
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p
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ito
r
s
C
1
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n
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C
2
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e
ch
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g
ed
w
h
ile
th
e
in
d
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r
L
1
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L
2
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L
3
tr
an
s
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er
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en
er
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f
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m
D
C
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r
ce
t
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e
m
ain
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it.
Du
r
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g
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1
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e
o
f
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,
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ile
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2
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n
d
D
3
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n
.
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2
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d
L
3
ar
e
co
n
n
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ted
in
p
ar
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th
e
ca
p
ac
ito
r
s
C
1
an
d
C
2
ar
e
d
is
ch
ar
g
ed
w
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ile
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n
d
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r
s
L
1
,
L
2
&
L
3
s
to
r
e
en
er
g
y
[
2
6
]
.
Fig
u
r
e
3
.
S
w
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-
I
n
d
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c
to
r
q
u
asi
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r
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I
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v
er
ter
2
.
2
.
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w
o
Sw
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uct
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Q
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a
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T
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o
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h
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latter
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t
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r
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en
t
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is
d
ir
ec
tl
y
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n
n
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ted
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w
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h
ed
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in
d
u
cto
r
ce
ll
a
s
L
1
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L
3
,
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1
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D
3
,
D
5
o
r
L
2
,
L
4
,
D
2
,
D
4
,
D
6
[
2
7
]
-
[
3
4
]
.
I
n
th
is
to
p
o
lo
g
y
,
th
e
in
d
u
cto
r
o
r
s
w
itc
h
ed
in
d
u
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r
is
co
n
n
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ted
to
a
DC
s
o
u
r
ce
as
s
h
o
w
n
in
Fi
g
u
r
e
4
[
3
0
]
,
w
h
e
n
th
e
s
w
i
tch
ed
i
n
d
u
cto
r
ce
ll
i
s
co
n
n
ec
ted
to
a
DC
s
o
u
r
ce
r
ip
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les
w
ill
ap
p
ea
r
o
n
th
e
in
p
u
t
cu
r
r
en
t
an
d
h
e
n
ce
it
is
ab
b
r
ev
iated
as
r
SL
-
Q
Z
SI.
I
f
th
e
in
d
u
cto
r
is
co
n
n
ec
ted
to
th
e
DC
s
o
u
r
ce
th
e
n
it is
ab
b
r
ev
iated
as c
S
L
-
QZ
SI
w
h
ic
h
is
s
h
o
w
n
in
F
ig
u
r
e
5
[
3
0
]
.
Fig
u
r
e
4
.
r
ip
p
le
S
w
itch
ed
-
I
n
d
u
cto
r
QZ
SI
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
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8
694
IJ
PEDS
Vo
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8
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No
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1
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ch
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Fig
u
r
e
5
.
ca
p
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ito
r
Sw
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ed
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n
d
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r
Q
Z
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2
.
3
.
Sw
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ched
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I
n
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ct
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r
Q
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-
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nv
er
t
er
(
S
CL
-
Q
Z
S
I
)
SC
L
-
Q
Z
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s
h
o
w
n
i
n
Fi
g
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r
e
6
is
ac
h
iev
ed
b
y
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ep
lacin
g
i
n
d
u
cto
r
L
2
i
n
t
h
e
o
r
ig
i
n
al
Q
Z
SI
w
it
h
a
co
m
b
i
n
atio
n
o
f
s
w
itc
h
ed
ca
p
a
cito
r
C
3
an
d
t
h
r
ee
w
i
n
d
in
g
s
N
1
, N
2
&
N
3
.
W
in
d
i
n
g
s
N
1
an
d
N
2
h
a
v
e
s
a
m
e
n
o
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o
f
tu
r
n
s
i.e
.
,
N
1
=N
2
an
d
tu
r
n
s
r
ati
o
o
f
w
i
n
d
in
g
n
= N
3
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1
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3
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2
.
Fig
u
r
e
6.
S
w
i
tch
ed
-
C
o
u
p
led
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n
d
u
cto
r
Qu
a
s
i
Z
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u
r
ce
I
n
v
er
ter
T
h
e
v
o
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e
s
p
i
k
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r
o
s
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th
e
s
w
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h
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s
ed
d
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e
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n
e
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g
y
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ed
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n
t
h
e
lea
k
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g
e
i
n
d
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ce
o
f
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e
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u
p
led
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u
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r
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th
e
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k
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e
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n
d
u
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ce
o
f
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C
L
u
ti
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in
s
er
ies
w
it
h
C
3
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d
t
h
e
ca
p
ac
ito
r
C
2
w
il
l
ab
s
o
r
b
th
e
en
er
g
y
s
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ed
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th
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ce
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t
ad
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s
s
in
g
le
ca
p
ac
ito
r
an
d
t
w
o
d
io
d
es
to
th
e
Q
Z
SI
[
3
5
]
-
[
3
6
]
,
ac
h
iev
es
a
b
o
o
s
t
f
ac
to
r
3
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-
4
D
w
h
ic
h
is
h
ig
h
er
th
a
n
t
h
at
o
f
e
x
is
ti
n
g
Q
Z
SI.
T
h
e
in
p
u
t
in
d
u
cto
r
cu
r
r
en
t
r
ip
p
le
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d
th
e
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x
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e
n
s
i
t
y
s
win
g
ar
e
s
m
aller
t
h
a
n
Q
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SI,
f
o
r
th
e
s
i
m
i
lar
in
p
u
t
v
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e
s
t
h
e
in
d
u
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c
u
r
r
en
t
i
s
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er
y
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w
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th
e
f
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x
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en
s
it
y
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n
d
n
o
.
o
f
tu
r
n
s
o
r
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r
e
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ize
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f
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d
u
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r
L
1
is
s
m
aller
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t
h
e
S
w
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C
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u
p
led
I
n
d
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r
Qu
as
i Z
-
So
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r
ce
I
n
v
e
r
ter
[
3
7
]
-
[
3
8
]
.
Du
r
in
g
s
h
o
o
t
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r
o
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g
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s
tate,
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io
d
e
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in
is
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F
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ile
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es
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1
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d
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2
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e
o
n
.
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in
d
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n
g
s
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1
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y
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1
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h
ile
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3
o
b
tain
s
e
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er
g
y
f
r
o
m
C
1
t
h
r
o
u
g
h
w
i
n
d
in
g
N
3
.
T
h
is
en
h
an
ce
s
th
e
b
o
o
s
t
f
ac
to
r
an
d
ch
ar
g
in
g
c
u
r
r
en
t
C
3
i
s
r
es
tr
icted
b
y
th
e
lea
k
a
g
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i
n
d
u
cta
n
ce
o
f
SC
L
.
D
u
r
in
g
n
o
n
-
s
h
o
o
t
th
r
o
u
g
h
s
tate,
D
in
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il
l
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n
d
u
c
t
w
h
ile
D
1
a
n
d
D
2
ar
e
OFF.
