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11
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,
J
ul
y
201
8
:
4
09
–
412
410
b
a
s
i
s
o
f
i
nt
e
r
na
t
i
o
na
l
s
t
a
nd
a
r
d
s
a
nd
gui
d
e
l
i
ne
s
a
nd
it
w
a
s
in
itia
te
d
b
y
I
n
te
r
n
a
tio
n
a
l
E
le
c
tr
o
te
c
h
n
ic
a
l
C
o
m
m
i
s
s
i
o
n
(IE
C
) i
n
1
9
9
5
.
IE
C
i
s
s
u
e
d
a
d
ra
f
t
IE
C
-
61400
-
21 s
t
a
n
da
r
d f
or
c
e
r
t
i
f
y
i
ng
t
h
e
P
Q
r
e
qu
i
r
e
m
e
nt
s
f
or
g
r
id
c
o
n
n
e
c
te
d
W
T
S
in
th
e
y
e
a
r
1
9
9
8
.
L
a
te
r
,
I
E
C
p
u
b
lis
h
e
d
th
e
f
ir
s
t e
d
itio
n
o
f
I
E
C
-
61400
-
21s
t
a
n
da
r
d
i
n t
he
ye
a
r
2
0
0
1
a
nd
t
he
n t
he
s
e
c
o
nd
e
d
i
t
i
o
n i
n
t
he
ye
a
r
2
0
0
8
.
R
e
c
e
nt
l
y,
m
e
a
s
ur
e
m
e
nt
o
f
t
he
s
ub
gr
o
up
e
d
ha
r
m
o
ni
c
s
,
i
nt
e
r
ha
r
m
o
ni
c
s
a
n
d
hi
g
he
r
f
r
e
q
ue
nc
y
ha
r
m
o
ni
c
s
i
s
t
r
e
a
t
e
d
i
n I
E
C
6
1
0
0
0
-
4
-
7 [
6,
7]
.
I
nd
uc
t
i
o
n
ge
ne
r
a
t
o
r
b
a
s
e
d
i
s
o
l
a
t
e
d
w
i
nd
e
ne
r
g
y
ge
ne
r
a
t
i
o
n
s
y
s
te
m
s
t
u
d
ie
s
is
a
v
a
i
la
b
le
i
n
lite
r
a
tu
r
e
.
A
u
t
h
o
r
s
i
n
[
8
]
h
av
e p
r
o
p
o
s
ed
s
er
i
es
co
m
p
en
s
at
ed
P
W
M i
n
v
er
t
er
w
i
t
h
a b
at
t
er
y
f
o
r
r
eg
u
l
at
i
n
g
P
Q
as
p
ect
s
l
i
k
e
v
ol
t
a
g
e
a
n
d
f
r
e
qu
e
n
c
y
.
D
y
n
a
m
i
c
s
a
n
d
s
t
a
bi
l
i
t
y
a
n
a
l
y
s
i
s
a
nd c
on
t
r
ol
of
W
T
S
us
i
ng
a
n I
G
h
a
v
e
be
e
n r
e
por
t
e
d
i
n
[
9]
,
[
10]
.
C
on
t
r
ol
s
c
h
e
m
e
s
f
or
v
ol
t
a
g
e
a
n
d
f
r
e
qu
e
n
c
y
c
on
t
r
ol
of
i
s
ol
a
t
e
d W
T
S
ba
s
e
d on
I
G
h
a
s
be
e
n
r
e
por
t
e
d
i
n
[
11]
a
n
d [
12]
.
T
h
e
e
f
f
e
c
t
s
of
pe
n
e
t
r
a
t
i
on
of
w
i
n
d
pow
e
r
i
n
t
o t
h
e
po
w
e
r
s
y
s
t
e
m
g
r
i
d a
r
e
n
o l
on
g
e
r
n
eg
l
i
g
i
b
l
e
a
s
m
o
r
e
n
u
m
b
er
o
f
w
i
n
d
g
en
er
at
o
r
s
i
s
be
i
n
g i
nt
e
g
r
a
t
e
d i
n
t
o t
h
e
g
r
i
d.
T
h
e
s
t
udy
of
t
h
e
e
f
f
e
c
t
s
o
f
g
r
id
in
te
g
r
a
tio
n
o
f
w
in
d
e
n
e
r
g
y
is
a
v
a
ila
b
le
i
n
th
e
l
ite
r
a
tu
r
e
.
A
u
t
h
o
r
s
in
[
1
3
]
h
a
v
e
i
n
v
e
s
ti
g
a
te
d
th
e
m
i
tig
a
tio
n
o
f
vo
l
t
a
ge
f
l
uc
t
ua
t
i
o
ns
c
a
us
e
d
b
y
t
ur
b
ul
e
nc
e
u
s
i
ng S
T
A
T
C
O
M
.
I
n [
1
4
]
,
a
S
T
A
T
C
O
M
h
a
s
b
e
e
n
u
tiliz
e
d
to
m
i
t
i
ga
t
e
t
he
vo
l
t
a
ge
f
l
uc
t
ua
t
i
o
ns
a
nd
t
o
i
m
p
r
o
ve
f
a
ul
t
r
i
d
e
t
hr
o
u
gh c
a
p
a
b
i
l
i
t
y o
f
gr
i
d
c
o
nne
c
t
e
d
w
i
nd
f
a
r
m
w
i
t
h
f
i
xe
d
s
p
e
e
d
I
G
.
T
he
c
o
nt
r
o
l
s
t
r
a
t
e
g
y
e
m
p
l
o
ye
d
he
r
e
i
s
t
he
c
o
nve
nt
i
o
na
l
ve
c
t
o
r
c
o
nt
r
o
l
w
i
t
h t
he
ne
ga
t
i
ve
s
eq
u
en
ce v
o
l
t
ag
e f
ee
d
-
f
o
r
w
ar
d
co
n
t
r
o
l
,
w
h
er
e t
h
e co
n
v
e
n
t
i
o
n
al
v
ect
o
r
co
n
t
r
o
l
s
h
al
l
t
a
k
e
car
e o
f
P
C
C
v
o
l
t
ag
e
an
d
D
C
l
i
n
k
v
o
l
t
a
g
e o
f
S
T
A
T
C
O
M
an
d
t
h
e o
t
h
er
co
n
t
r
o
l
ef
f
ect
i
v
el
y
s
u
p
p
r
es
s
ed
o
v
er
cu
r
r
en
t
o
f
S
T
A
T
C
O
M.
I
n
[
15]
,
a
S
T
A
T
C
O
M
i
s
ut
i
l
i
z
e
d t
o ov
e
r
c
o
m
e
t
h
e
P
Q
pr
obl
e
m
s
l
i
k
e
v
ol
t
a
ge
f
l
uc
t
ua
t
i
o
ns
a
nd
ha
r
m
o
ni
c
s
,
b
u
t
h
e
r
e
t
h
e
a
u
t
h
or
s
di
d n
ot
pr
ov
i
de
m
a
ny
de
t
a
i
l
s
a
bou
t
c
on
t
r
ol
s
t
r
a
t
e
gy
e
m
p
l
o
y
e
d.
