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2
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201
9
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761
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s
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A
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DFI
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D
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in
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©
2
0
1
9
In
stit
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te o
f
A
d
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n
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E
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.
Al
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rig
h
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se
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C
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p
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A
uth
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r
:
Kao
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tar
R
ab
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i,
Dep
ar
t
m
en
t o
f
E
lectr
ical
E
n
g
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in
g
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Mo
h
a
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Sc
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ab
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1.
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NT
RO
D
UCT
I
O
N
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en
t
y
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s
,
r
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an
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e
n
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its
to
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en
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m
e
n
t,
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s
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h
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co
n
v
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n
tio
n
a
l
en
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g
y
tec
h
n
o
lo
g
i
es.
Fo
r
elec
tr
icit
y
p
r
o
d
u
ctio
n
b
y
w
in
d
p
o
w
er
,
th
e
Do
u
b
l
y
Fed
I
n
d
u
c
tio
n
Ge
n
er
ato
r
(
DFI
G)
is
f
r
eq
u
e
n
tl
y
u
s
ed
b
ec
au
s
e
o
f
it
s
v
ar
io
u
s
ad
v
a
n
tag
e
s
;
i
t
p
r
o
v
id
es
attr
ac
ti
v
e
s
o
l
u
tio
n
s
a
n
d
b
en
ef
its
[
1
]
;
th
e
DFI
G
ca
n
o
p
er
ate
in
w
id
e
r
an
g
e
o
f
s
p
ee
d
v
ar
iatio
n
an
d
g
e
n
er
ate
m
ax
i
m
u
m
p
o
w
er
[
2
]
.
Ho
w
e
v
er
,
lik
e
o
t
h
er
r
en
e
w
a
b
le
en
er
g
y
s
o
u
r
ce
s
,
w
i
n
d
en
er
g
y
t
u
r
n
s
to
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e
u
n
s
tead
y
d
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e
to
th
e
in
ter
m
itte
n
t
n
at
u
r
e
o
f
w
i
n
d
p
o
w
er
;
t
h
e
w
i
n
d
s
p
ee
d
is
i
n
f
lu
en
ce
d
b
y
n
at
u
r
al
a
n
d
m
eteo
r
o
lo
g
ical
co
n
d
itio
n
s
;
th
e
f
lu
c
tu
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o
f
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o
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tp
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t
p
o
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h
e
w
i
n
d
f
ar
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af
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eq
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il
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a
lit
y
,
p
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o
tectio
n
an
d
p
o
w
er
d
is
p
atch
in
g
[
3
]
.
W
in
d
en
er
g
y
p
r
ed
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o
n
is
n
o
t
al
w
a
y
s
p
o
s
s
ib
le;
d
u
e
to
th
e
w
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n
d
s
p
ee
d
v
ar
iatio
n
;
s
o
,
to
o
p
ti
m
ize
t
h
e
p
er
f
o
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m
an
ce
o
f
t
h
e
s
y
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te
m
; p
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m
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s
t b
e
s
u
p
p
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ted
b
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r
ese
r
v
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w
h
ich
is
m
o
r
e
ex
p
en
s
iv
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t
h
a
n
th
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elec
tr
ici
t
y
m
ar
k
et
p
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ice.
T
o
allo
w
to
w
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n
d
t
u
r
b
in
es
t
o
p
ar
ticip
ate
in
p
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w
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eg
u
la
tio
n
,
s
y
s
te
m
p
er
f
o
r
m
an
ce
o
p
t
i
m
izatio
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,
u
n
i
t
co
m
m
i
t
m
e
n
t
an
d
e
lectr
ici
t
y
m
ar
k
e
t
m
o
v
e
m
e
n
t;
e
n
er
g
y
s
to
r
ag
e
d
ev
ices
ar
e
r
eq
u
ir
ed
.
Ma
n
y
r
ec
en
t
s
t
u
d
ies
h
av
e
f
o
cu
s
ed
o
n
th
e
p
er
f
o
r
m
an
ce
o
f
DFI
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w
i
n
d
tu
r
b
i
n
e
co
n
n
ec
ted
to
th
e
E
n
er
g
y
Sto
r
ag
e
S
y
s
te
m
(
E
SS
)
,
th
is
p
ap
er
p
r
o
p
o
s
es
a
n
e
w
tec
h
n
iq
u
e
w
h
ic
h
is
co
n
n
ec
ti
n
g
th
e
D
-
ST
A
T
C
OM
an
d
t
h
e
E
S
S
at
th
e
s
a
m
e
ti
m
e
to
th
e
w
i
n
d
f
ar
m
.
T
h
e
o
r
g
an
izatio
n
o
f
t
h
is
p
ap
er
is
as f
o
llo
w
s
:
a)
Sectio
n
2
d
is
cu
s
s
e
s
b
r
ief
l
y
t
h
e
d
if
f
er
e
n
t e
n
er
g
y
s
to
r
ag
e
t
y
p
e
s
f
o
r
w
i
n
d
p
o
w
er
.
b)
Sectio
n
3
f
o
cu
s
es o
n
t
h
e
DFI
G
an
d
th
e
s
u
p
er
ca
p
ac
ito
r
s
as a
n
E
SS
.
c)
Sectio
n
4
d
escr
ib
es sh
o
r
tl
y
th
e
D
-
ST
A
T
C
OM
as o
n
e
o
f
th
e
i
m
p
o
r
ta
n
t
f
ac
ts
d
ev
ice
s
.
