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o
n
th
e
o
n
e
h
a
n
d
an
d
m
ai
n
tai
n
ten
s
io
n
i
n
th
e
D
C
b
u
s
ca
p
ac
ito
r
o
f
t
h
e
co
n
s
ta
n
t
v
al
u
e
a
n
d
t
h
e
m
a
k
e
t
h
e
cu
r
r
en
t
o
u
tp
u
t
o
f
t
h
e
i
n
v
er
te
r
in
th
e
p
h
ase
w
it
h
e
th
e
g
r
id
v
o
lta
g
e.
T
h
e
r
est
o
f
t
h
e
p
ap
er
is
o
r
g
a
n
ized
d
as
f
o
llo
w
s
:
th
e
m
o
d
e
l
m
a
th
e
m
ati
ca
l
o
f
t
h
e
w
h
o
le
s
y
s
te
m
is
p
r
esen
ted
b
y
th
e
eq
u
atio
n
o
f
s
tates
in
Sectio
n
I
I
;
Sectio
n
I
I
I
d
escr
ib
es
in
d
etails
t
h
e
p
r
o
p
o
s
ed
co
n
tr
o
l
s
tr
ateg
y
b
ased
o
n
b
ac
k
s
tep
p
in
g
ap
p
r
o
ac
h
f
o
r
t
h
e
s
y
s
te
m
s
t
u
d
ied
,
w
h
ile
i
n
Sectio
n
I
V
g
i
v
es
s
i
m
u
la
tio
n
r
es
u
lt
s
d
em
o
n
s
tr
ati
n
g
t
h
e
g
o
o
d
p
er
f
o
r
m
an
ce
o
f
th
e
p
r
o
p
o
s
ed
m
e
th
o
d
in
M
A
T
L
A
B
/
Si
m
u
l
in
k
,
t
h
e
n
a
co
n
cl
u
s
io
n
at
th
e
en
d
o
f
p
ap
er
.
Fig
u
r
e
1
.
A
r
ch
itectu
r
e
o
f
t
h
e
W
in
d
P
o
w
er
S
y
s
te
m
2.
M
O
DE
L
I
N
G
O
F
T
H
E
WI
N
D
SYST
E
M
2
.
1
.
G
ener
a
t
o
r
M
o
delin
g
T
o
s
im
p
li
f
y
t
h
e
s
y
s
te
m
o
f
eq
u
atio
n
s
w
i
th
v
ar
iab
le
co
e
f
f
icie
n
ts
,
a
m
o
d
el
i
n
t
h
e
P
ar
k
r
ef
er
e
n
ce
o
f
t
h
is
m
ac
h
in
e
w
i
ll
b
e
u
s
ed
.
T
h
e
Par
k
r
ef
er
en
ce
i
s
s
i
m
p
ler
to
m
an
ip
u
late
b
ec
a
u
s
e
t
h
e
elec
tr
ic
al
q
u
an
ti
ties
e
v
o
lv
e
lik
e
co
n
ti
n
u
o
u
s
m
a
g
n
it
u
d
es.
On
e
ca
n
s
w
itc
h
f
r
o
m
o
n
e
to
th
e
o
th
er
m
ar
k
er
u
s
i
n
g
tr
a
n
s
i
t
m
at
r
ices.
