In
te
r
n
ation
a
l Jou
rn
al
o
f Po
we
r
Elec
tron
ic
s an
d
D
r
ive S
y
stem
(IJ
PED
S
)
V
o
l.
10, N
o.
2, June
2
01
9, pp.
971~
9
8
6
IS
S
N
: 2088-
86
94,
D
O
I
:
10.11
59
1
/ij
ped
s
.
v10
.
i
2.pp
9
71-
98
6
971
Jou
rn
a
l
h
o
me
pa
ge
:
ht
tp:
//i
a
e
score
.
com
/
j
o
u
r
na
l
s
/
i
n
d
e
x
.
p
hp/IJ
PED
S
Ha
rdware-in-the-loop
simulator o
f w
i
nd turbi
ne em
u
lator using
labview
Hi
m
a
ni,
Na
v
n
eet Sha
rma
Dep
a
rt
m
e
nt of Elect
ron
i
cs
a
nd
Co
mmu
n
i
c
a
tio
n,
A
BES
En
gin
e
e
r
in
g C
ollege,
India
Art
i
cl
e In
fo
ABSTRACT
A
r
tic
le hist
o
r
y
:
R
e
c
e
i
v
e
d
Oct
1
0
,
2
018
Re
vise
d O
c
t
2
7
,
2018
Ac
ce
p
t
ed
M
ar 1
, 2
0
19
Th
is
p
ap
er
d
escr
ib
es
t
he
d
esi
g
n
a
n
d
i
m
p
l
emen
ta
t
i
o
n
o
f
H
a
rd
ware
in
t
he
L
oo
p
(HIL
)
syst
e
m
D
.
C
.
m
o
t
o
r
based
wi
nd
t
urbi
ne
e
mula
t
o
r
f
o
r
t
h
e
con
dit
i
o
n
mo
ni
to
r
i
ng
o
f
wind
t
u
r
b
i
ne
s.
O
p
e
ra
ting
t
h
e
H
IL
s
y
s
te
m
,
it
is
f
e
a
s
ib
le
t
o
repl
icate
the
act
ua
l
operati
v
e
c
o
nditions
o
f
wi
nd
t
urb
i
nes
in
a
l
abo
r
a
t
ory
env
i
ro
nm
ent.
T
his
met
h
o
d
s
im
p
l
y
an
d
cos
t
-eff
ecti
v
el
y
all
o
ws
eva
l
u
ating
the
so
ftw
a
re
a
nd
h
a
rdw
a
re
c
on
tro
lli
ng
th
e
op
eration
of
t
he
g
enerato
r.
T
hi
s
sy
st
e
m
h
as
b
een
i
mp
le
m
e
n
t
ed
i
n
t
h
e
Lab
V
IEW
bas
e
d
p
r
ogram
s
by
us
in
g
Ad
van
t
ech-
USB-47
04
-AE
Da
ta
acqui
siti
on card.
T
h
i
s
paper
desc
ri
bes
all
th
e
c
o
m
p
o
n
e
n
t
s
o
f
t
h
e
s
y
s
t
e
m
s
a
n
d
t
h
e
i
r
o
p
e
r
a
t
i
o
n
s
a
l
o
n
g
w
i
t
h
t
h
e
c
ont
rol
st
rateg
i
es
o
f
WTE
su
ch
a
s
Pi
tch
co
nt
rol
an
d
M
P
P
T
.
Exp
e
rim
e
n
t
al
res
u
lts
o
f
the
devel
o
ped
simula
t
o
r
using
th
e
tes
t
r
ig
a
re
b
en
chm
a
rked
w
it
h
t
h
e
prev
io
usl
y
v
erif
ied
WT
t
est
rigs
d
ev
elo
p
ed
a
t
th
e
Du
rham
U
n
i
ver
si
ty
a
nd
t
he
Un
iv
ersit
y
o
f
Man
c
hest
er
i
n
t
h
e
UK by
usin
g
the generat
e
d
cu
rre
n
t
s
p
e
c
t
r
a
o
f
th
e
generat
o
r.
E
lectri
c
su
bass
em
blies
are
m
o
s
t
v
uln
e
rabl
e
to
d
a
ma
g
e
i
n
pract
ice,
g
en
era
t
or-win
di
ng
f
a
ult
s
h
av
e
b
een
i
n
t
rod
u
ced
a
n
d
i
n
v
esti
ga
ted
using
t
h
e
terminal
v
oltage.