Fin
all
y
;
i
n
t
h
e
last
s
ec
tio
n
,
a
co
m
p
ar
is
o
n
b
et
w
ee
n
2
s
i
m
u
latio
n
s
w
h
ich
ar
e
ca
r
r
ied
o
u
t
in
t
h
e
MA
T
L
A
B
/S
i
m
u
li
n
k
;
t
h
e
f
ir
s
t
s
i
m
u
lat
io
n
co
n
s
i
s
ts
o
f
a
w
in
d
f
ar
m
w
it
h
a
to
tal
p
o
w
er
o
f
2
4
MW
,
ea
ch
DFI
G
i
n
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.
9
,
No
.
2
,
A
p
r
il 2
0
1
9
:
7
6
1
-
7
7
0
762
th
is
w
i
n
d
f
ar
m
i
s
co
n
n
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ted
to
s
u
p
er
ca
p
ac
it
o
r
s
,
th
e
s
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o
n
d
s
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m
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latio
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s
; t
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e
D
-
ST
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T
C
OM
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co
n
n
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ted
to
th
i
s
w
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m
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t
u
d
y
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lts
s
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ab
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s
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th
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D
-
ST
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T
C
OM
.
2.
E
NE
RG
Y
ST
O
R
AG
E
F
O
R
WI
ND
P
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W
in
d
p
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en
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d
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ce
s
m
a
n
y
tec
h
n
ical
c
h
a
llen
g
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s
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c
h
as
d
is
p
atc
h
i
n
g
,
co
n
tr
o
l,
p
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tectio
n
,
in
ter
co
n
n
ec
t
io
n
to
th
e
elec
tr
ical
g
r
id
a
n
d
p
o
w
er
q
u
alit
y
.
T
h
e
co
n
n
ec
tio
n
o
f
lar
g
e
w
i
n
d
f
ar
m
i
n
to
th
e
g
r
id
ca
u
s
e
s
m
an
y
p
r
o
b
lem
s
[
4
]
,
[
5
]
,
in
p
ar
ticu
lar
:
a)
I
n
ter
m
it
ten
c
y
:
t
h
e
o
u
tp
u
t
o
f
a
w
i
n
d
f
ar
m
m
u
s
t
b
e
r
e
g
u
la
ted
at
an
ac
ce
p
tab
le
d
is
p
atch
in
g
l
ev
el;
h
o
w
e
v
er
,
i
t
is
d
i
f
f
ic
u
lt
to
b
alan
ce
it;
d
u
e
to
th
e
w
in
d
s
p
ee
d
in
ter
m
it
ten
c
y
,
esp
ec
iall
y
in
th
e
ca
s
e
o
f
l
ar
g
e
-
s
ca
le
w
i
n
d
p
o
w
er
in
te
g
r
atio
n
s
y
s
te
m
[
6
-
7]
.
b)
R
a
m
p
r
ate:
w
i
n
d
p
o
w
er
ch
a
n
g
es
f
r
o
m
m
i
n
u
te
to
m
i
n
u
te,
s
o
m
e
r
a
m
p
s
e
x
ce
ed
th
e
li
m
it
s
,
also
th
e
s
u
d
d
en
d
ie
-
o
f
f
an
d
r
is
e
r
estra
i
n
t
t
h
e
q
u
alit
y
o
f
w
i
n
d
p
o
w
er
[
8
]
,
in
F
ig
u
r
e
1
an
e
x
a
m
p
le
o
f
a
d
ail
y
w
i
n
d
p
r
o
f
ile,
th
e
w
i
n
d
p
o
w
er
tak
e
s
ab
o
u
t
1
3
h
o
u
r
s
to
d
ec
r
ea
s
e
f
r
o
m
th
e
b
eg
i
n
n
in
g
v
al
u
e
o
f
3
0
0
0
MW
to
1
1
0
0
MW
th
en
4
h
o
u
r
s
later
t
h
e
w
i
n
d
p
o
w
er
b
ec
o
m
e
s
3
3
0
0
MW
,
th
e
u
p
an
d
d
o
w
n
m
o
v
e
m
en
t
cr
ea
te
s
la
r
g
e
p
ea
k
s
,
it
is
d
if
f
ic
u
lt to
id
en
tify
t
h
e
w
i
n
d
p
o
w
er
r
a
m
p
in
g
.
Fig
u
r
e
1
.
W
in
d
p
r
o
f
ile
ex
a
m
p
l
e
T
h
er
e
ar
e
m
an
y
t
y
p
e
s
o
f
en
er
g
y
s
to
r
ag
e
tec
h
n
o
lo
g
i
es [
9
]
as it
is
illu
s
tr
ated
in
F
ig
u
r
e
2
:
a)
P
u
m
p
ed
s
to
r
ag
esto
ck
s
en
er
g
y
in
th
e
f
o
r
m
o
f
w
ater
in
h
i
g
h
er
r
eser
v
o
ir
p
u
m
p
ed
f
r
o
m
an
o
th
er
lo
w
er
r
eser
v
o
ir
.