Sin
ce
t
h
e
v
o
lta
g
e
s
ar
e
th
e
i
n
p
u
t
v
ar
iab
les,
t
h
e
o
u
tp
u
t
q
u
a
n
titi
e
s
(
cu
r
r
en
t
s
)
ca
n
b
e
ex
p
r
ess
ed
as
a
f
u
n
ctio
n
o
f
th
e
s
e,
t
h
e
s
tate
m
o
d
el
o
f
th
e
s
y
n
c
h
r
o
n
o
u
s
m
ac
h
in
e,
ex
p
r
ess
ed
in
t
h
e
r
o
tatin
g
d
-
q
r
ef
er
en
ce
f
r
a
m
e
lin
k
ed
to
th
e
r
o
to
r
,
is
th
e
f
o
llo
w
i
n
g
[
1
4
]
:
l
f
T
J
x
j
f
x
j
p
x
1
1
2
1
(1
)
1
1
3
1
2
2
1
1
u
v
L
x
L
p
x
x
L
L
p
x
L
R
x
dc
q
f
q
q
d
q
s
(
2
)
2
2
1
3
3
1
u
v
L
x
x
L
L
p
x
L
R
x
dc
d
q
d
d
s
(
3
)
w
h
er
e:
1
x
;
q
i
x
2
;
d
i
x
3
;
x
an
av
er
ag
i
n
g
v
al
u
e
o
v
er
a
cu
ttin
g
p
er
io
d
o
f
a
r
ea
l sig
n
al
x
.
s
R
r
esis
ta
n
ce
o
f
th
e
s
ta
to
r
w
i
n
d
in
g
s
(
d
L
,
q
L
)
ar
e
d
an
d
q
ax
is
in
d
u
cta
n
ce
s
(
d
i
,
q
i
)
ar
e
th
e
d
q
co
m
p
o
n
en
t
s
o
f
th
e
s
tato
r
cu
r
r
en
t,
f
a
m
p
lit
u
d
e
o
f
th
e
f
l
u
x
i
n
d
u
ce
d
b
y
t
h
e
p
er
m
an
e
n
t
m
a
g
n
et
s
o
f
th
e
r
o
to
r
in
th
e
s
tato
r
p
h
ases
,
p
n
u
m
b
er
o
f
p
o
le
p
air
s
,
j
co
m
b
in
ed
i
n
er
tia
o
f
r
o
to
r
an
d
lo
a
d
,
l
T
s
h
a
f
t
m
ec
h
a
n
ical
to
r
q
u
e
,
f
co
m
b
i
n
ed
v
i
s
co
u
s
f
r
ictio
n
o
f
r
o
to
r
an
d
lo
ad
,
an
g
u
lar
v
elo
ci
t
y
o
f
t
h
e
r
o
to
r
(
q
v
,
q
v
)
d
en
o
te
th
e
av
er
ag
ed
s
ta
to
r
v
o
ltag
e
i
n
dq
-
co
o
r
d
in
ate,
th
e
se
v
o
lt
a
g
e
s are
e
x
p
re
ss
e
d
in
f
u
n
c
ti
o
n
o
f
th
e
c
o
rre
sp
o
n
d
in
g
c
o
n
tro
l
a
c
ti
o
n
:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8
694
I
n
t J
P
o
w
E
lec
&
Dr
i
S
y
s
t
,
Vo
l.
9
,
No
.
2
,
J
u
n
e
2
0
1
8
:
766
–
774
768
T
dc
T
q
d
u
u
v
v
v
2
1
(
4
)
2
.
2
.
M
o
delin
g
t
he
I
nv
er
t
er
a
nd
F
ilte
r
Ass
o
cia
t
io
n
Af
ter
p
r
esen
tin
g
t
h
e
m
o
d
el
o
f
t
h
e
m
ac
h
i
n
e,
w
e
w
i
ll
ex
p
o
s
e
th
e
co
m
p
lete
d
r
i
v
e
s
y
s
te
m
w
h
er
e
th
e
co
n
tr
o
lled
in
v
er
ter
is
a
s
s
o
ciate
d
w
it
h
th
e
L
C
L
f
il
ter
co
n
n
ec
te
d
to
th
e
n
et
w
o
r
k
[
1
5
]
,
[1
6
]
:
dq
gdq
dq
dq
dq
x
M
v
L
x
L
x
L
r
x
4
2
2
5
2
4
2
2
4
1
1
(
5
)
dq
dq
dq
dq
x
M
C
x
C
x
C
x
5
5
6
5
1
1
(
6
)
dq
dq
dq
dq
dq
x
M
x
L
u
L
x
L
r
x
6
1
5
1
1
6
1
1
6
1
1
(
7
)
)
(
1
7
o
r
dc
i
i
C
x
(
8
)
w
h
er
e:
2
4
i
x
;
c
v
x
5
;
1
6
i
x
;
dc
v
x
7
:
x
an
av
er
ag
i
n
g
v
al
u
e
o
v
er
a
cu
ttin
g
p
er
io
d
o
f
a
r
ea
l sig
n
al
x
.
