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f
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elec
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[
1
]
.
T
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o
r
e,
th
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p
r
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b
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th
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h
u
m
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ex
p
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s
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e
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ize
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ld
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th
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s
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m
d
if
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er
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t
elec
tr
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p
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w
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y
s
tem
s
[
2
-
4
]
,
to
g
u
ar
an
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lif
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ield
s
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8792
IJ
A
P
E
Vo
l.
3
,
No
.
2
,
A
u
g
u
s
t
2
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1
4
:
115
–
1
2
3
116
I
n
th
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p
ap
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,
th
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p
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alg
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r
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ass
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1
.
5
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w
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also
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it
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atio
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g
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izatio
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[
2
-
4
]
.
T
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ased
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2.
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ING
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ted
in
Fi
g
.
1
.
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tio
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eq
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ip
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b
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as
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al,
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etr
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ca
l.
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e
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ip
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t
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o
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te
n
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n
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ate
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r
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p
s
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et
w
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n
t
h
ese
eq
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ip
m
e
n
ts
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h
er
e
ar
e
a
c
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m
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y
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te
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o
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s
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ar
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co
m
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a
n
d
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ee
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er
s
w
h
ich
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e
s
i
m
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w
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co
v
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g
all
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d
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t
r
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b
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h
is
co
m
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lica
tes t
h
e
tas
k
o
f
i
n
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esti
g
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n
th
e
f
i
f
t
y
h
er
tz
elec
t
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ic
f
ield
in
te
n
s
it
y
.
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m
an
b
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d
y
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s
allo
ca
te
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it
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n
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p
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n
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ie
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er
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g
.
2
.
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o
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k
s
ar
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n
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ted
w
it
h
o
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s
w
i
tch
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,
eq
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ip
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s
p
ec
tio
n
;
d
i
f
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en
t
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w
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r
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tc.
r
eq
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ir
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o
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f
5
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V
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w
itc
h
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d
s
(
s
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b
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ter
r
ito
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y
)
.
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e,
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e
in
v
e
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tr
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ied
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t d
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r
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er
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s
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o
r
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taf
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h
e
f
ir
s
t
Sce
n
ar
io
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ied
o
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t
at
a
h
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g
h
t
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f
1
.
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m
ab
o
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th
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n
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v
el
w
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h
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n
ts
w
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r
k
er
(
s
taf
f
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s
ta
n
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in
g
w
it
h
h
i
s
f
o
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t
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g
r
o
u
n
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in
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8
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w
h
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h
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ts
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h
e
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o
s
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o
f
t
h
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(
s
ta
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f
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(
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an
d
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d
u
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te
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itio
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s
f
o
r
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d
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k
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e
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Scen
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r
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f
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w
h
ic
h
p
r
ese
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ts
t
h
e
p
o
s
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o
f
t
h
e
w
o
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(
s
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f
f
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in
(
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an
d
p
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d
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d
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o
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.
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n
th
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f
ield
m
o
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t
h
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ar
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d
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n
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V
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ee
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er
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d
o
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in
g
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f
ee
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er
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ar
e
ap
p
r
o
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m
ated
b
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ter
n
all
y
lo
ca
ted
li
n
e
ch
ar
g
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u
ch
a
s
i
m
p
l
i
f
icat
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n
i
s
ac
ce
p
tab
le
w
h
en
th
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f
iel
d
is
a
n
al
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d
a
t
a
lo
n
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g
h
d
is
ta
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ce
f
r
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m
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cto
r
,
e.
g
.
n
ea
r
th
e
g
r
o
u
n
d
s
u
r
f
ac
e.
T
h
e
elec
tr
ic
p
o
ten
ti
al
o
f
in
co
m
i
n
g
5
0
0
k
V
f
ee
d
er
s
,
o
u
tg
o
i
n
g
2
2
0
k
V
f
ee
d
er
s
an
d
b
u
s
-
b
ar
s
u
r
f
ac
e
s
h
as
b
ee
n
d
e
f
i
n
ed
as
co
m
p
lex
p
o
ten
tials
a
n
d
ass
u
m
ed
to
b
e
eq
u
al
to
th
eir
p
h
a
s
e
v
o
ltag
e.