I
n
p
ea
k
s
h
o
u
r
s
,
d
u
r
i
n
g
th
e
p
er
io
d
s
o
f
h
ig
h
d
e
m
an
d
;
th
e
s
to
r
ed
w
ater
is
r
elea
s
ed
th
r
o
u
g
h
t
u
r
b
in
e
s
lik
e
a
h
y
d
r
o
p
o
w
er
s
tatio
n
,
t
h
e
r
elea
s
ed
w
ater
p
r
o
d
u
ce
s
elec
tr
ical
en
er
g
y
[
1
0
]
b)
F
ly
w
h
ee
l
s
to
r
a
g
e
:
th
e
m
ai
n
c
o
m
p
o
n
en
t
i
s
a
r
o
to
r
th
at
is
a
cc
eler
ated
to
a
h
ig
h
s
p
ee
d
,
th
e
en
er
g
y
o
f
t
h
e
s
y
s
te
m
is
m
ai
n
tai
n
ed
as
a
r
o
tatio
n
al
en
er
g
y
w
h
ich
is
s
t
o
r
ed
in
th
e
f
l
y
w
h
ee
l,
w
h
en
d
is
p
atch
i
n
g
;
th
e
f
l
y
w
h
ee
l r
elea
s
es t
h
e
s
to
r
ed
en
er
g
y
a
n
d
th
e
m
ac
h
i
n
e
w
o
r
k
s
as a
g
en
er
ato
r
[
1
0
]
c)
C
o
mp
r
ess
ed
a
ir
s
to
r
a
g
e
:
t
h
is
tech
n
iq
u
e
is
eq
u
i
v
alen
t
to
t
h
e
p
u
m
p
ed
s
to
r
ag
e
tech
n
iq
u
e,
t
h
e
d
i
f
f
er
e
n
ce
i
s
th
at
t
h
e
air
i
s
co
m
p
r
ess
ed
u
n
d
er
p
r
ess
u
r
e
in
s
tead
o
f
p
u
m
p
ed
w
ater
,
w
h
e
n
t
h
er
e
is
a
n
elec
tr
icit
y
ap
p
ea
l;
t
h
e
co
m
p
r
es
s
ed
air
i
s
h
ea
te
d
a
n
d
m
i
x
ed
w
it
h
n
at
u
r
al
g
as,
t
h
en
ex
p
an
d
ed
i
n
g
as
t
u
r
b
in
e
f
o
r
p
o
w
er
p
r
o
d
u
ctio
n
[
1
1
]
d)
C
a
p
a
cito
r
s
s
to
r
a
g
e
o
f
f
er
r
ap
id
ch
ar
g
e
an
d
d
is
ch
ar
g
e
c
y
cle
s
,
it
is
co
m
p
o
s
ed
o
f
t
w
o
p
ar
a
llel
co
n
d
u
cti
n
g
p
lates sep
ar
ated
b
y
a
d
ielec
tr
ic
m
ater
ial
[
1
2
]
e)
S
u
p
erco
n
d
u
ctin
g
elec
tr
o
ma
g
n
ets
ar
e
m
ad
e
f
r
o
m
co
il
s
o
f
s
u
p
er
co
n
d
u
ctin
g
w
ir
e
w
h
ich
co
n
d
u
ct
b
etter
t
h
a
n
th
e
o
r
d
in
ar
y
w
ir
e
[
1
3
]
f)
Th
erma
l
s
to
r
a
g
e
u
s
es
s
ta
n
d
ar
d
co
o
lin
g
eq
u
ip
m
e
n
t,
t
h
e
t
h
er
m
al
e
n
er
g
y
is
s
to
c
k
ed
b
y
h
ea
t
in
g
o
r
co
o
lin
g
a
s
to
r
ag
e
m
ed
i
u
m
,
t
h
e
n
u
s
ed
w
h
en
th
er
e
is
a
n
en
e
r
g
y
d
e
m
a
n
d
[
1
4
]
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
E
n
erg
y
s
to
r
a
g
e
o
f D
F
I
G
b
a
s
ed
w
in
d
fa
r
m
u
s
in
g
D
-
S
TATC
OM
(
K
a
o
u
ta
r
R
a
b
yi
)
763
Fig
u
r
e
2
.
Sto
r
ag
e
tech
n
o
lo
g
ies
class
i
f
icatio
n
s
ch
e
m
e
g)
Th
e
ch
emic
a
l
s
to
r
a
g
e
:
its
o
p
er
atio
n
m
o
d
e
i
s
t
h
e
u
s
e
o
f
e
lectr
o
ly
s
i
s
w
ater
to
p
r
o
d
u
ce
h
y
d
r
o
g
en
in
o
r
d
er
to
s
tab
ilize
t
h
e
en
er
g
y
.
H
y
d
r
o
g
en
m
o
lec
u
leco
u
ld
b
e
u
s
ed
as
an
en
er
g
y
s
to
r
ag
e,
al
s
o
th
e
u
s
e
o
f
m
e
th
a
n
e
(
C
H
4
)
th
at
r
es
u
lt
s
f
r
o
m
t
h
e
co
n
v
er
s
io
n
o
f
H
y
d
r
o
g
en
a
n
d
ca
r
b
o
n
d
io
x
id
e
[
1
5
-
16]
h)
Th
e
co
n
ve
n
tio
n
a
l b
a
tter
y
co
n
s
is
ts
o
f
th
e
u
s
e
o
f
b
atter
y
ce
lls
,
w
h
ic
h
ar
e
co
n
n
ec
ted
in
d
i
f
f
er
e
n
t
f
o
r
m
(
s
er
ies
,
p
ar
allel)
to
h
a
v
e
s
p
ec
i
f
ic
e
l
ec
tr
ical
ch
ar
ac
ter
is
tic,
ce
ll
s
ar
e
co
m
p
o
u
n
d
ed
o
f
liq
u
id
,
s
o
lid
o
r
p
aste
elec
tr
o
l
y
te
w
it
h
ca
th
o
d
e
an
d
a
n
o
d
e
[
1
7
]
i)
Hig
h
temp
era
tu
r
e
b
a
tter
y
,
t
h
i
s
t
y
p
e
o
f
b
atter
y
b
ec
o
m
e
ac
ti
v
e
at
v
er
y
h
ig
h
te
m
p
er
atu
r
e
(
3
0
0
°
-
3
4
0
°)
b
y
ap
p
licatio
n
o
f
h
ea
t
f
r
o
m
e
x
ter
n
al
s
o
u
r
ce
to
d
is
s
o
lv
e
t
h
e
elec
tr
o
ly
te,
t
h
e
h
ea
t
r
ed
u
c
es
th
e
tu
r
b
i
n
es
p
er
f
o
r
m
a
n
ce
.
