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201
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s
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it
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:
D.
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lectr
ical
E
n
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Dep
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f
r
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I
NT
RO
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I
O
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Da
y
a
f
ter
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a
y
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th
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as
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a
s
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g
n
i
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ica
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t
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at
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ar
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s
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a
n
d
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s
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at
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n
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s
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e
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ased
o
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th
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ield
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s
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f
el
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n
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m
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etic
f
ield
s
.
[
1
-
2
].
T
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2.
M
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AP
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Ma
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1
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f
r
a
m
e
wo
r
k
ass
o
ciate
d
w
ith
t
h
e
m
ed
iu
m
to
b
e
s
tu
d
ied
.
⃗
⃗
⃗
⃗
(a
)
⃗
⃗
(
b
)
(
1
)
⃗
(
c)
⃗
⃗
(
d
)
Su
p
p
le
m
e
n
ted
w
it
h
s
p
ec
i
f
ic
m
ater
ials
:
⃗
⃗
⃗
(
a)
⃗
⃗
⃗
(
b
)
(
2
)
⃗
(
c)
Fo
r
lo
w
f
r
eq
u
e
n
cie
s
⃗
⃗
is
ze
r
o
[3
-
5
].
I
n
th
e
ca
s
e
o
f
elec
tr
ic
m
ac
h
in
e
s
,
th
e
m
o
s
t
s
u
itab
le
m
o
d
el
f
o
r
th
e
s
t
u
d
y
o
f
elec
tr
o
m
ag
n
etic
p
h
en
o
m
e
n
a
is
m
ag
n
eto
d
y
n
a
m
ics,
s
in
ce
it
tak
e
s
in
to
ac
co
u
n
t
th
e
s
p
ee
d
an
d
th
e
cu
r
r
en
ts
th
at
ar
e
v
ar
iab
le
w
it
h
r
esp
ec
t to
ti
m
e.
Ma
g
n
e
to
d
y
n
a
m
ic
s
h
a
v
e
th
e
f
o
llo
w
i
n
g
ad
v
an
tag
e
s
:
I
t is th
e
m
o
s
t u
s
ed
s
i
n
ce
it r
ed
u
ce
s
t
h
e
n
u
m
b
er
o
f
u
n
k
n
o
w
n
s
;
I
t
m
a
k
es
i
t
p
o
s
s
ib
le
to
i
m
p
o
s
e
elec
tr
ic
c
u
r
r
en
ts
,
a
n
d
t
h
e
d
ed
u
ctio
n
o
f
a
n
y
o
t
h
er
p
h
y
s
i
ca
l
m
a
g
n
itu
d
e.
Kn
o
w
i
n
g
t
h
at
:
⃗
⃗
et
⃗
⃗
(
)
(
)
(
3
)
(
⃗
)
⃗
(
4
)
T
h
e
p
ar
am
eter
(
⃗
)
is
a
co
n
s
er
v
a
tiv
e
f
ield
,
t
h
er
ef
o
r
e
it
d
er
iv
es
f
r
o
m
a
n
elec
tr
ical
s
ca
lar
p
o
ten
tial
U,
s
u
c
h
th
at:
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
(
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
)
(
5
)
Sin
ce
t
h
e
in
d
u
c
to
r
s
ar
e
p
r
o
v
id
ed
w
ith
a
v
elo
cit
y
in
a
m
a
g
n
etic
in
d
u
ctio
n
f
ield
⃗
w
h
ic
h
g
i
v
es
r
is
e
to
in
d
u
ce
d
d
en
s
it
y
c
u
r
r
en
ts
is
,
ac
co
r
d
in
g
to
th
e
la
w
o
f
L
ap
la
ce
w
e
h
a
v
e:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
I
n
t J
A
p
p
l P
o
w
er
E
n
g
,
Vo
l.
8
,
No
.
