I
nte
rna
t
io
na
l J
o
urna
l o
f
Adv
a
nces in Applie
d Science
s
(
I
J
AAS)
Vo
l.
5
,
No
.
3
,
Sep
tem
b
er
2016
,
p
p
.
1
3
7
~
1
4
0
I
SS
N:
2252
-
8814
137
J
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ttp
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201
6
In
s
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it
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in
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[1
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2.
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1
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
2
5
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8814
IJ
AA
S
Vo
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5
,
No
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3
,
Sep
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20
1
6
:
137
–
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4
0
138
Fig
u
r
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1
.
T
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2.
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
AA
S
I
SS
N:
2252
-
8814
I
o
T B
a
s
ed
W
in
d
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S
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r
Hyb
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ter
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jeeth
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.
)
139
Fig
u
r
e
2
.
E
q
u
iv
ale
n
t
C
ir
c
u
it
o
f
L
C
Fi
lter
3
.
5
.
P
ha
s
e
L
o
o
k
e
d L
o
o
p
(
P
L
L
)
T
h
e
P
L
L
ca
n
tr
ac
k
t
h
e
i
n
s
ta
n
ta
n
eo
u
s
n
et
w
o
r
k
f
u
n
d
a
m
en
tal
v
o
ltag
e
p
h
a
s
e
an
d
f
i
n
d
its
f
r
eq
u
e
n
c
y
.
Ot
h
er
m
et
h
o
d
s
w
er
e
d
ev
elo
p
ed
b
u
t t
h
e
m
aj
o
r
ity
o
f
t
h
e
m
ar
e
u
s
ed
o
n
l
y
i
f
t
h
e
v
o
lt
ag
e
s
i
g
n
a
l is
p
u
r
el
y
s
in
u
s
o
id
al.
T
h
e
P
h
ase
L
o
ck
ed
L
o
o
p
(
P
L
L
)
tech
n
iq
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e
u
s
ed
to
ex
tr
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th
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d
ir
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a
m
e
n
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v
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ase
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th
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v
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ltag
e
elec
tr
ical
s
u
p
p
l
y
n
et
w
o
r
k
s
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Gen
er
al
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tr
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ct
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r
e
o
f
a
s
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le
p
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ase
P
L
L
s
h
o
w
n
i
n
Fig
u
r
e
3
.
Fig
u
r
e
3
.
Gen
er
al
Stru
ct
u
r
e
o
f
a
Sin
g
le
P
h
ase
P
L
L
4.
P
RO
P
O
SE
D
CO
NT
RO
L
S
T
RAT
E
G
Y
Fig
u
r
e
4
s
h
o
w
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t
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e
W
in
d
co
n
t
r
o
l a
n
d
th
e
GP
V
co
n
tr
o
l i
s
s
h
o
w
n
i
n
Fi
g
u
r
e
5
.
Fig
u
r
e
4
.
W
in
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co
n
tr
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
2
5
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Sep
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20
1
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:
137
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0
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Fig
u
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5
.
GP
V
C
o
n
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o
l
4
.
1
.
B
o
o
s
t
Co
nv
er
t
er
A
b
o
o
s
t
co
n
v
er
ter
(
s
tep
-
u
p
co
n
v
er
ter
)
is
a
D
C
to
DC
p
o
w
e
r
co
n
v
er
ter
th
at
s
tep
s
u
p
v
o
lta
g
e
(
w
h
il
e
s
tep
p
in
g
d
o
w
n
cu
r
r
en
t)
f
r
o
m
it
s
in
p
u
t
(
s
u
p
p
l
y
)
to
its
o
u
tp
u
t
(
l
o
ad
)
.
I
t
is
a
class
o
f
s
w
itc
h
ed
-
m
o
d
e
p
o
w
er
s
u
p
p
l
y
(
SMP
S)
co
n
tain
i
n
g
at
lea
s
t
t
w
o
s
e
m
ico
n
d
u
cto
r
s
(
a
d
io
d
e
an
d
a
tr
an
s
is
to
r
)
an
d
at
least
o
n
e
en
er
g
y
s
to
r
ag
e
ele
m
e
n
t:
a
ca
p
ac
ito
r
,
in
d
u
cto
r
,
o
r
th
e
t
w
o
in
co
m
b
i
n
atio
n
.