B
u
t it
i
s
v
er
y
co
s
tl
y
[
1
8
]
j)
Th
e
flo
w
b
a
tter
y
:
its
r
ec
h
ar
g
ea
b
ilit
y
i
s
p
r
o
v
id
ed
b
y
t
wo
ch
e
m
ical
co
m
p
o
n
e
n
ts
d
is
s
o
lv
ed
in
liq
u
id
s
elec
tr
o
l
y
tes
an
d
s
ep
ar
ated
b
y
a
m
e
m
b
r
an
e,
Van
ad
i
u
m
R
ed
o
x
(
VR
B
)
,
Po
ly
s
u
lp
h
id
e
B
r
o
m
id
e
(
P
SB
)
an
d
Z
i
n
c
B
r
o
m
i
n
e
(
Z
n
B
r
)
b
atter
ie
s
ar
e
th
e
m
o
s
t
t
y
p
ical
f
lo
w
b
atter
ies.
Fo
r
th
e
w
i
n
d
p
o
w
er
d
is
p
atch
i
n
g
t
h
e
Z
n
B
r
b
atter
y
i
s
u
s
ed
[
1
8
]
3.
E
NE
RG
Y
ST
O
R
AG
E
F
O
R
DF
I
G
WI
ND
T
URB
I
N
E
I
n
t
h
is
p
ap
er
t
h
e
p
r
o
p
o
s
ed
tech
n
o
lo
g
y
o
f
t
h
e
w
i
n
d
t
u
r
b
in
e
i
s
t
h
e
DFI
G
[
1
9
-
2
0
]
,
th
e
p
r
in
ci
p
al
o
f
t
h
is
tech
n
o
lo
g
y
-
as s
h
o
w
n
in
Fig
u
r
e
3
is
th
at
th
e
r
o
to
r
w
i
n
d
in
g
s
ar
e
co
n
n
ec
ted
to
th
e
g
r
id
v
ia
s
l
ip
r
in
g
s
a
n
d
a
b
ac
k
to
b
ac
k
v
o
lta
g
e
s
o
u
r
ce
co
n
v
er
ter
,
th
e
ac
ti
v
e
a
n
d
r
ea
ctiv
e
p
o
w
er
ca
n
b
e
ad
j
u
s
ted
f
r
o
m
t
h
e
s
tato
r
in
d
ep
en
d
e
n
tl
y
o
f
th
e
g
en
er
ato
r
s
p
ee
d
.
Fig
u
r
e
3
.
Sch
e
m
atic
o
f
D
FIG
co
n
n
ec
ted
to
th
e
g
r
id
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.
9
,
No
.
2
,
A
p
r
il 2
0
1
9
:
7
6
1
-
7
7
0
764
T
h
e
p
r
o
p
o
s
ed
en
er
g
y
s
to
r
ag
e
s
y
s
te
m
(
E
S
S)
is
t
h
e
s
u
p
er
ca
p
ac
ito
r
tech
n
o
lo
g
y
,
w
h
er
e
a
n
elec
tr
o
l
y
te
s
o
lu
tio
n
is
p
lace
d
b
et
w
ee
n
t
wo
s
o
lid
co
n
d
u
cto
r
s
f
o
r
th
e
S
C
,
th
e
t
w
o
q
u
ad
r
an
t
s
d
c/d
c
co
n
v
er
ter
ar
e
co
n
n
ec
ted
to
th
e
DFI
G
d
c
lin
k
as
s
h
o
w
n
in
F
ig
u
r
e
4.
Ma
n
y
r
esear
c
h
es
h
av
e
b
ee
n
ca
r
r
ied
o
u
t
o
n
th
e
u
s
e
o
f
s
u
p
er
ca
p
ac
ito
r
as
an
ef
f
ici
en
t
s
to
r
ag
e
tech
n
iq
u
e;
t
h
e
DFI
G
elec
tr
ica
l
to
r
q
u
e
ca
n
b
e
r
eg
u
lated
d
u
e
to
th
e
i
m
p
r
o
v
e
m
e
n
t
o
f
t
h
e
g
r
id
f
r
eq
u
en
c
y
b
y
t
h
e
s
u
p
er
ca
p
ac
ito
r
[
2
1
]
,
[
2
2
]
.