2
,
A
u
g
u
s
t 2
0
1
9
:
1
1
0
–
1
1
9
112
⃗
(
6
)
A
cc
o
r
d
in
g
to
(
3
-
6
)
,
th
e
in
d
u
ce
d
cu
r
r
en
ts
⁄
th
e
in
d
u
ce
d
c
u
r
r
en
t
s
m
u
s
t b
e
r
ep
lace
d
b
y
:
⃗
(
7
)
T
h
u
s
,
w
e
ar
r
iv
e
at
th
e
g
e
n
er
al
eq
u
atio
n
o
f
m
a
g
n
eto
d
y
n
a
m
ics
:
(
)
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
⃗
(
)
⃗
⃗
⃗
⃗
⃗
⃗
(
8
)
E
q
u
atio
n
(
8
)
is
o
f
th
e
in
teg
r
o
-
d
if
f
er
e
n
tial
a
n
d
n
o
n
-
s
tat
io
n
ar
y
t
y
p
e,
its
r
eso
lu
tio
n
m
a
k
es
it
p
o
s
s
ib
le
to
d
eter
m
in
e
t
h
e
v
ec
t
o
r
p
o
ten
tial
,
an
d
an
y
o
th
er
p
ar
a
m
eter
s
s
i
n
ce
ev
er
y
d
er
iv
ati
v
e
o
f
.
T
o
s
o
lv
e
th
is
t
y
p
e
o
f
eq
u
a
tio
n
,
g
en
er
all
y
w
e
u
s
e
t
h
e
m
et
h
o
d
o
f
f
i
n
ite
d
i
f
f
er
e
n
ce
s
,
o
r
f
i
n
ite
ele
m
e
n
ts
,
f
o
r
o
u
r
ca
s
e
th
e
o
p
er
atio
n
o
f
a
C
A
D
s
o
f
t
w
ar
e
C
o
m
s
o
l
m
ak
e
s
it e
asier
f
o
r
u
s
t
h
e
tas
k
.
3.
RE
SO
L
UT
I
O
N
T
O
O
L
C
o
m
s
o
l
m
u
ltip
h
y
s
iq
u
e
s
(
FE
ML
A
B
)
is
a
n
u
m
er
ical
s
i
m
u
latio
n
to
o
l
th
at
allo
w
s
to
t
r
ea
t
m
an
y
p
r
o
b
lem
s
co
u
p
led
th
a
n
k
s
to
it
s
in
te
g
r
ated
b
an
k
a
n
d
o
f
v
er
y
v
ar
ied
p
h
y
s
ical
eq
u
atio
n
s
,
r
ep
r
esen
ted
b
y
p
ar
tial
d
if
f
er
e
n
tial e
q
u
at
io
n
s
.
T
h
is
s
o
f
t
w
ar
e
h
as
m
an
y
ad
v
a
n
ta
g
es s
u
ch
as:
th
e
u
s
e
o
f
a
g
r
ap
h
ical
in
ter
f
ac
e
co
n
tain
s
m
o
s
t o
f
t
h
e
eq
u
atio
n
s
;
ca
n
co
m
m
u
n
icate
w
i
th
o
t
h
er
s
o
f
t
w
ar
e
s
u
c
h
as M
A
T
L
A
B
,
So
lid
W
o
r
k
s
.
[
6
-
7
].
T
h
e
u
s
e
o
f
th
is
s
o
f
t
w
ar
e
allo
ws u
s
a
n
u
m
er
ical
s
i
m
u
lat
io
n
as
clo
s
e
as p
o
s
s
ib
le
to
r
ea
l s
y
s
te
m
s
.
W
h
ile
r
esp
ec
tin
g
t
h
e
f
o
llo
w
i
n
g
s
tep
s
:
Kn
o
w
led
g
e
o
f
t
h
e
d
i
m
en
s
io
n
s
o
f
th
e
m
o
d
el
to
b
e
s
tu
d
ied
Sch
e
m
atic
s
o
f
g
eo
m
etr
y
Dis
cr
etiza
tio
n
o
f
th
e
d
o
m
ai
n
a
n
d
s
o
lv
i
n
g
th
e
p
r
o
b
le
m
R
es
u
lts
i
n
t
h
e
f
o
r
m
o
f
a
cu
r
v
e
o
r
tex
t
4.