I
n
[
16]
,
a
S
T
A
T
C
O
M
w
i
t
h
a
B
at
t
er
y
E
n
er
g
y
S
t
o
r
ag
e S
y
s
t
e
m
(
B
E
S
S
)
i
s
e
m
p
l
o
y
ed
t
o
o
v
er
co
m
e t
h
e P
Q
p
r
o
b
l
em
s
w
i
t
h
t
h
e i
n
t
eg
r
at
i
o
n
o
f
wi
n
d
f
a
r
m
wi
t
h a
b
u
nd
a
nt
w
i
n
d
p
o
w
e
r
t
o
t
he
e
xi
s
t
i
ng
gr
i
d
i
n t
he
S
o
ut
he
r
n
C
a
l
i
f
o
r
ni
a
E
d
i
s
o
n p
o
w
e
r
s
ys
t
e
m
.
T
h
e
pr
op
os
e
d S
T
A
T
C
O
M
-
B
E
S
S
s
ys
t
e
m
p
r
e
ve
nt
s
t
he
p
o
w
e
r
s
ys
t
e
m
f
r
o
m
c
o
l
l
a
p
s
i
n
g
und
e
r
c
r
i
t
i
c
a
l
c
on
t
i
ng
e
n
c
i
e
s
a
n
d pr
ov
i
de
s
v
ol
t
a
g
e
s
u
ppor
t
.
T
h
e
B
E
S
S
c
on
t
r
i
bu
t
e
d t
o m
i
n
i
m
i
z
e
w
i
n
d po
w
e
r
v
a
r
i
a
t
i
on
s
a
n
d t
o
c
o
n
tr
o
l
w
i
n
d
f
a
r
m
o
u
tp
u
t
w
it
h
in
a
p
r
e
s
e
t
v
a
l
u
e
s
.
I
n
[
1
7
]
,
th
e
S
T
A
T
C
O
M
is
e
m
p
lo
y
e
d
w
it
h
S
P
W
M
te
c
h
n
iq
u
e
h
av
i
n
g
d
eco
u
p
l
ed
co
n
t
r
o
l
t
o
co
m
p
e
n
s
at
e
t
h
e
r
eact
i
v
e p
o
w
er
o
f
w
i
n
d
f
ar
m
.
T
h
e co
n
t
r
o
l
l
er
i
n
t
h
i
s
p
ap
er
i
s
b
as
ed
o
n
p
ar
t
i
al
l
i
n
ear
i
zat
i
o
n
an
d
t
h
e co
n
t
r
o
l
p
ar
a
m
et
er
s
ar
e
m
o
d
u
l
at
i
o
n
r
at
i
o
(
M
)
an
d
p
h
as
e d
i
f
f
er
en
ce a
n
g
l
e
(
δ
)
t
o
o
b
t
ai
n
i
m
p
r
o
v
ed
S
T
A
T
C
O
M
d
y
n
a
m
i
c
r
es
p
o
n
s
e
an
d
f
l
ex
i
b
l
e
r
eact
i
v
e
p
o
w
er
co
n
t
r
o
l
.
H
o
w
e
v
er
,
t
o
en
s
u
r
e l
i
n
ear
i
zat
i
o
n
acc
u
r
ac
y
,
w
h
i
c
h
m
ak
e
s
t
h
e co
n
t
r
o
l
o
f
d
c v
o
l
t
ag
e
s
l
o
w
er
,
l
ead
i
n
g
t
o
l
a
r
g
e d
c cap
aci
t
an
ce
t
o
e
ns
ur
e
d
c
vo
l
t
a
ge
s
t
i
f
f
ne
s
s
.
I
n [
1
8
]
,
a
S
T
A
T
C
O
M
-
B
E
S
S
h
a
s
be
e
n
pr
opos
e
d t
o a
ddr
e
s
s
t
w
o pr
obl
e
m
s
:
P
Q
a
n
d s
t
a
bi
l
i
t
y
.
T
w
o
c
on
t
r
ol
s
t
r
a
t
e
g
i
e
s
h
a
v
e
be
e
n
pr
opos
e
d,
on
e
f
or
t
h
e
P
Q
i
m
pr
o
v
e
m
e
n
t
b
y
r
e
du
c
i
n
g t
h
e
vo
l
t
a
ge
f
l
u
c
t
u
a
tio
n
s
a
n
d
t
h
e
o
th
e
r
f
o
r
i
m
p
r
o
v
in
g
t
h
e
W
T
s
ta
b
ilit
y
.
I
n
[
1
9
]
,
S
T
A
T
C
O
M
is
e
m
p
lo
y
e
d
to
m
i
ni
m
i
z
e
vo
l
t
a
ge
f
l
uc
t
ua
t
i
o
ns
a
t
P
o
i
nt
o
f
C
o
m
m
o
n
C
o
up
l
i
ng
(
P
C
C
)
a
nd
vo
l
t
a
ge
i
ns
t
a
b
i
l
i
t
y d
ur
i
n
g
gr
i
d
f
a
ul
t
s
.
T
w
o di
f
f
e
r
e
n
t
c
on
t
r
ol
s
c
h
e
m
e
s
h
a
v
e
be
e
n
pr
opos
e
d;
f
i
r
s
t
on
e
i
s
ba
s
e
d
on
c
onv
e
n
t
i
on
a
l
P
I
c
on
t
r
ol
a
n
d
t
h
e
o
t
he
r
i
s
a
no
nl
i
ne
a
r
c
o
nt
r
o
l
s
c
he
m
e
b
a
s
e
d
o
n i
np
ut
-
o
u
tp
u
t f
e
e
d
b
a
c
k
lin
e
a
r
iz
a
tio
n
(
I
O
L
)
.
B
o
th
th
e
c
o
n
tr
o
lle
r
s
p
e
r
f
o
r
m
e
d
e
q
u
a
l
l
y
w
e
l
l in
f
l
ic
k
e
r
m
i
tig
a
tio
n
a
n
d
tr
a
n
s
ie
n
t P
C
C
v
o
lta
g
e
r
e
g
u
la
tio
n
b
u
t I
O
L
is
b
e
tte
r
i
n
tr
a
n
s
ie
n
t d
c
-
l
i
nk
vo
l
t
a
ge
r
e
g
ul
a
t
i
o
n.
H
o
w
e
ve
r
,
a
c
hi
e
vi
ng
t
he
r
e
q
ui
r
e
d
p
o
w
e
r
q
ua
l
i
t
y
n
o
r
m
s
a
nd
r
e
a
c
t
i
ve
p
o
w
er
co
m
p
e
n
s
at
i
o
n
o
f
t
h
e
g
r
i
d
co
n
n
ect
ed
W
T
S
u
s
i
n
g
F
u
z
z
y
L
o
g
i
c
C
o
n
t
r
o
l
l
er
(
F
L
C
)
b
a
s
ed
S
T
A
T
C
O
M
b
y
e
m
p
l
o
y
i
n
g
P
o
w
er
B
al
an
ce
T
h
eo
r
y
(
P
B
T
)
f
o
r
ex
t
r
act
i
n
g
t
h
e
r
e
f
e
r
e
nc
e
c
ur
r
e
n
t
s
f
o
r
gr
i
d
s
ync
hr
o
ni
s
a
t
i
o
n
ha
s
r
ecei
v
ed
a v
er
y
l
i
t
t
l
e r
es
ear
ch
at
t
en
t
i
o
n
.