T
h
e
s
to
r
ed
en
er
g
y
is
g
iv
e
n
b
y
E
q
u
atio
n
s
(
1
)
an
d
(
2
)
,
(
1
)
(
2
)
So
th
e
ca
p
ac
itan
ce
i
s
:
(
3
)
W
h
er
e:
-
: th
e
s
to
r
ed
en
er
g
y
-
:
th
e
n
o
m
i
n
al
p
o
w
er
-
: th
e
ac
ti
v
e
cir
cu
it ti
m
e
o
f
s
u
p
er
ca
p
ac
ito
r
-
: th
e
ca
p
ac
it
y
o
f
th
e
s
u
p
er
ca
p
ac
ito
r
-
m
ax
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2
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ter
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ter
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ted
w
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D
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n
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ch
a
n
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ti
v
e
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5.
WI
ND
F
ARM
SI
M
UL
AT
I
O
N
5
.
1
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G
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nn
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t
ed
t
o
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SS
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ir
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p
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1
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w
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ig
u
re
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ev
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w
i
n
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t
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in
e
h
a
s
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v
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s
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n
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o
w
n
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Fig
u
r
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4.
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h
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w
in
d
f
ar
m
i
s
co
n
n
ec
ted
to
th
e
g
r
id
v
ia
:
a)
2
5
k
V/5
7
5
V
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s
f
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m
er
b)
E
lectr
ical
lin
e
o
f
3
5
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m
c)
T
r
an
s
f
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1
2
0
k
V/2
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KV,
T
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to
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s
o
f
2
5
0
0
MV
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an
d
1
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KV.
Fig
u
r
e
6
.
W
in
d
Far
m
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f
ig
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r
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T
o
g
en
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ate
f
l
u
ct
u
atio
n
s
in
t
h
e
elec
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q
u
a
n
tit
ies;
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ar
iab
le
w
i
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d
s
p
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is
ap
p
lied
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e
w
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d
f
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m
,
s
i
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u
lat
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s
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e
ca
r
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o
u
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t
h
e
M
A
T
L
A
B
/Si
m
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li
n
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en
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t.
Fig
u
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s
h
o
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(
B
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I
SS
N
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8
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ig
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S
[1
]
Zem
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it
A
b
d
e
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a
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d
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e
ss
a
lt
i
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a
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im
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DFOC:
A
Co
m
p
a
ra
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y
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t
J
Ap
p
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En
g
Res
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8
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o
.
1
1
,
p
p
.
5
6
2
3
-
8
,
2
0
1
6
.
[2
]
Na
i
m
Ch
e
r
f
ia
a
n
d
Dja
ll
e
l
Ke
rd
o
u
n
,
“
W
in
d
E
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v
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rsio
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y
ste
m
s
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se
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Co
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In
d
irec
t
V
e
c
t
o
r
Us
in
g
P
W
M
a
n
d
S
V
M
,
”
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ter
n
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ti
o
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a
l
J
o
u
rn
a
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o
f
E
lec
trica
l
a
n
d
Co
m
p
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
)
,
v
o
l.
6
,
n
o
.
2
,
p
p
.
5
4
9
-
5
5
9
,
A
p
ril
2
0
1
6
,
[3
]
S
.
T
e
lek
e
,
e
t
a
l.
,
“
Co
n
tr
o
l
S
trate
g
ies
f
o
r
B
a
tt
e
r
y
En
e
rg
y
S
to
ra
g
e
fo
r
w
in
d
f
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rm
d
isp
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tch
in
g
,
”
IEE
E
T
ra
n
s.
E
n
e
rg
y
Co
n
v
e
rs
.
,
v
o
l.
2
4
,
n
o
.
3
,
p
p
.
7
2
5
-
7
3
2
,
S
e
p
.
2
0
0
9
.
[4
]
C.
Ha
n
,
e
t
a
l.
,
“
S
TATCOM
I
m
p
a
c
t
S
tu
d
y
o
n
th
e
In
teg
ra
ti
o
n
o
f
a
la
rg
e
w
in
d
fa
r
m
in
to
a
we
a
k
L
o
o
p
P
o
w
e
r
S
y
st
e
m
,
”
IEE
E
T
ra
n
s.
E
n
e
rg
y
Co
n
v
e
rs
.
,
v
o
l.
2
3
,
n
o
.
1
,
p
p
.
2
2
6
-
2
3
3
,
M
a
r.
2
0
0
8
.
[5
]
Bin
e
e
ta
M
u
k
h
o
p
a
d
h
y
a
y
,
e
t
a
l.
,
“
V
o
l
tag
e
Co
m
p
e
n
sa
ti
o
n
in
W
in
d
P
o
w
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S
y
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m
u
sin
g
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TAT
COM
Co
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tr
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ll
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d
b
y
S
o
f
t
Co
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p
u
t
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T
e
c
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n
iq
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e
s
,
”
In
t
e
rn
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
Co
m
p
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
, v
o
l.
7
,
n
o.
2
,
p
p
.
6
6
7
-
680
,
A
p
ril
2
0
1
7
.
[6
]
G
u
o
ru
i
Re
n
a
,
et
al.
,
“
M
e
a
su
re
m
e
n
t
a
n
d
S
tatisti
c
a
l
A
n
a
l
y
sis
o
f
W
in
d
S
p
e
e
d
In
term
it
ten
c
y
,
”
E
n
e
rg
y
,
v
o
l.
1
1
8
,
p
p
.
6
3
2
-
643
,
Ja
n
2
0
1
7
.
[7
]
T
.
R.
A
y
o
d
e
len
a
n
d
A
.
S
.
O.