T
h
ese
ass
u
m
p
t
io
n
s
l
ea
d
to
a
ch
ar
g
e
s
i
m
u
latio
n
m
et
h
o
d
f
o
r
m
u
latio
n
.
T
h
e
s
tan
d
b
y
b
u
s
-
b
ar
s
a
r
e
r
ep
r
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ted
b
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lin
e
c
h
ar
g
es,
th
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p
o
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tial
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as
s
u
m
ed
to
b
e
ze
r
o
.
T
h
e
in
f
lu
e
n
ce
o
f
t
o
w
er
in
s
u
lato
r
s
is
n
eg
lec
ted
w
h
en
t
h
e
f
ield
is
c
alcu
lated
.
I
n
th
i
s
p
ap
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th
e
H
V
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y
s
te
m
s
o
f
alter
n
a
tin
g
cu
r
r
en
t
ar
e
co
n
s
id
er
ed
,
th
er
ef
o
r
e
th
e
p
o
ten
tial a
n
d
ch
a
r
g
e
d
en
s
ities
ar
e
co
m
p
le
x
q
u
a
n
titi
e
s
.
I
n
th
is
p
ap
er
th
e
C
h
ar
g
e
Si
m
u
latio
n
Me
th
o
d
is
u
s
ed
to
co
m
p
u
te
th
e
elec
tr
ic
f
ield
s
[
5
]
,
w
h
e
r
e
th
e
liv
e
co
n
d
u
cto
r
s
ar
e
s
i
m
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lated
b
y
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n
u
m
b
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o
f
d
is
cr
ete
s
i
m
u
latio
n
ch
ar
g
es
lo
ca
ted
o
n
th
e
ax
is
o
f
th
ese
co
n
d
u
cto
r
s
.
V
alu
es
o
f
s
i
m
u
latio
n
c
h
ar
g
es
ar
e
d
eter
m
in
ed
b
y
s
atis
f
y
i
n
g
th
e
b
o
u
n
d
ar
y
co
n
d
itio
n
s
at
a
n
u
m
b
er
o
f
co
n
to
u
r
p
o
in
ts
s
elec
ted
at
t
h
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co
n
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cto
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s
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f
ac
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.
On
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u
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,
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e
n
t
h
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p
o
ten
t
ial
a
n
d
elec
tr
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f
i
eld
o
f
a
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y
p
o
in
t
in
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r
eg
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id
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h
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co
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b
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lcu
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u
s
in
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p
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eq
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at
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s
:
Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
A
P
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N:
2252
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A
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Fig
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[
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[
Q
P
V
(
1
)
W
h
er
e:
[
Q]
is
a
co
lu
m
n
v
ec
t
o
r
o
f
th
e
f
ictit
io
u
s
s
i
m
u
lat
io
n
ch
ar
g
es,
[
V]
is
a
co
lu
m
n
v
ec
to
r
o
f
th
e
p
o
ten
tial
g
iv
e
n
b
y
t
h
e
b
o
u
n
d
ar
y
co
n
d
it
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f
f
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,
6
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2
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8792
IJ
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IJ
A
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I
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N:
2252
-
8792
A
s
s
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s
men
t o
f E
lectric
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ield
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tr
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119
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3.
SIMUL
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D
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S
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h
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a
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d
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r
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d
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s
t th
e
ex
p
o
s
u
r
e
o
f
th
e
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tr
ic
f
ield
.
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h
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clo
th
es
ar
e
ig
n
o
r
ed
in
o
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r
s
im
u
latio
n
.
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h
e
r
esear
ch
r
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l
ts
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h
ar
e
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ap
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r
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t
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h
ese
r
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lts
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av
e
b
ee
n
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r
esen
ted
in
f
o
r
m
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th
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tr
ic
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ield
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is
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ib
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m
ap
s
a
n
d
s
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r
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ac
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d
is
tr
i
b
u
tio
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(
F
ig
.