This
w
in
d
tu
r
b
in
e
s
i
mul
a
to
r
c
a
n
b
e
analy
zed
o
r
re
c
o
nfig
ure
d
f
or
t
h
e
c
on
ditio
n
m
o
n
ito
r
in
g
with
ou
t
th
e
re
qu
ire
m
e
n
t
o
f
ac
t
u
al
WT
’
s
.
K
eyw
ord
s
:
D
C
m
ot
or
Har
d
ware In
t
h
e Lo
op
LabVI
E
W
Wi
n
d
tur
bi
ne
e
m
u
l
a
tor
(WTE
)
W
i
nd
Tu
r
bi
ne
(W
T)
Co
pyri
gh
t © 2
019 In
stit
u
t
e
of Advanced
En
gi
neeri
n
g
an
d
S
c
ien
ce.
All
rights
res
e
rv
ed.
Corres
pon
d
i
n
g
Au
th
or:
Hi
man
i
,
D
e
pa
rtem
ent o
f
E
lectr
o
n
i
c
s
a
nd
Com
m
un
ica
t
i
o
n En
gi
nee
r
i
ng,
ABES College
o
f Engineer
ing, G
h
a
ziaba
d
,
I
n
di
a.
Em
ail:
hi
m
a
n
i
.ga
r
g@a
b
e
s
.ac
.
i
n
1.
I
N
TR
OD
U
C
TI
O
N
O
v
e
r
t
h
e
d
e
c
a
d
e
s
,
t
h
e
w
i
n
d
t
u
r
b
i
n
e
s
(
W
T
)
b
e
c
a
m
e
t
h
e
s
w
i
f
t
e
s
t
e
v
o
l
vi
ng
r
en
ewa
b
l
e
e
n
e
rgy
tech
n
o
l
o
gy. T
h
e
c
o
n
t
r
ol
o
f the
WT
b
ec
om
es i
mporta
nt
w
ith
t
he
i
n
c
r
ea
se
i
n t
h
e p
o
w
e
r
l
e
v
el
o
f th
e
t
u
rb
in
es.
To
ac
hi
e
v
e
h
i
g
h
p
erfor
m
a
n
ce
an
d
h
i
gh
e
ffic
ie
n
c
y
i
n
p
ower
s
y
s
tem
s
,
P
o
w
e
r
e
l
ectr
o
n
i
c
p
l
ay
s
a
v
i
ta
l
r
o
le
i
n
w
i
nd
pow
er
s
yste
ms
[1-
2
].
O
pera
tio
nal
an
d
m
a
i
n
te
nanc
e
c
o
st
a
re
t
he
m
o
s
t
i
mp
orta
nt
f
ac
t
o
r
s
f
or
t
he
t
ec
hn
o
l
og
ica
l
pro
g
re
ss
o
f
t
h
e
w
i
nd
t
u
r
b
ine
(
WT)
sys
t
em
s
[3].
F
igure
1
prese
n
t
s
t
he
f
a
i
l
u
re
r
ate
of
w
ind
turb
ine
com
p
o
n
e
n
ts
[4].
T
he
r
e
p
a
i
r
an
d
ma
i
n
te
nance
o
f
t
he
W
T
e
l
ec
tric
a
l
c
om
p
o
ne
nts
c
a
n
b
e
very
c
os
tl
y
i
f
t
he
f
au
l
t
s
l
i
e unn
oti
ced
[
1
]
.
I
n
t
e
r-turn
s
hor
t
c
i
rc
u
it
fa
ults
i
n
t
h
e
st
at
or
a
cc
ou
n
t
s
for
a
su
b
s
ta
ntia
l
per
c
enta
ge
o
f
a
l
l
the
p
o
ssi
ble
fa
ul
ts
o
c
c
u
rre
d
in w
ind tur
b
in
e
ge
nera
tor
[4-
6
]. In a very shor
t t
i
m
e
,
dis
a
s
t
r
ous
dam
age
to
the m
a
c
h
i
ne c
an be
ca
use
d
[
4-
7].
There
f
ore
fa
ult
sh
o
u
l
d
b
e
q
u
i
c
kl
y
de
tec
t
ed
u
s
i
n
g
th
e
c
o
ndi
tio
n
mo
ni
to
ri
ng
.
Th
e
e
v
alu
a
ti
on
of
the
fa
u
lt
d
i
a
g
n
o
s
i
s
p
r
oce
ss
o
n
t
he
a
ct
ua
l
w
i
nd
tur
b
ine
ma
y
dam
a
ge
t
h
e
c
om
pl
e
t
e
s
y
s
t
e
m
.