C
1
a
n
d
C
2
ar
e
ch
ar
g
ed
w
h
er
ea
s
t
h
e
w
i
n
d
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g
s
N
1
,
N
2
,
N
3
an
d
C
3
ar
e
in
s
er
ies,
w
h
er
e
C
2
w
ill
ab
s
o
r
b
th
e
en
er
g
y
s
to
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ed
in
th
e
leak
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g
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in
d
u
cta
n
ce
o
f
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,
w
h
er
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v
o
l
tag
e
s
p
i
k
es
ar
e
n
o
t
cr
ea
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w
h
ic
h
is
r
ec
y
cled
.
2
.
4
.
T
a
pp
ed
-
i
nd
uct
o
r
Q
ua
s
i
-
Z
-
S
o
urce
inv
er
t
er
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T
L
-
Q
Z
SI
)
T
h
e
co
m
b
i
n
atio
n
o
f
L
1
,
D
2
a
n
d
D
3
ac
ts
a
s
a
tap
p
ed
i
n
d
u
cto
r
QZ
SI.
Du
r
i
n
g
s
h
o
o
t
-
t
h
r
o
u
g
h
s
tate
t
h
e
in
d
u
cta
n
ce
o
f
w
in
d
i
n
g
N
1
is
ef
f
ec
tiv
e,
w
h
er
ea
s
in
n
o
n
-
s
h
o
o
t
th
r
o
u
g
h
s
tate
b
o
th
th
e
w
i
n
d
i
n
g
s
N
1
a
n
d
N
2
ar
e
ef
f
ec
tiv
e
[
3
9
]
-
[
4
1
]
.
B
y
d
esig
n
in
g
t
h
i
s
to
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g
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a
m
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s
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er
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ter
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ig
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ica
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y
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m
p
r
o
v
ed
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y
1
6
.
5
%
co
m
p
ar
ed
to
QZ
SI.
I
n
h
er
iti
n
g
t
h
e
s
h
o
o
t
-
t
h
r
o
u
g
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m
e
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ter
v
al
o
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th
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t
h
e
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h
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le
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n
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er
ter
ca
n
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i
m
p
r
o
v
ed
.
T
h
e
i
n
p
u
t
cu
r
r
en
t
i
s
co
n
t
in
u
o
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s
,
v
o
lta
g
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s
tr
ess
is
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ed
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ce
d
a
n
d
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m
p
o
n
en
t
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u
n
t
is
m
i
n
i
m
ized
co
m
p
ar
ed
to
tr
ad
iti
o
n
al
Z
SI
[
4
2
]
-
[
4
4
]
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
PEDS
I
SS
N:
2
0
8
8
-
8
694
Qu
a
s
i Z
S
o
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r
ce
I
n
ve
r
ter To
p
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l
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g
ies w
ith
R
ed
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ce
d
Dev
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R
a
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g
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g
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ve
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n
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329
Fig
u
r
e
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.
T
a
p
p
ed
in
d
u
cto
r
Qu
asi Z
-
So
u
r
ce
in
v
er
ter
2
.
5
.
Q
ua
s
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Z
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So
urce
Dire
ct
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a
t
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ix
Co
nv
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Q
Z
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Z
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Dir
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ter
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er
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o
m
tr
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al
Dir
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t
Ma
tr
i
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C
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ter
(
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)
.
B
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in
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u
cto
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s
,
ca
p
ac
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r
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,
s
w
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es
(
ea
ch
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ee
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Q
Z
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C
is
f
o
r
m
ed
as
s
h
o
w
n
i
n
Fig
u
r
e
8
[
4
5
]
.
T
h
is
ad
d
itio
n
ca
n
in
cr
ea
s
e
th
e
v
o
lta
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ai
n
4
t
o
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tim
e
s
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r
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i
g
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h
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n
Q
Z
S
DM
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a
n
d
also
th
er
e
is
n
o
p
h
ase
s
h
i
f
t [
4
6
]
-
[
4
9
]
.
Fig
u
r
e
8
.
Qu
asi
Z
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So
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r
ce
Dir
e
ct
Ma
tr
ix
C
o
n
v
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ter
B
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th
Z
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C
a
n
d
Q
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SDM
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ca
n
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o
s
t
p
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w
er
f
ac
to
r
m
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r
e
t
h
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0
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8
6
6
.
Ho
w
ev
er
,
Q
Z
SDM
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h
as
lo
w
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p
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t
v
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e,
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ar
m
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n
d
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ig
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er
p
o
w
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f
ac
to
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t
h
an
Z
SDM
C
.
Q
Z
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C
h
as
a
lo
w
er
co
m
p
o
n
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n
t
r
atin
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co
m
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ac
t
s
ize,
h
i
g
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f
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cien
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y
a
n
d
a
w
id
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b
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t M
atr
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x
C
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n
v
er
ter
[
4
5
]
,
[
5
0
]
-
[
5
3
]
.
Du
r
in
g
s
h
o
o
t
-
th
r
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u
g
h
s
ta
te
S
a
,
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b,
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c
is
OFF
a
n
d
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tp
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t
o
f
Qu
a
s
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Z
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r
ce
i
s
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ted
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er
atio
n
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n
s
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o
t
-
t
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g
h
S
a
,
S
b
,
S
c
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s
ON
f
o
r
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r
m
al
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o
p
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u
e
to
s
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m
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n
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ce
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f
(
L
a1
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b1
,
L
b2
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L
c1
,
L
c
2
)
h
a
v
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e
s
a
m
e
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e
,
ca
p
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ito
r
s
C
a1
,
C
a2
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C
b1
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C
b2
,
C
c1
,
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c2
also
h
a
v
e
t
h
e
s
a
m
e
v
al
u
e.
I
n
c
ase
o
f
s
w
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h
i
n
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c
y
cle
T
s
,
th
e
ti
m
e
i
n
ter
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o
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s
h
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t
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t
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g
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is
T
an
d
th
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t
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m
e
in
ter
v
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l o
f
n
o
n
s
h
o
o
t
-
t
h
r
o
u
g
h
s
tate
is
T
1
.
Hen
ce
T
s
=
T
+
T
1
an
d
s
h
o
o
t th
r
o
u
g
h
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atio
is
D=
T
/
T
s
.
2
.
6
.
E
x
t
en
ded B
o
o
s
t
Act
iv
e
Sw
it
c
hed
-
Ca
pa
cit
o
r/
I
nd
uct
o
r
Q
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a
s
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-
Z
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So
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I
nv
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t
er
(
ASC/
SL
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Q
Z
S
I
)
ASC
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Q
Z
SI
g
iv
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s
h
ig
h
er
b
o
o
s
t
ab
ilit
y
a
n
d
p
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d
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ce
s
lo
wer
v
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ltag
e
s
tr
es
s
ac
r
o
s
s
th
e
s
w
itc
h
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s
i
n
th
e
i
n
v
er
ter
.
