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[
1
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[
2
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T
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h
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ly
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etwo
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[
2
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,
[
3
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.
Am
o
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th
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is
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n
tag
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win
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s
talla
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llab
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v
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eso
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[
2
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.
Dep
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er
g
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tr
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ican
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licts
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p
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ec
o
u
p
le
s
th
e
r
o
to
r
s
p
ee
d
f
r
o
m
th
e
s
y
s
te
m
f
r
eq
u
e
n
cy
.
I
n
th
i
s
way
,
wh
en
a
d
i
s
tu
r
b
a
n
ce
o
cc
u
r
s
,
th
e
s
e
W
T
s
d
o
n
o
t
o
f
f
er
a
n
in
er
ti
al
r
e
s
p
o
n
s
e
;
t
h
er
ef
o
r
e
,
t
h
e
d
y
n
am
ic
r
e
s
p
o
n
s
e
o
f
th
e
p
o
wer
s
y
s
tem
i
s
l
es
s
d
am
p
ed
t
h
an
th
e
ca
s
e
wh
en
th
e
W
P
i
s
lo
w.
T
h
en
,
if
th
e
W
P
lev
el
co
n
tin
u
e
s
to
in
cr
ea
s
e
,
t
h
e
to
t
al
in
er
ti
a
o
f
th
e
p
o
wer
s
y
s
te
m
r
e
d
u
ce
s
,
an
d
it
i
s
n
ec
e
s
s
ar
y
to
in
cr
e
a
s
e
th
e
g
en
er
at
io
n
r
e
s
er
v
e
in
th
e
e
le
ctr
ic
al
s
y
s
t
em
.
I
n
W
T
s
,
th
i
s
g
en
er
at
io
n
r
es
er
v
e
i
s
o
b
t
ain
ed
b
y
r
ed
u
ci
n
g
th
e
ir
o
u
tp
u
t
p
o
wer
,
th
is
ca
u
s
e
s
th
e
d
i
s
p
at
ch
o
f
co
n
v
en
tio
n
al
p
o
wer
p
lan
t
s
in
o
r
d
er
to
co
v
er
th
e
s
a
m
e
d
e
m
a
n
d
,
le
ad
in
g
to
g
r
e
at
er
p
o
llu
tio
n
an
d
co
n
t
r
ad
ic
tin
g
th
e
p
u
r
p
o
s
e
f
o
r
wh
ich
t
h
ey
wer
e
d
es
ig
n
ed
(
cl
ea
n
en
er
g
y
)
.
On
th
e
o
th
e
r
h
an
d
,
if
th
e
g
en
er
a
tio
n
r
e
s
er
v
e
i
s
n
o
t
in
cr
ea
s
e
d
an
d
a
d
i
s
tu
r
b
a
n
ce
o
cc
u
r
s
,
th
e
s
y
s
tem
p
r
es
en
t
s
a
r
e
d
u
ce
d
in
er
ti
a
v
al
u
e
th
a
t
lead
s
to
g
r
ea
ter
f
r
e
q
u
en
cy
d
ev
ia
t
io
n
s
f
r
o
m
it
s
n
o
m
in
a
l
v
a
lu
e,
wh
i
ch
ca
n
c
au
s
e
t
h
e
d
i
s
c
o
n
n
e
ct
io
n
o
f
th
e
lo
ad
o
r
ev
en
,
in
ex
tr
em
e
c
a
s
e
s
,
th
e
co
ll
ap
s
e
o
f
th
e
ele
ct
r
i
ca
l
s
y
s
t
em
.
B
ased
o
n
th
e
af
o
r
em
e
n
tio
n
ed
in
f
o
r
m
atio
n
,
f
ir
s
t
th
is
p
ap
er
an
aly
s
es
th
e
s
tate
o
f
th
e
ar
t
o
f
co
n
tr
o
l
s
tr
ateg
ies
th
at
allo
w
W
T
s
to
p
ar
ticip
ate
in
th
e
f
r
eq
u
en
cy
co
n
tr
o
l
o
f
t
h
e
p
o
wer
s
y
s
tem
.
T
h
en
,
a
n
o
v
el
co
n
tr
o
l
s
tr
ateg
y
is
p
r
o
p
o
s
ed
,
wh
ich
i
m
p
lem
en
ts
a
v
ir
tu
al
s
y
n
ch
r
o
n
o
u
s
m
ac
h
in
e
c
o
n
tr
o
lled
b
y
an
ad
a
p
tiv
e
c
o
n
tr
o
l
s
ch
em
e
to
en
h
a
n
ce
th
e
tr
a
n
s
i
en
t
r
esp
o
n
s
e
o
f
th
e
W
T
.
T
h
is
co
n
tr
o
l
p
r
o
p
o
s
al
tak
es
ad
v
an
tag
e
o
f
th
e
k
in
etic
en
er
g
y
s
to
r
ed
i
n
th
e
in
er
tia
o
f
th
e
r
o
tatin
g
m
ass
,
th
er
e
b
y
o
b
tain
in
g
th
e
g
e
n
er
atio
n
r
eser
v
e
with
o
u
t
r
e
d
u
cin
g
th
e
o
u
tp
u
t
p
o
wer
o
f
th
e
W
T
.
T
h
is
s
o
lu
tio
n
allo
ws
in
cr
ea
s
in
g
W
P
with
o
u
t
th
e
n
ee
d
to
in
cr
ea
s
e
th
e
g
en
er
atio
n
r
eser
v
e
o
f
co
n
v
en
tio
n
al
g
en
er
atio
n
p
lan
ts
.
T
h
is
alter
n
ativ
e
i
s
id
ea
l
f
o
r
p
o
wer
s
y
s
tem
s
with
h
ig
h
W
P
(
ab
o
v
e
2
0
%),
ch
ar
ac
te
r
ized
b
y
th
eir
s
to
ch
asti
c,
n
o
n
-
lin
ea
r
an
d
tim
e
-
v
ar
y
i
n
g
b
e
h
av
io
r
.
T
h
is
is
d
em
o
n
s
tr
ated
b
y
d
y
n
am
i
c
s
im
u
latio
n
s
in
a
test
s
y
s
tem
.
2.
M
E
T
H
O
D
C
u
r
r
en
t
tech
n
o
lo
g
ical
d
e
v
elo
p
m
en
ts
en
h
an
ce
th
e
co
n
tr
o
l
ca
p
ab
ilit
ies
o
f
W
T
s
,
allo
win
g
w
in
d
f
ar
m
s
to
p
ar
ticip
ate
in
th
e
f
r
e
q
u
en
c
y
co
n
tr
o
l o
f
t
h
e
elec
tr
ical
s
y
s
tem
an
d
co
n
s
eq
u
en
tly
,
to
im
p
r
o
v
e
th
e
p
o
wer
s
y
s
tem
s
ec
u
r
ity
.
T
h
is
lead
s
to
th
e
r
ev
is
io
n
o
f
th
e
c
u
r
r
e
n
t
g
r
id
co
d
es
b
y
s
y
s
tem
o
p
e
r
ato
r
s
.
No
wad
ay
s
,
th
er
e
ar
e
t
h
r
ee
p
r
in
cip
les
to
p
er
f
o
r
m
f
r
e
q
u
en
c
y
co
n
tr
o
l
with
win
d
f
ar
m
s
[
5
]
,
[
6
]
:
d
r
o
o
p
co
n
tr
o
l,
d
am
p
in
g
c
o
n
tr
o
l,
an
d
in
er
tial
co
n
tr
o
l.
I
n
th
e
d
r
o
o
p
co
n
tr
o
l,
th
e
p
o
wer
o
f
th
e
W
T
is
p
r
o
p
o
r
tio
n
al
t
o
th
e
d
ev
iatio
n
o
f
f
r
eq
u
e
n
cy
(
Δf
)
,
as
o
cc
u
r
s
in
co
n
v
en
tio
n
al
g
e
n
er
ato
r
s
.
