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p
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[
1
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[
3
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I
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Dece
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th
ey
lead
to
m
ec
h
an
ical
in
s
tab
ilit
y
p
r
o
b
lem
s
.
T
o
th
is
en
d
,
s
tato
r
-
m
o
u
n
ted
PMs
h
av
e
b
ee
n
d
ev
elo
p
e
d
an
d
co
m
m
er
cialize
d
s
u
cc
ess
f
u
lly
f
o
r
v
ar
i
o
u
s
ap
p
licatio
n
s
.
Gen
er
ally
,
PM
m
ac
h
in
es
a
r
e
c
lass
if
ied
b
ased
o
n
th
e
p
o
s
itio
n
o
f
th
e
PMs,
r
o
to
r
PMs
,
a
n
d
s
tato
r
PMs.
T
h
e
ex
is
tin
g
PMSG
ar
e
n
o
t
s
u
i
tab
le
f
o
r
lo
w
-
s
p
ee
d
an
d
v
a
r
iab
l
e
-
s
p
ee
d
ap
p
licatio
n
s
[
5
]
,
b
ec
au
s
e
it
r
eq
u
ir
e
h
ea
v
y
m
ec
h
an
ical
g
ea
r
s
to
co
n
n
ec
t
with
th
e
win
d
tu
r
b
in
es.
T
h
er
ef
o
r
e,
n
o
n
-
co
n
v
en
tio
n
al
s
tato
r
-
e
x
cited
PM
m
ac
h
in
es
(
SEPMM
s
)
h
av
e
b
ee
n
p
r
o
p
o
s
ed
f
o
r
v
ar
i
o
u
s
ap
p
licatio
n
s
[
6
]
.
SEPMM
s
ar
e
m
o
s
t
s
u
itab
le
in
co
m
m
er
cial
ap
p
licatio
n
s
co
m
p
ar
ed
to
t
h
e
e
x
is
tin
g
elec
tr
ical
m
ac
h
in
es
d
u
e
to
th
eir
m
an
y
a
d
v
an
ta
g
es.
C
o
m
p
ar
ed
to
th
e
r
o
to
r
-
ex
cited
PM
m
ac
h
i
n
e,
SEP
M
m
ac
h
in
es
ar
e
p
r
ef
er
ab
le
b
ec
au
s
e
r
o
tatin
g
PMs
m
ay
ca
u
s
e
ir
r
ev
er
s
ib
le
d
em
ag
n
etiza
tio
n
p
r
o
b
lem
s
,
a
n
d
lim
it
th
e
p
o
wer
d
en
s
ity
an
d
m
ec
h
an
ical
in
s
tab
ilit
y
[
7
]
,
[
8
]
.
T
h
er
e
ar
e
two
ty
p
es
o
f
SEPMM
s
:
f
lu
x
r
ev
er
s
al
m
ac
h
in
es
(
FR
M
)
an
d
f
lu
x
s
witch
in
g
m
ac
h
in
e
(
FS
M)
.
T
h
e
f
ir
s
t
o
n
e
is
a
d
o
u
b
le
s
alien
t
SEPMM
ca
lled
a
f
lu
x
s
witch
alter
n
ato
r
.
W
h
en
R
au
ch
an
d
J
o
h
n
s
o
n
[
8
]
f
ir
s
t
in
tr
o
d
u
ce
d
it
in
1
9
5
5
,
t
h
e
r
o
to
r
v
o
lu
m
e
u
s
ag
e
was
f
o
u
n
d
to
b
e
p
o
o
r
,
p
r
o
d
u
cin
g
s
tato
r
v
ib
r
ati
o
n
s
an
d
d
if
f
icu
lty
in
s
tato
r
ass
em
b
ly
.
T
o
en
h
a
n
ce
th
e
to
r
q
u
e
d
e
n
s
ity
an
d
to
h
elp
s
im
p
lify
th
e
m
an
u
f
ac
tu
r
in
g
p
r
o
ce
s
s
,
Deo
d
h
ar
et
a
l
.
[
9
]
in
v
e
n
ted
a
s
in
g
le
-
p
h
ase
FR
M
to
r
ep
lace
th
e
s
tan
d
a
r
d
claw
p
o
le
alter
n
at
o
r
f
o
r
au
t
o
m
o
b
ile
ap
p
licatio
n
s
i
n
1
9
9
7
.
W
an
g
et
a
l
.
[
1
0
]
in
tr
o
d
u
ce
d
th
e
th
r
ee
-
p
h
ase
FR
M
in
2
0
0
0
.
T
h
e
m
ac
h
in
e
d
esig
n
was
o
p
tim
ized
f
r
o
m
o
n
e
p
h
a
s
e
to
th
r
ee
-
p
h
ase
to
en
h
an
ce
h
ig
h
PM
f
lu
x
-
lin
k
ag
e
at
th
e
ar
m
atu
r
e
win
d
in
g
,
g
o
o
d
elec
tr
o
m
ag
n
etic
p
e
r
f
o
r
m
an
c
es,
an
d
less
co
g
g
in
g
to
r
q
u
e.
Alth
o
u
g
h
t
h
e
FR
M
was
n
o
t
t
h
e
f
i
r
s
t
d
o
u
b
le
s
alien
t
PM
elec
tr
ical
m
ac
h
in
e,
it
h
as
b
i
p
o
l
ar
p
h
ase,
m
ag
n
etic
m
o
tiv
e
f
o
r
ce
(
MMF
)
,
a
n
d
f
lu
x
v
ar
iatio
n
with
r
e
g
ar
d
t
o
th
e
r
o
to
r
r
o
tatio
n
.
I
t
also
s
ee
m
s
th
at
FR
M,
in
h
er
en
tly
h
av
e
lo
w
s
elf
an
d
m
u
tu
al
i
n
d
u
ctan
ce
with
r
o
to
r
d
is
p
lace
m
en
t
an
d
s
o
,
it
h
as
a
lo
w
elec
tr
ical
tim
e
co
n
s
tan
t.
All
th
ese
f
ea
tu
r
es,
i
n
co
r
p
o
r
ated
with
a
s
im
p
le
s
tr
u
ct
u
r
e
o
f
FR
M,
m
ak
e
it
attr
ac
tiv
e
f
o
r
lo
w
-
co
s
t
v
ar
iab
le
s
p
ee
d
g
en
er
ato
r
d
esig
n
[
1
1
]
.
Fu
r
th
er
,
to
in
cr
ea
s
e
th
e
p
o
w
er
d
en
s
ity
o
f
FR
M,
f
u
ll
-
p
itc
h
ed
win
d
in
g
is
in
tr
o
d
u
ce
d
r
ath
er
th
an
co
n
ce
n
tr
ated
win
d
in
g
,
a
n
d
it
is
also
co
m
p
ar
ed
with
PMSG
b
y
in
tr
o
d
u
cin
g
th
e
"
f
ictitio
u
s
elec
tr
ical
g
ea
r
"
co
n
ce
p
t
[
1
2
]
.
I
t
is
claim
ed
th
at
f
u
ll
-
p
itch
ed
f
lu
x
r
e
v
er
s
al
g
en
er
ato
r
(
FR
G
)
s
tato
r
win
d
in
g
is
tw
ice
as
ef
f
icien
t
as
co
n
ce
n
tr
ated
FR
G
win
d
in
g
,
b
u
t
th
is
wo
u
ld
r
esu
lt
in
in
cr
ea
s
e
s
in
s
elf
-
in
d
u
ctan
ce
is
2
.