I
f
it
r
eq
u
ir
es
h
i
g
h
b
o
o
s
ti
n
g
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ate
it
ca
n
b
e
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s
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s
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b
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d
in
g
a
s
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in
d
u
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d
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r
ee
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d
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I
n
th
is
to
p
o
lo
g
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,
ca
p
ac
ito
r
an
d
in
d
u
c
to
r
g
i
v
en
i
n
Q
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ar
e
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e
m
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v
ed
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d
in
g
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d
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d
o
n
e
s
w
itc
h
as
s
h
o
w
n
in
Fi
g
u
r
e
9
[
5
4
]
.
Du
r
in
g
s
h
o
o
t
-
th
r
o
u
g
h
th
e
lo
ad
ter
m
in
al
is
s
h
o
r
ted
b
y
c
o
n
d
u
cti
n
g
t
h
e
u
p
p
er
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d
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s
w
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tch
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d
ev
ices
o
n
a
n
y
p
h
ase
leg
,
w
h
er
e
s
w
itc
h
S
7
i
s
ON,
d
io
d
es
D
1
a
n
d
D
2
ar
e
o
f
f
.
T
h
e
ca
p
ac
ito
r
C
is
d
is
ch
ar
g
ed
w
h
il
e
th
e
i
n
d
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cto
r
L
1
s
to
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es
en
er
g
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f
r
o
m
th
e
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n
p
u
t.
Du
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n
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n
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s
h
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t
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r
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u
g
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s
tat
e
s
w
itc
h
S
7
is
OF
F,
w
h
er
e
d
io
d
es
D
1
an
d
D
2
ar
e
ON.
C
ap
ac
i
to
r
C
i
s
c
h
ar
g
ed
a
n
d
i
n
d
u
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r
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1
tr
an
s
f
er
s
f
r
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m
en
er
g
y
DC
i
n
p
u
t so
u
r
ce
to
in
v
er
ter
.
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
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1
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Ma
r
ch
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0
1
7
:
3
2
5
–
334
330
Fig
u
r
e
9
.
B
asic A
cti
v
e
S
w
i
tch
ed
C
ap
ac
ito
r
QZ
SI
ASC
/Q
Z
SI
h
as
ce
ll
th
at
co
n
s
is
ts
o
f
o
n
e
in
d
u
cto
r
an
d
th
r
ee
d
io
d
es
a
s
s
h
o
w
n
i
n
Fig
u
r
e
1
0
[
5
4
]
.
I
t
p
r
o
v
id
es
h
i
g
h
er
b
o
o
s
t
ab
ilit
y
an
d
ac
h
ie
v
es
lo
w
er
v
o
lta
g
e
s
tr
ess
ac
r
o
s
s
th
e
s
w
itc
h
i
n
g
d
e
v
ic
es
o
f
m
ai
n
i
n
v
er
ter
[
5
5
]
-
[
5
7
]
.
I
n
s
h
o
o
t
-
th
r
o
u
g
h
s
t
ate
S
7
is
tu
r
n
ed
o
n
,
th
e
d
io
d
es
D
1
an
d
D
2
ar
e
also
o
n
w
h
er
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s
D
a
,
D
b
an
d
D
3
ar
e
tu
r
n
ed
OFF,
i
n
d
u
cto
r
s
L
1
a
n
d
L
2
ar
e
co
n
n
ec
ted
in
p
ar
allel
an
d
th
e
y
s
to
r
e
en
er
g
y
f
r
o
m
t
h
e
DC
in
p
u
t
s
o
u
r
ce
V
dc
an
d
ca
p
ac
ito
r
C
is
d
is
ch
ar
g
ed
th
r
o
u
g
h
S
7
.
Fig
u
r
e
10.
A
cti
v
e
S
w
itc
h
ed
C
ap
ac
ito
r
/ S
w
itc
h
ed
I
n
d
u
cto
r
Q
Z
SI
Du
r
in
g
n
o
n
s
h
o
o
t
-
t
h
r
o
u
g
h
s
w
i
tch
S
7
is
t
u
r
n
ed
OFF,
d
io
d
es
D
a
,
D
b
an
d
D
3
ar
e
also
ON
w
h
er
e
d
io
d
es
D
1
an
d
D
2
ar
e
OFF,
i
n
d
u
cto
r
s
L
1
a
n
d
L
2
co
n
n
ec
ted
in
s
er
i
es.
DC
i
n
p
u
t
v
o
ltag
e
a
n
d
t
w
o
in
d
u
cto
r
s
tr
a
n
s
f
er
en
er
g
y
to
b
o
th
th
e
i
n
v
er
ter
a
n
d
ca
p
ac
ito
r
th
r
o
u
g
h
D
a
, D
b
an
d
D
3
w
h
er
e
ca
p
ac
ito
r
s
ar
e
ch
ar
g
ed
[
5
4
]
,
[
5
8
]
-
[
6
1
]
.
3.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
NS
B
ased
o
n
th
e
p
er
f
o
r
m
a
n
ce
ch
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A
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C
/
S
L
-
Q
Z
S
I
P
r
o
p
o
se
d
i
n
[
5
8
]
-
[
5
9
]
√
√
4.
CO
NCLU
SI
O
N
QZ
SI
s
h
a
v
e
g
ai
n
ed
its
i
m
p
o
r
tan
ce
f
o
r
h
i
g
h
p
o
w
er
,
m
ed
i
u
m
p
o
w
er
an
d
lo
w
p
o
w
er
ap
p
licatio
n
s
.
Ma
n
y
r
esear
ch
er
s
h
a
v
e
i
n
tr
o
d
u
ce
d
s
p
ec
i
f
ic
to
p
o
lo
g
y
f
o
r
d
el
ib
er
ate
s
o
lu
tio
n
s
to
a
g
i
v
en
ap
p
licatio
n
.
A
ls
o
,
t
h
e
to
p
o
lo
g
ies
h
av
e
b
ee
n
p
r
o
p
o
s
ed
w
ith
h
i
g
h
o
u
tp
u
t
ef
f
icie
n
c
y
w
i
t
h
a
r
ed
u
ce
d
d
ev
ice
r
atin
g
.
I
n
t
h
is
p
ap
er
,
a
r
ev
ie
w
o
f
s
i
x
t
y
p
e
s
o
f
r
ed
u
ce
d
d
ev
ice
r
atin
g
Q
Z
SI
to
p
o
lo
g
ies
i
s
p
r
esen
ted
.