Gen
er
ally
,
a
d
r
o
o
p
f
ac
to
r
(
R
)
b
etwe
en
0
.
0
3
an
d
0
.
0
5
p
u
is
u
s
ed
.
Fo
r
ex
am
p
le,
if
th
e
v
al
u
e
o
f
R
is
0
.
0
5
,
an
d
th
e
ac
tu
al
f
r
e
q
u
en
c
y
v
a
r
ies
f
r
o
m
1
.
0
p
u
to
0
.
9
5
p
u
,
t
h
e
p
o
wer
o
f
th
e
d
r
o
o
p
co
n
tr
o
l
v
ar
ies f
r
o
m
0
p
u
to
1
.
0
p
u
is
(
1
)
.
=
(
0
−
)
=
∆
[
]
(
1
)
W
h
er
e
0
is
th
e
r
ated
f
r
eq
u
en
cy
(
1
.
0
pu
)
an
d
is
th
e
ac
tu
al
f
r
eq
u
en
cy
in
pu
.
No
te
th
at
is
p
o
s
iti
v
e
wh
en
is
less
th
an
0
.
T
h
e
d
am
p
i
n
g
co
n
tr
o
l
ca
lcu
l
ates
a
p
o
wer
co
m
p
o
n
e
n
t
th
at
h
elp
s
to
atten
u
ate
u
n
w
an
ted
o
s
cillatio
n
s
.
T
h
is
ter
m
is
n
o
t
alwa
y
s
u
s
ed
;
g
en
er
ally
,
it
is
a
p
p
lied
wh
e
n
th
e
s
y
s
tem
p
r
ese
n
ts
an
u
n
d
er
d
a
m
p
ed
r
esp
o
n
s
e
o
r
f
r
e
q
u
en
cy
v
ar
iatio
n
s
ca
u
s
ed
b
y
r
en
ewa
b
le
g
en
e
r
atio
n
.
I
n
o
r
d
er
to
ca
lcu
late
th
e
v
alu
e
o
f
,
a
d
am
p
in
g
co
ef
f
icien
t
is
em
p
lo
y
ed
as
(
2
)
.
=
∆
=
(
0
−
)
[
]
(
2
)
I
n
in
er
tial
co
n
tr
o
l,
th
e
p
o
wer
g
en
er
ated
b
y
th
e
W
T
is
p
r
o
p
o
r
tio
n
al
to
th
e
d
er
iv
ativ
e
o
f
th
e
s
y
s
tem
f
r
eq
u
e
n
cy
.
I
n
th
e
s
tr
ict
s
en
s
e,
th
is
co
m
p
o
n
e
n
t
is
o
b
tain
ed
f
r
o
m
th
e
d
if
f
er
e
n
tial
eq
u
atio
n
th
at
d
escr
ib
es
th
e
d
y
n
am
ic
b
eh
av
io
r
o
f
th
e
W
T
,
g
iv
en
as
(
3
)
.
=
−
[
N.
m
]
(
3
)
W
h
er
e
is
th
e
m
o
m
en
t
o
f
in
er
tia
o
f
th
e
W
T
in
k
g
.
m
2
,
is
th
e
r
o
to
r
s
p
ee
d
in
r
ad
/s
,
an
d
ar
e
th
e
m
ec
h
an
ical
an
d
elec
tr
o
m
ag
n
etic
to
r
q
u
e
r
esp
ec
tiv
ely
in
New
to
n
-
m
eter
(
N.
m
)
.
Usu
ally
,
th
e
p
a
r
am
eter
s
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
6
9
4
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
,
Vo
l.
16
,
No
.
2
,
J
u
n
e
20
25
:
1
3
5
6
-
1367
1358
em
p
lo
y
ed
in
d
y
n
a
m
ic
s
tab
ilit
y
s
tu
d
ies
u
s
e
th
e
in
e
r
tial
co
n
s
t
a
n
t
(
H
)
in
s
tead
o
f
J
,
wh
ic
h
is
d
ef
in
ed
as
th
e
r
atio
b
etwe
en
th
e
k
in
etic
en
er
g
y
s
to
r
ed
in
th
e
r
o
tatin
g
m
ass
an
d
th
e
r
ated
p
o
wer
o
f
th
e
W
T
.
Gen
er
ally
,
in
p
o
wer
s
y
s
tem
s
,
ty
p
ical
v
alu
es o
f
H
v
ar
y
b
etwe
en
2
s
an
d
9
s
(
4
)
.
=
1
2
0
2
[s
]
(
4
)
W
h
er
e
0
is
th
e
r
ated
s
p
ee
d
o
f
th
e
W
T
in
r
ad
/s
,
an
d
is
th
e
r
ated
p
o
wer
in
VA.
T
h
e
q
u
o
tien
t
b
etwe
en
an
d
0
is
th
e
r
o
to
r
s
p
ee
d
in
pu
as in
(
5
)
.
=
0
[
]
(
5
)
C
o
n
s
id
er
in
g
th
at
th
e
p
r
o
d
u
ct
b
etwe
en
th
e
to
r
q
u
e
an
d
th
e
r
o
to
r
s
p
ee
d
is
th
e
r
o
t
o
r
p
o
wer
,
an
d
r
ep
lacin
g
(
4
)
a
n
d
(
5
)
in
(
3
)
,
t
h
e
d
if
f
er
en
tial o
f
th
e
W
T
is
o
b
tain
ed
as (
6
)
.
2
=
[
]
(
6
)
T
h
e
(
6
)
d
escr
ib
es
th
e
i
n
er
tia
p
o
wer
co
m
p
o
n
e
n
t
o
f
a
W
T
,
o
b
tain
e
d
f
r
o
m
th
e
r
o
to
r
s
p
e
ed
a
n
d
th
e
in
er
tia
co
n
s
tan
t.
Ho
wev
er
,
f
u
ll
-
s
ca
le
co
n
v
er
te
r
W
T
s
d
ec
o
u
p
le
t
h
e
in
er
tial
r
esp
o
n
s
e
o
f
th
e
r
o
t
o
r
f
r
o
m
th
e
p
o
wer
s
y
s
tem
.
T
h
is
is
ac
co
m
p
lis
h
ed
b
y
th
e
s
p
ee
d
r
e
g
u
lato
r
o
f
th
e
W
T
,
wh
ich
s
ets
th
e
r
ef
e
r
en
ce
p
o
wer
to
t
h
e
elec
tr
o
n
ic
co
n
v
er
ter
.
B
ased
o
n
th
is
,
it
is
p
o
s
s
ib
le
to
s
et
an
o
th
er
v
alu
e
o
f
th
e
i
n
er
tial
p
o
wer
co
m
p
o
n
e
n
t,
b
y
em
p
lo
y
in
g
th
e
s
y
s
tem
f
r
eq
u
e
n
cy
m
ea
s
u
r
ed
at
th
e
p
o
in
t
o
f
co
m
m
o
n
co
u
p
lin
g
o
f
th
e
W
T
(
f
)
,
an
d
a
v
ir
tu
al
in
er
tia
co
n
s
tan
t (
H
v
)
.
An
al
o
g
o
u
s
ly
to
(
6
)
a
n
ew
in
er
tial
p
o
we
r
co
m
p
o
n
en
t is d
ef
i
n
ed
in
(
7
)
.
2
=
′
[
]
(
7
)
T
h
u
s
,
th
e
g
en
er
al
e
x
p
r
ess
io
n
o
f
th
e
p
o
wer
f
lo
w
o
f
W
T
s
th
at
p
ar
ticip
ate
in
th
e
f
r
eq
u
en
cy
co
n
tr
o
l
ca
n
b
e
o
b
tain
ed
as
(
8
)
.
=
−
2
+
(
0
−
)
+
(
0
−
)
[
]
(
8
)
W
h
er
e
P
OP
is
th
e
o
p
tim
al
p
o
w
er
o
f
th
e
W
T
,
o
b
tain
e
d
f
r
o
m
th
e
tr
ac
k
in
g
c
h
ar
a
cter
is
tic
cu
r
v
e
[
7
]
,
[
8
]
.