5
t
o
3
tim
es
d
ep
en
d
in
g
o
n
th
e
s
atu
r
atio
n
o
f
th
e
m
ac
h
in
e,
wh
ich
lead
s
to
p
o
o
r
v
o
ltag
e
r
eg
u
latio
n
.
I
t
is
im
p
r
o
v
ed
w
ith
s
er
ies
ca
p
ac
itiv
e
co
m
p
en
s
atio
n
an
d
co
m
p
a
r
ed
p
o
wer
d
en
s
ity
in
ter
m
s
o
f
PMSG,
th
e
f
u
ll
-
p
itch
ed
s
tato
r
win
d
in
g
o
f
FR
G
is
1
3
.
7
5
% h
ig
h
er
,
m
ak
i
n
g
th
is
s
tr
u
ctu
r
e
a
s
u
itab
le
co
m
p
etitiv
e
o
n
e
f
o
r
lo
w
-
s
p
ee
d
d
r
i
v
es
[
1
2
]
,
[
1
3
]
.
In
[
1
4
]
,
[1
5
]
,
co
m
p
ar
is
o
n
s
ar
e
m
ad
e
b
etwe
e
n
6
/1
4
r
ar
e
ea
r
th
FR
G
an
d
2
8
-
p
o
le
f
r
ac
tio
n
al
s
lo
t
PMSG
u
n
d
er
s
im
ilar
p
h
y
s
ical
d
im
en
s
io
n
s
,
r
ated
s
p
ee
d
,
a
n
d
e
lectr
ical
an
d
m
ag
n
etic
lo
a
d
in
g
.
T
h
e
au
th
o
r
s
co
n
clu
d
ed
th
at
t
h
e
p
o
wer
d
e
n
s
ity
o
f
6
/1
4
FR
G
is
1
.
5
tim
es
th
at
o
f
th
e
2
8
-
p
o
le
f
r
ac
tio
n
al
s
lo
t
PMSG
an
d
th
at
th
e
p
o
wer
f
ac
to
r
an
d
v
o
ltag
e
r
e
g
u
latio
n
o
f
PMSG
ar
e
s
lig
h
tly
b
etter
th
an
th
o
s
e
o
f
FR
M.
Fu
r
th
er
,
it
i
s
claim
ed
th
at
th
e
c
o
n
s
tan
t
p
o
wer
s
p
ee
d
r
a
n
g
e
o
f
FR
M
is
b
etter
th
an
PMSG,
m
a
k
in
g
it th
e
m
o
s
t su
itab
le
f
o
r
lo
w
-
s
p
ee
d
,
lo
w
-
p
o
wer
ap
p
licati
o
n
s
.
Fig
u
r
e
1
.
T
h
e
g
lo
b
al
in
s
tallatio
n
win
d
e
n
er
g
y
m
ar
k
et
ca
p
ac
i
ty
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Ap
p
l Po
wer
E
n
g
I
SS
N:
2252
-
8
7
9
2
P
M flu
x
-
r
ev
ers
a
l m
a
ch
in
e
fo
r
w
in
d
en
erg
y
a
p
p
lic
a
tio
n
(
Ma
n
n
e
B
h
a
r
a
th
i
)
911
I
n
Mo
r
e
et
a
l
.
[
1
6
]
,
an
o
u
ter
r
o
to
r
6
/1
4
FR
M
s
tr
u
ctu
r
e
with
r
ar
e
ea
r
th
PMs
f
o
r
r
o
o
f
to
p
win
d
tu
r
b
in
e
g
en
er
ato
r
s
was
i
n
tr
o
d
u
ce
d
,
an
d
wh
en
co
m
p
ar
ed
to
a
6
/1
4
in
n
er
r
o
to
r
s
tr
u
ctu
r
e
with
th
e
s
am
e
o
u
te
r
d
im
e
n
s
io
n
s
,
it
was
s
tated
th
at
th
e
o
u
ter
r
o
t
o
r
FR
M
h
as
1
.
2
5
tim
es
h
ig
h
er
p
o
wer
d
en
s
ity
th
an
th
e
in
n
er
r
o
to
r
an
d
im
p
r
o
v
ed
th
e
m
ac
h
in
e'
s
p
er
f
o
r
m
an
c
e
f
o
r
d
ir
ec
t
d
r
iv
es
.
I
n
[
1
7
]
-
[
2
0
]
,
a
1
0
k
W
,
5
0
r
p
m
,
1
2
/6
4
FR
M
s
tr
u
ctu
r
e
with
r
ar
e
ea
r
th
(
Nd
-
Fe
-
B
)
was
d
ev
el
o
p
ed
an
d
o
p
tim
ized
i
n
ter
m
s
o
f
m
ass
-
to
-
to
r
q
u
e
r
atio
th
r
o
u
g
h
th
e
f
in
ite
elem
en
t
m
eth
o
d
f
o
r
lo
w
-
s
p
ee
d
d
ir
ec
t
d
r
iv
es.
I
n
[
2
0
]
,
[
2
2
]
,
FR
M
with
a
4
8
/4
6
s
t
r
u
ctu
r
e
with
r
ar
e
ea
r
th
(
R
E
)
PMs
h
as
b
ee
n
d
ev
elo
p
e
d
f
o
r
g
ea
r
less
d
ir
ec
t
d
r
i
v
e
win
d
p
o
wer
g
e
n
er
atio
n
ap
p
licatio
n
s
an
d
co
m
p
ar
ed
with
PMSG,
claim
ed
th
at
u
s
ag
e
o
f
r
ar
e
ea
r
t
h
PMs
is
5
tim
es
less
th
an
PM
SG
with
m
ag
n
ets
o
n
th
e
r
o
to
r
.
Activ
e
m
ater
ial
co
s
t
is
also
2
.
3
tim
es
less
,
b
ec
au
s
e
th
e
to
o
th
e
d
FR
M
r
o
to
r
s
tr
u
ct
u
r
e
is
s
im
p
le
an
d
r
eliab
le,
o
n
ly
m
ad
e
u
p
o
f
lam
i
n
ated
s
teel,
an
d
o
v
er
all
m
ac
h
in
e
m
a
n
u
f
ac
tu
r
i
n
g
is
also
1
.
3
tim
es
l
ess
th
an
PMSG.
Fu
r
th
er
m
o
r
e,
it
s
tated
th
at
FR
M
m
ain
tain
s
h
ig
h
ef
f
icien
cy
with
a
wid
e
s
p
ee
d
r
an
g
e
an
d
r
ip
p
l
e
to
r
q
u
e
is
lo
w
as
with
r
o
to
r
P
Ms
g
en
er
ato
r
[
2
3
]
.
T
h
e
r
ec
en
t
s
tu
d
ies
o
f
FR
M
d
esig
n
s
an
d
ab
o
u
n
d
f
o
r
v
ar
io
u
s
ap
p
licatio
n
s
clea
r
ly
s
h
o
w
th
at
RE
-
ex
cited
FR
M
s
ar
e
em
er
g
in
g
.
Su
c
h
s
tu
d
ies
ap
p
ea
r
th
at
th
ese
FR
M
g
en
er
ato
r
s
ar
e
s
u
itab
le
r
ep
lace
m
en
ts
f
o
r
R
E
r
o
to
r
ex
cited
b
r
u
s
h
less
ty
p
e
m
ac
h
in
es
[
24
].