DE
S
I
G
N
O
F
T
H
E
T
WO
VA
RIAN
T
S
4
.
1
Syn
chro
nou
s
g
ener
a
t
o
r
w
it
h per
m
a
nent
a
x
ia
l f
lu
x
m
a
g
net
s
(
SG
P
M
)
.
T
h
e
ax
ial
f
lo
w
s
y
n
c
h
r
o
n
o
u
s
g
en
er
ato
r
co
n
s
is
ts
o
f
a
f
er
r
o
m
a
g
n
et
ic
s
teel
d
is
k
ca
lled
a
r
o
to
r
,
o
n
w
h
ic
h
ar
e
p
lace
d
p
er
m
a
n
en
t
m
ag
n
et
s
,
allo
w
i
n
g
t
h
e
p
r
o
d
u
ctio
n
o
f
a
m
ag
n
etic
f
ield
.
T
h
e
f
i
x
ed
s
tato
r
p
ar
t c
ar
r
ies s
lo
ts
,
in
w
h
ich
ar
e
p
u
t t
h
r
ee
th
r
ee
-
p
h
ase
w
i
n
d
in
g
s
,
w
h
ic
h
ca
n
b
e
o
p
er
ated
eith
er
s
tar
o
r
tr
ian
g
le
[8
-
9
]
.
I
n
th
i
s
p
ar
t
o
f
o
u
r
w
o
r
k
,
w
e
w
ill
tr
y
to
d
esig
n
a
SGP
M
w
it
h
p
o
w
er
0
.
8
k
W
,
ch
ar
ac
ter
is
tics
(
s
e
e
T
ab
le
1
)
,
an
d
n
am
ep
late.
T
ab
le
1
.
C
h
ar
ac
ter
is
ti
cs o
f
t
h
e
SGP
M
P
a
r
t
C
h
a
r
a
c
t
e
r
i
st
i
c
s
N
o
mi
n
a
l
v
o
l
t
a
g
e
1
5
0
V
N
o
mi
n
a
l
r
o
t
a
t
i
o
n
s
p
e
e
d
1
5
0
0
mi
n
-
1
N
o
mi
n
a
l
p
o
w
e
r
0
,
8
k
W
S
t
a
t
o
r
:
W
i
r
e
d
2
4
S
l
o
t
s
4
p
o
l
e
s
R
o
t
o
r
:
P
e
r
man
e
n
t
m
a
g
n
e
t
s
8
(
5
5
×
3
5
×
8
)
,
B
r
=
0
.
8
4
T
w
0
=
(
l
1
+
l
2
+
l
3
)
(
mm
)
60
R
0
-
R
1
(
mm
)
5
5
-
140
On
t
h
e
b
a
s
is
o
f
d
ata
o
f
t
h
e
g
e
n
er
ato
r
,
o
n
e
m
o
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e
s
to
t
h
e
C
o
m
s
o
l
s
o
f
t
w
ar
e
to
s
ch
e
m
atize
t
h
e
S
GP
M
(
Fig
u
r
e
1
)
,
an
d
s
i
m
u
late
s
t
h
e
s
y
s
te
m
.
Fi
g
u
r
e
1
(
a,
b
)
r
ep
r
es
en
ts
t
h
e
f
r
o
n
t
v
ie
w
i
n
3
D,
a
n
d
th
e
le
f
t
v
ie
w
o
f
th
e
g
en
er
ato
r
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
A
p
p
l P
o
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er
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n
g
I
SS
N:
2252
-
8792
S
iz
in
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in
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u
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o
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n
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ch
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(
D.
La
h
o
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el
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113
(
a
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(
b
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Fig
u
r
e
1
.
Geo
m
e
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y
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f
t
h
e
ax
i
al
f
lo
w
s
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n
c
h
r
o
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o
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e
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ato
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o
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eter
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i
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eter
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e
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s
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e
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r
e
t
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at
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e
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n
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y
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d
o
e
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o
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o
r
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d
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en
o
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m
o
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e
s
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e
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etiza
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d
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e
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eso
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o
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h
e
p
r
o
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lem
.