an
d
M
L
M
1
1
;
M
L
M
2
2
;
0
0
M
1
L
an
d
2
L
th
e
s
el
f
-
i
n
d
u
c
tan
ce
s
r
1
an
d
r
2
ar
e
its
p
ar
asit
ic
r
esis
tan
ce
s
,
(
d
i
1
,
q
i
1
)
,
(
d
i
2
,
q
i
2
)
ar
e
th
e
d
q
-
co
m
p
o
n
e
n
t
s
o
f
th
e
cu
r
r
en
t f
lo
w
i
n
g
t
h
e
i
n
d
u
cto
r
s
1
L
an
d
2
L
r
esp
ec
tiv
el
y
.
(
cd
v
,
cq
v
)
; (
gd
v
,
gq
v
)
,
(
od
v
,
oq
v
)
ar
e
th
e
d
q
-
co
m
p
o
n
e
n
t
s
o
f
th
e
ca
p
ac
ito
r
an
d
g
r
id
v
o
ltag
e
an
d
in
th
e
o
u
tp
u
t
o
f
in
v
er
te
r
r
esp
ec
tiv
el
y
.
T
h
e
in
v
er
ter
i
s
f
ea
t
u
r
ed
b
y
th
e
f
ac
t
th
at
t
h
e
g
r
id
d
-
an
d
q
-
v
o
lta
g
e
ca
n
b
e
co
n
tr
o
lled
in
d
ep
en
d
en
t
l
y
.
I
n
f
ac
t,
o
n
e
h
a
s
:
T
q
d
dc
T
oq
od
u
u
v
v
v
(
9
)
w
h
er
e:
d
u
,
q
u
r
ep
r
esen
t th
e
av
er
a
g
e
d
-
an
d
q
-
ax
i
s
o
f
t
h
e
3
-
p
h
a
s
e
d
u
t
y
r
atio
s
y
s
te
m
(
a
u
,
b
u
,
c
u
).
3.
DE
S
I
G
N
CO
NT
RO
L
3
.
1
Co
ntr
o
l
O
bje
ct
iv
es
I
n
th
i
s
w
o
r
k
,
w
e
ar
e
i
n
ter
est
ed
in
o
r
d
er
in
g
a
w
i
n
d
en
er
g
y
co
n
v
er
s
io
n
ch
ai
n
to
p
r
o
d
u
ce
elec
tr
ical
en
er
g
y
an
d
i
n
j
ec
t
it
in
to
t
h
e
g
r
id
.
T
o
ac
h
iev
e
th
is
o
b
j
ec
tiv
e,
th
e
b
ac
k
s
tep
p
in
g
ap
p
r
o
ac
h
ass
o
ciate
d
w
it
h
th
e
L
y
ap
u
n
o
v
to
o
ls
is
u
s
ed
to
g
u
a
r
an
tee
th
e
as
y
m
p
to
tic
s
tab
ilit
y
o
f
th
e
clo
s
ed
lo
o
p
s
y
s
te
m
.