O
g
u
n
ju
y
ig
b
e
,
“
M
it
ig
a
ti
o
n
o
f
w
i
n
d
P
o
w
e
r
I
n
term
it
ten
c
y
:
S
to
ra
g
e
Tec
h
n
o
lo
g
y
A
p
p
ro
a
c
h
,”
Ren
e
wa
b
le a
n
d
S
u
st
a
in
a
b
le E
n
e
rg
y
Rev
iews
,
v
o
l.
4
4
,
p
p
.
4
4
7
-
4
5
6
,
2
0
1
5
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
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8
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8708
I
n
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2
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[8
]
D.
L
e
e
a
n
d
R.
Ba
ld
ick
,
“
L
i
m
it
in
g
Ra
m
p
Ra
te
o
f
W
in
d
P
o
w
e
r
Ou
tp
u
t
u
si
n
g
a
Ba
tt
e
ry
B
a
se
d
o
n
th
e
V
a
rian
ce
G
a
m
m
a
P
ro
c
e
ss
,
”
In
ter
n
a
t
io
n
a
l
Co
n
fer
e
n
c
e
o
n
Ren
e
wa
b
le
En
e
rg
i
e
s
a
n
d
Po
we
r
Qu
a
li
ty
(
ICRE
PQ’1
2
)
S
a
n
t
ia
g
o
d
e
Co
mp
o
ste
l
a
(
S
p
a
in
)
,
2
8
th
to
3
0
th
M
a
rc
h
,
2
0
1
2
.
[9
]
L
u
o
X,
e
t
a
l.
,
“
Ov
e
rv
ie
w
o
f
Cu
rre
n
t
De
v
e
lo
p
m
e
n
t
in
El
e
c
tri
c
a
l
E
n
e
rg
y
S
to
ra
g
e
T
e
c
h
n
o
lo
g
ies
a
n
d
th
e
A
p
p
li
c
a
ti
o
n
P
o
ten
ti
a
l
in
P
o
w
e
r
S
y
ste
m
Op
e
ra
t
io
n
,”
Ap
p
l
E
n
e
rg
y
,
v
o
l.
1
3
7
,
p
p
.
5
1
1
-
3
6
,
2
0
1
5
.
[1
0
]
R.
S
e
b
a
stián
a
n
d
R.
P
e
ñ
a
A
lzo
la
,
“
F
ly
w
h
e
e
l
En
e
rg
y
S
to
ra
g
e
S
y
ste
m
s:
Re
v
ie
w
a
n
d
S
im
u
lat
io
n
f
o
r
a
n
I
so
late
d
w
in
d
P
o
w
e
r
S
y
ste
m
,”
Ren
e
wa
b
le a
n
d
S
u
sta
i
n
a
b
le E
n
e
rg
y
Rev
iews
,
v
o
l.
1
6
,
n
o
.
9
,
p
p
.
6
8
0
3
-
6
8
1
3
,
De
c
e
m
b
e
r
2
0
1
2
.
[1
1
]
A
.
Ro
g
e
rs
,
e
t
a
l
.
,
“
Co
m
p
re
ss
e
d
A
ir
En
e
rg
y
S
to
ra
g
e
:
T
h
e
r
m
o
d
y
n
a
m
i
c
a
n
d
Eco
n
o
m
ic
R
e
v
ie
w
,
”
PE
S
Ge
n
e
ra
l
M
e
e
ti
n
g
,
Co
n
fer
e
n
c
e
&
Exp
o
siti
o
n
,
2
0
1
4
IE
EE
.
[1
2
]
Nih
a
l
Ku
lara
t
n
a
,
“
En
e
rg
y
S
to
ra
g
e
D
e
v
ic
e
s
f
o
r
El
e
c
tro
n
ic
S
y
ste
m
s
Re
c
h
a
rg
e
a
b
le
B
a
tt
e
ries
a
n
d
S
u
p
e
rc
a
p
a
c
it
o
rs,
Re
c
h
a
rg
e
a
b
le Ba
tt
e
ries
a
n
d
S
u
p
e
r
c
a
p
a
c
it
o
rs”
.
[1
3
]
Zan
m
in
g
W
a
n
g
,
e
t
a
l.
,
“
De
v
e
lo
p
m
e
n
t
o
f
S
u
p
e
rc
o
n
d
u
c
ti
n
g
M
a
g
n
e
t
f
o
r
h
ig
h
-
f
i
e
ld
M
R
S
y
ste
m
s
in
Ch
in
a
,
”
Ph
y
sic
a
C:
S
u
p
e
rc
o
n
d
u
c
ti
v
it
y
a
n
d
it
s A
p
p
l
ica
ti
o
n
s
,
v
o
l.
4
8
2
,
p
p
.
8
0
-
86
,
2
0
No
v
e
m
b
e
r
2
0
1
2
.
[1
4
]
S
.
M
.
Ha
sn
a
in
“
Re
v
iew
On
S
u
sta
in
a
b
le
T
h
e
rm
a
l
En
e
rg
y
S
to
ra
g
e
Tec
h
n
o
l
o
g
ies
,
P
a
rt
I:
He
a
t
S
t
o
ra
g
e
M
a
teria
ls
a
n
d
T
e
c
h
n
iq
u
e
s,”
En
e
rg
y
C
o
n
v
e
rs
.
M
g
mtv
o
l
,
v
o
l.
3
9
,
n
o
.
1
1
,
p
p
.
1
1
2
7
-
1
1
3
8
,
1
9
9
8
.
[1
5
]
Ch
risten
se
n
,
e
t
a
l
.