3
&
Fi
g
.
4
)
.
T
h
e
r
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lts
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f
w
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k
ar
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r
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en
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y
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s
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th
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lar
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tio
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s
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b
s
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n
s
.
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r
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n
o
f
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th
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f
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m
o
f
m
ap
s
,
co
n
to
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r
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d
th
r
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en
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io
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a
l
f
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g
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t
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d
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co
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Fig
u
r
e
3
.
Ma
p
o
f
th
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ic
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ield
(
V/
m
)
d
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lectr
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2
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
2
5
2
-
8792
IJ
A
P
E
Vo
l.
3
,
No
.
2
,
A
u
g
u
s
t
2
0
1
4
:
115
–
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2
3
120
A
cc
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Sa
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1
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9
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3
[
8
]
,
em
p
lo
y
ee
s
,
s
er
v
i
n
g
elec
tr
i
ca
l
in
s
tal
latio
n
s
ar
e
p
er
m
i
tted
to
:
s
ta
y
i
n
t
h
e
5
0
-
H
Z
elec
tr
ic
f
iel
d
w
it
h
th
e
i
n
te
n
s
i
t
y
o
f
u
p
to
5
k
V
/
m
d
u
r
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n
g
t
h
e
w
o
r
k
i
n
g
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ay
;
s
ta
y
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n
t
h
e
5
0
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H
Z
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tr
ic
f
ie
ld
w
it
h
th
e
i
n
te
n
s
it
y
f
r
o
m
5
to
2
0
k
V
/
m
d
u
r
i
n
g
li
m
i
ted
ti
m
e,
ca
lcu
lated
as
f
o
llo
w
s
:
2
50
E
T
(
6
)
W
h
er
e
E
is
th
e
elec
tr
ic
f
ield
in
ten
s
i
t
y
i
n
k
V/
m
in
t
h
e
co
n
tr
o
ll
ed
ar
ea
,
T
is
th
e
ti
m
e
in
h
r
s
.
T
h
er
ef
o
r
e
w
h
en
th
e
elec
tr
ic
f
i
eld
in
t
e
n
s
i
t
y
is
in
r
an
g
e
f
r
o
m
2
0
to
2
5
k
V/
m
,
s
ta
y
o
f
t
h
e
s
t
af
f
i
n
th
i
s
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tr
ic
f
ield
s
h
o
u
ld
n
o
t e
x
ce
e
d
1
0
m
in
u
te
s
;
Ma
x
i
m
al
p
er
m
i
tted
lev
el
o
f
t
h
e
elec
tr
ic
f
ield
i
n
te
n
s
it
y
in
o
p
en
d
is
tr
ib
u
tio
n
s
u
b
s
tatio
n
is
2
5
k
V
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m.
Sta
y
i
n
g
in
t
h
e
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tr
ic
f
ield
w
it
h
t
h
e
in
ten
s
it
y
o
f
m
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r
e
t
h
an
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5
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th
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t
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s
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o
f
th
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p
r
o
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eq
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ip
m
e
n
t is
n
o
t p
er
m
itted
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in
g
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n
g
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h
e
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lated
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ic
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ield
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te
n
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it
i
s
d
eter
m
i
n
ed
th
e
p
o
in
t
s
w
h
er
e
t
h
e
el
ec
tr
ic
f
ield
in
te
n
s
it
y
r
ea
c
h
es
t
h
e
m
ax
i
m
u
m
e
x
p
o
s
u
r
e
li
m
it
v
al
u
es
5
,
1
0
,
1
5
,
2
0
k
V/
m
.
T
ab
le
1
d
ep
icts
,
in
p
er
ce
n
t
s
,
v
al
u
es
o
f
zo
n
es
w
i
th
elec
tr
ic
f
ield
in
t
en
s
it
ies
less
5
k
V
/
m
(
zo
n
e
o
f
s
ec
u
r
it
y
)
an
d
h
i
g
h
er
5
k
V/
m
(
zo
n
e
o
f
in
f
l
u
e
n
ce
)
at
s
ce
n
ar
io
1
.