Fr
o
m
(
8
)
,
d
if
f
er
en
t
wo
r
k
s
h
a
v
e
b
ee
n
d
e
v
elo
p
ed
.
T
h
e
p
ap
er
s
p
r
esen
ted
in
[
9
]
,
[
1
0
]
p
r
o
p
o
s
e
a
d
r
o
o
p
co
n
tr
o
l
s
y
s
tem
,
wh
ich
is
ac
tiv
ated
i
n
ca
s
e
th
e
f
r
eq
u
e
n
cy
o
f
t
h
e
s
y
s
tem
ex
ce
e
d
s
th
e
d
ea
d
b
a
n
d
o
f
th
e
f
r
eq
u
e
n
cy
r
e
g
u
lato
r
(
FR
)
.
T
h
e
r
es
ea
r
ch
ca
r
r
ied
o
u
t
i
n
[
1
1
]
,
[
1
2
]
s
u
g
g
ests
th
e
u
s
e
o
f
a
d
am
p
i
n
g
c
o
n
tr
o
l
s
ch
em
e,
with
th
e
p
u
r
p
o
s
e
o
f
m
itig
atin
g
o
s
cillatio
n
s
in
th
e
p
o
wer
s
y
s
tem
.
On
th
e
o
th
er
h
an
d
,
th
e
r
ec
e
n
t
p
ap
er
s
p
r
e
s
en
ted
in
[
1
3
]
-
[
1
6
]
p
r
o
p
o
s
e
an
in
er
tial
c
o
n
tr
o
l
s
ch
em
e
with
th
e
p
u
r
p
o
s
e
o
f
atten
u
atin
g
th
e
f
r
eq
u
en
cy
v
ar
iatio
n
at
th
e
b
eg
i
n
n
in
g
o
f
th
e
d
is
tu
r
b
an
ce
.
I
n
o
th
er
wo
r
d
s
,
th
e
W
T
p
r
o
v
id
es th
e
i
n
s
tan
tan
eo
u
s
r
eser
v
e
t
o
th
e
p
o
wer
s
y
s
tem
.
S
o
m
e
r
e
s
e
a
r
c
h
s
u
g
g
e
s
t
s
c
o
m
b
i
n
i
n
g
t
w
o
o
r
m
o
r
e
c
o
n
t
r
o
l
m
e
t
h
o
d
o
l
o
g
i
e
s
d
i
s
c
u
s
s
e
d
a
b
o
v
e
.
A
s
a
n
e
x
a
m
p
l
e
,
th
e
c
o
m
b
i
n
a
t
i
o
n
o
f
c
o
n
t
r
o
l
d
r
o
o
p
,
c
o
n
t
r
o
l
d
a
m
p
i
n
g
,
a
n
d
t
h
e
r
e
d
u
c
t
i
o
n
o
f
t
h
e
o
u
t
p
u
t
p
o
w
e
r
o
f
t
h
e
W
T
.
T
h
i
s
s
c
h
e
m
e
c
o
r
r
e
s
p
o
n
d
s
t
o
t
h
e
p
r
i
m
a
r
y
f
r
e
q
u
e
n
c
y
c
o
n
t
r
o
l
,
w
h
i
c
h
i
s
t
r
e
a
t
e
d
i
n
t
h
e
w
o
r
k
s
[
1
7
]
-
[
1
9
]
.
I
n
s
u
m
m
a
r
y
,
a
s
(
9
)
.
,
=
ℎ
+
(
0
−
)
+
(
0
−
)
[
]
(
9
)
W
h
er
e
ℎ
is
th
e
s
ch
ed
u
led
o
u
tp
u
t
p
o
wer
o
f
th
e
W
T
,
wh
ich
i
s
alwa
y
s
les
s
th
an
P
OP
to
s
et
th
e
r
eq
u
ir
e
d
g
en
er
atio
n
r
eser
v
e.
Fo
r
in
s
tan
ce
,
in
[
1
8
]
th
e
g
e
n
er
atio
n
r
eser
v
e
is
o
b
tain
ed
b
y
ad
j
u
s
tin
g
th
e
p
itch
an
g
le
o
f
th
e
W
T
;
co
n
s
eq
u
en
tly
,
th
e
W
T
o
p
er
ates
at
a
n
o
n
-
o
p
tim
al
o
p
er
ati
n
g
p
o
in
t.
I
n
a
p
o
wer
s
y
s
tem
with
a
h
ig
h
lev
el
o
f
win
d
p
en
etr
atio
n
,
th
e
r
e
d
u
cti
o
n
o
f
win
d
g
e
n
er
atio
n
ca
u
s
es
th
e
d
is
p
atch
o
f
th
er
m
al
p
o
w
er
p
lan
ts
s
in
ce
it
is
n
ec
ess
ar
y
to
co
v
er
th
e
s
am
e
e
n
er
g
y
d
em
an
d
.
T
h
is
co
n
tr
o
l
s
ch
em
e
is
o
p
p
o
s
ed
to
th
e
p
o
s
tu
lates
en
u
n
ciate
d
i
n
th
e
in
tr
o
d
u
ctio
n
;
th
at
is
,
th
e
r
ed
u
ctio
n
o
f
win
d
p
o
wer
p
r
o
d
u
ce
s
g
r
ea
ter
p
o
llu
tio
n
an
d
th
e
d
ep
letio
n
o
f
f
o
s
s
il
f
u
els.
Fo
r
th
is
r
ea
s
o
n
,
th
is
s
ch
em
e
will n
o
t b
e
tr
ea
ted
in
th
e
p
r
esen
t w
o
r
k
.
T
h
e
p
a
p
er
s
p
u
b
lis
h
ed
in
[
2
0
]
-
[
2
3
]
em
p
lo
y
all
th
e
ter
m
s
d
escr
ib
ed
in
eq
u
atio
n
8
;
n
am
e
ly
,
th
e
W
T
b
eh
av
es
lik
e
a
v
ir
tu
al
s
y
n
c
h
r
o
n
o
u
s
g
e
n
er
ato
r
(
VSG)
.
T
h
is
co
n
s
titu
tes
th
e
cu
r
r
en
t
r
esear
c
h
tr
en
d
f
o
r
W
T
s
to
p
ar
ticip
ate
in
th
e
f
r
eq
u
e
n
cy
c
o
n
tr
o
l
o
f
th
e
p
o
wer
s
y
s
tem
.
T
h
e
co
n
ce
p
t
o
f
VSG
is
to
em
u
lat
e
th
e
b
eh
a
v
io
r
o
f
a
s
y
n
ch
r
o
n
o
u
s
m
ac
h
in
e,
o
r
a
p
a
r
ticu
lar
ch
ar
ac
ter
is
tic
o
f
it.
T
h
is
co
n
ce
p
t
is
n
o
t
o
n
ly
lim
ited
to
win
d
g
en
er
atio
n
ap
p
licatio
n
s
,
b
u
t
also
in
o
th
er
r
en
ewa
b
le
g
en
er
atio
n
s
y
s
tem
s
th
at
h
av
e
s
to
r
ed
en
er
g
y
,
o
r
in
ap
p
licatio
n
s
th
at
in
v
o
lv
e
e
n
er
g
y
s
to
r
ag
e
s
y
s
tem
s
(
E
SS
)
.
Un
lik
e
th
e
wo
r
k
s
cit
ed
ab
o
v
e,
wh
ich
o
b
tain
th
e
g
e
n
er
atio
n
r
eser
v
e
b
y
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
I
SS
N:
2088
-
8
6
9
4
A
d
a
p
tive
co
n
tr
o
l sch
eme
o
f v
a
r
ia
b
le
s
p
ee
d
w
in
d
tu
r
b
in
es fo
r
fr
eq
u
en
cy
s
u
p
p
o
r
t
(
Leo
n
a
r
d
o
On
tivero
s
)
1359
r
ed
u
cin
g
t
h
e
o
u
tp
u
t
p
o
wer
o
f
th
e
win
d
tu
r
b
in
e
o
r
b
y
u
s
in
g
E
SS
,
th
is
wo
r
k
p
r
o
p
o
s
es
to
ta
k
e
ad
v
an
ta
g
e
o
f
th
e
en
er
g
y
s
to
r
ed
in
th
e
in
er
tia
o
f
th
e
r
o
tatin
g
m
ass
o
f
t
h
e
W
T
b
y
m
ea
n
s
o
f
a
c
h
an
g
e
in
its
co
n
tr
o
l
s
y
s
tem
.