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h
e
r
esu
lts
o
b
tain
ed
ar
e
s
h
o
w
n
i
n
Fi
g
u
r
e
2
.
Fig
u
r
e
2
.
Dis
tr
ib
u
tio
n
o
f
SGP
M
m
ag
n
etic
f
ield
li
n
es B
in
3
D
Fig
u
r
e
3
s
h
o
w
s
t
h
e
v
ar
iatio
n
o
f
th
e
m
a
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tic
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ctio
n
at
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g
ap
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e
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y
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a
m
ic
s
tate
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r
o
to
r
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ip
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ed
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d
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e
m
a
x
i
m
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9
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
I
n
t J
A
p
p
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o
w
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n
g
,
Vo
l.
8
,
No
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2
,
A
u
g
u
s
t 2
0
1
9
:
1
1
0
–
1
1
9
114
Fig
u
r
e
3
.
Ma
g
n
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i
n
d
u
c
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n
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f
u
n
ctio
n
o
f
t
h
e
a
n
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o
f
r
o
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Fig
u
r
e
4
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T
h
e
o
u
tp
u
t v
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t th
e
ter
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al
o
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s
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th
e
GSI
B
w
o
r
k
in
g
u
n
d
er
th
e
s
a
m
e
co
n
d
itio
n
s
an
d
co
n
f
i
g
u
r
atio
n
s
,
t
h
e
te
m
p
er
at
u
r
e
ev
o
lv
es
f
r
o
m
2
9
3
K
to
3
6
0
K
(
Fig
u
r
e
1
1
b)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
I
n
t J
A
p
p
l P
o
w
er
E
n
g
,
Vo
l.
8
,
No
.
2
,
A
u
g
u
s
t 2
0
1
9
:
1
1
0
–
1
1
9
118
(
a)
(
b
)
Fig
u
r
e
1
1
.
T
em
p
er
atu
r
e
d
is
tr
ib
u
tio
n
i
n
SGP
M
an
d
SGI
B
af
t
e
r
1
8
0
0
s
T
h
e
tem
p
er
at
u
r
e
f
ield
i
s
al
m
o
s
t
u
n
i
f
o
r
m
f
o
r
b
o
th
ca
s
e
s
,
an
d
w
it
h
th
e
s
a
m
e
in
it
ial
co
n
d
itio
n
s
(
d
im
e
n
s
io
n
s
,
cu
r
r
en
t
d
en
s
it
y
,
a
m
b
ien
t
te
m
p
er
at
u
r
e,
etc.
)
,
t
h
e
r
esu
l
ts
o
f
t
h
e
co
il
in
d
u
cto
r
ar
e
b
etter
co
m
p
ar
ed
w
it
h
t
h
e
p
er
m
an
e
n
t
m
ag
n
et
g
en
er
ato
r
.
Th
e
r
esu
lts
o
f
t
h
e
te
m
p
er
at
u
r
e
as
a
f
u
n
ct
io
n
o
f
ti
m
e
f
o
r
a
d
u
r
atio
n
o
f
1
8
0
0
s
,
w
er
e
r
ec
o
r
d
ed
alo
n
g
th
e
air
g
ap
o
f
th
e
t
w
o
m
o
d
els,
ar
e
s
h
o
w
n
i
n
Fi
g
u
r
e
1
2
(
a,
b
)
.
Fig
u
r
e
1
2
(
a)
s
h
o
w
s
th
e
v
ar
iat
io
n
o
f
th
e
te
m
p
er
atu
r
e
at
th
e
a
ir
g
ap
o
f
th
e
GS
A
P
w
h
o
s
e
m
a
x
v
al
u
e
i
s
o
f
th
e
o
r
d
er
o
f
3
4
5
K.