Mo
s
t
o
f
th
e
ex
is
tin
g
liter
atu
r
e
h
as
f
o
cu
s
ed
o
n
th
e
an
aly
s
is
o
f
s
m
all
p
o
wer
s
ca
l
e
(
ab
o
v
e
1
k
W
)
r
atin
g
s
wh
ic
h
ar
e
em
p
lo
y
e
d
f
o
r
t
h
e
h
ig
h
-
s
p
ee
d
(
HS)
o
r
lo
w
-
s
p
ee
d
(
L
S)
d
r
iv
e
tr
ain
s
,
to
in
d
icate
a
n
ee
d
to
in
v
esti
g
ate
th
e
p
er
f
o
r
m
an
ce
o
f
R
E
FR
Ms
s
ca
led
to
th
e
b
elo
w
1
k
W
r
an
g
e
f
o
r
m
e
d
iu
m
s
p
ee
d
(
MS)
r
o
o
f
-
to
p
win
d
en
er
g
y
ap
p
licatio
n
s
[
2
5
]
.
T
h
e
MS
s
p
ee
d
d
r
iv
e
tr
ain
s
ar
e
p
o
p
u
lar
an
d
g
o
o
d
co
r
r
e
latio
n
b
etwe
en
th
e
s
ize
an
d
co
s
t o
f
b
o
th
g
e
n
er
ato
r
an
d
m
ec
h
an
ical
d
r
iv
etr
ain
s
y
s
tem
s
.
T
h
e
m
ain
co
n
tr
ib
u
tio
n
o
f
th
is
s
tu
d
y
is
u
s
ed
to
ex
p
lo
r
e
th
e
p
o
ten
tials
o
f
R
E
F
R
Ms
is
in
th
e
ap
p
licatio
n
o
f
r
o
o
f
-
to
p
win
d
e
n
er
g
y
g
en
er
ato
r
m
o
d
elin
g
a
n
d
em
p
lo
y
ed
t
o
m
ed
iu
m
-
s
p
ee
d
win
d
g
en
er
at
o
r
d
r
iv
es
at
m
icr
o
p
o
wer
s
ca
le.
T
h
e
aim
o
f
th
is
p
ap
er
is
u
s
ed
to
ex
p
lo
r
e
th
e
p
o
t
en
tials
ar
e
R
E
PMs o
f
a
6
/8
p
o
le,
FR
M
s
to
p
o
lo
g
y
f
o
r
MS
win
d
p
o
wer
g
e
n
er
atio
n
ap
p
licatio
n
s
at
m
icr
o
p
o
wer
-
s
ca
le.
I
n
th
is
s
tu
d
y
,
a
3
p
h
ase,
6
/8
p
o
le
FR
M
o
f
PMs g
en
er
ato
r
is
d
esig
n
ed
wit
h
ch
ar
ac
ter
izatio
n
f
o
r
0
.
8
k
W
p
o
wer
s
ca
le
is
in
v
esti
g
ated
.
T
h
u
s
,
an
o
v
er
v
iew
o
f
th
e
FR
M
tech
n
o
lo
g
y
i
n
clu
d
in
g
th
e
o
p
er
atin
g
p
r
in
cip
le,
d
esira
b
le
s
tato
r
-
s
lo
t
an
d
r
o
to
r
p
o
le
co
m
b
in
atio
n
s
is
d
is
cu
s
s
ed
with
f
lu
x
d
is
tr
ib
u
tio
n
u
n
d
er
2
D
f
in
ite
elem
en
t
an
aly
s
i
s
(
FEA
)
in
s
ec
tio
n
2
.
T
h
er
ef
o
r
e,
in
s
ec
tio
n
3
,
th
e
d
esig
n
f
o
r
m
u
latio
n
o
f
th
e
FR
M,
a
p
s
eu
d
o
-
o
p
tim
al
p
ar
a
m
etr
ic
v
ar
iatio
n
p
r
o
ce
d
u
r
e
to
ev
alu
ate
th
e
d
esig
n
d
im
en
s
io
n
s
is
in
v
esti
g
ated
at
2
D
FEA
f
o
r
MS
d
r
iv
etr
ain
s
.
F
u
r
th
er
,
th
e
p
o
wer
-
g
en
er
atin
g
p
er
f
o
r
m
a
n
ce
s
o
f
th
e
FR
Ms
ar
e
co
n
s
id
er
ed
in
th
is
s
tu
d
y
in
ter
m
s
o
f
ter
m
i
n
al
v
o
ltag
e,
v
o
l
t
a
g
e
r
e
g
u
l
a
t
i
o
n
,
t
o
r
q
u
e
p
o
w
e
r
d
e
n
s
i
t
y
,
a
n
d
e
f
f
i
c
i
e
n
c
y
a
t
r
at
e
d
l
o
a
d
c
o
n
d
i
t
io
n
s
a
r
e
e
x
p
l
a
i
n
e
d
i
n
s
e
c
ti
o
n
4
.
T
h
e
s
e
c
ti
o
n
5
p
r
e
s
e
n
ts
t
h
e
c
o
n
cl
u
d
i
n
g
r
e
m
a
r
k
s
.
2.
B
AS
I
C
P
RIC
I
P
L
E
O
F
F
RM
T
h
e
FR
Ms
o
p
er
atin
g
p
r
in
cip
le
is
ex
p
lain
ed
with
th
e
h
elp
o
f
a
p
o
p
u
lar
3
-
p
h
ase
,
6
/8
p
o
le
FR
M
s
tr
u
ctu
r
e.
T
wo
co
ils
in
a
s
er
ies
m
ak
e
a
p
h
ase.
T
y
p
ical
2
D
an
d
3
D
cr
o
s
s
-
s
ec
tio
n
s
o
f
th
is
F
R
M
ar
e
illu
s
tr
ated
in
Fig
u
r
e
2
.
W
ith
r
esp
ec
t
to
Far
ad
ay
’
s
law
o
f
elec
tr
o
m
ag
n
et
ic
in
d
u
ctio
n
,
th
e
r
o
tatio
n
o
f
t
h
e
r
o
to
r
ch
a
n
g
es
th
e
p
er
m
ea
n
ce
i
n
air
g
a
p
,
wh
ich
lead
s
to
a
ch
a
n
g
e
in
th
e
f
lu
x
lin
k
ag
e
in
s
tato
r
co
ils
b
y
f
ield
s
o
u
r
ce
at
a
g
iv
en
elec
tr
ical
s
p
ee
d
(
)
.
A
b
ip
o
lar
in
d
u
ce
d
elec
tr
o
m
o
tiv
e
f
o
r
ce
(
E
MF)
ap
p
ea
r
s
o
n
th
e
s
tato
r
ter
m
in
als
wh
ich
is
g
iv
en
as
(
1
)
.
=
−
(
1
)
Fig
u
r
e
2
.
A
s
tr
u
ctu
r
al
v
iew
o
f
2
D
an
d
3
D
v
iew
o
f
a
6
/8
p
o
le
FR
M
W
h
en
a
p
r
im
e
m
o
v
er
s
p
in
s
th
e
r
o
to
r
,
in
th
e
ca
s
e
o
f
a
g
en
er
ato
r
,
th
e
FR
M
p
r
in
cip
le
ca
n
b
e
d
em
o
n
s
tr
ated
b
ased
o
n
2
D
s
tatic
FEA
lin
e
f
l
u
x
d
en
s
ity
d
is
tr
ib
u
tio
n
p
lo
ts
,
a
s
d
ep
icted
in
Fig
u
r
e
3
.