T
o
r
e
d
u
ce
v
o
ltag
e
r
ip
p
le,
f
ilter
s
m
ad
e
o
f
ca
p
ac
ito
r
s
(
s
o
m
eti
m
es
in
co
m
b
i
n
atio
n
w
ith
in
d
u
cto
r
s
)
ar
e
n
o
r
m
all
y
ad
d
ed
to
s
u
ch
a
co
n
v
er
ter
's
o
u
tp
u
t
(
lo
ad
-
s
id
e
f
ilter
)
an
d
in
p
u
t (
s
u
p
p
l
y
-
s
id
e
f
ilter
)
.
4
.
2
.
B
uck
Co
nv
er
t
er
A
b
u
c
k
co
n
v
er
ter
s
tep
-
d
o
w
n
co
n
v
er
ter
is
a
DC
-
to
-
DC
p
o
w
er
co
n
v
er
ter
w
h
ic
h
s
tep
s
d
o
w
n
v
o
lta
g
e
(
w
h
ile
s
tep
p
in
g
u
p
cu
r
r
en
t)
f
r
o
m
i
ts
in
p
u
t
s
u
p
p
l
y
to
its
o
u
tp
u
t
lo
ad
.
I
t
is
a
class
o
f
s
w
i
tch
ed
-
m
o
d
e
p
o
w
er
s
u
p
p
l
y
(
SMP
S)
ty
p
icall
y
co
n
tai
n
i
n
g
at
least
t
w
o
s
e
m
ico
n
d
u
cto
r
s
(
a
d
io
d
e
an
d
a
tr
an
s
is
to
r
,
alth
o
u
g
h
m
o
d
er
n
b
u
c
k
co
n
v
er
ter
s
f
r
eq
u
en
tl
y
r
ep
lace
t
h
e
d
io
d
e
w
it
h
a
s
ec
o
n
d
tr
an
s
is
t
o
r
u
s
ed
f
o
r
s
y
n
ch
r
o
n
o
u
s
r
ec
ti
f
i
ca
tio
n
)
an
d
at
least
o
n
e
en
er
g
y
s
to
r
ag
e
ele
m
e
n
t,
a
ca
p
ac
ito
r
,
in
d
u
cto
r
,
o
r
th
e
tw
o
in
co
m
b
i
n
atio
n
.
T
o
r
e
d
u
ce
v
o
ltag
e
r
ip
p
le,
f
ilter
s
m
ad
e
o
f
ca
p
ac
it
o
r
s
(
s
o
m
eti
m
e
s
in
co
m
b
in
atio
n
w
i
th
i
n
d
u
cto
r
s
)
ar
e
n
o
r
m
all
y
ad
d
ed
to
s
u
ch
a
co
n
v
er
ter
'
s
o
u
tp
u
t
(
lo
ad
-
s
id
e
f
ilter
)
an
d
i
n
p
u
t (
s
u
p
p
ly
-
s
id
e
f
ilter
)
.
5.
CO
NCLU
SI
O
N
So
lar
p
o
w
er
is
w
el
l
k
n
o
w
n
to
b
e
an
ex
p
en
s
iv
e
s
o
lu
t
io
n
to
r
e
m
o
te
elec
tr
if
icatio
n
.
T
h
is
c
o
s
t
ca
n
b
e
r
ed
u
ce
d
b
y
ad
d
in
g
w
i
n
d
t
u
r
b
in
e
g
en
er
ato
r
s
to
r
ed
u
ce
t
h
e
r
elia
n
ce
o
n
P
V.
I
n
t
h
is
p
ap
er
,
w
e
h
av
e
f
o
c
u
s
ed
o
n
t
h
e
s
tu
d
y
o
f
p
h
o
to
v
o
ltaic
w
i
n
d
p
r
o
d
u
ctio
n
o
f
elec
tr
ical
en
er
g
y
o
p
tim
izatio
n
as
w
e
ll
as
it
s
tr
an
s
f
er
to
th
e
m
o
n
o
-
p
h
ase
elec
tr
ical
n
et
w
o
r
k
s
u
p
p
ly
t
h
r
o
u
g
h
a
n
in
v
er
ter
w
it
h
m
in
i
m
u
m
p
o
s
s
ib
le
lo
s
s
e
s
b
y
u
s
in
g
I
o
T
an
d
o
u
tp
u
t b
y
w
eb
p
ag
e.