There
f
ore
,
f
or
C
M
eva
l
ua
tio
n,
w
i
nd
tur
b
i
n
e
t
e
st
r
ig
i
s
r
e
q
u
ire
d
t
o
em
ula
t
e
w
i
n
d
e
ne
r
gy
c
o
nv
er
sio
n
s
yste
ms
[
7-8]
.
In
t
he
m
o
s
t
of
the
ea
r
l
ie
r
rese
arc
h
,
test
r
igs
are
con
t
rol
l
e
d
by
ae
r
o
d
y
n
am
i
c
f
orc
e
s
u
s
i
n
g
w
i
nd
t
u
rb
i
n
e
e
m
ulat
or
[
9-1
1
],
s
pe
ed
c
o
nt
rol
by
PL
C
[
12
], an
a
l
o
g
i
npu
ts
[
13
] a
n
d w
i
n
d
t
u
nn
e
l
[
14
].
F
o
r
a
gi
ven
w
i
n
d
v
el
oc
i
t
y,
w
in
d
t
u
rb
i
n
e
em
ul
a
t
or
(
WT
E)
g
e
n
era
t
e
s
s
a
m
e
e
nergy
a
nd
t
o
rq
ue
a
s
gene
ra
ted
b
y
a
c
t
ua
l
WT
[
7-8]
.
The
WTE
c
o
nsists
o
f
t
w
o
m
e
c
h
ani
c
a
ll
y
c
o
u
p
l
ed
e
lec
t
r
i
c
a
l
m
ach
i
n
es,
w
ith
t
he
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N: 2
0
8
8
-
86
94
I
n
t
J Po
w
Elec
&
Dr
i
Sy
st,
Vo
l. 1
0
,
No
. 2
,
Ju
n
e
2
019
:
9
7
1
–
9
86
97
2
w
i
n
d
t
or
q
u
e
i
s
i
mita
te
d
b
y
t
he
m
ot
o
r
a
n
d
o
t
h
er
m
ac
hine
s
c
a
n
be
use
d
a
s
ge
ner
a
t
o
r
M1
i
m
i
ta
tin
g,
a
nd
M
2
sta
nd-
i
n
a
s
a
gene
r
a
t
o
r
[7-
9
]
.
F
o
r
the
gr
ow
th
o
f
w
i
n
d
e
ner
g
y
c
o
n
v
e
r
sio
n
s
ys
t
e
m
s
(
WE
C
S
)
,
H
I
L
(
H
ar
dw
a
r
e
-
i
n
-
t
he
-
L
o
o
p
)
sim
u
la
ti
on
i
s
an
e
sse
n
t
i
a
l
k
it.
T
he
c
o
n
ce
pt
o
f
a
har
d
w
a
r
e
-
i
n-
t
h
e-
l
o
o
p
s
imula
t
i
on
sys
t
e
m
i
s
t
o
r
e
p
la
ce
t
he
ph
ys
ica
l
s
ys
te
m
s
w
ith
t
he
s
im
ul
a
t
ion
pla
t
f
o
r
m
.
Thr
ough
a
n
in
ter
fa
ce
,
t
h
i
s
p
l
a
t
f
o
r
m
mak
e
s
a
c
l
o
s
ed
l
oop
sys
t
em
w
it
h
th
e
rea
l
d
e
v
ice
s
.
With
ou
t
the
n
e
e
d
o
f
re
al
w
i
nd
t
u
r
bi
n
e
o
r
n
a
tu
ra
l
w
i
nd
r
e
s
ou
rce
s
,
t
h
i
s
s
y
s
t
e
m
r
e
pr
od
uce
s
t
he
W
T
char
ac
ter
i
st
ics
b
o
t
h
s
t
ea
dy
s
t
a
t
e
a
n
d
d
yna
mic
f
ea
ture
s
in
a
c
o
o
r
d
ina
t
e
d
e
n
v
ir
onme
n
t
.
T
he
e
m
ulat
or
d
r
i
ve
s
a
n
e
l
e
ctr
i
ca
l
gene
r
a
tor
like
WT,
by
r
e
pl
ic
ati
n
g
t
he
t
or
que
s
e
t
t
l
ed
by
a
WT.
A
l
so,
i
t
c
an
b
e
de
ve
l
ope
d
a
s
a
n
educ
a
t
i
o
na
l
too
l
t
o
ill
us
tr
ate
t
h
e
ope
r
a
ti
o
n
,
b
e
h
a
v
ior
,
a
nd
con
t
r
o
l
of
a
W
T
[
15-
2
2
]
.