T
h
is
to
p
ic
is
ad
d
r
ess
ed
in
th
e
n
ex
t c
h
ap
ter
a
n
d
co
n
s
titu
tes th
e
m
ai
n
co
n
tr
ib
u
tio
n
o
f
th
is
wo
r
k
.
3.
A
NO
VE
L
CO
N
T
RO
L
SYS
T
E
M
F
O
R
T
H
E
WI
ND
T
U
RB
I
N
E
Acc
o
r
d
in
g
t
o
th
e
p
r
ev
io
u
s
s
ec
tio
n
,
in
th
is
wo
r
k
,
th
e
VSG
c
o
n
ce
p
t
is
p
r
o
p
o
s
ed
f
o
r
th
e
W
T
.
I
n
o
r
d
er
to
ac
h
iev
e
th
at
g
o
al,
th
e
FR
h
as
to
in
co
r
p
o
r
ate
th
e
th
r
ee
c
o
n
tr
o
l
lo
o
p
s
d
ef
in
ed
in
s
ec
tio
n
2
:
d
r
o
o
p
co
n
tr
o
l,
d
am
p
in
g
co
n
tr
o
l
,
an
d
in
e
r
tia
c
o
n
tr
o
l
.
Ad
d
itio
n
ally
,
d
u
r
in
g
n
o
r
m
al
o
p
er
atio
n
,
th
e
W
T
m
u
s
t
o
p
er
ate
at
th
e
p
o
in
t
o
f
m
a
x
im
u
m
ef
f
icien
cy
.
Fo
r
t
h
is
r
ea
s
o
n
,
t
h
e
o
u
tp
u
t
p
o
wer
o
f
th
e
W
T
is
n
o
t
r
e
d
u
ce
d
,
s
o
t
h
e
g
en
er
ati
o
n
r
eser
v
e
is
o
b
tain
ed
f
r
o
m
th
e
e
n
er
g
y
s
to
r
ed
in
t
h
e
r
o
tatin
g
m
ass
o
f
th
e
r
o
to
r
.
Un
d
er
th
ese
p
r
em
is
es,
th
e
p
er
f
o
r
m
an
ce
o
f
th
e
W
T
f
o
r
f
r
e
q
u
en
cy
r
e
g
u
latio
n
v
a
r
ies
ac
co
r
d
in
g
to
th
e
o
u
tp
u
t
p
o
wer
,
th
e
s
to
r
ed
en
e
r
g
y
,
an
d
th
e
p
ar
am
eter
s
o
f
th
e
FR
.
T
h
is
m
ea
n
s
th
at
a
s
et
o
f
s
p
ec
if
ic
v
alu
es
o
f
t
h
e
FR
at
h
ig
h
win
d
s
p
ee
d
s
m
ay
n
o
t
b
e
o
p
tim
al
f
o
r
lo
w
win
d
s
p
ee
d
s
an
d
v
ice
v
er
s
a.
T
h
is
is
d
u
e
to
th
e
n
o
n
-
lin
ea
r
ity
b
etwe
en
th
e
r
o
to
r
s
p
ee
d
,
th
e
p
o
wer
g
e
n
er
ated
b
y
t
h
e
W
T
,
an
d
th
e
en
e
r
g
y
s
to
r
e
d
in
th
e
r
o
to
r
.
T
h
is
p
r
o
b
lem
h
as
n
o
t
b
ee
n
a
d
d
r
e
s
s
ed
in
th
e
liter
atu
r
e
,
an
d
it
is
p
r
o
p
o
s
ed
to
b
e
r
eso
lv
ed
,
b
ein
g
th
e
m
ai
n
co
n
tr
ib
u
tio
n
o
f
th
is
wo
r
k
.
I
n
th
is
w
o
r
k
,
an
ad
a
p
tiv
e
c
o
n
t
r
o
l
s
tr
ateg
y
is
p
r
o
p
o
s
ed
as
a
s
o
lu
tio
n
t
o
th
e
p
r
o
b
lem
o
f
n
o
n
l
in
ea
r
ity
o
f
th
e
W
T
.
T
h
e
ad
ap
tatio
n
is
th
e
m
ec
h
an
is
m
b
y
wh
ich
th
e
c
o
n
tr
o
ller
is
ab
le
to
ch
an
g
e
its
p
ar
am
eter
s
to
r
esp
o
n
d
to
a
ch
an
g
e
in
th
e
o
p
er
atin
g
c
o
n
d
itio
n
s
o
f
th
e
W
T
(
r
o
to
r
s
p
ee
d
)
.
Acc
o
r
d
in
g
t
o
Fig
u
r
e
1
,
t
h
e
co
n
tr
o
l
s
y
s
tem
d
ev
elo
p
e
d
h
as
t
h
e
ty
p
ical
tr
ac
k
in
g
c
h
ar
ac
ter
is
tic
cu
r
v
e
a
n
d
th
e
ad
ap
tiv
e
g
ain
s
ch
ed
u
lin
g
co
n
tr
o
l
s
y
s
tem
(
AGSC
S).
T
h
e
AGSC
S
i
s
co
m
p
o
s
ed
o
f
th
e
FR
an
d
a
f
u
z
z
y
in
f
er
e
n
ce
s
y
s
tem
(
FIS)
,
w
h
ich
ca
lcu
lates
th
e
p
ar
am
eter
s
o
f
t
h
e
FR
.
I
n
th
e
c
ase
th
er
e
ar
e
n
o
f
r
eq
u
en
cy
d
is
tu
r
b
an
ce
s
,
th
e
FR
is
d
ea
ctiv
ated
,
an
d
th
e
v
alu
e
o
f
P
FC
is
ze
r
o
.
T
h
er
ef
o
r
e
,
t
h
e
p
o
wer
r
ef
er
e
n
ce
o
f
th
e
W
T
(
P
WT
,
r
ef
)
is
eq
u
al
t
o
th
e
p
o
wer
o
p
tim
al
p
o
in
t
(
P
OP
)
o
f
th
e
tr
ac
k
in
g
c
h
ar
ac
ter
is
tic
cu
r
v
e.
I
n
t
h
is
way
,
th
e
W
T
p
r
esen
ts
th
e
ty
p
ical
d
y
n
am
ic
b
eh
av
io
r
.
Du
e
th
e
co
n
tr
o
ller
u
s
es
th
e
k
in
etic
en
er
g
y
s
to
r
ed
in
th
e
r
o
to
r
;
it
is
co
n
v
en
ien
t
to
esti
m
ate
th
e
en
er
g
y
s
to
r
ed
as
a
f
u
n
ctio
n
o
f
th
e
W
T
r
o
to
r
s
p
ee
d
.
T
h
is
is
d
is
cu
s
s
ed
in
th
e
n
e
x
t
s
ec
tio
n
.
Fig
u
r
e
1
.
Mo
d
el
o
f
th
e
win
d
t
u
r
b
in
e
with
th
e
AGSC
S
3
.
1
.
E
nerg
y
s
t
o
r
a
g
e
c
a
pa
cit
y
o
f
t
he
wind
t
urbin
e
T
h
e
u
s
e
o
f
th
e
W
T
as
an
E
SS
to
p
r
o
v
id
e
p
o
wer
d
u
r
i
n
g
f
r
eq
u
en
cy
r
eg
u
latio
n
r
eq
u
ir
es
th
e
esti
m
atio
n
o
f
its
s
to
r
ag
e
ca
p
ac
ity
.