T
h
e
ad
o
p
ted
a
p
p
r
o
ac
h
w
as
to
i
m
p
r
o
v
e
t
h
e
ch
ai
n
v
ar
io
u
s
p
ar
ts
p
o
in
t
b
y
p
o
in
t.
a
P
V/
w
in
d
s
y
s
te
m
p
r
o
tectio
n
d
ev
ice
is
i
m
p
le
m
e
n
ted
i.e
.
T
h
is
s
y
s
te
m
is
ab
le
to
r
ea
ct
to
o
v
er
v
o
ltag
e,
u
n
d
er
v
o
lt
ag
es
an
d
f
r
eq
u
e
n
c
y
v
ar
iatio
n
s
.
I
t
w
as
s
u
b
j
ec
ted
to
an
o
v
er
v
o
lta
g
e,
an
u
n
d
er
v
o
lt
ag
e
an
d
f
r
eq
u
en
c
y
v
ar
iatio
n
.
T
h
e
s
y
s
te
m
s
h
o
w
ed
g
o
o
d
r
esu
lts
in
ea
c
h
cited
ca
s
e.
T
h
e
s
m
all
p
r
ice
d
if
f
er
en
ce
b
et
w
ee
n
t
h
e
clas
s
ic
s
o
l
u
tio
n
a
n
d
th
e
i
s
la
n
d
g
r
id
s
o
lu
tio
n
i
s
j
u
s
tifie
d
b
y
th
e
f
le
x
ib
ilit
y
a
n
d
ex
te
n
d
ib
ilit
y
o
f
f
er
ed
b
y
th
e
SM
A
s
y
s
te
m
,
in
p
ar
ticu
lar
th
e
ad
d
itio
n
o
f
ad
d
itio
n
al
g
en
er
atio
n
eq
u
ip
m
en
t
at
a
later
d
ate.
T
h
e
ty
p
e
o
f
co
n
n
ec
tio
n
o
f
t
h
e
d
if
f
er
e
n
t
co
m
p
o
n
e
n
t
s
to
th
e
s
y
s
te
m
is
j
u
s
t a
s
i
m
p
o
r
tan
t.
T
h
e
AC
co
u
p
lin
g
w
i
th
in
v
er
ter
al
lo
w
s
w
e
to
co
n
n
ec
t
n
ea
r
l
y
a
n
y
t
y
p
e
o
f
elec
tr
icit
y
g
en
er
ato
r
an
d
a
n
y
t
y
p
e
o
f
co
n
s
u
m
er
to
o
u
r
s
y
s
te
m
.
T
h
is
m
a
k
es
o
u
r
s
y
s
te
m
ea
s
il
y
e
x
ten
d
a
b
le
o
n
th
e
co
n
s
u
m
er
s
id
e
as
w
ell
as o
n
t
h
e
g
e
n
er
ato
r
s
id
e.
RE
F
E
R
E
NC
E
S
[1
]
A
.
M
irec
k
i
,
"
Et
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d
e
c
o
m
p
a
ra
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rg
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h
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NSE
EIHT
Un
it
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M
ix
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e
Re
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CNRS
Nº
5
8
2
8
,
Nº
d
’
o
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re
:
2
2
1
3
A
n
n
é
e
2
0
0
5
.
[2
]
R.
M
e
lí
c
io
,
V
.
M.
F
.
M
e
n
d
e
s
,
J
.
P.
S
.
Ca
talã
o
,
"
Co
m
p
a
ra
ti
v
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st
u
d
y
o
f
p
o
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c
o
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rter
to
p
o
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s
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d
c
o
n
tr
o
l
stra
teg
ies
f
o
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th
e
h
a
rm
o
n
ic p
e
rf
o
rm
a
n
c
e
o
f
v
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ri
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sp
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w
in
d
tu
r
b
in
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g
e
n
e
ra
to
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sy
ste
m
s
,
"
En
e
rg
y
,
v
o
l.
36
,
2
0
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1
.
[3
]
F
.
V
a
len
c
iag
a
a
n
d
P
.
F
.
P
u
l
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sto
n
,
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u
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tr
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ra
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n
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[4
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u
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W
in
d
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u
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e
Op
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ra
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.
[5
]
A
.
Ho
q
u
e
,
e
t
K.
A
.
W
a
h
id
,
"
Ne
w
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a
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m
a
ti
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)"
J
o
u
rn
a
l
o
f
El
e
c
trica
l
En
g
i
n
e
e
rin
g
T
h
e
I
n
stit
u
te
.
Evaluation Warning : The document was created with Spire.PDF for Python.