,
“
Ch
e
m
ica
l
En
e
rg
y
S
to
ra
g
e
,”
D
T
U In
tern
a
ti
o
n
a
l
En
e
rg
y
Re
p
o
rt
2
0
1
3
.
[1
6
]
Erez
Wen
g
e
ra
,
e
t
a
l
.
,
“
T
h
e
r
mo
-
e
lec
tro
-
c
h
e
m
i
c
a
l
S
to
ra
g
e
(
T
ECS
)
o
f
S
o
lar
En
e
rg
y
,
”
Ap
p
li
e
d
E
n
e
rg
y
,
v
o
l
1
9
0
,
p
p
.
7
8
8
-
799
,
2
0
1
7
.
[1
7
]
J.
M
c
Do
w
a
ll
,
“
Co
n
v
e
n
ti
o
n
a
l
B
a
tt
e
r
y
T
e
c
h
n
o
l
o
g
ies
-
P
re
se
n
t
a
n
d
F
u
tu
r
e
,
”
Po
we
r
En
g
in
e
e
ri
n
g
S
o
c
iety
S
u
mm
e
r
M
e
e
ti
n
g
,
2
0
0
0
,
IE
EE
.
[1
8
]
Ha
o
ra
n
Zh
a
o
,
e
t
a
l
.
,
“
Re
v
ie
w
o
f
En
e
rg
y
S
to
ra
g
e
S
y
ste
m
f
o
r
W
in
d
P
o
w
e
r
In
teg
ra
ti
o
n
S
u
p
p
o
rt
,
”
A
p
p
li
e
d
En
e
rg
y
,
v
o
l.
1
3
7
,
p
p
.
5
4
5
-
5
5
3
,
1
Ja
n
u
a
ry
2
0
1
5
.
[1
9
]
L
in
g
li
n
g
F
a
n
a
n
d
Zh
ix
in
M
iao
,
“
M
o
d
e
li
n
g
a
n
d
A
n
a
ly
sis
o
f
D
o
u
b
ly
F
e
d
In
d
u
c
ti
o
n
G
e
n
e
ra
to
r
W
in
d
En
e
rg
y
S
y
st
e
m
s”
.
[2
0
]
T
a
re
k
M
e
d
a
lel
M
a
s
a
u
d
a
n
d
P
.
K.
S
e
n
,
“
M
o
d
e
li
n
g
a
n
d
C
o
n
tr
o
l
o
f
Do
u
b
ly
F
e
d
In
d
u
c
ti
o
n
G
e
n
e
ra
to
r
f
o
r
W
in
d
P
o
w
e
r
,”
No
rth
Ame
ric
a
n
Po
we
r S
y
mp
o
siu
m (
NAP
S
)
,
2
0
1
1
.
[2
1
]
Ha
o
X
,
e
t
a
l
.
,
“
A
H
y
b
rid
A
d
a
p
ti
v
e
F
u
z
z
y
Co
n
tro
l
S
trat
e
g
y
f
o
rDFIG
-
b
a
se
d
W
in
d
T
u
rb
in
e
s
w
it
h
S
u
p
e
r
-
c
a
p
a
c
it
o
r
En
e
rg
y
S
to
ra
g
e
to
R
e
a
li
z
e
sh
o
rt
-
term
G
rid
F
re
q
u
e
n
c
y
S
u
p
p
o
rt
,”
IEE
E
in
En
e
rg
y
Co
n
v
e
rsio
n
a
n
d
Ex
p
o
sit
i
o
n
Co
n
g
re
s
s,
M
o
n
trea
l,
Ca
n
a
d
a
,
p
p
.
1
9
1
4
-
8
,
2
0
1
5
.
[2
2
]
L
i
y
a
n
Qu
a
n
d
W
e
i
Qia
o
,
“
C
o
n
st
a
n
t
P
o
w
e
r
Co
n
tro
l
o
f
DFIG
W
in
d
T
u
rb
i
n
e
sW
it
h
S
u
p
e
rc
a
p
a
c
it
o
r
E
n
e
rg
y
S
to
ra
g
e
,
”
IEE
E
T
ra
n
sa
c
t
io
n
s o
n
I
n
d
u
stry
Ap
p
li
c
a
ti
o
n
s,
v
o
l.
4
7
,
n
o
.
1
,
Ja
n
u
a
ry
/F
e
b
ru
a
r
y
2011.
[2
3
]
Ch
a
d
A
b
b
e
y
,
e
t
a
l
.
,
“
S
u
p
e
rc
a
p
a
c
it
o
r
En
e
rg
y
S
to
ra
g
e
f
o
rW
in
d
En
e
rg
y
A
p
p
li
c
a
ti
o
n
s,”
IEE
E
T
ra
n
sa
c
ti
o
n
s
On
In
d
u
stry
Ap
p
li
c
a
ti
o
n
s
,
v
o
l.
4
3
,
n
o
.
3
,
M
a
y
/Ju
n
e
2
0
0
7
.
[2
4
]
Hu
i
L
i,
e
t
a
l.
,
“
Re
a
c
ti
v
e
P
o
w
e
r
C
o
m
p
e
n
sa
ti
o
n
a
n
d
DC
li
n
k
Vo
lt
a
g
e
Co
n
tro
l
u
si
n
g
F
u
z
z
y
-
P
Io
n
G
rid
-
c
o
n
n
e
c
ted
P
V
S
y
st
e
m
w
it
h
d
-
S
T
AT
COM,
”
20
1
6
IEE
E
PE
S
Asia
-
Pa
c
if
ic P
o
we
r
a
n
d
En
e
rg
y
C
o
n
fer
e
n
c
e
-
X
i'
a
n
–
Ch
in
a
.