I
n t
hi
s
p
a
p
e
r
,
W
T
S
w
i
t
h i
nd
u
c
t
i
o
n ge
ne
r
a
t
o
r
,
c
o
nne
c
t
e
d
t
o
t
he
gr
i
d
c
o
ns
i
s
t
i
ng o
f
t
he
no
nl
i
ne
a
r
l
o
a
d
i
s
c
on
s
i
de
r
e
d f
or
de
t
a
i
l
e
d s
t
u
d
y
of
t
h
e
a
s
s
oc
i
a
t
e
d P
Q
pr
obl
e
m
s
a
n
d
r
eact
i
v
e p
o
w
er
co
m
p
e
n
s
at
i
o
n
.
T
h
e cu
r
r
en
t
h
ar
m
o
n
i
cs
i
n
j
ect
ed
b
y
n
o
n
l
i
n
ear
l
o
ad
i
n
t
o
t
h
e g
r
i
d
s
h
al
l
al
s
o
af
f
ect
t
h
e
v
o
l
t
a
g
e q
u
al
i
t
y
at
t
h
e p
o
i
n
t
o
f
co
m
m
o
n
co
u
p
l
i
n
g
(
P
C
C
)
.
T
h
e P
B
T
b
as
ed
co
n
t
r
o
l
al
g
o
r
i
t
h
m
e
x
t
r
act
s
r
ef
er
e
n
ce
cu
r
r
en
t
s
f
o
r
g
r
i
d
s
ync
hr
o
ni
s
a
t
i
o
n
.
T
o
d
et
er
m
i
n
e t
h
e ef
f
ect
i
v
e
n
es
s
o
f
t
h
e
p
r
o
p
o
s
ed
f
u
zz
y
l
o
g
i
c co
n
t
r
o
l
l
er
,
a co
m
p
ar
at
i
v
e
an
al
y
s
i
s
i
s
al
s
o
p
er
f
o
r
m
ed
w
i
t
h
a P
I
co
n
t
r
o
l
l
er
.
T
h
e r
ef
er
en
ce cu
r
r
en
t
s
ar
e co
m
p
ar
ed
w
i
t
h
t
h
e act
u
al
c
u
r
r
en
t
s
an
d
t
h
e er
r
o
r
i
s
f
ed
t
o
t
h
e B
a
n
g
-
B
a
n
g
C
ur
r
e
nt
C
o
nt
r
o
l
l
e
r
(
B
B
C
C
)
,
w
hi
c
h
ge
ne
r
a
t
e
s
t
he
s
w
i
t
c
hi
n
g s
i
g
na
l
s
t
o
t
h
e S
T
A
T
C
O
M
.
T
h
e p
r
o
p
o
s
ed
co
n
t
r
o
l
l
er
p
r
o
v
i
d
es
r
eact
i
v
e
p
o
w
er
t
o
n
o
n
-
l
i
ne
a
r
l
o
a
d
a
nd
i
nd
uc
t
i
o
n ge
ne
r
a
t
o
r
an
d
t
h
u
s
m
ai
n
t
ai
n
s
U
P
F
at
t
h
e
s
o
u
r
ce s
i
d
e an
d
al
s
o
r
ed
u
ces
T
H
D
i
n
t
h
e s
y
s
t
e
m
t
o
t
h
e p
r
es
cr
i
b
ed
l
i
m
i
t
s
.
2.
CO
NF
I
G
URA
T
I
O
N
O
F
G
R
I
D CO
NNE
CT
E
D W
I
ND T
URB
I
NE
S
YS
T
E
M
T
h
e
pr
opos
e
d
g
r
i
d c
on
n
e
c
t
e
d
W
T
S
f
or
pow
e
r
qu
a
l
i
t
y
e
n
h
a
nc
e
m
e
nt
i
s
s
h
o
w
n
i
n
F
i
g
ur
e
1
.
T
he
s
ys
t
e
m
c
o
ns
i
s
t
s
o
f
w
i
nd
t
ur
b
i
ne
,
no
n
l
i
ne
a
r
l
oa
d a
n
d S
T
A
T
C
O
M
,
a
l
l
c
on
n
e
c
t
e
d t
o
g
r
i
d.
T
h
e
de
t
a
i
l
s
of
t
h
e
pr
opos
e
d
co
n
t
r
o
l
s
ch
e
m
e ar
e
s
h
o
w
n
i
n
F
i
g
ur
e
2
.
T
he
p
r
o
p
o
s
e
d
c
o
nt
r
ol
s
c
he
m
e
s
ha
l
l
t
a
ke
gr
i
d
vo
l
t
a
g
e
s
,
s
o
ur
c
e
c
ur
r
e
nt
s
,
l
o
ad
cu
r
r
en
t
s
an
d
D
C
l
i
n
k
cap
aci
t
o
r
act
u
al
an
d
r
ef
er
en
ce
v
al
u
es
as
i
n
p
u
t
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
S
c
i
I
SSN
:
2502
-
4752
F
uz
z
y
L
ogi
c
C
ont
r
ol
l
e
r
f
or
P
ow
e
r
B
al
anc
e
T
he
or
y
B
as
e
d ST
A
T
C
O
M
f
o
r
G
r
i
d C
onne
c
t
e
d
... (
G
.
M
uni
R
e
ddy
)
411
F
i
gu
r
e
1.
G
r
i
d
C
o
nne
c
t
e
d
W
i
n
d
T
ur
b
i
ne
S
ys
t
e
m
F
i
gu
r
e
2.
C
on
t
r
ol
S
ch
e
m
e D
et
ai
l
s
2
.
1
.
W
i
nd T
ur
bi
ne
Sy
s
t
e
m
T
he
W
i
nd
t
ur
b
i
ne
i
s
c
o
up
l
e
d
t
o
ge
ne
r
a
t
o
r
s
o
a
s
t
o
c
o
n
ve
r
t
t
he
ki
ne
t
i
c
e
ne
r
g
y o
f
t
he
w
i
nd
t
o
r
o
t
a
t
i
ng
t
o
r
q
u
e f
o
r
t
h
e
g
en
er
at
o
r
.
N
o
r
m
al
l
y
3
-
Φ
al
t
er
n
at
o
r
s
,
P
M
S
G
an
d
I
G
s
ar
e u
s
ed
as
g
en
er
at
o
r
s
i
n
W
T
S
.
P
M
S
G
an
d
s
q
u
i
r
r
el
ca
g
e I
G
ar
e p
o
p
u
l
ar
b
ecau
s
e o
f
r
el
i
ab
i
l
i
t
y
a
n
d
e
co
n
o
m
y
.
I
n
t
h
e p
r
o
p
o
s
ed
g
r
i
d
co
n
n
ect
ed
s
y
s
t
e
m
,
t
h
e W
T
u
s
ed
i
s
co
n
s
t
an
t
s
p
eed
w
i
t
h
p
i
t
ch
co
n
t
r
o
l
.