The
pr
i
n
c
i
pa
l
obje
c
t
i
ve
o
f
th
is
r
esea
r
c
h
paper
is
t
he
d
e
v
e
l
o
p
me
n
t
o
f
H
I
L
s
i
mula
t
o
r
for
th
e
de
ve
l
opme
n
t
o
f
t
es
t
r
i
g.
T
he
r
e
a
l-
t
i
me
H
I
L
s
im
u
l
a
t
or
f
or
c
o
n
t
r
o
l
and
mo
nit
o
r
i
ng
t
h
e
t
e
s
t
r
i
gs
a
re
d
e
v
e
l
op
ed
i
n
the
La
bV
I
E
W
w
h
ic
h
c
o
nt
r
o
l
t
h
e
pr
im
e
m
o
v
e
r
as
p
er
W
T
n
o
r
m
s
a
n
d
f
o
l
l
o
w
s
t
he
s
pee
d
-
t
or
q
u
e
fe
a
t
ur
es
o
f
t
h
e
WT.
T
h
i
s
o
u
t
put
o
f
the
tes
t
r
i
g
i
s
benc
hma
r
ked
w
i
t
h
t
he
p
r
ove
n
t
es
t
r
i
g
s
[
1
8
-
21]
b
y
an
a
l
yz
ing
t
h
e
ge
ner
a
te
d
c
u
r
r
e
nt
s
pe
c
t
r
a
.
With
H
I
L
s
i
m
ul
a
t
or
,
shor
t
cir
c
ui
t
f
a
u
l
t
has
be
e
n
a
nal
y
ze
d
i
n
t
he
t
e
s
t
r
i
g
us
ing
th
e
F
F
T
an
a
l
y
s
i
s
.
F
i
gur
e
1.
W
T
D
i
str
i
b
u
t
i
on
o
f
f
ailur
e
s
da
t
a
2.
WIND
T
U
R
B
INE EMULA
T
OR
M
ODEL
To
i
m
ita
t
e
t
he
w
in
d
t
u
rb
ine,
t
he
t
e
s
t-r
i
g
wa
s
with
t
he
s
pe
c
i
f
i
c
a
t
i
o
ns
a
s
me
nt
i
o
ned
in
T
ab
le
1
.
The
bl
oc
k
di
a
g
r
a
m
and
e
x
per
i
m
e
n
t
al
s
e
t
u
p
o
f
the
test
r
ig
a
r
e
i
l
l
u
s
t
r
a
te
d
in
F
i
g
ur
e
2
and
F
i
gur
e
3
[1
9,
23-
2
4
]
.
Ta
ble
1.
P
a
r
a
me
t
e
r
s
o
f
w
i
n
d
t
ur
b
i
ne
S
p
eci
f
i
cat
i
o
n
s
V
al
u
e
Ra
t
e
d
powe
r
800
Wa
tts
Ra
t
e
d w
i
nd
Spe
e
d
7
.
5
m
/s
e
c
Ra
dius
o
f
WT
1
.
5
m
Powe
r c
o
e
f
fic
i
e
n
t
0.
49
WT
i
ne
rti
a
c
o
e
f
f
i
c
i
e
n
t
(
m
i
n-
m
a
x)
0
.
08
kgm
2-
0.
18
kg
m
2
Optim
u
m
pow
e
r
c
oe
ffic
i
e
n
t
(β
=
0
⁰
)
0
.
412
Optim
u
m
T
S
R
(
β
=
0⁰
)
8
Ge
n
e
r
a
tor ty
p
e
S
C
I
G
Drive
t
r
a
in
D
irec
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
P
o
w
Elec
&
D
r
i
S
y
st
I
S
S
N
:
2088-
86
94
H
a
rd
w
a
re-
i
n-
t
h
e-
loo
p
si
m
u
l
a
to
r
of
w
i
nd t
u
rbi
n
e em
ul
a
t
o
r
us
i
n
g labv
ie
w
(
H
im
an
i)
97
3
F
i
gur
e
2.
E
xpe
r
i
m
e
nta
l
s
et
up-
Bloc
k
d
i
agr
a
m
F
i
gur
e
3.
A
ctu
a
l
Ex
pe
r
i
me
n
t
a
l
s
et
up
3.