Fig
u
r
e
1
2
(
b
)
s
h
o
w
s
th
e
v
ar
iatio
n
o
f
th
e
te
m
p
er
at
u
r
e
at
th
e
air
g
ap
o
f
th
e
GSI
B
w
h
o
s
e
m
ax
v
a
lu
e
is
o
f
t
h
e
o
r
d
er
o
f
3
2
5
K.
Fo
r
a
ti
m
e
g
r
ea
ter
th
a
n
1
8
0
0
s
,
th
e
te
m
p
er
at
u
r
e
d
if
f
er
en
ce
in
cr
ea
s
e
s
w
h
ic
h
r
eq
u
ir
es a
co
o
lin
g
cir
cu
it f
o
r
b
o
th
m
o
d
els.
(
a)
(
b
)
Fig
u
r
e
1
2
.
T
h
e
te
m
p
er
atu
r
e
p
r
o
f
ile
in
t
h
e
air
g
ap
f
o
r
th
e
t
w
o
m
o
d
el
s
s
u
cc
es
s
iv
el
y
(
GS
A
P
a
n
d
GSI
B
)
T
h
r
o
u
g
h
o
u
t th
e
a
n
al
y
s
is
,
t
h
e
r
esu
lt
s
o
b
tain
ed
f
o
r
th
e
ca
s
e
o
f
t
w
o
m
ac
h
in
e
s
ar
e
v
er
y
clo
s
e,
s
u
ch
a
s
t
h
e
m
ag
n
etic
i
n
d
u
ctio
n
at
th
e
air
g
ap
,
an
d
t
h
e
o
u
tp
u
t
v
o
ltag
e
o
f
t
w
o
g
en
er
ato
r
s
,
a
s
w
ell
as
t
h
e
te
m
p
er
at
u
r
e.
T
h
e
r
ep
lace
m
e
n
t o
f
t
w
o
m
a
g
n
et
s
(
f
ac
e
to
f
ac
e)
,
b
y
a
s
i
n
g
le
co
il,
allo
w
ed
u
s
d
u
r
i
n
g
t
h
is
s
t
u
d
y
to
:
A
d
j
u
s
t t
h
e
m
ag
n
etic
i
n
d
u
ctio
n
an
d
th
e
o
u
tp
u
t v
o
lta
g
e
w
h
ile
ac
tin
g
o
n
th
e
e
x
cita
t
io
n
cu
r
r
e
n
t.
Dec
r
ea
s
e
th
e
t
h
er
m
al
e
f
f
ec
t
T
h
e
m
aj
o
r
d
is
ad
v
an
ta
g
e
o
f
t
h
e
GSI
B
is
th
e
n
ec
ess
it
y
o
f
t
h
e
b
r
u
s
h
r
i
n
g
s
at
t
h
e
lev
el
o
f
t
h
e
in
d
u
cto
r
.
T
h
e
ex
p
er
i
m
en
t
ca
r
r
ied
o
u
t
b
y
C
AD
m
ak
e
s
it
ea
s
ier
f
o
r
u
s
to
ca
lcu
late
a
n
d
d
i
m
e
n
s
io
n
a
co
il
eq
u
iv
ale
n
t
to
a
g
iv
e
n
p
er
m
a
n
e
n
t
m
a
g
n
et.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t
J
A
p
p
l P
o
w
er
E
n
g
I
SS
N:
2252
-
8792
S
iz
in
g
in
d
u
cto
r
s
o
f a
n
a
xia
l fl
u
x
s
yn
ch
r
o
n
o
u
s
g
en
era
to
r
(
D.
La
h
o
u
el
)
119
6.
CO
NCLU
SI
O
N
T
h
e
tr
an
s
f
o
r
m
atio
n
o
f
t
h
e
p
er
m
an
e
n
t
m
ag
n
et
in
d
u
cto
r
b
y
a
w
o
u
n
d
i
n
d
u
c
to
r
is
n
o
t
a
n
ea
s
y
tas
k
,
e
v
e
n
th
r
o
u
g
h
C
AD
to
o
ls
,
s
in
ce
t
h
ese
to
o
ls
r
eq
u
ir
e
a
g
r
ea
t
d
ea
l
o
f
co
n
tr
o
l.