T
h
e s
q
u
i
r
r
el
cag
e i
n
d
u
c
t
i
o
n
g
en
er
at
o
r
i
s
us
e
d
i
n t
he
p
r
o
p
o
s
ed
s
y
s
t
e
m
b
ecau
s
e o
f
e
co
n
o
m
i
cal
,
s
i
m
p
l
e a
n
d
r
u
g
g
ed
co
n
s
t
r
u
ct
i
o
n
,
n
o
n
eed
o
f
D
C
ex
ci
t
at
i
o
n
,
an
d
h
a
s
n
a
tu
r
a
l p
r
o
te
c
tio
n
f
o
r
s
h
o
r
t c
ir
c
u
it [
2
0
]
.
T
h
e
to
ta
l p
o
w
e
r
a
v
a
i
la
b
le
in
th
e
w
i
n
d
is
:
P
w
=
1
2
ρA
3
(1
)
W
h
er
e A
i
s
ar
ea s
w
ep
t
by
W
T
bl
a
de
i
n
m
2
,
ρ
i
s
a
i
r
d
e
n
s
i
t
y
i
n
k
g
/
m
3
,
i
s
t
he
w
i
nd
s
p
e
e
d
i
n
m
/
s
.
W
T
e
xt
r
a
c
t
s
a
p
o
r
t
i
o
n o
f
p
o
w
e
r
i
n
w
i
nd
,
a
s
gi
ve
n b
y
=
(2
)
W
h
er
e C
p
i
s
t
h
e p
o
w
er
co
ef
f
i
ci
en
t
o
f
W
T
.
T
h
e el
ect
r
i
cal
p
o
w
er
o
u
t
p
u
t
i
s
t
h
en
[
2
1
]
=
(3
)
W
h
er
e
i
s
t
h
e
m
ech
a
n
i
cal
s
y
s
t
e
m
ef
f
i
ci
e
n
c
y
an
d
i
s
t
h
e ef
f
i
ci
en
c
y
o
f
t
h
e
g
en
er
at
o
r
.
2.
2.
S
t
a
t
i
c
S
yn
c
h
r
on
ou
s
C
om
p
e
n
s
at
or
(
S
T
A
T
C
O
M
)
I
n
r
ecen
t
t
i
m
e
s
,
a V
o
l
t
ag
e S
o
u
r
ce I
n
v
er
t
er
(
V
S
I
)
b
as
ed
a
d
v
an
ced
s
t
at
i
c v
ar
co
m
p
e
n
s
a
t
o
r
s
,
al
s
o
k
n
o
w
n
a
s
S
T
A
T
C
O
M,
i
s
u
t
i
l
i
zed
f
o
r
r
eact
i
v
e
p
o
w
er
co
n
t
r
o
l
[
2
2
]
.
T
h
e S
T
A
T
C
O
M
i
s
al
s
o
a
V
S
I
,
b
u
t
co
n
n
ect
ed
t
o
a g
r
i
d
s
y
s
t
e
m
r
at
h
er
t
h
a
n
t
o
a p
as
s
i
v
e l
o
ad
.
T
h
e
m
ag
n
i
t
u
d
e an
d
p
h
a
s
e an
g
l
e
o
f
t
h
e S
T
A
T
C
O
M
ar
e co
n
t
r
o
l
l
ed
t
o
ach
i
ev
e t
h
e d
es
i
r
ed
r
eact
i
v
e p
o
w
er
co
n
t
r
o
l
.
D
e
p
e
nd
i
n
g o
n t
he
vo
l
t
a
ge
m
a
g
ni
t
ud
e
o
f
S
T
A
T
C
O
M
,
i
t
b
e
ha
ve
s
l
i
ke
a
n i
nd
uc
t
o
r
o
r
c
a
p
a
c
i
t
o
r
.
I
f
vo
l
t
a
ge
va
l
ue
i
s
hi
g
he
r
t
ha
n
t
he
gr
i
d
vo
l
t
a
ge
,
i
t
b
eh
av
es
as
a cap
aci
t
o
r
,
f
o
r
a
l
es
s
v
o
l
t
a
g
e t
h
an
g
r
i
d
,
i
t
b
e
h
av
e
s
l
i
k
e a
n
i
n
d
u
ct
o
r
.
T
h
er
ef
o
r
e b
y
co
n
t
i
n
u
o
u
s
v
o
lta
ge
va
r
i
a
t
i
o
n,
t
he
r
e
a
c
t
i
ve
p
o
w
e
r
o
ut
p
ut
o
f
S
T
A
T
C
O
M
s
ha
l
l
b
e
va
r
i
e
d
c
o
nt
i
nuo
us
l
y [
2
2
,
2
3]
.
3.
CO
NT
RO
L
S
CH
E
M
E
3
.
1
.
E
x
t
ra
ct
i
o
n
o
f
R
e
f
eren
ce C
u
rren
t
s
u
s
i
n
g
P
B
T
f
o
r G
ri
d
S
y
n
ch
ro
n
i
za
t
i
o
n
P
B
T
i
s
u
s
ed
f
o
r
ex
t
r
act
i
n
g
r
e
f
er
en
ce c
u
r
r
en
t
s
o
f
t
h
e g
r
i
d
.
T
h
e d
et
ai
l
s
o
f
t
h
i
s
c
o
n
tr
o
l s
tr
a
te
g
y
a
r
e
s
ho
w
n
i
n
F
i
gur
e
3
.
T
he
3
-
Φ
v
o
lta
g
e
s
a
t
P
C
C
,
V
sa
,
V
sb
,
a
nd
V
sc
a
r
e
s
e
n
s
e
d
a
nd
t
he
n t
he
P
C
C
vo
l
t
a
ge
a
m
p
lit
u
d
e
,
V
t
,
i
s
c
o
m
pu
t
e
d a
s
:
[
24]
.
{
}
1
2
222
sa
sc
sb
2
(
)(
+
+
)
V=
3
t
vvv
(4
)
T
h
e
in
p
h
a
s
e
u
n
it te
m
p
la
te
s
u
a
, u
b
,
a
nd
u
c
ar
e
obt
a
i
n
e
d
as
sa
sb
sc
=
,=
,
=
a
bc
V
VV
t
tt
vv
u
uu
v
(5
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
25
02
-
4752
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
Sc
i
,
Vo
l
.
11
, N
o
.
1
,
J
ul
y
201
8
:
4
09
–
412
412
T
h
e i
n
s
t
an
t
an
eo
u
s
act
i
v
e an
d
r
eact
i
v
e p
o
w
er
s
o
f
t
h
e l
o
ad
i
s
c
o
m
p
u
t
ed
as
,
La
Lb
Lc
L
sb
sc
sa
=
++
p
vv
i
ii
v
(6
)
1
3
√
sa
sb
sb
sc
Lb
Lc
La
L
=
-
+-
-
i
i
vv
sc
sa
(
)
+(
)
i
()
q
vv
vv
{}
(7
)
F
i
gu
r
e
3.