B
ased
o
n
t
h
e
r
ev
ie
w
,
i
t
i
s
s
u
g
g
e
s
ted
t
h
at
ca
p
ac
ito
r
v
o
lt
ag
e
s
h
o
u
ld
b
e
o
p
ti
m
ized
s
o
th
at
v
o
ltag
e
s
tr
es
s
o
n
s
w
itc
h
in
g
d
ev
ice
s
ca
n
b
e
m
i
n
i
m
i
ze
d
an
d
a
ls
o
d
u
t
y
c
y
cle
o
n
t
h
e
i
n
p
u
t
s
id
e
s
h
o
u
ld
b
e
v
ar
ied
w
h
ic
h
is
i
m
p
o
r
ta
n
t
to
p
r
o
tect
f
r
o
m
o
v
er
v
o
ltag
e
o
n
s
w
itc
h
i
n
g
d
ev
i
ce
s
.
I
n
th
i
s
p
ap
er
,
q
u
alitativ
e
a
n
d
q
u
an
t
itati
v
e
f
ea
t
u
r
es
o
f
Q
Z
SI
to
p
o
lo
g
ies
h
av
e
b
ee
n
d
is
cu
s
s
ed
an
d
a
co
m
p
ar
ativ
e
a
n
al
y
s
is
h
as
b
ee
n
m
ad
e
s
o
as
to
m
a
k
e
an
ea
s
ier
s
elec
t
io
n
o
f
to
p
o
lo
g
y
.
I
n
ad
d
itio
n
,
th
e
p
ar
ad
ig
m
p
r
ese
n
t
ed
in
th
e
p
ap
er
w
ill
h
elp
to
ev
alu
ate
t
h
e
p
r
o
p
o
s
ed
QZ
SI
to
p
o
lo
g
ies
.
RE
F
E
R
E
NC
E
S
[1
]
F
.
Z
.
P
e
n
g
,
“
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
I
EE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stry
Ap
p
li
c
a
ti
o
n
,
v
ol
/i
ss
u
e
:
39
(
2
)
,
p
p
.
5
0
4
-
5
1
0
,
2
0
0
3
.
[2
]
Y.
L
i,
e
t
a
l
.
,
“
Qu
a
si
-
Z
-
so
u
rc
e
in
v
e
rte
r
fo
r
p
h
o
to
v
o
lt
a
ic
p
o
we
r
g
e
n
e
ra
ti
o
n
sy
ste
ms
,
”
in
P
r
o
c
.
2
4
t
h
I
EE
E
A
P
EC
,
p
p
.
918
–
9
2
4
,
2
0
0
9
.
[3
]
A.
S
a
n
g
a
ri
a
n
d
R.
Um
a
m
a
h
e
s
wa
r
i,
“
A
n
a
l
y
sis
o
f
I
m
p
e
d
a
n
c
e
S
o
u
rc
e
In
v
e
rter
T
o
p
o
lo
g
ies
f
o
r
G
rid
In
teg
ra
ti
o
n
o
f
P
V
In
v
e
rters
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
P
o
we
r E
lec
tro
n
ics
a
n
d
Dr
ive
S
y
ste
m
,
v
ol
/i
ss
u
e
:
6
(
4
)
,
p
p
.
7
9
7
-
8
0
7
,
2
0
1
5
.
[4
]
Y.
L
iu
,
e
t
a
l.
,
“
M
o
d
e
ll
in
g
a
n
d
c
o
n
tro
ll
e
r
d
e
sig
n
o
f
q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rter
w
it
h
b
a
tt
e
ry
-
b
a
se
d
p
h
o
t
o
v
o
lt
a
ic
p
o
w
e
r
s
y
ste
m
,
”
IET
Po
we
r E
lec
tro
n
.
,
v
ol
/i
ss
u
e
:
7
(
7
)
,
p
p
.
1
6
6
5
–
1
6
7
4
,
2
0
1
4
.
[5
]
Y.
L
iu
,
e
t
a
l.
,
“
Ov
e
rv
ie
w
o
f
sp
a
c
e
v
e
c
to
r
m
o
d
u
latio
n
s
f
o
r
th
re
e
-
p
h
a
se
Z
-
so
u
rc
e
/q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
o
n
P
o
we
r E
lec
tro
n
ic
s
,
v
ol
/i
ss
u
e
:
29
(
4
)
,
p
p
.
2
0
9
8
–
2
1
0
8
,
2
0
1
4
.
[6
]
Y.
L
iu
,
e
t
a
l.
,
“
A
n
e
ff
e
c
ti
v
e
c
o
n
tro
l
m
e
th
o
d
f
o
r
q
u
a
si
-
Z
-
so
u
rc
e
c
a
sc
a
d
e
m
u
lt
il
e
v
e
l
in
v
e
rter
-
b
a
se
d
g
rid
-
ti
e
sin
g
le
-
p
h
a
se
p
h
o
to
v
o
lt
a
ic
p
o
w
e
r
s
y
ste
m
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
I
n
d
u
stri
a
l
In
f
o
rm
a
t
a
ti
o
n
,
v
ol
/i
ss
u
e
:
10
(
1
)
,
p
p
.
3
9
9
–
4
0
7
,
2
0
1
4
.
[7
]
M
.
K
.
Ng
u
y
e
n
,
e
t
a
l.
,
“
A
Co
m
p
a
r
iso
n
b
e
tw
e
e
n
S
in
g
le
-
P
h
a
se
Qu
a
si
-
Z
-
S
o
u
rc
e
a
n
d
Qu
a
si
-
S
w
it
c
h
e
d
Bo
o
st
In
v
e
rters
,
”
IEE
E
T
ra
n
s.
o
n
I
n
d
u
stria
l
e
lec
tro
n
ics
,
v
ol
/i
ss
u
e
:
62
(
10
)
,
2
0
1
5
.
[8
]
F
.
G
u
o
,
e
t
a
l
.
,
“
De
v
e
lo
p
m
e
n
t
o
f
a
n
8
5
-
k
W
b
id
irec
ti
o
n
a
l
Qu
a
si
-
Z
-
so
u
rc
e
in
v
e
rter
w
it
h
DC
-
li
n
k
fe
e
d
f
o
rwa
rd
c
o
m
p
e
n
sa
ti
o
n
f
o
r
e
lec
tri
c
v
e
h
icle
a
p
p
li
c
a
ti
o
n
s,”
IE
EE
T
ra
n
a
c
ti
o
n
s
o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
ol
/i
ss
u
e
:
28
(1
2
)
,
p
p
.
5
4
7
7
–
5
4
8
8
,
2
0
1
3
.
[9
]
J.
A
n
d
e
rso
n
a
n
d
F
.
Z.
P
e
n
g
,
“
Fo
u
r q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rte
rs
,
”
In
P
r
o
c
.
IEE
E
P
ES
C
,
p
p
.
2
7
4
3
–
2
7
4
9
,
2
0
0
8
.
[1
0
]
P
.
P
.
Ka
lu
b
a
rm
e
a
n
d
S
.