Fr
o
m
a
co
n
tr
o
l
p
o
in
t
o
f
v
ie
w
,
th
i
s
is
ex
p
r
ess
ed
i
n
to
th
e
f
o
llo
w
in
g
th
r
ee
o
b
j
ec
t
iv
es:
i)
Sp
ee
d
co
n
tr
o
l:
Fo
r
ce
th
e
s
p
ee
d
o
f
th
e
g
en
er
ato
r
to
f
o
llo
w
a
r
ef
er
e
n
c
e
s
ig
n
al
v
ar
ies.
ii)
P
FC
:
t
h
e
cu
r
r
en
t
in
j
ec
ted
in
to
th
e
n
et
w
o
r
k
m
u
s
t
b
e
s
in
u
s
o
id
al
an
d
in
p
h
a
s
e
w
it
h
t
h
e
AC
s
u
p
p
l
y
v
o
lta
g
e.
iii)
C
o
n
tr
o
llin
g
t
h
e
v
o
ltag
e
dc
v
o
f
th
e
DC
b
u
s
v
o
lta
g
e
to
a
r
ef
er
en
ce
g
iv
e
n
d
c
r
e
f
v
.
T
h
is
is
u
s
u
all
y
s
et
to
a
co
n
s
tan
t v
al
u
e
eq
u
al
to
t
h
e
n
o
m
i
n
al
v
o
lta
g
e
o
f
t
h
e
in
v
er
ter
i
n
p
u
t.
3
.
2
R
eg
ula
t
o
r
D
esig
n f
o
r
Sy
nchro
no
us
G
ener
a
t
o
r
T
h
e
co
n
tr
o
l
s
tr
ateg
y
ad
o
p
ted
u
s
e
s
ca
s
ca
d
ed
lo
o
p
s
,
tw
o
in
te
r
n
al
lo
o
p
s
f
o
r
co
n
tr
o
llin
g
t
h
e
cu
r
r
en
ts
o
f
ax
is
d
an
d
q
an
d
a
n
e
x
ter
n
al
l
o
o
p
f
o
r
co
n
tr
o
llin
g
t
h
e
s
p
e
ed
o
f
t
h
e
g
en
er
ato
r
.
U
s
u
al
l
y
,
t
h
e
d
-
ax
i
s
c
u
r
r
en
t
m
u
s
t
b
e
r
eg
u
lated
to
ze
r
o
i
n
o
r
d
er
t
o
k
ee
p
th
e
f
lu
x
co
n
s
ta
n
t
i
n
th
e
air
g
ap
o
f
t
h
e
m
ac
h
in
e
[
1
7
].
T
h
e
q
-
ax
i
s
c
u
r
r
en
t
m
u
s
t
tr
ac
k
a
r
e
f
er
en
ce
s
i
g
n
al
f
r
o
m
t
h
e
ex
ter
n
al
s
p
ee
d
lo
o
p
[
1
8
]
.
T
o
s
o
lv
e
th
is
tr
ac
k
i
n
g
p
r
o
b
le
m
,
th
e
f
o
llo
w
i
n
g
er
r
o
r
s
ar
e
d
ef
in
ed
:
1
*
1
1
x
x
e
(
1
0
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
P
o
w
E
lec
&
Dr
i
S
y
s
t
I
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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4.
SI
M
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I
n
t J
P
o
w
E
lec
&
Dr
i
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y
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9
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w
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b
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[
2
3
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1
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(
5
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8)
.
B
ased
o
n
s
u
c
h
a
m
o
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L
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o
ller
d
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in
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b
y
eq
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s
(
19
,
20
,
27
,
28
)
.
th
e
later
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u
ar
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tees
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u
ite
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a
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u
ite
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s
f
ac
to
r
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ac
cu
r
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g
q
u
al
it
y
i
s
q
u
ite
s
atis
f
ac
t
o
r
y
as
t
h
e
r
esp
o
n
s
e
ti
m
e
i
s
s
m
all
a
f
ter
t
h
e
c
h
an
g
e
th
e
w
i
n
d
s
p
ee
d
,
th
e
c
u
r
r
en
t
i
n
j
ec
ted
in
to
th
e
n
et
w
o
r
k
r
e
m
ai
n
s
s
i
n
u
s
o
id
al
all
t
h
e
ti
m
e
an
d
in
p
h
a
s
e
w
i
th
t
h
e
v
o
ltag
e
o
f
th
e
n
e
t
w
o
r
k
co
m
p
l
y
in
g
w
ith
t
h
e
r
eq
u
ir
e
m
e
n
t
P
FC
.