I
n
Fig
u
r
e
3
(
a)
,
a
r
o
to
r
p
o
le
is
b
etwe
en
two
PMs
at
th
e
s
t
ato
r
to
p
p
a
r
t
an
d
th
e
PMs
in
th
e
s
tato
r
b
o
tto
m
p
o
le.
T
h
is
p
o
s
itio
n
is
ca
lled
an
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
9
2
I
n
t J Ap
p
l Po
wer
E
n
g
,
Vo
l.
1
3
,
No
.
4
,
Dece
m
b
er
20
2
4
:
9
0
9
-
919
912
eq
u
ilib
r
iu
m
p
o
s
itio
n
,
in
wh
ic
h
th
e
r
o
t
o
r
p
o
les
an
d
s
tato
r
p
o
le
PMs
ar
e
n
o
t
alig
n
ed
;
th
e
f
lu
x
p
r
o
d
u
ce
d
b
y
t
h
e
PMs m
o
v
es wh
o
lly
in
ea
ch
s
ta
to
r
teeth
,
with
th
er
e
is
n
o
f
lu
x
in
th
e
s
tato
r
co
r
e
[
1
1
]
.
W
h
en
th
e
r
o
to
r
is
d
r
iv
e
n
b
y
1
1
.
2
°
in
a
co
u
n
ter
-
clo
ck
wis
e
d
ir
ec
tio
n
(
C
C
W
D)
,
th
e
r
o
to
r
p
o
les
a
r
e
alig
n
ed
with
th
e
PMs,
an
d
th
e
f
lu
x
p
ass
es
th
r
o
u
g
h
c
o
ils
,
s
tato
r
co
r
e,
to
p
PMs
,
an
d
b
o
tto
m
PMs.
I
n
th
is
p
o
s
itio
n
,
as
d
ep
icted
in
Fig
u
r
e
3
(
b
)
,
th
e
f
lu
x
is
m
ax
im
u
m
.
I
n
Fig
u
r
e
3
(
c)
,
th
e
r
o
to
r
is
f
u
r
th
er
m
o
v
ed
f
r
o
m
th
e
in
itial
eq
u
ilib
r
iu
m
p
o
s
itio
n
b
y
2
2
.
5
°
,
th
er
e
is
n
o
f
lu
x
i
n
th
e
s
tato
r
y
o
k
e
an
d
n
o
f
lu
x
lin
k
in
g
with
th
e
ar
m
atu
r
e
win
d
in
g
co
ils
.
Fu
r
th
er
,
r
o
to
r
m
o
v
em
e
n
t
o
f
1
1
.
2
5
°
i
n
th
e
clo
c
k
wis
e
d
ir
ec
tio
n
(
C
W
D)
r
esu
lts
in
th
e
p
o
s
itio
n
illu
s
tr
ated
in
Fig
u
r
e
3
(
d
)
.
I
n
th
is
p
o
s
itio
n
,
t
h
e
f
lu
x
is
a
g
ain
m
ax
im
u
m
.
Ho
wev
er
,
th
is
p
o
s
itio
n
is
o
p
p
o
s
ite
to
t
h
at
o
f
th
e
f
ir
s
t
alig
n
m
en
t
in
Fig
u
r
e
3
(
b
)
.
Fro
m
all
th
ese,
it
ca
n
b
e
s
ee
n
th
at
FR
M
h
as
a
b
ip
o
lar
f
lu
x
v
ar
iatio
n
an
d
MM
F
co
n
s
id
er
in
g
th
e
r
o
to
r
d
is
p
lace
m
en
t
an
d
it
co
v
e
r
s
all
f
o
u
r
q
u
ad
r
an
ts
.
At
th
e
p
o
s
itio
n
s
in
Fig
u
r
es
3
(
a)
a
n
d
3
(
c)
,
th
er
e
ar
e
ze
r
o
-
f
lu
x
lin
k
ag
es,
w
h
ile
at
th
o
s
e
in
Fig
u
r
es 3
(
b
)
an
d
3
(
d
)
,
th
e
e
n
er
g
y
tr
an
s
f
o
r
m
atio
n
o
cc
u
r
s
,
an
d
t
h
e
f
lu
x
r
e
v
er
s
al
co
n
ce
p
t is estab
lis
h
ed
.
(
a)
(
b
)
(
c)
(
d
)
Fig
u
r
e
3
.
T
h
e
wo
r
k
in
g
p
r
in
cip
al
o
f
6
/8
o
f
6
/8
s
tato
r
-
s
lo
t/ro
to
r
-
p
o
le
FR
M
(
a)
a
r
o
to
r
d
is
p
lace
m
en
t a
t 0
°
,
(
b
)
a
r
o
to
r
d
is
p
lace
m
en
t a
t 1
1
.
2
5
°
CCWD
,
(
c)
r
o
to
r
d
is
p
lace
m
en
t a
t 2
2
.
5
°
CCWD
,
an
d
(
d
)
r
o
to
r
d
is
p
lace
m
e
n
t
at
1
1
.
2
5
°
CWD
3.
DE
S
I
G
N
F
O
RM
U
L
A
T
I
O
N
O
F
F
RM
A
p
o
p
u
lar
,
3
-
p
h
ase,
6
/8
p
o
l
e
FR
M
s
tr
u
ctu
r
e
ca
n
b
e
c
h
o
s
en
,
th
ese
co
m
b
in
atio
n
s
ca
n
ac
h
iev
e
s
y
m
m
etr
ical
p
h
ase
E
MF
with
h
ig
h
er
t
o
r
q
u
e
an
d
p
o
wer
d
e
n
s
ity
[
1
3
]
.
T
h
e
lo
wer
n
u
m
b
er
o
f
r
o
to
r
p
o
le
(
N
r
)
an
d
s
tato
r
s
lo
t
(
N
s
)
co
u
n
t
is
r
ec
o
m
m
en
d
ed
f
o
r
th
e
m
i
n
im
izatio
n
o
f
co
r
e
lo
s
s
es
an
d
m
an
u
f
ac
tu
r
in
g
d
if
f
icu
lty
,
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Ap
p
l Po
wer
E
n
g
I
SS
N:
2252
-
8
7
9
2
P
M flu
x
-
r
ev
ers
a
l m
a
ch
in
e
fo
r
w
in
d
en
erg
y
a
p
p
lic
a
tio
n
(
Ma
n
n
e
B
h
a
r
a
th
i
)
913
alth
o
u
g
h
a
lo
wer
n
u
m
b
e
r
o
f
p
o
les
lead
s
to
a
m
in
im
izatio
n
in
th
e
am
p
litu
d
e
o
f
E
MF
[
1
3
]
.
B
ased
o
n
all
th
e
lim
itatio
n
s
,
a
n
eg
o
tiatio
n
b
etwe
en
an
d
f
r
e
q
u
en
c
y
(
5
0
Hz)
an
d
h
i
g
h
am
p
litu
d
e
E
MF,
a
6
/8
FR
M
to
p
o
lo
g
y
is
em
p
lo
y
ed
.
C
o
n
s
id
er
in
g
t
h
e
m
a
ch
in
e
r
o
to
r
s
p
ee
d
(
n
)
a
n
d
o
p
en
cir
cu
it E
MF
f
r
eq
u
e
n
cy
(
f
e
)
as e
x
p
r
ess
ed
b
y
(
2
)
.