WIND
T
U
R
B
INE AERODYNAMI
C
M
ODEL
The
a
c
c
e
ssib
l
e
w
i
nd
pow
er
o
f
a
WT
w
it
h
l
e
ng
th
L
,
r
a
diu
s
R
,
,
a
i
r
densi
t
y
ρ
,
s
w
e
p
t
a
r
e
a
A
,
p
o
w
e
r
c
o
e
f
f
i
ci
en
t
C
a
n
d
wi
n
d
s
p
eed
v
i
s
gi
ven
b
y
[
9
,
1
7-
1
9
]
:
P
1
2
ρ
v
C
A
(
1
)
P
o
wer
c
o
effi
c
i
ent
i
s
t
he
f
u
n
ct
io
n
o
f
tip
s
pee
d
r
ati
o
(
λ)
w
it
h
ω
i
s
the
ro
tor
ang
u
l
ar
v
e
l
oc
it
y
,
w
hi
c
h
i
s
spec
ified a
s
λ
R
ω
/
v
(
2
)
C
-
λ
r
elatio
ns
h
i
p
ar
e
pr
e
s
ented
in
F
igur
e
4
[
1
1]
.
F
i
gur
e
4.
P
ow
e
r
C
o-
eff
i
c
i
e
n
t
and
T
i
p
spee
d
r
a
t
i
o
char
acter
i
s
tic
s of a
W
T
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N: 2
0
8
8
-
86
94
I
n
t
J Po
w
Elec
&
Dr
i
Sy
st,
Vo
l. 1
0
,
No
. 2
,
Ju
n
e
2
019
:
9
7
1
–
9
86
97
4
The
n
u
m
e
r
i
ca
l
appr
oxim
a
t
i
o
n
o
f
t
h
e
p
o
w
e
r
coef
f
i
c
i
e
n
t
c
a
n
be
c
om
pu
te
d
a
s
[
11-
1
4
]
:
C
p
λ
,
β
C
1
C2
λi
C
4
C
3
β
e
C
5
λi
C
6
λ
(
3
)
The
m
e
c
h
an
ic
al
t
orqu
e
pro
duce
d
c
an
b
e
c
o
mpu
t
e
d
f
r
o
m
the
sh
a
f
t
s
pe
ed
a
n
d
W
T
pow
er
a
nd
as
gi
ve
n
by
[
1
1-
1
4
]
:
T
win
d
1
2λ
ρπ
v
2
R
3
C
p
(
4
)
The
WT
d
yna
m
i
c
m
odel
can
b
e
i
l
l
u
s
t
r
a
te
d
a
s
J
r
dω
r
dt
T
wi
n
d
-
T
ge
n
T
rf
(
5
)
Where
T
-
t
h
e g
e
n
e
rato
r
to
rqu
e
,
T
-
th
e
ro
to
r friction
to
rqu
e
,
J
-
t
he
e
qu
a
l
ing
i
n
te
r
i
a
of
t
he
r
ot
or
.
4.
HARDWARE-IN-
T
H
E-LOOP (HIL) S
Y
S
TEM
G
r
a
phi
c
a
l
ill
us
tr
at
io
n
of
t
h
e
W
T
a
nd
H
I
L
sys
t
em
s
ar
e
pr
ese
n
te
d
i
n
t
h
e
F
i
g
u
r
e
5
.
T
h
e
H
I
L
s
y
s
t
e
m
i
s
m
a
de
t
o
e
q
ui
p
p
ed
w
it
h
22
0
V
,
1
.
5
k
W
i
n
d
u
ct
i
on
ma
ch
i
n
e
a
s
t
he
p
r
im
e
m
over
,
a
2
.
5
k
W
se
pa
r
a
te
ly
e
xci
t
e
d
D
.
C
m
o
t
o
r
.
F
or
d
ata
a
c
q
uisi
t
i
on
c
a
r
d,
A
dva
nte
c
h
4
70
4 is u
sed
as
a
n
i
n
terf
ace
b
e
t
ween ha
r
d
w
are
a
nd
s
o
ftwar
e
(
L
ab
VIEW).
F
i
gur
e
5.
(
a)
R
e
p
r
e
se
nta
t
i
o
n
o
f
W
T
syste
m
s,
(
b)
H
I
L
s
imulator
s
yste
m
F
i
gur
e
5
(
a
)
[1
5-
1
6
]
pr
esent
s
t
he
d
y
n
a
m
ics
o
f
t
he
W
T
s
y
st
e
m
.