T
h
is
is
ca
r
r
ie
d
o
u
t
b
y
m
ea
n
s
o
f
d
y
n
a
m
ic
s
im
u
latio
n
s
th
at
allo
w
es
t
im
atin
g
th
e
en
er
g
y
s
to
r
ed
in
th
e
in
e
r
tia
o
f
th
e
r
o
t
o
r
.
T
h
e
p
r
in
cip
le
o
f
en
er
g
y
s
to
r
ag
e
is
ca
r
r
ied
o
u
t
in
t
h
e
f
o
llo
win
g
way
:
wh
en
it
is
n
ec
ess
ar
y
to
in
cr
ea
s
e
th
e
w
in
d
p
o
wer
in
jecte
d
in
t
o
th
e
n
e
two
r
k
,
th
e
p
r
o
ce
s
s
is
ca
r
r
ied
o
u
t
b
y
d
ec
ele
r
atin
g
th
e
r
o
to
r
,
wh
ich
p
r
o
d
u
ce
s
a
d
e
cr
ea
s
e
in
th
e
k
in
etic
en
e
r
g
y
o
f
th
e
r
o
tatin
g
m
ass
o
f
th
e
W
T
.
On
th
e
o
t
h
er
h
an
d
,
wh
en
it
is
n
ec
ess
ar
y
to
d
ec
r
ea
s
e
th
e
p
o
we
r
,
th
e
p
r
o
ce
s
s
is
ca
r
r
ied
o
u
t
b
y
ac
ce
le
r
atin
g
t
h
e
r
o
to
r
,
p
r
o
d
u
cin
g
a
n
in
cr
ea
s
e
in
th
e
k
in
etic
en
e
r
g
y
s
to
r
ed
in
th
e
r
o
tatin
g
m
ass
o
f
t
h
e
W
T
.
Nam
ely
,
d
u
r
in
g
f
r
eq
u
en
cy
r
eg
u
latio
n
,
th
e
o
p
er
atin
g
p
r
in
ci
p
le
o
f
th
e
v
a
r
iab
le
s
p
ee
d
W
T
is
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im
ilar
t
o
a
f
ly
w
h
ee
l
E
SS
[
2
]
.
T
h
e
e
n
er
g
y
s
to
r
ed
in
th
e
r
o
tatin
g
m
ass
o
f
th
e
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ir
ec
tly
p
r
o
p
o
r
tio
n
al
to
th
e
m
o
m
en
t
o
f
in
er
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o
f
th
e
tu
r
b
in
e
-
g
e
n
er
ato
r
s
et
J
WT
(J
T
+
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an
d
th
e
s
q
u
a
r
e
o
f
th
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r
o
tatio
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s
p
ee
d
ω
r
.
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h
e
r
ef
o
r
e,
th
e
v
ar
iatio
n
s
o
f
th
e
r
o
to
r
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p
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p
r
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ce
in
c
r
ea
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r
d
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r
ea
s
es
in
th
e
k
in
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en
e
r
g
y
o
f
r
o
tatio
n
.
T
h
is
ca
n
b
e
ca
lcu
lated
as
(
1
0
)
.
∆
=
1
2
∆
2
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[J
]
(
1
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W
h
e
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e
,
∆
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h
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n
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n
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ta
n
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I
n
th
is
s
e
n
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t
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s
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T
h
e
m
ax
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m
p
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r
p
o
in
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
0
8
8
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6
9
4
I
n
t J Po
w
E
lec
&
Dr
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s
t
,
Vo
l.
16
,
No
.
2
,
J
u
n
e
20
25
:
1
3
5
6
-
1367
1360
tr
a
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k
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MPP
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a
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m
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e
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d
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n
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im
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th
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(
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d
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as
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d
t
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as
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t
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e
m
i
n
i
m
u
m
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d
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a
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d
o
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e
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ti
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n
o
f
t
h
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e
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e
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m
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[
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1
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T
h
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r
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lts
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tain
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th
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o
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at
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ar
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im
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at
th
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ctiv
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e
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5
co
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r
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m
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cr
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ases
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tim
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av
ailab
le
to
s
u
p
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ly
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v
e
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s
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t
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o
s
s
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to
f
in
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an
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f
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th
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p
h
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o
m
en
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y
m
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s
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n
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d
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o
f
th
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eq
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th
at
d
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th
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s
tatic
b
eh
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f
th
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th
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en
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th
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f
a
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mec
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=
1
2
3
(
,
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[
W
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(
1
2
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h
e
r
e
ρ
is
th
e
ai
r
d
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n
s
it
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2
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A
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t
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r
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r
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a
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m
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),
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t
h
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n
d
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d
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m
/
s
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,
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e
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s
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ati
o
,
β
is
th
e
p
it
c
h
a
n
g
l
e,
an
d
C
p
(
λ,
β
)
is
t
h
e
p
o
w
er
c
o
ef
f
ic
ie
n
t
o
f
t
h
e
W
T
,
w
h
i
ch
d
e
s
cr
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h
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t
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w
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t
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d
b
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m
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ch
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an
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d
as
(
1
3
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.
=
(
1
3
)
W
h
er
e
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th
e
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s
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er
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g
th
at
th
e
W
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er
a
tes
n
ea
r
th
e
MPPT,
t
h
e
v
alu
e
s
o
f
λ
a
n
d
C
p
r
em
ain
co
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s
tan
t [
2
5
]
.
R
ep
lacin
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(
13
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in
(
12
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,
o
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tain
ed
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4
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d
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5
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=
1
2
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)
3
[
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1
4
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3
[
W
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(
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5
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e
k
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t.
T
h
e
tim
e
o
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g
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g
o
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t
h
e
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T
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n
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e
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n
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p
lo
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(
11
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d
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15
)
.
=
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2
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[
s
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6
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h
e
(
16
)
d
en
o
tes
th
at
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o
r
h
ig
h
v
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n
s
in
r
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I
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ize
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r
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les
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r
d
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to
Fig
u
r
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2
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b
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ip
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(
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Fig
u
r
e
2
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C
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r
b
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(
a)
FR
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d
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b
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FIS
I
n
th
e
in
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ce
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g
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e,
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e
f
u
zz
y
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y
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r
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eter
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r
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ee
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is
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o
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ted
R
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u
m
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m
=
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k
Dm
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0
0
.
F
o
r
h
ig
h
r
o
to
r
s
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ee
d
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
6
9
4
I
n
t J Po
w
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lec
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Dr
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,
Vo
l.
16
,
No
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2
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J
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1367
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T
h
e
v
alu
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o
f
R
an
d
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v
h
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e
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ee
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d
o
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ted
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r
d
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g
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th
e
ty
p
ical
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ar
am
eter
s
o
f
s
y
n
c
h
r
o
n
o
u
s
m
ac
h
in
es.
On
th
e
o
th
e
r
h
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d
,
th
e
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alu
e
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k
D
h
as
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ee
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th
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ic
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s
in
g
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ial
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d
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r
m
eth
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n
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s
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d
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zz
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icatio
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e
p
ar
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eter
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o
f
th
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ar
e
o
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tain
ed
,
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o
n
s
id
er
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g
th
at
f
o
r
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y
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alu
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ω
r
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s
u
m
o
f
th
e
f
u
zz
y
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ar
iab
les is
eq
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al
to
1
.
0
p
u
.
4.
T
E
ST
SY
ST
E
M
T
h
e
2
3
0
k
V
test
s
y
s
tem
is
s
h
o
wn
in
Fig
u
r
e
3
.
T
h
is
m
o
d
el
i
s
b
ased
o
n
th
e
I
E
E
E
9
-
b
u
s
m
o
d
if
ied
test
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y
s
tem
wh
ich
co
n
s
is
ts
o
f
2
s
y
n
ch
r
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n
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s
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ac
h
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es
with
I
E
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E
ty
p
e
-
1
e
x
citer
s
.