=
∗
60
(
2
)
T
h
e
p
r
elim
in
a
r
y
d
esig
n
d
im
en
s
io
n
s
o
f
a
6
/8
p
o
le
FR
M
ar
e
e
v
alu
ated
,
b
ased
o
n
th
e
r
ated
p
o
wer
r
eq
u
ir
em
en
t
as
m
icr
o
-
s
ca
le
(
0
.
8
k
W
)
at
@
3
7
5
r
/m
in
.
As a
g
en
er
at
o
r
,
th
e
el
ec
tr
o
m
ag
n
etic
p
o
wer
at
a
d
esire
d
ef
f
icien
cy
o
f
0
.
9
5
a
n
d
s
p
ee
d
o
f
3
7
5
r
/m
in
is
g
iv
en
b
y
(
3
)
.
=
(
3
)
T
h
en
,
th
e
s
p
ec
if
ic
elec
tr
ical
an
d
m
ag
n
etic
lo
ad
in
g
ar
e
ass
u
m
ed
to
ev
alu
ate
th
e
tan
g
en
tial f
o
r
ce
d
en
s
ity
.
T
h
e
g
en
er
al
o
u
tp
u
t sizin
g
p
r
o
ce
d
u
r
e
to
m
o
d
el
t
h
e
m
ac
h
in
e
is
ex
p
r
ess
ed
as
(
4
)
[
1
3
]
.
=
√
2
P
b
π
f
t
λ
ω
r
J
η
3
(
4
)
W
h
er
e
ω
r
is
r
o
to
r
s
p
ee
d
(
r
ad
/s
ec
)
,
is
m
ac
h
in
e
ef
f
icien
cy
,
is
m
a
ch
in
e
lam
in
ated
s
tack
to
r
o
to
r
d
iam
eter
,
an
d
th
e
d
esig
n
ed
FR
M
s
tr
u
ctu
r
e
is
n
ee
d
ed
to
o
p
e
r
ate
th
e
m
ac
h
in
e
to
m
ee
t
with
win
d
tu
r
b
in
e
p
o
wer
r
atin
g
f
o
r
a
MS
d
r
iv
etr
ain
.
T
h
e
k
ey
e
v
alu
ated
p
ar
am
eter
s
an
d
d
im
en
s
io
n
al
s
p
ec
if
icatio
n
s
o
f
t
h
e
FR
M
m
ac
h
in
e
f
o
r
MS
d
r
i
v
es
ar
e
p
r
esen
ted
in
T
ab
le
1.
T
ab
le
1
.
Key
d
esig
n
d
im
e
n
s
io
n
s
an
d
p
ar
a
m
eter
s
o
f
th
e
FR
M
P
a
r
a
me
t
e
r
/
d
i
me
n
si
o
n
RE
-
F
R
G
R
o
t
o
r
p
o
l
e
s
p
a
n
a
n
g
l
e
(
α=β
)
,
d
e
g
2
2
.
5
N
u
mb
e
r
t
u
r
n
s
p
e
r
c
o
i
l
(
N
t
)
1
7
6
S
t
a
c
k
l
e
n
g
t
h
(
),
mm
2
0
0
S
t
a
t
o
r
o
u
t
e
r
d
i
a
m
e
t
e
r
(
D
out
)
,
mm
1
2
9
O
u
t
e
r
r
o
t
o
r
d
i
a
me
t
e
r
(
)
,
mm
72
S
t
a
t
o
r
p
o
l
e
w
i
d
t
h
(
)
,
mm
21
R
o
t
o
r
p
o
l
e
h
e
i
g
h
t
(
ℎ
)
,
mm
17
C
u
r
r
e
n
t
d
e
n
s
i
t
y
(
J)
(
A
mm
2
⁄
)
5
S
t
a
t
o
r
b
a
c
k
i
r
o
n
t
h
i
c
k
n
e
ss
(
)
,
mm
11
S
l
o
t
o
p
e
n
i
n
g
w
i
d
t
h
(
)
,
mm
29
S
h
a
f
t
d
i
a
m
e
t
e
r
(
ℎ
)
,
mm
46
R
a
t
e
d
s
p
e
e
d
,
(
r
/
mi
n
)
3
7
5
M
a
g
n
e
t
t
h
i
c
k
n
e
s
s (
ℎ
)
,
mm
3
R
a
t
e
d
f
r
e
q
u
e
n
c
y
(
H
z
)
50
F
i
l
l
f
a
c
t
o
r
(
)
0
.
4
T
h
er
ea
f
ter
,
ta
n
g
en
tial
f
o
r
ce
d
e
n
s
ities
f
r
o
m
eq
u
iv
alen
t
elec
tr
i
c
an
d
m
ag
n
etic
lo
ad
in
g
o
f
t
h
e
m
ac
h
in
es
ca
n
b
e
s
elec
ted
b
ased
o
n
th
e
l
iter
atu
r
e
s
tu
d
ies
[
1
4
]
,
[
1
5
]
o
f
FR
Ms.
Fu
r
th
er
,
b
ased
o
n
th
e
s
izin
g
ex
p
r
ess
io
n
in
(
4
)
,
th
e
r
o
to
r
d
ia
m
eter
a
n
d
s
tack
len
g
th
ca
n
b
e
e
v
alu
ated
.
Af
ter
ch
o
o
s
in
g
t
h
e
a
p
p
r
o
p
r
iate
r
esid
u
al
f
lu
x
d
e
n
s
ity
an
d
co
er
civ
e
f
o
r
ce
p
ar
am
ete
r
s
etc.
f
o
r
s
p
ec
if
ic
PMs,
th
e
air
g
ap
f
lu
x
d
e
n
s
ity
ca
n
b
e
ev
a
lu
ated
.
A
d
etailed
s
tr
u
ctu
r
al
p
ar
am
eter
o
f
r
o
to
r
a
n
d
s
tato
r
ca
n
th
en
b
e
d
er
iv
e
d
.
FEA
is
th
en
u
s
ed
to
v
alid
ate
th
e
g
en
er
ato
r
d
esig
n
s
p
ec
if
icatio
n
s
.
T
h
er
e
s
h
o
u
ld
b
e
a
ch
ec
k
to
v
e
r
if
y
t
h
at
th
e
m
ac
h
in
e
g
e
o
m
etr
y
p
ar
am
eter
s
a
r
e
p
r
ac
tical.
I
f
n
o
t,
th
e
in
itial
v
alu
es
s
h
o
u
l
d
b
e
r
e
s
et.
FEA
v
er
if
icatio
n
s
at
v
ar
i
o
u
s
o
p
er
ati
o
n
c
o
n
d
itio
n
s
a
r
e
t
h
en
co
n
d
u
cte
d
,
its
p
r
o
ce
s
s
is
f
lo
w
ch
ar
te
d
an
d
p
r
esen
ted
in
Fig
u
r
e
4
.
W
ith
2
D
FEA,
th
e
p
o
wer
-
g
en
e
r
atin
g
p
e
r
f
o
r
m
a
n
ce
s
s
u
ch
as
f
lu
x
lin
k
ag
es,
E
MF,
C
T
an
d
r
ip
p
le
to
r
q
u
e
,
p
o
wer
an
d
to
r
q
u
e
d
en
s
ity
,
g
o
o
d
s
m
o
o
th
av
e
r
a
g
e
to
r
q
u
e
,
etc.
,
ar
e
in
v
esti
g
ated
.