Th
e
si
m
i
l
a
r
dy
nam
i
c
be
ha
v
i
or
c
an
b
e
i
m
i
t
at
ed
b
y
t
h
e
H
I
L
s
y
s
t
e
m
:
J
m
dω
m
dt
T
m
-
T
loa
d
(6
)
Where
J
is
t
he
c
or
r
e
spon
di
n
g
i
ne
r
t
ia
a
t
t
h
e
m
o
t
o
r
side
,
T
i
s
the
mo
t
o
r
to
rqu
e
,
ω
i
s
th
e
rot
a
tion
a
l
sp
eed
o
f
the
mot
o
r
shaft
,
a
nd
t
h
e
to
ta
l l
o
ad
t
or
q
u
e,
T
is
spec
i
f
ied as:
T
loa
d
T
ge
n
τ
T
hf
(7
)
Where
τ
is
t
he
g
ea
r
r
a
tio,
T
i
s
the
t
o
r
q
ue
o
f
t
h
e
gener
a
tor
,
a
nd
T
i
s
t
h
e
frictio
n
to
rqu
e
.
Th
e
ro
tation
a
l
spee
d
of
t
he
g
e
n
er
a
t
or
,
ω
,
i
s
li
n
k
ed
t
o
the
m
o
t
o
r
spee
d
b
y
(
8)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
P
o
w
Elec
&
D
r
i
S
y
st
I
S
S
N
:
2088-
86
94
H
a
rd
w
a
re-
i
n-
t
h
e-
loo
p
si
m
u
l
a
to
r
of
w
i
nd t
u
rbi
n
e em
ul
a
t
o
r
us
i
n
g labv
ie
w
(
H
im
an
i)
97
5
ω
ge
n
ω
m
τ
(8
)
Wit
h
t
he
a
ss
u
m
pt
i
o
n
t
h
a
t
t
h
e
g
e
n
er
a
t
or
i
s
dir
e
c
tly
c
ou
ple
d
t
o
t
he
r
o
t
or
a
nd
t
h
e
WT
w
i
t
h
no
gear
b
o
x
,
t
he
r
o
t
a
t
i
o
n
al
s
pe
e
d
o
f
t
h
e
r
o
t
o
r
w
o
u
l
d
be
s
im
i
l
ar
t
o
a
s
t
he
r
ota
t
i
o
n
a
l
s
peed
o
f
the
ge
ne
r
a
t
o
r
in
t
he
H
I
L
s
yst
e
m
a
s
:
ω
ω
(9
)
T
h
e
p
e
rfo
rma
n
ce
o
f
th
e
WT
s
y
s
t
e
m,
w
i
t
h
t
h
e
su
it
ab
l
e
m
ot
or
t
o
r
q
u
e
T
,
c
a
n
be
i
m
i
t
a
t
e
d
b
y
the
H
I
L
s
im
ul
a
t
or
.
F
r
o
m
th
e
(
4
)-(8
) th
e ref
e
r
e
n
ce to
rqu
e
i
n
th
e simul
a
to
r can
b
e
c
ompu
te
d
as:
T
m
T
loa
d
J
m
τ
J
w
T
win
d
T
rf
T
gen
(
10)
The
re
prese
n
ta
t
i
o
n
of t
h
e
HIL
system
a
nd W
T
syst
e
m
ar
e p
r
esente
d
in
Figu
re 6
w
h
e
re f
o
r
imitating
th
e
r
o
t
o
r
dy
na
mics,
the
motor
i
s
u
se
d
a
s
a
n
actua
t
o
r
.
F
i
gur
e
6.
R
e
p
r
e
sen
t
at
i
on
o
f
t
he
H
I
L
S
yst
e
m,
W
T
dynam
i
cs
,
and
r
e
feren
ce
mo
to
r
to
rqu
e
calculation
5.
T
H
E
C
O
NT
RO
L
A
L
G
O
R
IT
H
M
To
c
a
l
cu
la
te
t
h
e
f
r
e
que
nc
y
o
f
w
in
d
spe
e
d
i
n
the
v
a
r
i
ou
s
r
a
ng
e
s
,
t
h
e
s
u
b
p
r
o
g
r
a
m
w
a
s
d
e
v
e
l
o
p
e
d
a
s
show
n
in
F
i
g
u
r
e
7
.
T
o c
a
lc
ula
t
e
t
h
e
va
l
u
e o
f
t
he
p
ow
er
c
r
e
a
t
ed
b
y
t
he
W
T
as de
s
cr
i
b
ed
i
n
(
1
)
,
the
s
ub
pr
o
g
r
a
m
is sho
wn
i
n
Figu
re
8
.
Fi
g
u
r
e
7
.