,
th
e
co
n
ti
n
u
o
u
s
b
u
s
DC
-
li
n
k
f
o
llo
w
s
a
co
n
s
tan
t r
e
f
er
en
ce
v
al
u
e.
T
h
e
f
o
r
m
al
r
e
s
u
l
ts
ar
e
co
n
f
ir
m
ed
b
y
s
e
v
er
al
s
i
m
u
latio
n
s
.
RE
F
E
R
E
NC
E
S
[1
]
B
i
a
n
c
h
i
,
F
.
D
.
,
M
a
n
t
z
,
R
.
J.,
a
n
d
D
e
B
a
t
t
i
s
t
a
,
H
.
(
2
0
0
7
)
.
T
h
e
W
i
n
d
a
n
d
W
i
n
d
T
u
r
b
i
n
e
s.
S
p
r
i
n
g
e
r
.
[2
]
Ro
lan
,
A
.
,
L
u
n
a
,
A
.
,
V
a
z
q
u
e
z
,
G
.
,
A
g
u
il
a
r,
D.,
a
n
d
A
z
e
v
e
d
o
,
G
.
(2
0
0
9
).
M
o
d
e
l
in
g
o
f
a
v
a
riab
le
sp
e
e
d
w
in
d
t
u
rb
in
e
w
it
h
a
p
e
r
m
a
n
e
n
t
m
a
g
n
e
t
s
y
n
c
h
ro
n
o
u
s
g
e
n
e
ra
to
r.
In
2
0
0
9
IEE
E
In
t
e
rn
a
ti
o
n
a
l
S
y
m
p
o
siu
m
o
n
In
d
u
str
ial
El
e
c
tro
n
ics
,
734
–
7
3
9
.
IEE
E.
[3
]
Yin
,
M
.
,
L
i,
G
.
,
Zh
o
u
,
M
.
,
a
n
d
Zh
a
o
,
C.
(2
0
0
7
).
M
o
d
e
li
n
g
o
f
th
e
w
in
d
tu
rb
in
e
w
it
h
a
p
e
r
m
a
n
e
n
t
m
a
g
n
e
t
s
y
n
c
h
ro
n
o
u
s g
e
n
e
ra
to
r
f
o
r
i
n
teg
ra
ti
o
n
.
In
P
o
w
e
r
En
g
in
e
e
rin
g
S
o
c
iety
Ge
n
e
ra
l
M
e
e
ti
n
g
,
2
0
0
7
.
IEE
E,
1
–
6
.
IEE
E.
[4
]
Ka
rth
ik
ra
jan
S
e
n
th
il
n
a
th
a
n
,
K.
I
y
s
w
a
r
y
a
A
n
n
a
p
o
o
ra
n
i,
“
A
Re
v
iew
o
n
Ba
c
k
-
to
-
Ba
c
k
Co
n
v
e
rters
in
P
e
rm
a
n
e
n
t
M
a
g
n
e
t
S
y
n
c
h
ro
n
o
u
s
G
e
n
e
ra
to
r
b
a
se
d
W
in
d
En
e
rg
y
Co
n
v
e
rsi
o
n
S
y
ste
m
”
In
d
o
n
e
sia
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
En
g
i
n
e
e
rin
g
a
n
d
C
o
mp
u
ter
S
c
ien
c
e
V
o
l
2
,
No
3
:
Ju
n
e
2
0
1
6
[5
]
Be
ll
o
n
i,
F
.
,
Ch
i
u
m
e
o
,
R.
,
Ga
n
d
o
lf
i,
C.