B
l
oc
k
di
a
g
r
a
m
of
P
B
T
ba
s
e
d
C
o
nt
r
o
l
S
c
he
m
e
fo
r
R
ef
er
e
n
ce C
u
r
r
en
t
E
x
t
r
act
i
o
n
F
r
o
m
t
h
e ab
o
v
e
i
n
s
t
an
t
an
eo
u
s
p
o
w
er
s
,
t
h
e
f
u
n
d
a
m
e
n
t
al
D
C
co
m
p
o
n
e
n
t
o
f
act
i
v
e p
o
w
er
(
P
LD
)
a
nd
r
eact
i
v
e p
o
w
er
(
Q
LD
)
ar
e ex
t
r
act
ed
u
s
i
n
g
a l
o
w
p
as
s
f
i
l
t
er
.
T
h
e am
p
l
i
t
u
d
e o
f
f
u
n
d
a
m
e
n
t
a
l a
c
tiv
e
(
I
Lp
D
)
a
nd
r
eact
i
v
e (
I
Lq
D
)
l
o
ad
cu
r
r
en
t
s
ar
e o
b
t
ai
n
ed
as
f
o
l
l
o
w
s
,
LD
LpD
t
=
V
2
P
3
I
,
LD
LqD
t
=
V
2
Q
3
I
(8
)
T
h
e
a
m
p
litu
d
e
o
f
i
n
-
ph
a
s
e
c
om
po
n
e
nt
of
r
e
f
e
r
e
n
c
e
g
r
i
d c
u
r
r
e
n
t
i
s
c
o
m
put
e
d b
y
a
ddi
ng
t
he
ou
t
pu
t
o
f
D
C
l
i
nk
c
o
n
tr
o
lle
r
(
I
loss
)
to
I
L
pD
.
re
f
s
p
os
s
LpD
=+
l
II
I
(9
)
T
he
i
ns
t
a
n
t
a
ne
o
us
va
l
ue
s
o
f
i
n
-
p
h
a
s
e co
m
p
o
n
en
t
o
f
r
ef
er
e
n
c
e g
r
i
d
cu
r
r
en
t
s
ar
e es
t
i
m
at
ed
a
s
,
sa
p
sb
p
b
re
f
re
f
re
f
re
f
re
f
sp
sp
scp
sp
ac
re
f
=
,
=
,
a
n
d
=
uu
u
i
Ii
I
i
I
(
10)
T
h
e am
p
l
i
t
u
d
e o
f
q
u
ad
r
at
u
r
e co
m
p
o
n
e
n
t
o
f
r
ef
er
en
ce
g
r
i
d
cu
r
r
en
t
i
s
co
m
p
u
t
ed
b
y
s
u
b
t
r
act
i
n
g
I
Lq
D
f
r
o
m
t
h
e
o
u
tp
u
t o
f
A
C
v
o
lta
g
e
P
I
c
o
n
tr
o
lle
r
(
I
qr
).
s
q
LqD
re
f
qr
=-
I
II
(
11)
T
h
e i
n
s
t
an
t
an
eo
u
s
v
al
u
e
s
o
f
q
u
ad
r
at
u
r
e co
m
p
o
n
e
n
t
o
f
r
ef
er
e
n
ce g
r
i
d
c
u
r
r
en
t
s
ar
e es
t
i
m
at
ed
as
,
re
f
re
f
re
f
re
f
re
f
re
f
sa
q
sq
sb
q
sq
scq
sq
aq
bq
c
q
=
,
=
,
a
n
d
=
uu
u
i
Ii
I
i
I
(
12)
T
h
e
q
u
a
d
r
a
tu
r
e
u
n
it te
m
p
la
te
s
,
u
a
q
, u
bq
,
a
nd
u
cq
ar
e co
m
p
u
t
ed
as
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
S
c
i
I
SSN
:
2502
-
4752
F
uz
z
y
L
ogi
c
C
ont
r
ol
l
e
r
f
or
P
ow
e
r
B
al
anc
e
T
he
or
y
B
as
e
d ST
A
T
C
O
M
f
o
r
G
r
i
d C
onne
c
t
e
d
... (
G
.
M
uni
R
e
ddy
)
413
aq
b
c
3
=
(-
+
)
u
uu
,
bq
a
b
c
=
(3
+
-
)
2
3
u
u
uu
,
a
nd
cq
a
b
c
23
=
(-3
+
-
)
u
u
uu
(
13)
T
he
i
ns
t
a
n
t
a
ne
o
us
va
l
ue
s
o
f
r
e
f
er
en
ce
g
r
i
d
cu
r
r
en
t
s
ar
e es
t
i
m
at
ed
as
,
sa
p
re
f
re
f
re
f
sa
sa
q
=+
ii
i
,
re
f
re
f
re
f
sb
sb
p
sb
q
=+
ii
i
,
a
nd
re
f
re
f
re
f
sc
scp
scq
=+
ii
i
(
14)
3.
2.
B
an
g
-
B
a
n
g
C
u
rren
t
C
o
n
t
ro
l
l
er (
B
B
C
C
)
I
n
t
h
e B
B
C
C
,
h
y
s
t
er
es
i
s
co
m
p
ar
at
o
r
co
n
t
r
o
l
s
t
h
e
s
t
ead
y
-
s
t
at
e
er
r
o
r
b
y
v
ar
y
i
n
g t
he
h
ys
t
e
r
e
s
i
s
b
an
d
w
i
d
t
h
(
H
B
)
.
I
n
t
h
i
s
p
ap
er
,
a t
w
o
l
e
v
el
h
y
s
t
er
es
i
s
co
m
p
ar
at
o
r
n
am
e
l
y
,
l
o
w
er
h
y
s
t
er
es
i
s
b
an
d
(
L
H
B
)
an
d
u
p
p
er
h
y
s
t
er
es
i
s
b
an
d
(
U
H
B
)
i
s
e
m
p
l
o
y
ed
t
o
d
et
er
m
i
n
e
t
h
e s
t
ead
y
-
s
t
at
e
er
r
o
r
.
T
h
e a
ct
u
al
c
u
r
r
en
t
s
ar
e
m
eas
u
r
ed
b
y
s
e
n
s
o
r
s
an
d
t
h
e
r
ef
er
e
n
ce c
u
r
r
en
t
s
ar
e cal
c
u
l
at
ed
u
s
i
n
g
E
q
.
(
1
4
)
.
O
n
co
m
p
ar
i
n
g
act
u
al
a
n
d
r
ef
er
en
ce cu
r
r
en
t
s
,
a cu
r
r
en
t
e
r
r
o
r
i
s
o
b
t
ai
n
ed
,
w
h
i
ch
i
s
f
ed
t
o
a B
B
C
C
.
T
h
e B
B
C
C
s
h
al
l
g
en
er
at
e s
w
i
t
c
h
i
n
g
s
i
gn
a
l
s
f
or
I
G
B
T
s
of
S
T
A
T
C
O
M
[
25,
26]
.
F
i
g
u
r
e
4
s
h
o
w
s
t
h
e
m
e
t
h
od
f
or
obt
a
i
n
i
n
g
s
w
i
t
c
hi
ng
s
i
g
na
l
s
f
o
r
I
G
BT
s o
f
S
T
A
T
CO
M
.
F
i
g
ur
e
4
.
B
a
ng
-
B
a
ng C
ur
r
e
nt
C
o
nt
r
o
l
l
e
r
(
B
B
C
C
)
3.