At
b
u
s
2
,
it
is
co
n
n
ec
ted
a
6
0
0
MW
s
team
tu
r
b
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e,
at
B
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s
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it
is
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n
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ted
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y
d
r
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lic
p
o
wer
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t,
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ile
at
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s
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it
is
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n
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ted
a
2
7
0
MW win
d
f
a
r
m
.
I
n
to
tal,
t
h
er
e
ar
e
9
b
u
s
es,
6
tr
a
n
s
m
is
s
io
n
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es,
3
tr
an
s
f
o
r
m
er
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d
3
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o
n
s
tan
t P
-
Q
lo
ad
s
.
T
h
e
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d
f
ar
m
co
n
s
is
ts
o
f
1
3
5
v
ar
iab
le
s
p
ee
d
W
T
s
(
ty
p
e
4
)
,
th
e
m
ax
im
u
m
p
o
wer
o
f
ea
c
h
W
T
is
2
MW
if
th
e
win
d
s
p
ee
d
is
1
3
m
/s
.
T
h
e
cu
t
-
in
win
d
s
p
ee
d
is
5
m
/s
,
an
d
th
e
cu
t
-
o
u
t
win
d
s
p
ee
d
is
2
5
m
/s
.
T
h
e
r
o
to
r
s
p
ee
d
v
ar
ies
b
etwe
en
0
.
7
5
r
ad
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an
d
1
.
5
r
ad
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;
if
th
e
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ase
r
o
to
r
s
p
ee
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is
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.
5
r
ad
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,
th
en
th
e
r
o
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r
s
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ee
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v
ar
ies
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etwe
en
0
.
5
an
d
1
.
0
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u
.
Fo
r
r
o
to
r
s
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ee
d
s
less
th
an
0
.
5
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u
,
th
e
W
T
is
d
is
co
n
n
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ted
.
T
h
e
m
o
d
els
o
f
th
e
T
y
p
e
4
W
T
an
d
th
e
win
d
s
p
ee
d
wer
e
d
ev
el
o
p
ed
i
n
[
2
5
]
-
[
2
7
]
.
Fig
u
r
e
3
.
T
est
s
y
s
tem
5.
SI
M
UL
A
T
I
O
N
R
E
S
UL
T
S
T
h
e
s
im
u
latio
n
s
wer
e
ca
r
r
ied
o
u
t
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n
s
id
er
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g
3
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d
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n
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iti
o
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s
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ch
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d
if
f
e
r
en
t
win
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s
p
ee
d
:
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w
win
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s
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ee
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(
6
m
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)
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m
ed
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m
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s
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ee
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9
m
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a
n
d
h
ig
h
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s
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ee
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(
1
1
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/s
)
.
T
ab
le
2
s
u
m
m
ar
izes
th
e
d
is
p
atch
es
o
f
th
e
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y
s
tem
;
th
e
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alu
es
r
ep
o
r
ted
in
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ad
s
ar
e
ap
p
r
o
x
im
ate
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d
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clu
d
e
lo
s
s
es
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lin
es
an
d
tr
an
s
f
o
r
m
er
s
.
R
eg
ar
d
in
g
th
e
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o
wer
f
ac
t
o
r
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v
al
u
e
o
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0
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9
7
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o
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ted
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la
g
g
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n
g
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I
n
all
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s
es,
th
e
tu
r
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e
s
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ee
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is
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o
d
if
ied
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y
a
d
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s
tin
g
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e
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p
o
wer
P
FC
,
Fi
g
u
r
e
s
1
an
d
2
(
a
)
.
5
.
1
.
Ca
s
e
A:
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o
w
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peed
I
n
t
h
i
s
c
a
s
e
,
t
h
e
w
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n
d
s
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d
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s
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t
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t
a
n
t
a
t
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s
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h
e
w
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n
d
f
a
r
m
p
r
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d
u
c
e
s
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.
0
1
M
W
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n
d
t
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t
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m
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l
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t
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o
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d
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e
m
a
s
s
h
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w
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i
n
F
i
g
u
r
e
4
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a
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.
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o
r
d
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Fig
u
r
e
4
(
a)
,
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h
e
win
d
f
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m
en
h
a
n
ce
s
th
e
tr
an
s
ien
t
r
esp
o
n
s
e
o
f
th
e
p
o
we
r
s
y
s
tem
if
th
e
AGSC
S
is
ac
tiv
ated
.
Acc
o
r
d
in
g
to
t
h
e
in
itial
v
al
u
e
o
f
,
th
e
p
ar
am
eter
s
o
f
th
e
FR
ar
e:
H
v
=
2
,
k
D
=
0
an
d
R
=
0
.
0
5
(
ca
s
e
2
)
.
I
n
th
is
ca
s
e,
t
h
e
m
in
im
u
m
f
r
eq
u
e
n
cy
is
5
9
.
6
2
Hz.
I
f
th
e
AGSC
S
is
d
ea
ct
iv
ated
(
ca
s
e
1
)
,
th
e
m
in
im
u
m
f
r
eq
u
en
cy
is
5
9
.
2
8
Hz.
I
f
th
e
FIS
is
d
ea
ctiv
ated
,
a
n
d
th
e
FR
is
ac
tiv
ated
with
H
v
=
9
,
R
=
0
.
0
3
,
k
D
=
0
(
ca
s
e
3
)
,
t
h
e
m
in
im
u
m
f
r
e
q
u
e
n
cy
is
5
8
.
3
3
Hz.
Fig
u
r
e
4
(
b
)
s
h
o
ws
th
e
r
o
to
r
s
p
ee
d
o
f
th
e
win
d
f
ar
m
,
it
k
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p
s
s
tead
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0
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5
5
7
3
pu
if
th
e
AGSC
S
i
s
d
ea
ctiv
ated
(
ca
s
e
1
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.
W
h
en
t
h
e
AGSC
S
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ac
t
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ated
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ca
s
e
2
)
,
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r
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r
s
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ee
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r
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0
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5
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1
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th
en
r
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r
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0
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.
T
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Fig
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c
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.
I
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,
an
d
th
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ac
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ated
with
H
v
=
9
,
R
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s
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ated
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Fig
u
r
e
s
4
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d
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a
n
d
4
(
e
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.
C
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ar
in
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e
2
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ar
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h
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at
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ed
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ctiv
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d
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d
th
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it
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at
th
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Steam
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e
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ated
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y
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r
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th
e
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est o
p
tio
n
(
AGSC
S a
ctiv
ated
)
.
T
ab
le
2
.
Dis
p
atch
es o
f
t
h
e
test
s
y
s
tem
W
i
n
d
s
p
e
e
d
[
m/
s]
W
i
n
d
f
a
r
m
[
M
W
]
S
t
e
a
m
t
u
r
b
i
n
e
[
M
W
]
H
y
d
r
o
p
o
w
e
r
[
M
W
]
Lo
a
d
1
[
M
W
]
Lo
a
d
2
[
M
W
]
Lo
a
d
3
[
M
W
]
To
t
a
l
l
o
a
d
[
M
W
]
WP
[
%]
6
3
2
.
0
5
1
6
.
7
1
7
9
.
5
2
5
0
2
1
5
2
6
3
.
2
7
2
8
.
2
4
.
3
9
9
1
0
9
.
7
5
1
6
.
2
1
7
9
.
5
2
5
0
3
0
0
2
5
5
.
3
8
0
5
.
3
1
3
.
6
11
2
0
8
.
8
5
1
5
1
7
9
.
4
2
5
0
3
0
0
3
5
3
.
2
9
0
3
.
2
2
3
.
1
(
a)
(
b
)
(
c)
(
d
)
(
e)
Fig
u
r
e
4
.
Dy
n
am
ic
r
esp
o
n
s
e
o
f
th
e
test
s
y
s
tem
f
o
r
lo
w
W
P: (
a)
f
r
eq
u
en
cy
,
(
b
)
r
o
t
o
r
s
p
ee
d
o
f
th
e
W
T
s
,
(
c
)
w
i
n
d
f
a
r
m
p
o
w
e
r
o
u
t
p
u
t
,
(
d
)
s
t
e
a
m
t
u
r
b
i
n
e
p
o
we
r
o
u
t
p
u
t
,
an
d
(
e
)
h
y
d
r
a
u
l
i
c
p
o
w
e
r
p
l
a
n
t
p
o
w
e
r
o
u
t
p
u
t
.