K
o
m
p
e
ll
i,
“
Qu
a
si
-
Z
-
s
o
u
rc
e
i
n
v
e
rter
f
o
r
p
h
o
t
o
v
o
lt
a
ic
p
o
w
e
r
g
e
n
e
r
a
ti
o
n
sy
ste
m
s
,
”
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
I
n
n
o
v
a
ti
o
n
s i
n
E
n
g
i
n
e
e
rin
g
Res
e
a
rc
h
a
n
d
T
e
c
h
n
o
l
o
g
y
,
v
ol
/i
ss
u
e
:
1
(
2
),
2
0
1
4
.
[1
1
]
D.
V
in
n
ik
o
v
a
n
d
I.
Ro
a
st
o
,
“
Qu
a
si
-
Z
-
so
u
rc
e
-
b
a
se
d
iso
late
d
DC/
DC
c
o
n
v
e
rters
f
o
r
d
istri
b
u
te
d
p
o
w
e
r
g
e
n
e
ra
ti
o
n
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tro
n
ics
,
v
ol
/i
ss
u
e
:
58
(
1
)
,
p
p
.
1
9
2
–
2
0
1
,
2
0
1
1
.
[1
2
]
Y
.
L
i,
e
t
a
l.
,
“
M
o
d
e
li
n
g
a
n
d
C
o
n
tro
l
o
f
Qu
a
si
-
Z
-
S
o
u
rc
e
In
v
e
rter
f
o
r
Distrib
u
ted
G
e
n
e
ra
ti
o
n
A
p
p
l
ica
ti
o
n
s
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
,
v
ol
/
issu
e
:
60
(
4
)
,
2
0
1
3
.
[1
3
]
M
.
K
.
Ng
u
y
e
n
,
e
t
a
l.
,
“
S
w
it
c
h
e
d
-
In
d
u
c
to
r
Qu
a
si
-
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
ra
n
s.
o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
ol
/
issu
e
:
26
(
11
)
,
2
0
1
1
.
[1
4
]
B
.
G
e
,
e
t
a
l.
,
“
A
n
En
e
rg
y
-
S
to
re
d
Qu
a
si
-
Z
-
S
o
u
rc
e
In
v
e
rter
f
o
r
A
p
p
li
c
a
ti
o
n
to
P
h
o
t
o
v
o
lt
a
ic
P
o
w
e
r
S
y
st
e
m
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
,
v
ol
/
issu
e
:
60
(
10
)
,
2
0
1
3
.
[1
5
]
F
.
Z.
P
e
n
g
,
e
t
a
l.
,
“
Co
n
tro
ll
e
r
De
sig
n
f
o
r
Qu
a
si
-
Z
S
o
u
rc
e
In
v
e
rter
in
P
h
o
t
o
v
o
lt
a
ic
S
y
ste
m
s
,
”
En
e
r
g
y
Co
n
v
e
rs
io
n
Co
n
g
re
ss
a
n
d
Exp
o
si
ti
o
n
(
ECCE
),
2
0
1
0
.
[1
6
]
J
.
J
.
S
o
o
n
a
n
d
K
.
S
.
L
o
w
,
“
S
ig
m
a
-
Z
-
so
u
rc
e
in
v
e
rters
,
”
IET
P
o
we
r
El
e
c
tro
n
,
v
ol
/i
ss
u
e
:
8
(
5
)
,
p
p
.
7
1
5
–
7
2
3
,
2
0
1
5
.
[1
7
]
Y
.
T
a
n
g
,
e
t
a
l.
,
“
A
n
Im
p
ro
v
e
d
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
r
a
n
s
a
c
ti
o
n
s
o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
26
(
12
)
,
2
0
1
1
.
[1
8
]
Y
.
T
a
n
g
,
e
t
a
l.
,
“
S
in
g
le
-
P
h
a
se
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
26
(
12
)
,
2
0
1
1
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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Qu
a
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ter To
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o
l
o
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ies w
ith
R
ed
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ce
d
Dev
ice
R
a
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.
.
.
.
(
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.
R
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r
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)
33
3
[1
9
]
S
.
L
iu
,
e
t
a
l
.
,
“
Co
m
p
a
ra
ti
v
e
Ev
a
lu
a
ti
o
n
o
f
T
h
re
e
Z
-
S
o
u
rc
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a
si
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Z
-
S
o
u
rc
e
In
d
irec
t
M
a
tri
x
Co
n
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
,
v
ol
/
issu
e
:
62
(
2
)
,
2
0
1
5
.
[2
0
]
O
.
El
lab
b
a
n
,
e
t
a
l.
,
“
A
Qu
a
si
-
Z
-
S
o
u
rc
e
Dire
c
t
M
a
tri
x
C
o
n
v
e
rter
F
e
e
d
in
g
a
V
e
c
to
r
C
o
n
tr
o
ll
e
d
In
d
u
c
ti
o
n
M
o
t
o
r
Driv
e
,
”
IEE
E
J
o
u
rn
a
l
o
f
Eme
rg
i
n
g
a
n
d
S
e
lec
ted
T
o
p
ics
i
n
P
o
we
r E
lec
tro
n
ics
,
v
ol
/i
ss
u
e
:
3
(
2
)
,
2
0
1
5
.
[2
1
]
M
.
Zh
u
,
e
t
a
l.
,
“
S
w
it
c
h
e
d
-
in
d
u
c
t
o
r
Z
-
so
u
rc
e
in
v
e
rter,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r
El
e
c
tro
n
ics
.
,
v
ol
/i
ss
u
e
:
25
(
8
)
,
p
p
.
2
1
5
0
–
2
1
5
8
,
2
0
1
0
.
[2
2
]
D
.
Li
,
et
a
l.
,
“
Ca
sc
a
d
e
d
M
u
lt
ice
ll
T
ra
n
s
-
Z
-
S
o
u
rc
e
In
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
28
(
2
)
,
2
0
1
3
.
[2
3
]
M
.
K
.
Ng
u
y
e
n
,
et
al
.
,
“
Ca
sc
a
d
e
d
T
Z
-
so
u
rc
e
in
v
e
rters
,
”
IET
Po
we
r
El
e
c
tro
n
.,
v
ol
/i
ss
u
e
:
7
(
8
)
,
p
p
.
2
0
6
9
–
2
0
8
0
,
2
0
1
4
.
[2
4
]
W.
Qia
n
,
e
t
a
l.
, “
T
ra
n
s
-
Z
-
so
u
rc
e
in
v
e
rte
rs
,
”
In
P
r
o
c
.
IEE
E
I
P
EC
-
S
a
p
p
o
r
o
2
0
1
0
,
p
p
.
1
8
7
4
–
1
8
8
1
,
2
0
1
0
.
[2
5
]
A
.
Za
k
e
rian
a
n
d
D
.