3.
F
u
z
z
y L
ogi
c
C
on
t
r
ol
l
e
r
(
F
L
C
)
R
ecen
t
l
y
,
a l
o
t
o
f
i
n
t
er
es
t
h
a
s
b
een
s
h
o
w
n
i
n
t
h
e r
es
ear
ch
o
f
ap
p
l
i
cat
i
o
n
s
o
f
F
L
C
.
F
L
C
i
s
an
ex
p
er
t
s
y
s
t
e
m
,
w
hi
c
h
t
r
i
e
s
t
o i
m
pl
e
m
e
n
t
hum
a
n kn
o
w
l
e
dg
e
i
n
t
h
e
f
or
m
of
i
f
-
t
he
n r
ul
e
s
.
I
n
t
he
c
o
nve
nt
i
o
na
l
c
o
nt
r
o
l
s
ys
t
e
m
s
,
l
i
ke
P
I
a
nd
P
I
D
c
o
nt
r
o
l
l
e
r
s
,
r
i
go
r
o
us
m
a
t
he
m
a
t
i
c
s
i
s
ne
e
d
e
d
t
o
m
o
d
e
l
t
he
s
ys
t
e
m
a
nd
i
f
t
he
m
a
t
h
e
m
a
t
i
c
a
l
m
ode
l
i
s
n
ot
kn
o
w
n
,
t
h
e
n
t
h
e
c
onv
e
nt
i
on
a
l
c
on
t
r
ol
l
e
r
s
c
a
nn
ot
be
de
s
i
gn
e
d.
T
h
e
s
t
r
u
c
t
u
r
e
of
F
L
C
co
n
s
i
s
t
s
o
f
f
o
u
r
p
ar
t
s
,
n
a
m
el
y
,
F
u
zzi
f
i
ca
t
i
o
n
,
k
n
o
w
l
ed
g
e b
as
e,
i
n
f
er
e
n
ce an
d
d
ef
u
zzi
f
i
cat
i
o
n
.
I
n
th
i
s
p
a
p
e
r
,
th
e
P
I
c
o
n
tr
o
lle
r
is
n
o
w
r
e
p
la
c
e
d
w
ith
a
F
L
C
,
a
s
s
h
o
w
n
in
F
ig
u
r
e
5
.
T
h
e
in
p
u
ts
to
th
e
F
L
C
a
r
e
e
r
r
o
r
a
nd
c
ha
nge
i
n e
r
r
o
r
a
nd t
he
o
ut
p
ut
o
f
t
he
F
L
C
i
s
I
loss
.
T
h
e t
w
o
i
n
p
u
t
s
v
ar
i
ab
l
es
ar
e f
u
zzi
f
i
ed
b
y
us
i
n
g t
he
t
hr
e
e
f
uz
z
y s
e
t
s
:
N
E
,
Z
E
a
nd
P
O
.
T
he
o
ut
p
ut
va
r
i
a
b
l
e
i
s
f
uz
z
i
f
i
e
d
b
y u
s
i
ng
f
i
ve
f
uz
z
y s
e
t
s
:
N
E
,
N
S
,
Z
E
,
P
S
a
nd
P
O
.
T
he
no
r
m
a
l
i
z
e
d
m
e
m
b
e
r
s
hi
p
f
unc
t
i
o
ns
f
o
r
i
np
ut
a
nd
o
ut
p
ut
va
r
i
a
b
l
e
s
a
r
e
s
ho
w
n
i
n F
i
g
ur
e
6
.
T
h
e k
n
o
w
l
ed
g
e i
s
r
ep
r
es
en
t
ed
i
n
t
h
e
f
o
r
m
o
f
r
u
l
es
a
s
i
n
d
i
cat
e
d
i
n
T
ab
l
e 1
.
I
n
f
er
en
ce
i
s
don
e
u
s
i
ng
M
a
m
da
ni
’
s
m
i
n
ope
r
a
t
or
a
n
d f
i
n
a
l
l
y
,
t
h
e
o
u
t
pu
t
i
s
c
onv
e
r
t
e
d t
o c
r
i
s
p s
e
t
by
de
f
u
z
z
i
f
i
c
a
t
i
on
us
i
n
g
c
e
n
t
r
oi
d m
e
t
h
od.
T
ab
l
e 1
.
Ru
l
e
B
a
se
C
ha
n
ge
i
n
e
r
r
o
r
E
rro
r
NE
ZE
PO
NE
NE
NS
ZE
ZE
NS
ZE
PS
PO
ZE
PS
PO
F
i
gu
r
e
5.
B
l
oc
k
di
a
g
r
a
m
of
F
L
C
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SSN
:
25
02
-
4752
I
nd
o
ne
s
i
a
n J
E
l
e
c
E
ng
&
C
o
m
p
Sc
i
,
Vo
l
.
11
, N
o
.
1
,
J
ul
y
201
8
:
4
09
–
412
410
F
i
gu
r
e
6.
M
e
m
be
r
s
h
i
p
F
u
nc
t
i
o
ns
(a
)
E
rro
r
a
nd
C
ha
n
ge
i
n
E
rr
o
r
(b
)
O
ut
p
ut
, I
loss
4.
R
ES
U
LT
S
A
ND AN
AL
Y
S
I
S
T
he
s
ys
t
e
m
c
o
ns
i
d
e
r
e
d
f
o
r
po
w
e
r
q
ua
l
i
t
y
i
m
p
r
o
ve
m
e
nt
,
a
s
s
ho
w
n
i
n F
i
gur
e
1
,
i
s
s
i
m
u
l
a
t
e
d
us
i
ng
M
A
T
L
A
B
/
S
I
M
U
L
I
N
K
.
T
h
e p
o
w
er
q
u
al
i
t
y
o
f
t
h
e s
y
s
t
e
m
i
s
m
ai
n
l
y
a
f
f
ect
ed
b
y
t
h
e
n
o
n
l
i
n
ear
l
o
ad
an
d
w
i
n
d
t
u
r
b
i
n
e.
I
n
t
h
i
s
p
ap
er
,
t
o
h
av
e t
h
e co
m
p
ar
at
i
v
e a
n
al
y
s
i
s
o
f
t
h
e
pe
r
f
or
m
a
n
c
e
of
t
h
e
pr
opos
e
d F
L
C
ba
s
e
d
S
T
A
T
C
O
M
w
i
t
h
P
B
T
ba
s
e
d c
on
t
r
ol
s
c
h
e
m
e
,
t
h
e
pr
opos
e
d s
y
s
t
e
m
i
s
a
l
s
o s
i
m
ul
a
t
e
d
w
i
t
h
o
u
t
S
T
A
T
C
O
M
a
n
d
th
e
n
w
ith
P
I
c
o
n
tr
o
lle
r
S
T
A
T
C
O
M
.
4
.1
.
S
y
s
t
e
m
P
erf
o
r
m
a
n
ce
w
i
t
ho
ut
ST
A
T
C
O
M
a
nd i
t
s
C
o
n
t
r
o
lle
r
D
ue
t
o
no
nl
i
ne
a
r
l
o
a
d
,
t
he
l
oa
d c
u
r
r
e
n
t
i
s
n
ot
s
i
nu
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d
-
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o
n
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ect
ed
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i
nd t
ur
b
i
ne
s
.