(1
⚫
)
A
G
SC
S
d
ea
c
t
i
v
at
e
d
,
(2
)
A
GS
C
S
a
c
ti
v
a
t
e
d
,
(3
◼
)
F
I
S
d
e
a
ct
iv
a
t
e
d
,
a
n
d
F
R
a
c
t
i
v
at
e
d
(
H
v
=
9
,
R
=
0
.
0
3
,
k
D
=
0)
5
.
2
.
Ca
s
e
B
:
m
edium
wind
s
peed
I
n
th
is
ca
s
e,
th
e
win
d
s
p
ee
d
is
9
m
/s
,
an
d
th
e
win
d
f
ar
m
g
en
er
ates
1
0
9
.
6
8
MW,
th
e
r
eb
y
th
e
W
P
is
1
3
.
6
2
%.
Similar
to
th
e
p
r
ev
i
o
u
s
ex
am
p
le,
th
e
tu
r
b
u
le
n
ce
o
f
th
e
win
d
h
as
n
o
t
b
ee
n
co
n
s
id
er
ed
in
o
r
d
er
to
h
ig
h
lig
h
t
th
e
i
n
er
tial
r
esp
o
n
s
e
o
f
th
e
win
d
f
ar
m
;
th
er
e
f
o
r
e,
th
e
p
ar
am
eter
k
D
is
s
et
to
ze
r
o
.
At
tim
e
t
=
40
s
,
L
o
ad
1
in
cr
ea
s
es
f
r
o
m
2
5
0
MW
to
3
1
0
MW,
wh
ich
p
r
o
d
u
ce
s
a
d
ec
r
ea
s
e
in
th
e
f
r
eq
u
en
cy
d
u
e
to
th
e
im
b
alan
ce
b
etwe
en
g
en
er
atio
n
an
d
d
e
m
an
d
s
h
o
wn
in
Fig
u
r
e
5
(
a)
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
6
9
4
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
,
Vo
l.
16
,
No
.
2
,
J
u
n
e
20
25
:
1
3
5
6
-
1367
1364
Fig
u
r
e
5
(
a
)
s
h
o
ws
t
h
a
t
th
e
A
GSC
S
e
n
h
a
n
c
es
th
e
tr
a
n
s
ie
n
t
r
es
p
o
n
s
e
o
f
th
e
test
s
y
s
te
m
.
Fo
r
ca
s
e
1
(
AGSC
S
d
ea
c
ti
v
at
e
d
)
,
t
h
e
m
i
n
i
m
u
m
f
r
e
q
u
e
n
c
y
is
5
9
.
3
Hz
an
d
t
h
e
r
o
to
r
s
p
e
e
d
r
em
ai
n
s
c
o
n
s
ta
n
t
at
0
.
8
1
3
4
pu
Fig
u
r
e
5
(
b
)
.
F
o
r
c
ase
2
,
th
e
A
GSC
S
s
ets
t
h
e
p
a
r
am
ete
r
s
o
f
t
h
e
FR
a
t
H
v
=
9
,
R
=
0
.
0
3
,
k
D
=
0
;
th
is
le
a
d
s
to
a
m
i
n
im
u
m
f
r
e
q
u
e
n
c
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o
f
5
9
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7
1
Hz
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n
d
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at
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7
5
3
9
pu
.
I
f
t
h
e
FIS
is
d
ea
c
ti
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at
e
d
,
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n
d
t
h
e
FR
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a
cti
v
ate
d
wit
h
H
v
=
2
,
R
=
0
.
5
k
D
=
0
(
c
ase
3
)
;
t
h
e
m
i
n
i
m
u
m
f
r
e
q
u
en
c
y
is
5
9
.
6
2
Hz
an
d
t
h
e
l
o
wes
t
ω
r
is
0
.
7
7
2
9
pu
.
T
h
is
s
h
o
ws
th
a
t
f
o
r
h
ig
h
er
v
a
lu
es
o
f
t
h
e
p
ar
am
ete
r
s
H
v
a
n
d
R
,
a
g
r
ea
t
er
u
s
e
o
f
th
e
e
n
e
r
g
y
s
t
o
r
ed
in
th
e
r
o
tat
in
g
m
ass
es
o
f
W
T
s
is
m
a
d
e
,
as
s
h
o
w
n
i
n
Fi
g
u
r
es
5
(
b
)
a
n
d
5
(
c)
,
an
d
a
b
ett
e
r
t
r
a
n
s
i
en
t
r
es
p
o
n
s
e
o
f
t
h
e
tes
t
s
y
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te
m
is
o
b
t
ai
n
e
d
.
T
h
is
s
i
m
u
la
ti
o
n
a
n
d
th
e
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r
e
v
i
o
u
s
o
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e
d
e
m
o
n
s
t
r
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te
t
h
a
t
t
h
e
F
I
S c
h
o
o
s
es
th
e
b
es
t
p
a
r
am
ete
r
s
f
o
r
t
h
e
FR
.
(
a)
(
b
)
(
c)
Fig
u
r
e
5
.
Dy
n
am
ic
r
esp
o
n
s
e
o
f
th
e
test
s
y
s
tem
f
o
r
m
ed
i
u
m
W
P: (
a)
f
r
eq
u
en
c
y
;
(
b
)
r
o
to
r
s
p
ee
d
o
f
th
e
W
T
s
;
an
d
(
c)
win
d
f
ar
m
p
o
we
r
o
u
t
p
u
t
,
(1
⚫
)
AGSC
S d
ea
ctiv
ated
,
(2
)
AGSC
S
ac
tiv
ated
,
(3
◼
)
FIS
d
ea
ctiv
ated
,
an
d
FR
ac
tiv
ated
(
H
v
=
2
,
R
=
0
.
0
5
,
k
D
=
0)
5
.
3
.
Ca
s
e
C:
h
ig
h wind sp
ee
d
I
n
th
is
s
im
u
latio
n
,
th
e
av
er
ag
e
win
d
s
p
ee
d
is
1
1
m
/s
,
th
e
win
d
f
ar
m
p
r
o
d
u
ce
s
2
0
8
.
8
M
W
,
an
d
th
e
W
P
is
2
3
.
1
1
%.
T
h
e
tu
r
b
u
le
n
t
co
m
p
o
n
en
t
o
f
t
h
e
win
d
s
p
ee
d
h
as
b
ee
n
s
im
u
lated
,
an
d
th
e
win
d
s
p
ee
d
eq
u
iv
alen
t
m
o
d
el
f
o
r
t
h
e
win
d
f
ar
m
co
n
s
id
er
s
th
e
ag
g
r
e
g
atio
n
p
h
en
o
m
en
a
.
T
h
ese
m
o
d
el
s
ar
e
o
b
tain
ed
f
r
o
m
[
2
6
]
,
[
2
7
]
,
an
d
th
e
r
esu
lts
ar
e
s
h
o
wn
in
Fig
u
r
e
6
(
a
)
(
s
ee
Ap
p
e
n
d
ix
)
.
F
i
g
u
r
e
s
6
(
a
)
-
6
(
c
)
s
h
o
w
c
as
e
1
(
A
G
SC
S
d
e
a
ct
i
v
a
t
e
d
)
,
c
as
e
2
(
A
G
S
C
S
a
c
ti
v
a
t
e
d
)
,
a
n
d
ca
s
e
3
(
F
I
S
d
e
a
c
t
i
v
a
t
e
d
a
n
d
FR
a
c
ti
v
a
t
e
d
w
i
t
h
H
v
=
2
,
R
=
0
.
0
5
,
k
D
=
1
0
0
)
.