A su
b
p
r
o
g
r
a
m
p
ro
du
c
i
ng
t
h
e
wi
n
d sp
e
e
d
v
a
r
i
a
b
ilit
y
in
LabVI
E
W
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N: 2
0
8
8
-
86
94
I
n
t
J Po
w
Elec
&
Dr
i
Sy
st,
Vo
l. 1
0
,
No
. 2
,
Ju
n
e
2
019
:
9
7
1
–
9
86
97
6
F
i
gur
e
8.
A
s
u
bpr
ogr
am
m
easur
ing
t
h
e
p
o
w
e
r
pr
oduce
d
b
y
the
w
i
n
d
t
ur
bine
i
n
La
bV
I
E
W
The
pow
er
c
o
e
f
f
i
cie
n
t
as
d
e
f
i
n
e
d
i
n
the
e
qua
t
i
o
n
(
3)
,
t
h
e
V
I
a
s
s
h
o
w
n
i
n
F
i
gur
e
9,
w
hi
c
h
i
s
interface
d
w
i
th
t
h
e
t
est
r
i
g
usi
ng
DAQ
was
d
e
v
e
lo
p
e
d
in
t
h
e
L
ab
V
I
E
W
.
T
h
e
V
I
b
l
o
c
k
a
s
p
r
e
s
e
n
t
e
d
i
n
t
h
e
Fi
g
u
re
1
0
fil
t
ers
th
e
h
i
gh
h
a
r
mo
n
i
c
c
ont
e
n
t
s
i
n
t
h
e
rea
l
-ti
m
e
c
u
r
r
e
n
t
s
i
g
n
a
l
.
T
h
e
P
I
c
o
n
t
r
o
l
i
s
i
m
p
l
e
m
e
n
t
e
d
i
n
the
La
bV
I
E
W.
P
I
c
ont
r
o
lle
r
tune
s
t
h
e
e
r
r
o
r
in
t
he
c
ur
r
e
nt
by
c
o
mp
aring
th
e
referen
ce
c
u
rren
t
w
ith
t
h
e
actu
a
l
cu
rren
t
.
Th
e PI with
a ref
er
ence
poi
n
t
c
on
tr
o
l
a
s:
u
t
K
e
t
K
e
t
dt
(
11)
Where
:
u
t
i
s
ac
t
u
a
t
i
n
g
si
gna
l
K
p
is pro
por
ti
o
n
al
g
a
i
n
K
i
is in
tegr
al
g
ai
n
e
t
is
e
r
r
or
s
igna
l
The
La
pla
ce
tr
ansf
or
m
of
t
he
a
c
t
ua
ti
ng
si
g
n
a
l
i
n
t
e
g
r
a
t
i
ng
i
n
p
r
o
por
t
i
ona
l
p
l
us
i
nte
g
r
a
l
co
n
t
r
o
l
is
U
s
K
K
E
s
(
12)
The
PI
c
on
tro
l
o
f
D
.
C
Mo
t
o
r
sys
t
em
w
it
h
t
h
e
cl
ose
d
l
oo
p
syste
m
is
p
r
e
se
n
t
ed
i
n
F
i
g
u
r
e
10.
B
ot
h
r
e
fe
r
e
nc
e cur
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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t
J
P
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w
Elec
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sea
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ch
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re
r
est
r
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to
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bl
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s
p
eed
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N: 2
0
8
8
-
86
94
I
n
t
J Po
w
Elec
&
Dr
i
Sy
st,
Vo
l. 1
0
,
No
. 2
,
Ju
n
e
2
019
:
9
7
1
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9
86
97
8
dr
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
P
o
w
Elec
&
D
r
i
S
y
st
I
S
S
N
:
2088-
86
94
H
a
rd
w
a
re-
i
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t
h
e-
loo
p
si
m
u
l
a
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(
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F
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igur
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1
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18.
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1
5
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Con
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gur
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1
6
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B
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m
a
Evaluation Warning : The document was created with Spire.PDF for Python.
I
S
S
N: 2
0
8
8
-
86
94
I
n
t
J Po
w
Elec
&
Dr
i
Sy
st,
Vo
l. 1
0
,
No
. 2
,
Ju
n
e
2
019
:
9
7
1
–
9
86
98
0
F
i
gur
e
1
7
.
C
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nt
c
ontr
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c
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Fi
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r
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. Ac
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c
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r
re
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v
s. R
e
f
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cu
rren
t
6.