Na
z
a
rp
o
u
r,
“
Ne
w
H
y
b
rid
S
tru
c
tu
re
Ba
se
d
o
n
Im
p
ro
v
e
d
S
w
it
c
h
e
d
In
d
u
c
to
r
Z
-
S
o
u
rc
e
a
n
d
P
a
ra
ll
e
l
I
n
v
e
rters
f
o
r
Re
n
e
w
a
b
le
En
e
rg
y
S
y
ste
m
s
,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
P
o
we
r
El
e
c
tro
n
ics
a
n
d
Dr
ive
S
y
ste
m
(
IJ
PE
DS
),
v
ol
/i
ss
u
e
:
6
(
3
)
,
p
p
.
6
3
6
-
6
4
7
,
2
0
1
5
.
[2
6
]
M
.
K
.
Ng
u
y
e
n
,
e
t
a
l.
,
“
S
w
it
c
h
e
d
-
In
d
u
c
to
r
Q
u
a
si
-
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
w
e
r
El
e
c
tro
n
ics
,
v
ol
/i
ss
u
e
:
26
(
11
)
,
2
0
1
1
.
[2
7
]
P
.
C
.
L
o
h
,
e
t
a
l.
,
“
Em
b
e
d
d
e
d
EZ
-
S
o
u
rc
e
In
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stry
Ap
p
li
c
a
ti
o
n
s
,
v
ol
/i
ss
u
e
:
46
(
1
)
,
2
0
1
0
.
[2
8
]
P
.
C
.
L
o
h
a
n
d
F
.
Blaa
b
jerg
,
“
M
a
g
n
e
ti
c
a
ll
y
Co
u
p
led
Im
p
e
d
a
n
c
e
-
S
o
u
rc
e
In
v
e
rters
,
”
IEE
E
T
ra
n
s
a
c
ti
o
n
s
o
n
In
d
u
stry
Ap
p
li
c
a
ti
o
n
s
,
v
o
l
/i
ss
u
e
:
49
(
5
)
,
2
0
1
3
.
[2
9
]
L
.
P
a
n
,
“
L
-
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IE
EE
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r E
lec
tro
n
ics
,
v
ol
/
issu
e
:
29
(
12
)
,
2
0
1
4
.
[3
0
]
M.
K.
Ng
u
y
e
n
,
e
t
a
l.
,
“
Tw
o
s
w
it
c
h
e
d
-
in
d
u
c
to
r
q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rters
,
”
IET
Po
we
r
El
e
c
t
ro
n
.,
v
ol
/i
ss
u
e
:
5
(
7
)
,
p
p
.
1
0
1
7
–
1
0
2
5
,
2
0
1
2
.
[3
1
]
S.
M
.
C
h
e
n
,
e
t
a
l.
,
“
A
n
o
v
e
l
sw
it
c
h
e
d
-
c
o
u
p
led
-
in
d
u
c
to
r
d
c
-
d
c
st
e
p
-
u
p
c
o
n
v
e
rte
r,”
In
P
r
o
c
.
En
e
r
g
y
Co
n
v
e
rters
.
Co
n
g
r.
Ex
p
o
,
p
p
.
1
8
3
0
–
1
8
3
3
,
2
0
1
3
.
[3
2
]
A.
M
o
sta
a
n
,
e
t
a
l.
,
“
Disc
u
ss
io
n
a
n
d
C
o
m
m
e
n
ts
o
n
L
-
Z
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
ra
n
s
a
c
ti
o
n
s
o
n
Po
we
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
30
(
12
)
,
2
0
1
5
[3
3
]
D.
Ca
o
a
n
d
F
.
Z.
P
e
n
g
,
“
Zero
c
u
rre
n
t
sw
it
c
h
in
g
m
u
lt
il
e
v
e
l
m
o
d
u
lar
sw
it
c
h
e
d
-
c
a
p
a
c
it
o
r
d
c
-
d
c
c
o
n
v
e
rter,”
IE
EE
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
,
v
ol
/
issu
e
:
46
(
6
)
,
p
p
.
2
5
3
6
–
2
5
4
4
,
2
0
0
3
.
[3
4
]
D.
S
h
i
n
,
e
t
a
l.
,
“
Pa
r
a
ll
e
l
o
p
e
ra
ti
o
n
o
f
tra
n
s
-
Z
-
so
u
rc
e
in
v
e
rte
r,”
I
n
P
r
o
c
.
IEE
E
8
t
h
I
n
t.
C
o
n
f
.
P
o
w
e
r
El
e
c
tro
n
.
ECCE
A
sia
,
p
p
.
7
4
4
–
7
4
8
,
2
0
1
1
.
[3
5
]
A
.
Io
in
o
v
ici
,
“
S
w
it
c
h
e
d
-
c
a
p
a
c
it
o
r
p
o
w
e
r
e
lec
tro
n
ics
c
ircu
it
s,”
IEE
E
Circ
u
it
s
S
y
st.
M
a
g
.
,
v
o
l
/i
ss
u
e
:
1
(
4
)
,
p
p
.
3
7
–
4
2
,
2
0
0
1
.
[3
6
]
B.
A
x
e
lo
rd
,
e
t
a
l.
,
“
S
w
it
c
h
e
d
c
a
p
a
c
it
o
r/
sw
it
c
h
e
d
-
in
d
u
c
t
o
r
stru
c
t
u
r
e
s
f
o
r
g
e
tt
in
g
tran
sf
o
r
m
e
rles
s
h
y
b
rid
d
c
-
d
c
P
W
M
c
o
n
v
e
rters
,
”
IEE
E
T
ra
n
s.
Circ
u
i
ts
S
y
st I
,
F
u
n
d
a
m.
T
h
e
o
ry
Ap
p
l.
,
vo
l
/i
ss
u
e
:
55
(
2
)
,
p
p
.
6
8
7
–
6
9
6
,
2
0
0
8
.
[3
7
]
M.
K.
Ng
u
y
e
n
,
e
t
a
l.
,
“
T
Z
-
so
u
rc
e
in
v
e
rters
,
”
IEE
E
T
ra
n
s
a
c
ti
o
n
o
n
I
n
d
u
stria
l
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
60
(
12
)
,
p
p
.
5
6
8
6
–
5
6
9
5
,
2
0
1
3
.
[3
8
]
H
.
F
.
A
h
m
e
d
,
et
al
,
“
S
w
it
c
h
e
d
-
Co
u
p
led
-
I
n
d
u
c
to
r
Q
u
a
si
-
Z
-
S
o
u
rc
e
In
v
e
rter
,
”
IEE
E
T
ra
n
s
a
c
ti
o
n
s
o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
ol
/i
ss
u
e
:
31
(
2
)
,
2
0
1
6
.
[3
9
]
D
.
L
i,
e
t
a
l
.