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r
.
I
br
a
hi
m
A
l
-
B
a
ha
dl
y
(
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d.
)
,
I
nT
e
c
h,
D
O
I
:
1
0.
5
77
2/
1
51
75.
[
8]
E
.
M
u
l
z
a
d
i a
n
d
T.
Li
p
o
.
“
S
e
r
i
e
s
c
om
pe
ns
a
t
e
d
P
W
M
i
nv
e
r
t
e
r
w
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t
h
ba
t
t
e
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y
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uppl
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ppl
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e
d t
o
a
n
i
s
ol
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t
e
d
i
n
duc
t
i
on
g
en
er
at
o
r
”,
I
E
E
E
T
r
a
n
s
. I
n
d
.
A
p
p
l
ic
a
tio
n
s
.
1
99
4;
30(
4)
:
10
73
–
108
2.
[
9]
L
.
M
.
F
er
n
an
d
ez,
J
.
R
.
S
aen
z,
an
d
F
.
J
u
r
ad
o
,
“
D
y
na
m
i
c
m
ode
l
s
of
w
i
nd f
a
r
m
s
w
i
t
h f
i
xe
d s
pe
e
d w
i
nd t
ur
b
i
ne
s
”,
R
e
ne
w
abl
e
E
ne
r
gy
.
2
00
6;
31(
8)
:
120
3
–
1
23
0.
[
1
0]
J
.
L
.
M
unda
a
n
d H
.
M
i
y
a
g
i
,
“
S
t
a
bi
l
i
t
y
a
na
l
y
s
i
s
a
nd c
ont
r
ol
of
a
w
i
nd t
ur
bi
ne
dr
i
v
e
n i
n
duc
t
i
o
n g
e
ne
r
a
t
or
”
,
E
l
ect
r
i
ca
l
P
ow
e
r
C
om
p
one
n
t
s
a
nd
Sy
s
t
e
m
s
.
200
2;
30(
12)
:
1
22
3
–
1
23
3.
[
1
1]
A.
A.
S
ha
l
t
ou
t
a
nd
M
.
A
.
A
bde
l
-
H
a
l
i
m,
“
S
o
lid
s
ta
te
c
o
n
tr
o
l o
f
w
in
d
d
r
iv
e
n
s
e
lf
-
e
x
c
ite
d
in
d
u
c
tio
n
g
en
er
at
o
r
”,
E
l
ect
r
i
c M
a
ch
i
n
es
&
P
o
w
er
S
ys
t
em
s
.
19
95;
2
3(
5
)
:
5
71
–
58
2.
[
1
2]
J.
F
ai
z
.
“
D
e
s
i
g
n a
nd i
m
pl
e
m
e
nt
a
t
i
on of
a
s
ol
i
d s
t
a
t
e
c
ont
r
ol
l
e
r
f
or
r
e
g
ul
a
t
i
on of
out
put
v
ol
t
a
g
e
of
a
w
i
nd dr
i
v
e
n s
e
l
f
-
ex
ci
t
ed
t
h
r
ee p
h
as
e s
q
u
i
r
r
el
cag
e i
n
d
u
ct
i
o
n
g
en
er
at
o
r
”
.
P
r
o
c
. I
E
E
E
8
th
I
nt
e
r
na
t
i
o
nal
C
onf
e
r
e
n
c
e
on E
l
e
c
t
r
i
c
al
M
ac
hi
ne
s
a
nd Sy
s
t
e
m
s
.
N
a
nj
i
ng
,
C
hi
na
.
20
05;
3:
2
38
4
–
23
88.
[
1
3]
R.
F
a
da
e
i
ne
dj
a
d
,
G
.
M
os
c
h
op
oul
o
s
a
nd
M
.
M
o
al
l
em
,
“
U
s
in
g
S
T
A
T
C
O
M
to
m
itig
a
te
v
o
lta
g
e
f
lu
c
tu
a
tio
n
s
d
u
e
t
o
a
e
r
ody
na
m
i
c
a
s
pe
c
t
s
of
w
i
nd t
ur
bi
ne
s
”,
P
r
o
c
. 2
0
0
8
I
E
E
E
P
o
w
er
E
l
ect
r
o
n
i
cs
S
p
eci
a
l
i
s
t
s
C
o
n
f
er
en
ce
.
R
hode
s
,
G
r
e
e
c
e
.
2008;
3
64
8
-
365
4.
[
1
4]
G
ui
z
he
n T
i
a
n,
S
he
ng
t
i
e
W
a
ng
a
nd
G
ua
ng
c
he
n L
i
u
,
“
P
ow
e
r
qu
a
l
ity
a
n
d
T
r
a
n
s
ie
n
t S
ta
b
ility
I
m
pr
ov
e
m
e
nt
of
W
i
nd
F
a
r
m
w
ith
F
ix
e
d
-
S
p
eed
I
n
d
u
ct
i
o
n
G
en
er
at
o
r
s
U
s
i
n
g
a S
T
A
T
C
O
M
”,
P
r
oc
.
of
2
01
0 I
E
E
E
I
nt
e
r
n
at
i
on
a
l
C
o
nf
e
r
e
nc
e
o
n
P
o
w
er
S
ys
t
em
T
ech
n
o
l
o
g
y
.
H
a
ng
z
hou
.
2
01
0;
1
-
6.
[
1
5]
V
.
S
u
r
es
h
K
u
m
ar
,
A
h
m
ed
F
.
Z
o
b
aa,
R
.
D
i
n
es
h
K
an
n
an
,
an
d
K
.
K
al
ai
s
el
v
i
,
“
P
ow
e
r
qua
l
i
t
y
a
nd S
t
a
bi
l
i
t
y
I
m
pr
ov
e
m
e
nt
in
W
i
n
d
P
a
r
k
S
y
st
e
m
Usi
n
g
S
T
A
T
C
OM
”
,
J
or
dan J
o
ur
n
al
of
M
e
c
hani
c
al
a
nd
I
n
dus
t
r
i
al
E
ngi
ne
e
r
i
ng
.
20
10
;
4(
1)
:
169
–
176
.
[
1
6]
J
.
C
as
t
an
ed
a,
J
.
E
n
s
l
i
n
,
D
.
E
l
i
zo
n
d
o
,
N
.
A
b
ed
an
d
S
.
T
el
ek
e
,
“
A
ppl
i
c
a
t
i
on
of
S
T
A
T
C
O
M
w
i
t
h e
ne
r
gy
s
t
or
a
g
e
f
or
w
in
d
f
a
r
m
in
te
g
r
a
tio
n
”,
I
E
E
E
P
E
S
T
&
D
.
Ne
w
Or
l
e
a
n
s,
L
A
,
US
A
.
2
0
1
0
;
1
-
6.
[
1
7]
H
.T
.W
u
, Y
. H
. L
i
u
,
“
No
v
e
l
S
T
A
T
C
OM
C
ont
r
o
l
S
t
r
a
t
e
g
y
f
or
W
i
nd
F
a
r
m
R
e
a
c
t
i
v
e
P
ow
e
r
C
om
pe
ns
a
t
i
on
”,
I
EE
E
A
si
a
-
P
ac
i
f
i
c
p
ow
e
r
an
d E
ne
r
gy
E
ngi
ne
e
r
i
ng c
onf
e
r
e
nc
e
.