I
f
d
esire
d
p
er
f
o
r
m
an
ce
s
ar
e
n
o
t
ac
h
i
ev
e
d
,
t
h
e
d
esig
n
f
lo
w
ca
n
b
e
iter
ated
with
ad
ju
s
tm
en
ts
m
a
d
e
to
th
e
d
esig
n
p
ar
am
eter
s
.
T
h
is
ca
n
b
e
o
b
s
er
v
ed
in
T
a
b
le
1
,
t
h
at
th
e
2
D
FEA
an
d
an
aly
tical
r
esu
lts
h
av
e
g
o
o
d
co
r
r
elatio
n
s
.
Hen
ce
,
a
co
n
clu
s
io
n
ca
n
b
e
d
r
awn
th
at
th
e
p
r
o
p
o
s
ed
an
aly
tical
d
esig
n
m
eth
o
d
o
lo
g
y
is
ef
f
ec
tiv
e
an
d
ap
p
licab
le.
T
h
e
2
D
g
eo
m
etr
ical
d
im
en
s
io
n
al
v
iew
o
f
3
-
p
h
ase
FR
M
ca
n
b
e
d
ep
icted
in
Fig
u
r
e
5
.
Fro
m
th
e
m
ag
n
eto
s
tatic
s
im
u
latio
n
,
th
e
o
p
en
-
cir
c
u
it
f
lu
x
d
en
s
ity
o
f
F
R
M
i
s
B
=1
.
2
T
f
o
r
r
ar
e
-
ea
r
th
(
Nd
-
Fe
-
B
)
an
d
th
e
m
esh
p
lo
t
ca
n
b
e
d
ep
icted
in
Fig
u
r
e
6
f
r
o
m
th
e
2
D
FEA.
R
elativ
e
p
er
m
ea
b
ilit
y
=1
.
0
9
a
n
d
f
ield
in
ten
s
ity
=
9
0
0
k
A/m
is
co
n
s
id
er
ed
t
h
r
o
u
g
h
o
u
t
th
e
m
ac
h
i
n
e
d
esig
n
.
T
h
e
o
th
er
d
esig
n
co
n
s
tr
ain
ts
ar
e
ass
u
m
ed
,
th
at
ar
e
f
illi
n
g
f
ac
to
r
an
d
c
u
r
r
e
n
t d
en
s
ity
,
ca
n
b
e
ch
o
s
en
b
ased
o
n
th
e
c
o
o
lin
g
m
ec
h
an
is
m
[
1
4
]
-
[
1
7
]
,
5
A/m
m
2
,
a
n
d
0
.
4
,
r
esp
ec
tiv
ely
.
Fr
o
m
MS
n
o
-
lo
ad
a
C
T
o
f
th
e
FR
M
is
ex
a
m
in
ed
u
n
d
er
2
D
FEA
an
d
th
e
p
ea
k
-
to
-
p
ea
k
C
T
is
2
.
4
5
Nm
as sh
o
w
n
in
Fig
u
r
e
7
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
9
2
I
n
t J Ap
p
l Po
wer
E
n
g
,
Vo
l.
1
3
,
No
.
4
,
Dece
m
b
er
20
2
4
:
9
0
9
-
919
914
S
p
e
c
i
f
i
c
a
t
i
o
n
s
:
P
o
w
e
r
,
s
p
e
e
d
,
t
o
r
q
u
e
,
s
t
a
t
o
r
o
u
t
e
r
d
i
a
m
e
t
e
r
,
t
o
r
q
u
e
,
e
f
f
i
c
i
e
n
c
y
e
t
c
.
S
e
l
e
c
t
e
d
i
n
i
t
i
a
l
v
a
l
u
e
s
:
S
l
o
t
p
o
l
e
c
o
m
b
i
n
a
t
i
o
n
,
t
a
n
g
e
n
t
i
a
l
f
o
r
c
e
d
e
n
s
i
t
y
,
e
l
e
c
t
r
i
c
a
l
l
o
a
d
i
n
g
,
m
a
g
n
e
t
i
c
l
o
a
d
i
n
g
,
s
t
a
c
k
l
e
n
g
t
h
,
m
a
c
h
i
n
e
o
u
t
e
r
d
i
a
m
e
t
e
r
,
s
t
a
t
o
r
p
o
l
e
s
h
o
e
h
e
i
g
h
t
e
t
c
.
U
s
e
t
o
r
q
u
e
e
q
u
a
t
i
o
n
a
n
d
s
e
t
γ
v
a
l
u
e
,
e
v
a
l
u
a
t
e
t
h
e
r
o
t
o
r
d
i
a
m
e
t
e
r
(
D
r
)
a
n
d
s
t
a
c
k
l
e
n
g
t
h
(
l
s
t
k
)
S
t
a
t
o
r
g
e
o
m
e
t
r
y
d
e
s
i
g
n
:
A
s
l
o
t
,
h
p
s
,
W
t
s
,
l
w
i
,
D
s
e
,
B
c
s
R
o
t
o
r
g
e
o
m
e
t
r
y
d
e
s
i
g
n
:
α
,
h
p
r
,
D
r
,
B
c
r
S
t
a
t
o
r
o
u
t
e
r
d
i
a
m
e
t
e
r
D
o
u
t
=
D
s
e
+
2
B
c
s
T
o
t
a
l
m
a
c
h
i
n
e
l
e
n
g
t
h
l
o
=
l
s
t
k
+
l
e
n
d
2
D
F
E
A
s
i
m
u
l
a
t
i
o
n
:
n
o
-
l
o
a
d
,
r
a
t
e
d
l
o
a
d
,
s
m
o
o
t
h
t
o
r
q
u
e
p
r
o
f
i
l
e
,
o
v
e
r
l
o
a
d
a
n
d
o
v
e
r
s
p
e
e
d
c
a
p
a
b
i
l
i
t
y
,
e
t
c
.
T
h
e
c
a
l
c
u
l
a
t
e
d
r
e
s
u
l
t
m
a
t
c
h
t
h
e
s
p
e
c
i
f
i
c
a
t
i
o
n
s
R
e
s
u
l
t
N
Y
Y
N
D
o
u
t
<
m
a
c
h
i
n
e
o
u
t
e
r
d
i
a
m
e
t
e
r
l
o
<
m
a
c
h
i
n
e
l
e
n
g
t
h
Fig
u
r
e
4
.
Desig
n
f
lo
w
ch
ar
t
o
f
FR
M
Fig
u
r
e
5
.
Geo
m
etr
ical
v
iew
o
f
th
e
FR
M
Fig
u
r
e
6
.
2
D
FEA
ev
alu
atio
n
o
f
m
esh
p
lo
t
an
d
f
lu
x
d
en
s
ity
p
lo
t
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Ap
p
l Po
wer
E
n
g
I
SS
N:
2252
-
8
7
9
2
P
M flu
x
-
r
ev
ers
a
l m
a
ch
in
e
fo
r
w
in
d
en
erg
y
a
p
p
lic
a
tio
n
(
Ma
n
n
e
B
h
a
r
a
th
i
)
915
Fig
u
r
e
7
.
T
h
e
co
g
g
in
g
to
r
q
u
e
v
ar
iatio
n
o
f
FR
M
at
m
ag
n
eto
s
tatic
co
n
d
itio
n
4.