RESU
L
T
S
Th
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exp
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me
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teris
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. Initia
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s
u
s
s
p
e
e
d
c
har
a
cter
i
s
tic
s
of
the
WTE,
t
hi
s
p
r
ocess
is
r
e
p
e
a
te
d
for
d
i
f
f
e
r
e
nt
w
i
n
d
spe
e
d
s
.
F
i
g
u
r
e
19
i
l
l
ust
r
a
t
ed
t
h
e
powe
r
-
s
p
e
e
d
f
ea
tu
re
s
o
f
WTE
a
n
d
WT.
d
o
t
va
lue
s
r
ep
r
e
sent
t
he
e
xpe
r
i
me
nt
a
l
m
ea
s
u
r
e
m
e
nt
w
he
r
e
a
s
s
o
l
id
l
i
n
e
de
pi
c
t
s
t
h
e
t
h
eor
e
tica
l
c
a
lcu
l
a
t
io
ns
o
f
the
wi
n
d
t
urb
i
ne.
The
r
e
i
s
a
r
igh
t
d
e
g
ree
of
a
g
r
e
e
m
e
n
t
be
t
w
een
t
he
m
e
a
sur
e
d
va
lue
s
a
nd
c
a
lcu
l
a
t
e
d
v
a
l
u
e
s
a
s
obser
ve
d
i
n
t
h
e
F
igur
e
19.
T
he
p
er
f
o
r
m
a
n
ce
a
ssessm
ent
o
f
act
ual
(power,
c
u
rrent
)
a
n
d
r
e
fe
renc
e (power
, curre
nt)
a
r
e
illus
t
rate
d
i
n
t
he Fig
ure
20 a
n
d
Fi
gure 2
1
. It
i
s be de
p
ic
ted
from
the re
sul
t
s
t
h
a
t
ha
r
d
w
a
r
e
i
n
l
o
op
sim
u
la
t
o
r
e
ffic
i
e
n
tl
y
r
e
pr
oduc
e
s
t
he
W
T
char
ac
te
rist
ics.
The
ex
pe
rime
nt
a
l
r
e
s
u
l
t
s
o
f
t
h
e
tes
t
r
ig
u
s
i
ng
the
s
t
ea
d
y
s
ta
te
s
p
e
c
t
r
a
a
n
a
l
y
s
i
s
w
e
r
e
b
e
n
c
h
m
a
r
k
e
d
w
i
t
h
t
he
r
e
s
ear
ch
d
one
a
t
D
u
r
h
am
U
niver
s
it
y
an
d
U
n
i
v
e
r
sity of M
an
ch
e
s
te
r
U
K
[
2
5
-
28
].
T
a
b
l
e
2
c
on
t
a
in
s
th
e
spec
ifica
t
i
o
ns
o
f
the
tes
t
r
ig
s
.
T
h
e
W
TE
was
run
u
p
t
o
the
r
e
qu
ir
e
d
s
u
p
e
r
-
s
ync
hr
ono
us
s
pee
d
u
s
i
n
g
t
he
H
I
L
sim
u
la
tor
a
t
t
h
e
c
o
n
s
t
an
t
w
i
n
d
s
pee
d
o
f
7m/
s
.
De
spite
d
iff
e
re
nt
l
e
v
el
s
sp
e
c
if
ica
t
i
o
ns
a
s
tab
u
l
at
ed
i
n
Ta
bl
e
2,
the
cur
r
en
t
s
p
e
c
tra is pre
se
n
t
e
d
in Fi
g
u
re 1
8 [1
8
-
2
1
], Figure
1
9 [
1
8-
21]
a
n
d
F
i
gur
e
20 su
gge
st sim
ila
r
s
p
e
c
tr
a
l
c
o
n
t
e
n
t
.
W
ith
t
he
f
u
nda
me
n
t
a
l
f
r
e
que
n
c
y
a
n
d
3r
d
har
m
onic,
f
r
e
qu
en
c
i
es
‘
c
’
a
n
d
‘
d
’
a
re
a
sso
ci
a
t
ed
.
Th
ese
f
r
e
que
n
c
ies
a
r
e
stead
y
i
n
a
l
l
the
m
a
c
h
ine
s
.
Ma
ch
i
n
e
de
pe
nde
n
t
f
r
e
q
u
enc
i
es
‘
a’
a
nd
‘
b
’
a
n
d
fr
eq
ue
nc
ie
s
‘
e
’
an
d
‘f’ al
so
p
resen
t
s th
e alik
e
resu
lts no
tw
i
t
hstan
d
in
g
diff
ere
nt
ope
r
a
t
i
ng
e
nvir
onm
en
ts.
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