,
a
n
d
V
il
la,
A
.
(2
0
1
4
)
.
“
S
imu
la
ti
o
n
mo
d
e
l
o
f
a
p
e
r
ma
n
e
n
t
ma
g
n
e
t
sy
n
c
h
ro
n
o
u
s
g
e
n
e
ra
to
r
f
o
r
g
ri
d
stu
d
ies
”
.
In
I
n
tern
a
ti
o
n
a
l
C
o
n
f
e
r
e
n
c
e
o
n
Re
n
e
w
a
b
le
En
e
rg
ies
a
n
d
P
o
w
e
r
Qu
a
li
ty
(ICREP
Q
1
4
)
.
[6
]
Ha
q
u
e
,
M
.
E
.
,
Ne
g
n
e
v
it
sk
y
,
M
.
,
a
n
d
M
u
tt
a
q
i
,
K.M
.
(
2
0
1
0
)
.
A
n
o
v
e
l
c
o
n
tro
l
stra
teg
y
f
o
r
a
v
a
ria
b
le
-
sp
e
e
d
w
in
d
tu
rb
i
n
e
w
it
h
a
p
e
rm
a
n
e
n
t
-
m
a
g
n
e
t
sy
n
c
h
ro
n
o
u
s
g
e
n
e
ra
to
r
.
IEE
E
tr
a
n
sa
c
ti
o
n
s
o
n
i
n
d
u
stry
a
p
p
li
c
a
ti
o
n
s,
4
6
(1
)
,
3
3
1
–
3
3
9
.
[7
]
Ca
m
a
ra
,
M
.
M
.
S
.
,
Ca
m
a
ra
,
M
.
B.
,
e
t
a
l.
M
o
d
é
li
sa
ti
o
n
e
t
c
o
m
m
a
n
d
e
d
’u
n
e
g
é
n
é
ra
tri
c
e
s
y
n
c
h
ro
n
e
à
a
i
m
a
n
t
p
e
rm
a
n
a
n
t
p
o
u
r
la p
r
o
d
u
c
ti
o
n
e
t
l’
in
jec
ti
o
n
d
e
s én
e
rg
ies
o
ffsh
o
re
s d
a
n
s
u
n
ré
se
a
u
.
In
S
y
m
p
o
siu
m
d
e
Gé
n
ie E
lec
tri
q
u
e
2
0
1
4
.
[8
]
Ke
c
h
ich
,
A
.
a
n
d
M
a
z
a
ri,
B.
(2
0
0
8
).
L
a
c
o
m
m
a
n
d
e
p
a
r
m
o
d
e
g
li
ss
a
n
t
:
A
p
p
li
c
a
ti
o
n
à
la
m
a
c
h
in
e
s
y
n
c
h
ro
n
e
`a
a
ima
n
ts
p
e
rm
a
n
e
n
ts
(a
p
p
ro
c
h
e
li
n
é
a
ire).
Af
riq
u
e
S
c
ien
c
e
,
4
(1
),
2
1
–
37.
[9
]
Din
g
,
Z.
,
W
e
i,
G
.
,
a
n
d
Din
g
,
X
.
(2
0
1
4
).
S
p
e
e
d
id
e
n
ti
f
ica
ti
o
n
a
n
d
c
o
n
tr
o
l
f
o
r
p
e
rm
a
n
e
n
t
m
a
g
n
e
t
s
y
n
c
h
ro
n
o
u
s
m
o
to
r
v
ia slid
in
g
m
o
d
e
a
p
p
ro
a
c
h
.
S
y
ste
ms
S
c
ien
c
e
&
Co
n
tro
l
E
n
g
i
n
e
e
rin
g
:
A
n
Op
e
n
A
c
c
e
ss
Jo
u
rn
a
l,
2
(
1
),
1
6
1
–
1
6
7
.
[1
0
]
A
i
m
e
n
e
,
M
.
,
P
a
y
m
a
n
,
A
.