I
n
o
u
r
ca
s
e,
a
n
d
in
o
r
d
er
to
tr
y
to
f
ac
ilit
ate
t
h
e
w
o
r
k
,
t
h
e
in
d
u
ct
o
r
h
as
b
ee
n
d
is
s
ec
ted
to
f
in
al
l
y
d
i
m
en
s
io
n
a
co
il
w
h
ile
tak
i
n
g
in
to
ac
co
u
n
t
t
h
e
in
d
u
ctio
n
i
n
th
e
air
g
ap
o
f
t
h
e
ax
ial
f
l
u
x
g
e
n
er
ato
r
an
d
t
h
e
n
u
m
b
er
o
f
p
o
les.
On
t
h
e
b
asi
s
o
f
t
h
ese
p
ar
a
m
eter
s
,
an
atte
m
p
t
h
a
s
b
ee
n
m
ad
e
to
d
i
m
e
n
s
io
n
a
s
i
n
g
le
co
il
co
r
r
esp
o
n
d
in
g
to
th
e
p
er
m
a
n
en
t
m
a
g
n
et
o
f
t
h
e
r
ef
er
e
n
ce
v
ar
ian
t.
T
h
e
r
e
w
i
n
d
in
g
o
f
t
h
e
co
il
in
d
u
cto
r
i
n
p
lace
o
f
t
h
e
p
er
m
a
n
e
n
t
m
ag
n
et,
allo
w
ed
u
s
to
a
n
al
y
ze
a
n
d
r
ec
o
v
er
th
e
r
esu
lt
s
s
u
ch
a
s
in
d
u
ctio
n
an
d
o
u
tp
u
t
v
o
lta
g
e,
t
o
m
a
k
e
a
co
m
p
ar
is
o
n
b
et
w
ee
n
th
e
t
w
o
m
ac
h
in
e
s
.
Fro
m
th
e
r
e
s
u
l
ts
o
b
tain
ed
,
it
was o
b
s
er
v
ed
th
at
t
h
e
y
ar
e
v
er
y
clo
s
e
ev
e
n
if
th
e
s
e
t
w
o
m
ac
h
i
n
es d
o
n
o
t
k
ee
p
th
e
s
a
m
e
w
ei
g
h
t a
n
d
v
o
lu
m
e.
RE
F
E
R
E
NC
E
S
[1
]
H.
A
ll
a
g
,
M
.
E.
H.
L
a
tr
e
c
h
e
,
M
.
R.
M
e
k
id
e
c
h
e
,
N.
I
k
h
lef
.
,
"
A
x
ial
M
a
g
n
e
ti
c
F
o
rc
e
s
Co
m
p
a
riso
n
in
L
in
e
a
r
a
n
d
No
n
li
n
e
a
r
M
o
d
e
l
o
f
F
e
rro
m
a
g
n
e
ti
c
Co
re
o
f
M
a
g
n
e
ti
c
Ac
tu
a
to
rs
,
"
M
e
d
we
ll
J
o
u
rn
a
ls
,
v
o
l.
7
,
n
o
.
2
,
p
p
.
1
1
9
9
-
1
2
0
2
,
2
0
0
7
.
[2
]
R.
Bl
a
n
c
h
e
t,
F
.
G
a
u
m
e
e
t
A
.
Bo
n
d
e
a
u
,
"
Op
ti
m
a
l
Distrib
u
ti
o
n
o
f
Cu
rre
n
t
in
a
n
Iro
n
-
F
re
e
Co
il
f
o
r
M
e
a
su
rin
g
o
f
M
a
g
n
e
ti
c
S
u
sc
e
p
ti
b
i
li
ty
,
"
Rev
u
e
o
f
a
p
p
ly P
h
y
sic
s M
a
rs
,
1
9
7
3
,
v
o
l.
8
3
.