[2
5
]
M
a
h
e
la
OP
a
n
d
S
h
a
ik
AG
,
“
A
R
e
v
ie
w
o
f
D
istri
b
u
ti
o
n
S
tatic
C
o
m
p
e
n
sa
to
r
,”
Re
n
e
w
S
u
sta
in
E
n
e
rg
y
R
e
v
,
v
o
l.
5
0
,
p
p
.
5
3
1
-
46
,
2
0
1
5
.
[2
6
]
CH.
S
ri
P
ra
k
a
sh
,
e
t
a
l.
,
“
A
N
o
v
e
l
M
u
lt
i
-
F
u
n
c
ti
o
n
a
l
DST
AT
C
OM
w
it
h
Distrib
u
ti
o
n
G
e
n
e
r
a
ti
o
n
u
sin
g
F
R
C
Co
n
tr
o
ll
e
r,
”
In
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
i
n
e
e
rin
g
(
IJ
ECE
)
,
v
o
l.
8
,
n
o.
3
,
Ju
n
e
2
0
1
8
,
p
p
.
1
3
7
3
-
1
3
8
2
.
B
I
O
G
RAP
H
I
E
S
O
F
AUTH
O
RS
K
a
o
u
t
a
r
Ra
b
y
i
w
a
s
b
o
rn
in
M
e
k
n
è
s,
M
o
ro
c
c
o
,
o
n
F
e
b
ru
a
ry
2
6
,
1
9
8
7
.
S
h
e
g
o
t
h
e
r
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
d
e
g
re
e
f
ro
m
Na
ti
o
n
a
l
S
c
h
o
o
l
o
f
A
p
p
li
e
d
S
c
ien
c
e
s
o
f
Ou
jd
a
in
2
0
1
0
.
S
h
e
is
a
P
h
.
d
S
tu
d
e
n
t
in
t
h
e
El
e
c
tri
c
a
l
De
p
a
rtm
e
n
t
in
M
o
h
a
m
m
a
d
ia
S
c
h
o
o
l
o
f
En
g
in
e
e
rs,
M
o
h
a
m
m
a
d
5
Un
iv
e
rsit
y
.
S
h
e
is
a
m
e
m
b
e
r
o
f
p
o
w
e
r
e
lec
tro
n
ic
re
se
a
rc
h
d
e
p
a
rtme
n
t;
h
e
r
re
se
a
rc
h
su
b
jec
t
is
a
b
o
u
t
th
e
in
teg
ra
ti
o
n
o
f
w
in
d
f
a
r
m
s in
to
th
e
e
lec
tri
c
a
l
g
rid
a
n
d
th
e
F
A
CTS
d
e
v
i
ces
H
a
ss
a
n
e
M
a
h
m
o
u
d
i
W
a
s
b
o
rn
i
n
M
e
k
n
e
s,
M
o
r
o
c
c
o
,
o
n
Ja
n
u
a
ry
4
,
1
9
5
9
.
He
re
c
e
iv
e
d
B.
S
d
e
g
re
e
in
e
lec
tri
c
a
l
e
n
g
in
e
e
rin
g
f
ro
m
M
o
h
a
m
m
a
d
ia
S
c
h
o
o
l
o
f
En
g
in
e
e
rs,
Ra
b
a
t,
M
o
r
o
c
c
o
,
in
1
9
8
2
,
a
n
d
th
e
P
h
.
D
d
e
g
re
e
in
p
o
w
e
r
e
lec
tr
o
n
ic
f
ro
m
M
o
n
tef
io
re
In
stit
u
te
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
L
u
ik
,
Be
lg
iu
m
,
in
1
9
9
0
.
He
w
a
s
a
n
a
s
sista
n
t
p
ro
f
e
ss
o
r
o
f
p
h
y
sic
s,
a
t
th
e
F
a
c
u
lt
y
o
f
S
c
ien
c
e
s,
M
e
k
n
e
s,
M
o
r
o
c
c
o
,
f
ro
m
1
9
8
2
to
1
9
9
0
.
S
in
c
e
1
9
9
2
,
h
e
h
a
s
b
e
e
n
a
p
r
o
f
e
ss
o
r
a
t
th
e
M
o
h
a
m
m
a
d
ia
S
c
h
o
o
ls
o
f
En
g
in
e
e
rs,
Ra
b
a
t,
M
o
ro
c
c
o
,
a
n
d
h
e
wa
s
th
e
h
e
a
d
o
f
e
le
c
tri
c
e
n
g
i
n
e
e
rin
g
d
e
p
a
rtm
e
n
t
d
u
rin
g
f
o
u
r
y
e
a
rs
(1
9
9
9
,
2
0
0
0
,
2
0
0
6
a
n
d
2
0
0
7
).
His
re
se
a
rc
h
in
tere
sts
in
c
lu
d
e
sta
ti
c
c
o
n
v
e
rters
,
e
lec
tri
c
a
l
m
o
to
r
d
riv
e
s,
a
c
ti
v
e
p
o
w
e
r
f
il
ters
a
n
d
t
h
e
c
o
m
p
a
ti
b
il
it
y
e
lec
tro
m
a
g
n
e
ti
c
.
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