,
a
n
d
Da
k
y
o
,
B.
(2
0
1
4
).
Co
m
m
a
n
d
e
p
a
r
p
latit
u
d
e
d
’u
n
sy
stè
m
e
d
e
c
o
n
v
e
rsio
n
d
’e
n
e
rg
ie
é
o
li
e
n
n
e
à
v
it
e
ss
e
v
a
ria
b
le co
n
n
e
c
tée
a
u
ré
se
a
u
.
In
S
y
m
p
o
siu
m
d
e
G´
e
n
ie E
lec
tri
q
u
e
2
0
1
4
.
[1
1
]
Krs
ti
c
,
M
.
,
Ka
n
e
ll
a
k
o
p
o
u
lo
s,
I
.
,
a
n
d
K
o
k
o
to
v
ic,
P
.
V.
(1
9
9
5
).
N
o
n
l
i
n
e
a
r
a
n
d
a
d
a
p
ti
v
e
c
o
n
tr
o
l
d
e
sig
n
.
W
il
e
y
.
[1
2
]
W
a
n
g
,
X
.
,
Yu
v
a
ra
jan
,
S
.
,
a
n
d
F
a
n
,
L
.
(2
0
1
0
).
M
p
p
t
c
o
n
tr
o
l
f
o
r
a
p
m
s
g
-
b
a
se
d
g
rid
-
ti
e
d
w
in
d
g
e
n
e
r
a
ti
o
n
sy
ste
m
.
In
No
rth
A
m
e
rica
n
P
o
w
e
r
S
y
m
p
o
siu
m
(N
A
P
S
),
2
0
1
0
,
1
–
7
.
IE
EE
.
[1
3
]
T
re
jo
s
-
G
risa
les
,
L
.
,
G
u
a
rn
izo
-
L
e
m
u
s,
C.
,
a
n
d
S
e
rn
a
,
S
.
(
2
0
1
4
)
.
Ov
e
ra
ll
d
e
sc
rip
ti
o
n
o
f
w
in
d
p
o
w
e
r
s
y
ste
m
s.
In
g
e
n
ier´
ıa
y
Cien
c
ia,
1
0
(1
9
)
,
9
9
–
1
2
6
.
[1
4
]
W
a
ll
m
a
r
k
,
O.
(2
0
0
4
).
O
n
c
o
n
tro
l
o
f
p
e
rm
a
n
e
n
t
-
m
a
g
n
e
t
s
y
n
c
h
ro
n
o
u
s m
o
to
rs i
n
h
y
b
rid
-
e
lec
tri
c
v
e
h
icle
a
p
p
li
c
a
ti
o
n
s.
[1
5
]
J.
Da
n
n
e
h
l,
C.
W
e
ss
e
ls,
a
n
d
F
.
W
.
F
u
c
h
s,
L
i
m
it
a
ti
o
n
s
o
f
V
o
lt
a
g
e
-
Orie
n
ted
P
I
Cu
rre
n
t
Co
n
tr
o
l
o
f
G
rid
-
Co
n
n
e
c
ted
P
W
M
Re
c
ti
f
iers
W
it
h
L
C
L
F
il
ters
,
IEE
E
T
r
a
n
s
a
c
ti
o
n
s On
I
n
d
u
stri
a
l
El
e
c
tro
n
ics
,
V
o
l
.
5
6
,
N
o
.
2
,
F
e
b
ru
a
ry
2
0
0
9
.
[1
6
]
Y.
Bo
u
ss
a
iri
,
A
.
A
b
o
u
lo
if
a
,
A
.
Ha
m
d
o
u
n
,
a
n
d
C.