P
E
RF
O
RM
A
NCE
E
VA
L
U
AT
I
O
N
O
F
F
RM
Ma
n
y
o
f
th
e
s
tu
d
ies
h
av
e
d
e
v
e
lo
p
ed
d
if
f
e
r
en
t
FR
M
to
p
o
lo
g
ie
s
f
o
r
win
d
tu
r
b
in
e
a
p
p
licatio
n
s
.
Ma
n
y
o
f
th
e
s
tu
d
ies
r
eg
ar
d
in
g
ar
e
h
ig
h
-
s
p
ee
d
o
r
lo
w
-
s
p
ee
d
win
d
ap
p
li
ca
tio
n
s
at
lo
w
p
o
wer
lev
els
o
n
ly
[
1
8
]
-
[
2
1
]
.
I
n
th
is
s
tu
d
y
is
u
s
ed
to
co
n
s
id
er
th
e
MS
d
r
iv
e
tr
ain
s
y
s
tem
f
o
r
FR
Ms,
as
lik
e
o
f
o
th
er
d
r
i
v
e
tr
ai
n
s
,
wh
ich
ar
e
alr
ea
d
y
ex
am
in
ed
f
o
r
th
e
b
r
u
s
h
less
d
o
u
b
le
s
alien
t
s
tr
u
ctu
r
es
[
2
2
]
-
[
2
4
]
.
I
n
th
is
s
tu
d
y
,
a
6
/
8
p
o
le,
3
7
5
r
/m
in
,
m
icr
o
p
o
wer
lev
el,
Nd
-
Fe
-
B
ex
cited
FR
M
s
tr
u
ctu
r
e
ar
e
s
tu
d
ied
an
d
d
ev
e
lo
p
ed
at
2
D
FEA,
f
o
r
MS
win
d
en
er
g
y
g
en
er
ato
r
ap
p
licatio
n
s
.
T
h
e
p
o
wer
g
e
n
er
atin
g
p
er
f
o
r
m
an
ce
a
r
e
an
al
y
ze
d
,
with
r
esp
ec
t
to
to
r
q
u
e
an
d
p
o
wer
d
e
n
s
ity
,
ter
m
in
al
v
o
ltag
e,
ef
f
icien
cy
,
a
n
d
p
o
we
r
f
ac
to
r
at
th
e
r
ated
lo
ad
co
n
d
itio
n
s
ar
e
an
aly
ze
d
.
4
.
1
.
O
pen c
ircuit
co
nd
it
io
n (
no
-
lo
a
d)
a
na
ly
s
is
T
h
is
FR
M
s
tr
u
ctu
r
e
is
in
v
esti
g
ated
u
n
d
e
r
th
e
n
o
-
lo
ad
o
r
o
p
en
cir
cu
ited
co
n
d
itio
n
,
u
n
d
er
2
D
FEA.
T
h
e
o
p
en
-
cir
c
u
ited
co
n
d
itio
n
,
th
e
f
lu
x
lin
k
ag
es,
v
o
ltag
es,
an
d
C
T
ar
e
in
v
esti
g
ated
.
T
h
e
p
h
a
s
e
f
lu
x
lin
k
ag
es
an
d
v
o
ltag
es
at
n
o
-
lo
ad
ar
e
p
r
esen
ted
in
Fig
u
r
es
8
a
n
d
9
.
A
n
in
t
er
esti
n
g
f
ac
t
to
n
o
te
ab
o
u
t
th
e
co
g
g
in
g
to
r
q
u
e
t
h
at
th
e
tr
an
s
ien
t
a
n
aly
s
is
s
h
o
w
th
a
t
th
e
C
T
is
lo
wer
at
m
ag
n
eto
s
tatic
th
an
with
t
r
an
s
ien
t
n
o
-
lo
ad
d
u
e
to
th
e
p
r
esen
ce
o
f
ex
citatio
n
s
o
r
s
p
ee
d
to
th
e
F
R
M,
les
s
lo
ck
in
g
is
ex
p
er
ien
ce
d
b
etwe
en
th
e
r
o
to
r
a
n
d
PMs
ca
n
b
e
p
r
esen
ted
in
Fig
u
r
e
1
0
.
T
h
e
C
T
is
a
f
u
n
ctio
n
o
f
to
r
q
u
e
r
ip
p
le
at
l
o
ad
co
n
d
itio
n
,
s
o
,
it
r
eq
u
ir
ed
to
m
in
im
i
ze
th
e
PM
ex
cited
m
ac
h
in
es
f
o
r
th
e
s
af
e
o
p
er
ati
o
n
[
2
0
]
.
B
y
c
o
n
s
id
er
in
g
th
e
o
p
tim
al
d
esig
n
d
im
en
s
io
n
s
th
e
co
g
g
in
g
to
r
q
u
e
an
d
to
r
q
u
e
r
ip
p
le
ar
e
m
in
im
ized
c
o
m
p
ar
ed
with
ex
is
tin
g
PM
m
a
ch
in
es.
4
.
2
.
On
-
l
o
a
d a
na
ly
s
is
T
h
e
elec
tr
o
m
ag
n
etic
p
er
f
o
r
m
a
n
ce
s
at
lo
ad
co
n
d
itio
n
ar
e
an
aly
ze
d
an
d
th
e
r
ated
lo
ad
r
esis
tan
ce
o
f
th
e
g
en
er
ato
r
ca
n
b
e
e
v
alu
ated
u
n
d
er
r
ated
p
o
wer
an
d
v
o
ltag
e
o
f
ea
ch
p
h
ase,
i.e
.
,
R
n
is
2
5
.
3
Ω
.
I
n
th
is
s
ec
tio
n
is
u
s
ed
to
ex
am
in
e
th
e
p
o
wer
g
en
er
atin
g
p
er
f
o
r
m
a
n
ce
s
o
f
th
e
FR
M
in
clu
d
in
g
ter
m
in
al
v
o
ltag
e
ag
ain
s
t
p
h
ase
cu
r
r
en
t,
v
o
ltag
e
r
eg
u
latio
n
,
to
r
q
u
e
r
i
p
p
le,
e
f
f
icien
cy
,
an
d
p
o
wer
f
ac
to
r
,
as
well
as
lo
s
s
es
ar
e
an
aly
ze
d
b
y
th
e
2
D
FEA.
I
n
th
e
ac
tu
al
r
u
n
co
n
d
itio
n
,
th
e
to
r
q
u
e
r
ip
p
le
o
f
th
e
FR
M
at
r
ate
lo
ad
c
o
n
d
itio
n
is
d
ep
icted
in
Fig
u
r
e
1
1
.
I
n
th
e
lo
a
d
co
n
d
iti
o
n
to
r
q
u
e
r
ip
p
le
is
th
e
f
u
n
ctio
n
o
f
th
e
co
g
g
i
n
g
to
r
q
u
e,
wh
ic
h
lead
s
to
v
ib
r
atio
n
an
d
n
o
is
e
at
lo
ad
,
a
n
d
it
c
r
ea
tes
n
eg
ativ
e
im
p
ac
t
o
n
th
e
m
ac
h
in
e
p
er
f
o
r
m
a
n
ce
.
T
h
e
to
r
q
u
e
r
ip
p
le
o
f
FR
M
ca
n
b
e
ev
alu
ated
f
r
o
m
th
e
g
r
a
p
h
th
at
p
ea
k
-
to
-
p
ea
k
to
r
q
u
e
t
o
av
g
to
r
q
u
e
u
n
d
e
r
th
e
lo
a
d
.
Fig
u
r
e
8
.