,
“
Ca
sc
a
d
e
d
switch
e
d
in
d
u
c
t
o
r
a
n
d
ta
p
p
e
d
-
i
n
d
u
c
to
r
z
-
so
u
rc
e
in
v
e
rt
e
rs
,
”
In
P
ro
c
.
A
p
p
li
e
d
P
o
w
e
r
El
e
c
tro
n
ics
Co
n
f
.
,
p
p
.
1
6
6
1
-
1
6
6
6
,
2
0
1
1
.
[4
0
]
M
.
Zh
u
,
e
t
a
l
.
,
“
T
a
p
p
e
d
-
i
n
d
u
c
t
o
r
z
-
so
u
rc
e
in
v
e
rte
rs
wit
h
e
n
h
a
n
c
e
d
v
o
lt
a
g
e
b
o
o
st
i
n
v
e
rs
io
n
a
b
il
it
ies
,”
In
P
ro
c
.
S
u
sta
in
a
b
le
En
e
rg
y
T
e
c
h
n
o
lo
g
ies
Co
n
f
.
,
p
p
.
1
-
6
,
2
0
1
0
.
[4
1
]
R
.
W
.
Eri
c
k
so
n
a
n
d
D
.
M
a
k
sim
o
v
ic,
“
Fu
n
d
a
me
n
ta
ls
o
f
P
o
we
r
El
e
c
tro
n
ics
,”
No
rw
e
ll
,
M
A
,
Klu
w
e
r,
p
p
.
5
0
2
-
5
0
5
,
2
0
0
1
.
[4
2
]
X
.
M
a
rg
u
e
ro
n
a
n
d
J
.
P
.
Ke
ra
d
e
c
,
“
De
sig
n
o
f
e
q
u
iv
a
len
t
c
ircu
it
s
a
n
d
c
h
a
ra
c
teriz
a
ti
o
n
stra
teg
y
f
o
r
n
-
in
p
u
t
c
o
u
p
led
in
d
u
c
to
rs,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stria
l
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
43
(
1
)
,
p
p
.
1
4
-
2
2
,
2
0
0
7
.
[4
3
]
M
.
S
h
e
n
,
e
t
a
l
.
,
“
Co
n
sta
n
t
b
o
o
st
c
o
n
tr
o
l
o
f
th
e
z
-
so
u
rc
e
i
n
v
e
rter
to
m
in
im
ize
c
u
rre
n
t
rip
p
le
a
n
d
v
o
lt
a
g
e
stre
ss
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
42
(
3
)
,
p
p
.
7
7
0
-
7
7
8
,
2
0
0
6
.
[4
4
]
Y
.
Zh
o
u
,
e
t
a
l.
,
“
T
a
p
p
e
d
I
n
d
u
c
to
r
Qu
a
si
-
Z
-
s
o
u
rc
e
In
v
e
rte
r
,
”
A
p
p
li
e
d
P
o
w
e
r
El
e
c
tro
n
ics
Co
n
f
e
re
n
c
e
a
n
d
Ex
p
o
siti
o
n
(A
P
EC),
p
p
.
1
6
2
5
–
1
6
3
0
,
2
0
1
2
.
[4
5
]
S
.
L
iu
,
e
t
a
l.
,
“
Qu
a
si
-
Z
-
so
u
rc
e
ma
trix
c
o
n
v
e
rte
r
b
a
se
d
in
d
u
c
ti
o
n
mo
to
r
d
riv
e
s
,
”
In
P
ro
c
.
3
8
th
A
n
n
u
.
Co
n
f
.
IEE
E
IECON
,
M
o
n
trea
l,
QC,
Ca
n
a
d
a
,
p
p
.
5
3
0
3
–
5
3
0
7
,
2
0
1
2
.
[4
6
]
T
.
F
ried
li
,
e
t
a
l
.
,
“
Co
m
p
a
ra
ti
v
e
e
v
a
lu
a
ti
o
n
o
f
th
re
e
-
p
h
a
se
A
C
-
A
C
m
a
tri
x
c
o
n
v
e
rter
a
n
d
v
o
lt
a
g
e
DC
-
li
n
k
b
a
c
k
-
to
-
b
a
c
k
c
o
n
v
e
rter s
y
ste
m
s,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
.
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
59
(
12
)
,
p
p
.
4
4
8
7
–
4
5
1
0
,
2
0
1
2
.
[4
7
]
P
.
W
.
W
h
e
e
ler,
e
t
a
l
.
,
“
M
a
tri
x
c
o
n
v
e
rters
:
A
tec
h
n
o
lo
g
y
re
v
i
e
w
,
”
IEE
E
T
ra
n
a
c
ti
o
n
s
o
n
I
n
d
u
s
tria
l
E
lec
tro
n
ic
,
v
o
l
/i
ss
u
e
:
49
(
2
)
,
p
p
.
2
7
4
–
2
8
8
,
2
0
0
2
.
[4
8
]
K.
P
a
rk
,
e
t
a
l.
,
“
Z
-
so
u
rc
e
ma
trix
c
o
n
v
e
rte
r
wit
h
u
n
it
y
v
o
lt
a
g
e
tra
n
sfe
r
ra
ti
o
,
”
In
P
ro
c
.
3
5
th
IEE
E
IECON
,
P
o
rt
o
,
P
o
rtu
g
a
l,
p
p
.
4
5
2
3
–
4
5
2
8
,
2
0
0
9
.
[4
9
]
B.
G
e
,
e
t
a
l.
,
“
A
f
a
m
il
y
o
f
Z
-
so
u
rc
e
m
a
tri
x
c
o
n
v
e
rter,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
I
n
d
u
stria
l
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
59
(
1
)
,
p
p
.
3
5
–
4
6
,
2
0
1
2
.
[5
0
]
Q.
L
e
i,
e
t
a
l.
,
“
Pu
lse
-
wid
th
-
a
mp
li
tu
d
e
-
mo
d
u
l
a
ted
v
o
lt
a
g
e
-
fed
q
u
a
si
-
Z
-
so
u
rc
e
d
ire
c
t
ma
trix
c
o
n
v
e
rte
r
wit
h
ma
x
imu
m co
n
st
a
n
t
b
o
o
st,
”
In
P
r
o
c
.
2
7
t
h
A
n
n
u
.
IEE
E
A
P
EC
,
p
p
.
6
4
1
–
6
4
6
,
2
0
1
2
.
[5
1
]
L
.
He
,
e
t
a
l.
,
“
S
a
f
e
-
c
o
m
m
u
tati
o
n
stra
teg
y
f
o
r
th
e
n
o
v
e
l
f
a
m
il
y
o
f
q
u
a
si
-
Z
-
so
u
rc
e
A
C/
A
C
c
o
n
v
e
rter,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l.
El
e
c
tro
n
ics
,
v
o
l
/
issu
e
:
9
(
3
)
,
p
p
.
1
5
3
8
–
1
5
4
7
,
2
0
1
2
.