A
o
u
a
d
i,
Ba
c
k
se
te
p
p
i
n
g
Co
n
tro
ll
e
r
o
f
G
rid
Co
n
n
e
c
ted
W
in
d
E
n
e
rg
y
Co
n
v
e
rsio
n
S
y
ste
m
w
it
h
P
o
w
e
r
F
a
c
to
r
Co
rre
c
ti
o
n
,
I
n
ter
n
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
Co
m
p
u
ter
a
n
d
I
n
fo
rm
a
ti
o
n
T
e
c
h
n
o
l
o
g
y
(IS
S
N:
2
2
7
9
0
7
6
4
)
Vo
lu
m
e
0
3
Is
su
e
0
5
,
S
e
p
tem
b
e
r
2
0
1
4
[1
7
]
El
M
a
g
ri,
A
.
,
G
iri
,
F
.
,
A
b
o
u
lo
if
a
,
A
.
,
a
n
d
Ch
a
o
u
i,
F
.
Z
.
(2
0
1
0
).
Ro
b
u
st
c
o
n
tro
l
o
f
sy
n
c
h
ro
n
o
u
s
m
o
to
r
th
r
o
u
g
h
a
c
/d
c
/ac
c
o
n
v
e
rters
.
Co
n
tro
l
En
g
i
n
e
e
rin
g
P
ra
c
ti
c
e
,
1
8
(
5
),
5
4
0
–
5
5
3
.
[1
8
]
M
.
P
a
h
lev
a
n
in
e
z
h
a
d
,
S
.
Eren
,
A
.
Ba
k
h
sh
a
i,
P
.
Ja
i
n
,
M
a
x
im
u
m
P
o
w
e
r
P
o
i
n
t
T
ra
c
k
in
g
o
f
a
W
in
d
En
e
rg
y
Co
n
v
e
rsio
n
S
y
st
e
m
Us
in
g
A
d
a
p
ti
v
e
No
n
li
n
e
a
r
A
p
p
ro
a
c
h
Co
n
tro
l
E
n
g
in
e
e
rin
g
P
ra
c
ti
c
e
1
8
(2
0
1
0
)
5
4
0
5
5
3
.
[1
9
]
Ha
sif
A
z
iri
,
F
iza
tu
l
A
in
i
P
a
tak
o
r,
M
a
riza
n
S
u
laim
a
n
,
Zu
l
h
isy
a
m
S
a
ll
e
h
,
“
Co
m
p
a
riso
n
P
e
rf
o
rm
a
n
c
e
s
o
f
In
d
irec
t
F
ield
Orie
n
ted
Co
n
tro
l
f
o
r
T
h
re
e
-
P
h
a
se
In
d
u
c
ti
o
n
M
o
to
r
Driv
e
s”
In
ter
n
a
t
io
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Po
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r
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c
tro
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ics
a
n
d
Dr
ive
S
y
ste
ms
V
o
l
8
,
No
4
:
De
c
e
m
b
e
r
2
0
1
7
[2
0
]
Ku
ro
e
Y.,
K.
Ok
a
m
u
ra
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H.
Nish
id
a
i,
a
n
d
T
.
M
a
ru
h
a
sh
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9
8
).
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m
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b
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riza
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ter
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Va
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p
p
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2
8
–
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3
1
.
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1
]
P
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rh
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n
O.,
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P
y
rh
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n
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a
n
d
J.
Ka
u
k
o
n
e
n
,
(1
9
9
8
)
.
“
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DTC
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tern
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9
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im
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p
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2
9
8
.
[2
2
]
L
a
rb
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’h
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d
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h
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ra
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i
Zak
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ria
,
Do
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r
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ired
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Ro
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ter
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o
f
Po
we
r
El
e
c
tro
n
ics
a
n
d
Dr
ive
S
y
ste
ms
,
V
o
l
8
,
No
3
:
S
e
p
tem
b
e
r
2
0
1
7
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
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8
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t J
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2
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u
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:
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774
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Ja
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l
8
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No
4
:
De
c
e
m
b
e
r
2
0
1
7
B
I
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RAP
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RS
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Evaluation Warning : The document was created with Spire.PDF for Python.