T
h
e
tr
an
s
ien
t o
p
en
-
c
ir
cu
ited
f
lu
x
lin
k
ag
e
p
lo
t o
f
FR
M
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8
7
9
2
I
n
t J Ap
p
l Po
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g
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l.
1
3
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4
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Dece
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er
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4
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Fig
u
r
e
9
.
T
h
e
o
p
en
cir
cu
ited
e
ac
h
p
h
ase
v
o
ltag
e
o
f
FR
M
@
3
7
5
r
/m
i
n
Fig
u
r
e
1
0
.
T
h
e
c
o
g
g
in
g
to
r
q
u
e
ef
f
ec
t o
f
FR
M
u
n
d
er
n
o
-
lo
ad
Fig
u
r
e
1
1
.
T
o
r
q
u
e
r
ip
p
le
ef
f
ec
t o
f
th
e
FR
M
T
h
e
o
u
tp
u
t
v
o
ltag
e
(
r
m
s
)
,
c
u
r
r
en
t
(
r
m
s
)
,
an
d
p
o
wer
o
f
th
e
m
ac
h
in
e
wh
en
o
p
er
atin
g
at
r
e
s
is
tiv
e
lo
ad
@
3
7
5
r
/m
in
ar
e
a
n
aly
ze
d
th
r
o
u
g
h
FEA
to
in
v
esti
g
ate
th
e
o
v
e
r
lo
ad
ca
p
ab
ilit
ies
o
f
th
e
m
ac
h
i
n
es.
T
h
e
g
en
e
r
atin
g
o
p
er
atin
g
p
o
in
t
p
er
f
o
r
m
an
ce
s
in
clu
d
in
g
o
u
tp
u
t
v
o
ltag
e
a
g
ain
s
t
lo
ad
cu
r
r
en
t,
v
o
ltag
e
r
e
g
u
lati
o
n
,
p
o
wer
cu
r
v
e
in
ter
m
s
o
f
v
ar
y
in
g
lo
a
d
cu
r
r
e
n
t
an
d
m
ac
h
in
e
s
p
ee
d
,
as
well
as
l
o
s
s
an
d
ef
f
icien
cy
cu
r
v
es
o
f
th
e
m
ac
h
in
e
wo
r
k
in
g
is
an
aly
ze
d
b
y
FEA
s
im
u
latio
n
.
T
h
e
tr
a
n
s
ien
t
lo
ad
co
n
d
itio
n
th
e
o
u
t
p
u
t
v
o
ltag
e
ag
ain
s
t
l
o
ad
c
u
r
r
en
t
cu
r
v
e
is
p
lo
tted
to
ex
am
in
e
th
e
o
v
er
lo
a
d
ca
p
ab
ilit
y
ca
n
b
e
d
ep
icte
d
in
Fig
u
r
e
1
2
.
Fro
m
Fig
u
r
e
1
2
,
o
b
s
er
v
e
th
at
as
lo
ad
cu
r
r
en
t
in
cr
ea
s
es
th
e
FR
M
ex
h
ib
its
g
o
o
d
o
v
er
lo
a
d
ca
p
a
b
ilit
y
.
T
h
e
to
r
q
u
e
d
en
s
ity
o
f
th
e
R
E
m
ac
h
in
e
is
h
ig
h
er
b
ec
au
s
e
it
h
as
h
ig
h
er
r
e
m
an
en
ce
f
lu
x
d
e
n
s
ity
an
d
co
er
ci
v
e
f
o
r
ce
s
.
Fu
r
th
er
,
th
e
elec
tr
o
m
ag
n
etic
p
er
f
o
r
m
an
ce
s
ar
e
o
f
o
u
tp
u
t
p
o
wer
,
to
r
q
u
e
d
en
s
ity
,
ef
f
icie
n
cy
,
p
o
wer
f
a
cto
r
is
an
aly
z
ed
,
an
d
o
v
e
r
all
p
er
f
o
r
m
an
c
es
ar
e
s
u
m
m
ar
ized
f
r
o
m
2
D
FEA
an
d
p
r
esen
ted
i
n
T
ab
le
2
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J Ap
p
l Po
wer
E
n
g
I
SS
N:
2252
-
8
7
9
2
P
M flu
x
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r
ev
ers
a
l m
a
ch
in
e
fo
r
w
in
d
en
erg
y
a
p
p
lic
a
tio
n
(
Ma
n
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e
B
h
a
r
a
th
i
)
917
Fig
u
r
e
1
2
.
T
h
e
o
u
tp
u
t
v
o
ltag
e
v
s
th
e
p
h
ase
cu
r
r
en
t @
3
7
5
r
/
m
in
T
ab
le
2
.
2
D
FEA
p
r
ed
icted
c
h
ar
ac
ter
is
tics
o
f
th
e
3
-
p
h
ase,
6
/
8
p
o
le
FR
M
u
n
d
e
r
th
e
lo
a
d
co
n
d
itio
n
P
a
r
a
me
t
e
r
F
R
M
To
r
q
u
e
r
i
p
p
l
e
u
n
d
e
r
r
a
t
e
d
l
o
a
d
,
%
1
1
.
4
6
O
u
t
p
u
t
v
o
l
t
a
g
e
[
R
M
S
]
(
V
)
82
R
a
t
e
d
o
u
t
p
u
t
p
o
w
e
r
(
k
W
)
0
.
8
6
3
V
o
l
t
a
g
e
r
e
g
u
l
a
t
i
o
n
(
%)
1
2
.
7
5
Ef
f
i
c
i
e
n
c
y
a
t
r
a
t
e
d
l
o
a
d
%
93
To
r
q
u
e
d
e
n
si
t
y
(
k
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m/
m
3
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3
8
.
6
7
1
To
t
a
l
l
o
sses
a
t
r
a
t
e
d
l
o
a
d
,
W
4
7
.
4
9
P
o
w
e
r
f
a
c
t
o
r
0
.
8
5.
CO
NCLU
SI
O
N
I
n
th
is
p
ap
e
r
,
th
e
n
ee
d
f
o
r
in
v
e
s
tig
atin
g
th
e
p
o
te
n
tial
o
f
PM
e
x
cited
FR
Ms
f
o
r
th
e
m
e
d
iu
m
s
p
ee
d
win
d
en
er
g
y
ap
p
licatio
n
s
at
t
h
e
m
ic
r
o
s
ca
le
h
as
b
ee
n
s
tu
d
ied
.
A
3
-
p
h
ase,
6
/8
p
o
le
r
a
r
e
-
ea
r
th
FR
M
s
tr
u
ctu
r
e
wer
e
m
o
d
elled
b
ased
o
n
a
n
aly
tical
d
esig
n
-
s
izin
g
p
r
o
c
ed
u
r
e
(
p
s
eu
d
o
-
o
p
tim
al
p
ar
a
m
etr
ic
v
a
r
iatio
n
)
,
s
em
i
-
o
p
tim
ized
FR
Ms
an
d
s
im
u
lated
u
n
d
er
2
D
FEA,
th
en
co
n
s
id
er
in
g
s
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o
f
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JN
TU,
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k
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,
M
.
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d
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in
p
o
we
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sy
ste
m
s
fro
m
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a
rju
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a
Un
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ty
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u
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tu
r
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in
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a
n
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d
ia
i
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2
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r
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rre
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h
e
c
a
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tac
te
d
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:
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h
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s in
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n
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h
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sia
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ti
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h
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c
a
n
b
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c
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tac
ted
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p
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th
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m
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c
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.
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