[3
]
Be
n
n
e
c
ib
Ne
d
jo
u
a
,
"
Co
n
tri
b
u
t
io
n
to
th
e
S
t
u
d
y
o
f
a
Co
n
d
u
c
ti
v
e
M
HD
M
a
c
h
in
e
f
o
r
El
e
c
tri
c
a
l
Ne
t
wo
rk
Op
e
ra
ti
o
n
,
"
Un
iv
e
rsit
y
o
f
Ba
tn
a
.
A
l
g
e
ria
.
2
0
1
0
.
[4
]
He
d
jaz
i
Dje
m
a
i
, "
S
tu
d
y
a
n
d
De
sig
n
o
f
a
Do
u
b
le I
n
d
u
c
ti
o
n
L
in
e
a
r
M
o
to
r
,
"
Un
iv
e
rsity
o
f
Ba
tn
a
.
A
lg
e
ria
.
1
9
9
4
.
[5
]
J.
F
a
iz,
M
.
Eb
ra
h
im
i
-
S
a
lari
a
n
d
G
.
S
h
a
h
g
h
o
l
ian
,
"
Re
d
u
c
ti
o
n
o
f
Co
g
g
in
g
F
o
rc
e
in
L
in
e
a
r
P
e
rm
a
n
e
n
t
-
M
a
g
n
e
t
G
e
n
e
r
a
to
rs,"
in
IEE
E
T
ra
n
sa
c
ti
o
n
s o
n
M
a
g
n
e
ti
c
s
,
v
o
l.
4
6
,
n
o
.
1
,
p
p
.
1
3
5
-
1
4
0
,
Ja
n
.
2
0
1
0
.
[6
]
A
n
d
ré
Bu
c
h
a
u
,
W
o
lf
g
a
n
g
M
.
Ru
c
k
e
r
, "
A
n
a
l
y
sis o
f
a
T
h
re
e
-
p
h
a
se
Tran
sf
o
r
m
e
r
U
sin
g
COMS
OL
M
u
lt
ip
h
y
sic
s an
d
a
V
irt
u
a
l
Re
a
li
ty
En
v
iro
n
m
e
n
t
,
"
Un
iv
e
rsität
S
tu
tt
g
a
rt,
S
t
u
tt
g
a
rt,
G
e
r
m
a
n
y
,
2
0
1
1
.
[7
]
Du
d
n
ik
o
v
Ev
g
e
n
y
,
S
h
m
e
l
e
v
V
jac
h
e
sla
v
,
W
a
ld
e
B
e
rti
l
,
"
E
d
u
c
a
ti
o
n
a
l
e
lec
tro
n
ic
c
o
u
rse
”
T
h
e
o
r
y
o
f
th
e
El
e
c
tro
m
a
g
n
e
ti
c
F
ield
”
o
n
t
h
e
Ba
sis
o
f
th
e
P
ro
g
ra
m
Co
m
p
le
x
COMS
OL
M
u
lt
i
p
h
y
sic
s.
In
stit
u
te
o
f
Co
n
tro
l
P
r
o
b
lem
,
"
M
o
sc
o
w
,
Ru
ss
ia,
V
la
d
i
m
ir
S
tate
Tec
h
n
ica
l
Un
iv
e
rsit
y
,
Vla
d
im
ir,
Ru
ss
ia
.
[8
]
G
a
rriso
n
F
.
P
rice
,
T
o
d
d
D.
Ba
t
z
e
l,
M
ih
a
i
Co
m
a
n
e
sc
u
,
Bru
c
e
A.
M
u
ll
e
r
,
"
De
si
g
n
a
n
d
T
e
stin
g
o
f
a
P
e
rm
a
n
e
n
t
M
a
g
n
e
t
A
x
ial
F
lu
x
W
in
d
P
o
w
e
r
G
e
n
e
r
a
to
r
,"
P
e
n
n
sy
lv
a
n
ia S
tate
U
n
iv
e
rsity
,
A
lt
o
o
n
a
Co
ll
e
g
e
.
[9
]
Bu
il
d
i
n
g
sta
c
k
e
d
u
p
a
x
ial
a
lt
e
rn
a
t
o
rs,
S
c
o
ra
ig
W
in
d
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