W
uha
n.
201
1;
1
-
5.
[
1
8]
A
.
A
r
u
l
a
m
p
al
a
m
,
M
.
B
ar
n
es
,
N
.
J
en
k
i
n
s
an
d
J
.
B
.
E
k
an
ay
ak
e,
“
P
o
w
e
r
q
u
a
lit
y
a
n
d
s
ta
b
ility
im
p
r
o
v
e
m
e
n
t o
f
a
w
in
d
f
ar
m
u
s
i
ng
S
T
A
T
C
O
M
s
uppor
t
e
d
w
i
t
h h
y
br
i
d ba
t
t
e
r
y
e
ne
r
gy
s
t
or
a
g
e
”,
I
E
E
P
r
o
c
.
-
G
e
ne
r
.
T
r
ans
.
D
i
s
t
r
i
but
i
on
.
20
06
;
153
(
6)
:
70
1
-
710
.
[
1
9]
W
e
i
Q
i
a
o a
nd R
ona
l
d G
.
H
a
r
l
e
y
,
“
P
ow
e
r
qua
l
i
t
y
a
nd D
y
na
m
i
c
P
e
r
f
or
m
a
nc
e
I
m
pr
ov
e
m
e
nt
of
W
i
nd F
a
r
m
s
U
s
i
ng
a
S
T
AT
C
O
M
”,
I
E
E
E
P
o
w
e
r
E
l
e
c
t
.
S
p
eci
a
l
i
s
t
s
C
o
n
f
er
en
ce
.
O
r
l
a
ndo.
200
7;
18
32
-
1
83
8.
[
2
0]
P
r
a
s
ha
nt
h
N
A
a
nd P
S
uj
a
t
ha
,
“
C
om
m
onl
y
us
e
d W
i
nd
G
e
ne
r
a
t
or
S
y
s
t
e
m
s
:
A
C
om
pa
r
i
s
on N
ot
e
”,
I
n
do
n
e
s
i
an
J
our
n
al
o
f
E
l
e
c
t
r
i
c
al
E
n
gi
ne
e
r
i
n
g
an
d C
om
put
e
r
Sc
i
e
nc
e
(
IJ
E
E
CS
)
.
20
17;
7(
2)
:
29
9
-
3
11.
[
2
1]
D
r.
R.
C
.
Ba
n
s
a
l
,
D
r.
A
h
m
ed
F
.
Z
o
b
aa,
D
r
.
R
.
K
.
S
ak
et
,
“
S
o
m
e I
s
s
u
es
R
el
at
ed
t
o
P
o
w
er
G
en
er
at
i
o
n
U
s
i
n
g
W
i
n
d
E
ne
r
g
y
C
onv
e
r
s
i
on S
y
s
t
e
m
s
:
A
n O
v
e
r
v
i
e
w
”,
I
nt
e
r
nat
i
o
nal
J
our
nal
of
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m
e
r
gi
n
g E
l
e
c
t
r
i
c
P
ow
e
r
Sy
s
t
e
m
s
.
200
5;
3(
2)
:
ar
t
i
cl
e 1
0
7
0
.
[
2
2]
N
.
G
.
H
i
ng
or
a
ni
a
nd L
.
G
y
u
g
i
,
“
U
nde
r
s
t
a
ndi
ng
F
A
C
T
S
:
c
onc
e
pt
s
a
nd t
e
c
hnol
og
y
o
f
f
le
x
ib
le
A
C
tr
a
n
s
m
i
s
s
io
n
s
y
s
t
e
m
s
”,
I
E
E
E
,
N
e
w
Y
or
k
,
200
0,
c
h.
5
.
[
2
3]
S
.
D
eep
a,
S
.
P
r
ab
a,
V
.
D
eep
al
ak
s
h
m
i
,
L
.
J
a
y
ap
r
ak
as
h
,
M
.
M
an
i
m
u
r
u
g
an
,
“
A
F
u
zzy
G
A
b
as
ed
S
T
A
T
C
O
M
f
o
r
p
o
w
er
qua
l
i
t
y
i
m
pr
ov
e
m
e
nt
”,
I
nt
e
r
nat
i
o
nal
J
our
n
al
of
P
ow
e
r
E
l
ect
r
o
n
i
c
s
a
n
d
D
r
i
ve S
ys
t
em
(
I
JP
E
D
S
)
.
2017
;
8(
1)
:
48
3
-
491
.
[
2
4]
B.
S
i
n
gh
, D
. T
.
S
ha
ha
ni
an
d
A
. K
.
V
e
r
ma
,
“
P
ow
e
r
ba
l
a
nc
e
t
he
or
y
ba
s
e
d c
ont
r
ol
of
g
r
i
d i
nt
e
r
f
a
c
e
d s
ol
a
r
ph
ot
ov
o
l
t
a
i
c
pow
e
r
g
e
ne
r
a
t
i
ng
s
y
s
t
e
m
w
i
t
h i
m
pr
ov
e
d pow
e
r
qua
l
i
t
y
”
.
P
r
oc
e
e
di
n
gs
of
I
E
E
E
I
nt
e
r
n
at
i
on
al
C
on
f
e
r
e
nc
e
on
P
ow
e
r
E
l
ect
r
o
n
i
cs
,
D
r
i
ves
a
n
d
E
n
er
g
y
S
ys
t
em
s
.
B
e
ng
a
l
ur
u.
2
01
2;
1
-
7
.
[
2
5]
S
am
an
H
o
s
s
ei
n
i
H
em
at
i
,
A
s
h
k
an
M
o
h
am
m
ad
i
,
“
P
ow
e
r
C
ont
r
ol
of
H
i
g
h
P
e
ne
t
r
a
t
i
o
n
P
V
i
n
D
i
s
t
r
i
b
ut
i
on
N
e
t
wo
r
k
”,
T
E
L
KO
M
NIKA
(
T
e
l
e
c
om
m
uni
c
at
i
o
n,
C
om
p
ut
i
n
g,
E
l
e
c
t
r
oni
c
s
an
d C
on
t
r
o
l
)
.
2
01
5;
1
5(
2)
:
217
-
228.
[
2
6]
A
h
m
a
d A
l
ba
nna
,
“
M
ode
l
i
ng
&
S
i
m
ul
a
t
i
on of
H
y
s
t
e
r
e
s
i
s
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ur
r
e
nt
C
ont
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ol
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e
d
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nv
e
r
t
e
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s
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s
i
ng
M
A
T
L
A
B
,
A
ppl
i
c
a
t
i
ons
o
f
M
A
T
L
A
B
i
n
S
ci
en
ce an
d
E
n
g
i
n
eer
i
n
g
”,
P
r
o
f
.
T
ad
eu
s
z M
i
ch
al
o
w
s
k
i
(
E
d
.
)
,
I
S
B
N
:
9
7
8
-
9
53
-
307
-
70
8
-
6,
I
nT
e
c
h.
Evaluation Warning : The document was created with Spire.PDF for Python.