C
l
e
a
r
l
y
,
t
h
e
A
GSC
S
e
n
h
a
n
c
e
s
t
h
e
t
r
a
n
s
i
e
n
t
r
e
s
p
o
n
s
e
o
f
t
h
e
t
es
t
s
y
s
t
e
m
,
w
h
i
c
h
s
e
ts
t
h
e
p
a
r
a
m
et
e
r
s
o
f
t
h
e
FR
a
t
H
v
=
9
,
R
=
0
.
0
3
,
a
n
d
k
D
=
2
0
0
.
I
n
p
a
r
t
i
c
u
l
a
r
,
t
h
e
i
n
c
r
e
a
s
e
o
f
t
h
e
k
D
p
a
r
a
m
e
t
er
a
l
l
o
w
s
t
h
e
r
e
d
u
c
ti
o
n
o
f
t
h
e
f
r
e
q
u
e
n
c
y
e
x
c
u
r
s
i
o
n
(
F
i
g
u
r
e
6
(
b
)
)
,
a
t
t
h
e
e
x
p
e
n
s
e
o
f
a
m
a
j
o
r
u
t
i
l
iz
a
t
i
o
n
o
f
t
h
e
e
n
e
r
g
y
s
t
o
r
e
d
i
n
t
h
e
i
n
e
r
t
i
a
o
f
W
T
s
'
r
o
t
a
t
i
o
n
a
l
m
as
s
e
s
,
s
h
o
w
n
i
n
Fi
g
u
r
e
6
(
c
)
.
T
h
e
ac
tiv
e
p
o
wer
g
en
e
r
ated
i
n
th
e
test
s
y
s
tem
is
s
h
o
wn
in
Fig
u
r
es
6
(
d
)
-
6
(
f
)
.
C
lear
ly
,
it
i
s
o
b
s
er
v
ed
th
at
th
e
AGSC
S
s
m
o
o
th
s
th
e
p
o
wer
g
e
n
er
ated
b
y
th
e
win
d
f
ar
m
(
Fig
u
r
e
6
(
d
)
)
an
d
r
ed
u
ce
s
th
e
m
ec
h
an
ical
s
tr
ess
o
f
co
n
v
en
tio
n
al
g
en
e
r
ato
r
s
,
as
s
h
o
wn
in
Fig
u
r
es
6
(
e)
an
d
6
(
f
)
.
Acc
o
r
d
in
g
to
Fig
u
r
e
6
,
th
e
b
est
tr
a
n
s
ien
t
r
esp
o
n
s
e
is
o
b
tain
ed
wh
e
n
th
e
AGSC
S is
ac
tiv
ated
.
6.
CO
NCLU
SI
O
N
T
h
is
wo
r
k
p
r
esen
ts
a
n
o
v
el
f
r
eq
u
en
cy
r
eg
u
lato
r
f
o
r
win
d
tu
r
b
in
es
to
im
p
r
o
v
e
th
e
tr
a
n
s
ien
t
r
esp
o
n
s
e
o
f
p
o
wer
s
y
s
tem
s
with
a
h
ig
h
lev
el
o
f
win
d
p
e
n
etr
atio
n
.
Simu
latio
n
s
s
h
o
w
th
at
th
e
win
d
f
ar
m
b
e
h
av
io
r
d
ep
en
d
s
o
n
th
e
o
p
e
r
atio
n
p
o
in
t,
wh
ich
in
t
u
r
n
v
ar
ies
d
ep
e
n
d
in
g
o
n
th
e
win
d
s
p
ee
d
.
B
ec
au
s
e
it
is
a
n
o
n
-
lin
ea
r
an
d
tim
e
-
v
a
r
ian
t sy
s
tem
,
an
A
GSC
S b
ased
o
n
a
FIS
is
r
eq
u
ir
ed
in
o
r
d
er
to
ca
lc
u
late
th
e
b
es
t p
ar
am
eter
s
o
f
th
e
f
r
eq
u
e
n
cy
r
e
g
u
lato
r
d
u
r
i
n
g
th
e
n
o
r
m
al
a
n
d
e
m
er
g
e
n
cy
o
p
er
atio
n
.
T
h
e
r
esu
lts
s
h
o
w
th
at
f
o
r
lo
w
win
d
s
p
ee
d
s
,
th
e
AGSC
S
co
m
p
u
tes
lo
w
v
alu
es
f
o
r
th
e
f
r
eq
u
en
cy
r
e
g
u
lato
r
p
ar
am
eter
s
.
Alth
o
u
g
h
t
h
e
co
n
tr
ib
u
tio
n
o
f
r
eser
v
e
p
o
wer
to
f
r
eq
u
e
n
cy
r
e
g
u
latio
n
is
lo
w,
s
o
is
th
e
p
en
e
tr
atio
n
o
f
win
d
p
o
wer
.
I
n
t
h
is
ca
s
e,
co
n
v
en
tio
n
al
p
o
wer
p
lan
ts
ar
e
th
e
o
n
es
th
a
t
co
n
tr
ib
u
te
th
e
m
o
s
t
to
r
ec
o
v
er
in
g
th
e
f
r
eq
u
en
cy
to
its
n
o
m
in
al
v
alu
e.
As
f
o
r
m
ed
iu
m
an
d
h
ig
h
win
d
s
p
ee
d
s
,
th
e
AGSC
S
ca
lcu
late
s
h
ig
h
v
alu
es
f
o
r
th
e
f
r
eq
u
e
n
cy
r
e
g
u
lato
r
p
a
r
am
eter
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Po
w
E
lec
&
Dr
i Sy
s
t
I
SS
N:
2088
-
8
6
9
4
A
d
a
p
tive
co
n
tr
o
l sch
eme
o
f v
a
r
ia
b
le
s
p
ee
d
w
in
d
tu
r
b
in
es fo
r
fr
eq
u
en
cy
s
u
p
p
o
r
t
(
Leo
n
a
r
d
o
On
tivero
s
)
1365
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h
is
in
cr
ea
s
es
th
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eser
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p
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win
d
t
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tem
to
r
esto
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e
its
n
o
m
in
al
f
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d
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,
it
is
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th
at
f
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ig
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lev
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v
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iatio
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in
th
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tem
f
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eq
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h
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s
ca
n
b
e
m
itig
ated
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eq
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F
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r
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p
ar
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n
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C
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th
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ANPC
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th
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Un
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f
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J
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(
UNSJ
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.
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th
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C
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to
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ax
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C
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est.
DATA AV
AI
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AB
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Der
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d
ata
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[
LO
]
,
o
n
r
eq
u
est.
RE
F
E
R
E
NC
E
S
[
1
]
W
o
r
l
d
W
i
n
d
E
n
e
r
g
y
A
sso
c
i
a
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W
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3
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rl
d
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h
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s
:
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.
p
d
f
[
2
]
G
.
O
.
S
u
v
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r
e
a
n
d
P
.
E.
M
e
r
c
a
d
o
,
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c
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d
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p
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n
s
,
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ET
Re
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w
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0
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0
1
5
5
.
[
3
]
S
.
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,
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.
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,
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.
C
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.
[
4
]
M
.
G
u
s
t
a
v
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n
d
J.
G
i
me
n
e
z
,
“
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f
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d
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,
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n
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d
Fa
rm
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7
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.
[
5
]
S
.
X
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,
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.
W
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,
Y
.
C
a
o
,
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.
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,
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Li
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.
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a
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,
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2
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[
6
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Z.
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,
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.
D
u
,
L.
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,
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[
7
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W
.
Y
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n
,
X
.
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n
g
,
W
.
G
a
o
,
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d
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.
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e
v
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g
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a
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,
“
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me
c
h
a
n
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c
a
l
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h
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d
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t
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sp
o
n
se,
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o
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n
a
l
o
f
M
o
d
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r
n
Po
w
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y
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3
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2
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0
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0
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0
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7
2
.
[
8
]
M
.
H
.
R
a
v
a
n
j
i
a
n
d
M
.
P
a
r
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i
a
n
i
,
“
S
mal
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