[5
2
]
O.
El
lab
b
a
n
a
n
d
H.
A
.
Ru
b
,
“
In
d
ire
c
t
fi
e
ld
-
o
rie
n
ted
c
o
n
tr
o
l
o
f
a
n
in
d
u
c
ti
o
n
mo
t
o
r
fed
b
y
a
b
id
ire
c
ti
o
n
a
l
q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rte
r,”
in
P
ro
c
.
3
8
th
A
n
n
u
.
Co
n
f
.
IEE
E
I
n
d
.
El
e
c
tro
n
.
S
o
c
.
,
M
o
n
trea
l,
QC,
Ca
n
a
d
a
,
p
p
.
5
2
9
7
–
5
3
0
2
,
2
0
1
2
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
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0
8
8
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694
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r
ch
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:
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5
–
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334
[5
3
]
O.
El
lab
b
a
n
,
e
t
a
l.
,
“
Co
n
tro
l
o
f
a
b
id
irec
ti
o
n
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l
Z
-
so
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rc
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in
v
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o
r
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tri
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v
e
h
icle
a
p
p
li
c
a
ti
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s
in
d
if
f
e
re
n
t
o
p
e
ra
ti
o
n
m
o
d
e
s,”
J
o
u
rn
a
l
o
f
P
o
we
r E
lec
tro
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v
o
l
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ss
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e
:
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)
,
p
p
.
1
2
0
–
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3
1
,
2
0
1
1
.
[5
4
]
A
.
V
.
Ho
,
e
t
a
l
.
,
“
Ex
ten
d
e
d
B
o
o
s
t
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c
ti
v
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-
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w
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h
e
d
-
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p
a
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it
o
r/
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w
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d
-
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d
u
c
to
r
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a
si
-
Z
-
S
o
u
rc
e
In
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r E
lec
tro
n
i
c
s
,
v
ol
/i
ss
u
e
:
30
(
10
)
,
2
0
1
5
.
[5
5
]
Y.
T
a
n
g
,
e
t
a
l.
,
“
P
u
lse
w
id
th
m
o
d
u
latio
n
o
f
Z
-
so
u
rc
e
in
v
e
rters
w
it
h
m
in
i
m
u
m
in
d
u
c
to
r
c
u
rre
n
t
rip
p
le,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
.
,
v
o
l
/i
ss
u
e
:
61
(
1
)
,
p
p
.
9
8
–
1
0
6
,
2
0
1
4
.
[5
6
]
P
.
C.
L
o
h
,
e
t
a
l.
,
“
P
u
lse
w
id
th
m
o
d
u
lati
o
n
o
f
Z
-
so
u
rc
e
in
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
w
e
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
20
(
6
)
,
p
p
.
1
3
4
6
–
1
3
5
5
,
2
0
0
5
.
[5
7
]
Y.
Hu
a
n
g
,
e
t
a
l.
,
“
Z
-
so
u
rc
e
in
v
e
rter
f
o
r
re
sid
e
n
ti
a
l
p
h
o
to
v
o
lt
a
ic
sy
s
tem
s,”
IEE
E
T
ra
n
sa
c
ti
o
n
o
n
Po
w
e
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
u
e
:
21
(
6
)
,
p
p
.
1
7
7
6
–
1
7
8
2
,
2
0
0
6
.
[5
8
]
Q.
L
e
i,
e
t
a
l.
,
“
No
v
e
l
lo
ss
a
n
d
h
a
rm
o
n
ic
m
in
i
m
ize
d
v
e
c
to
r
m
o
d
u
latio
n
f
o
r
a
c
u
rre
n
t
-
f
e
d
q
u
a
si
-
Z
-
so
u
rc
e
in
v
e
rter
in
HEV
m
o
to
r
d
riv
e
a
p
p
li
c
a
ti
o
n
,
”
IE
EE
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r E
lec
tro
n
ics
,
v
o
l
/
issu
e
;
29
(
3
)
,
p
p
.
1
3
4
4
–
1
3
5
7
,
2
0
1
4
.
[5
9
]
D.
L
i,
e
t
a
l
.
,
“
G
e
n
e
ra
li
z
e
d
M
u
lt
ice
ll
sw
it
c
h
e
d
-
in
d
u
c
t
o
r
a
n
d
sw
it
c
h
e
d
-
c
a
p
a
c
it
o
r
Z
-
so
u
rc
e
in
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
Po
we
r E
lec
tro
n
i
c
s
,
v
o
l
/i
ss
u
e
:
28
(
2
)
,
p
p
.
8
3
7
–
8
4
8
,
2
0
1
3
.
[6
0
]
Q.
V
.
T
ra
n
,
e
t
a
l.
,
“
A
lg
o
rit
h
m
s
fo
r
c
o
n
tro
ll
in
g
b
o
th
th
e
d
c
b
o
o
st
a
n
d
a
c
o
u
tp
u
t
v
o
l
tag
e
o
f
Z
-
so
u
rc
e
in
v
e
rter,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
o
n
In
d
u
stri
a
l
El
e
c
tr
o
n
ics
,
v
o
l
/
issu
e
:
54
(
5
)
,
p
p
.
2
7
4
5
–
2
7
5
0
,
2
0
0
7
.
[6
1
]
C
.
J
.
G
a
j
a
n
a
y
a
k
e
,
e
t
a
l.
,
“
Ex
ten
d
e
d
-
Bo
o
st
Z
-
S
o
u
rc
e
In
v
e
rters
,
”
IEE
E
T
ra
n
sa
c
ti
o
n
s o
n
P
o
we
r
El
e
c
tro
n
ics
,
v
o
l
/i
ss
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e
:
25
(
10
)
,
2
0
1
0
.
B
I
O
G
RAP
H
I
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F
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RS
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.
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g
h
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v
e
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d
ra
Ra
jan
re
c
e
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e
d
th
e
Ba
c
h
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lo
r
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re
e
in
El
e
c
tri
c
a
l
a
n
d
El
e
c
tro
n
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En
g
i
n
e
e
rin
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f
ro
m
A
u
ro
ra
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e
e
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a
iah
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n
g
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c
o
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w
a
h
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rlal
Ne
h
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Un
iv
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rsit
y
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y
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ra
b
a
d
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d
ia
i
n
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0
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1
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re
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d
M
a
ste
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re
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in
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o
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r
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tro
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n
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t
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p
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g
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n
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Un
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e
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re
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y
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rsu
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s
Re
se
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r
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in
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IT
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v
e
rsit
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Ch
e
n
n
a
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In
d
ia.His
c
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rre
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tere
st
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re
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A
C
In
v
e
rters
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n
d
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o
w
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r
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e
c
tro
n
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f
o
r
Re
n
e
wa
b
le
e
n
e
rg
y
.
Evaluation Warning : The document was created with Spire.PDF for Python.