R
esu
lts
o
f
ca
lc
u
la
ted
d
ata
an
al
y
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i
s
in
(
T
ab
le
1
)
ar
e
s
h
o
w
ed
t
h
at,
in
a
v
er
ag
e;
4
2
.
3
%
o
f
t
h
e
o
p
en
d
is
tr
ib
u
tio
n
s
u
b
s
tatio
n
s
o
cc
u
p
y
t
h
e
ter
r
ito
r
y
o
n
w
h
ich
t
h
e
elec
tr
ic
f
ield
d
o
es
n
o
t
ex
ce
ed
5
k
V
/
m
(
zo
n
e
o
f
s
ec
u
r
it
y
)
.
An
d
t
h
e
ter
r
ito
r
y
o
f
o
p
en
d
is
tr
ib
u
tio
n
s
u
b
s
tat
io
n
s
a
t
w
h
ic
h
th
e
elec
tr
ic
f
ield
i
s
g
r
ea
ter
th
a
n
5
k
V
/
m
,
w
h
er
e
it
r
eq
u
ir
e
s
li
m
ite
d
s
ta
y
ti
m
e
f
o
r
s
a
f
et
y
p
er
f
o
r
m
a
n
ce
o
f
w
o
r
k
,
i
s
ca
lled
t
h
e
zo
n
e
o
f
e
lectr
ic
f
ield
in
f
lu
e
n
ce
.
T
h
is
ter
r
ito
r
y
ta
k
es,
in
av
er
a
g
e,
ab
o
u
t 5
7
.
7
% o
f
th
e
o
p
en
d
is
tr
ib
u
tio
n
s
u
b
s
tatio
n
.
T
h
e
d
is
tr
ib
u
tio
n
o
f
t
h
e
elec
tr
ic
f
ield
i
n
te
n
s
i
t
y
in
th
e
zo
n
e
o
f
e
lectr
ic
f
ield
in
f
l
u
en
ce
w
h
er
e
t
h
e
elec
tr
ic
f
ield
in
ten
s
it
y
h
i
g
h
er
5
k
V/
m
is
as f
o
llo
w
s
:
2
1
.
5
% o
f
th
e
ter
r
ito
r
y
f
alls
o
n
th
e
zo
n
e
w
it
h
t
h
e
elec
tr
ic
f
ie
ld
f
r
o
m
5
to
1
0
k
V/
m
,
T
h
e
zo
n
e
f
r
o
m
1
0
k
V
to
1
5
k
V/
m
i
s
m
u
c
h
s
m
aller
(
ab
o
u
t 1
1
.
3
% o
f
th
e
ter
r
ito
r
y
o
f
A
I
S).
T
h
e
zo
n
e
f
r
o
m
1
5
k
V
to
2
0
k
V/
m
i
s
ab
o
u
t 1
0
.
7
% o
f
th
e
ter
r
ito
r
y
o
f
A
I
S.
T
h
e
p
er
ce
n
tag
e
o
f
th
e
zo
n
e
with
t
h
e
in
ten
s
it
y
f
r
o
m
2
0
to
2
5
k
V/
m
,
w
h
er
e
th
e
p
er
m
is
s
io
n
s
ta
y
ti
m
e
i
s
n
o
t e
x
ce
ed
1
0
m
i
n
u
te
s
,
is
ab
o
u
t 7
% o
f
th
e
ter
r
ito
r
y
o
f
A
I
S.
T
h
e
in
ten
s
it
y
o
f
th
e
elec
tr
ic
f
ield
m
o
r
e
th
a
n
2
5
k
V/
m
,
w
h
er
e
th
e
p
r
esen
ce
w
ith
o
u
t
p
er
s
o
n
al
p
r
o
tectiv
e
eq
u
ip
m
en
t
is
p
r
o
h
ib
ited
,
an
d
th
e
v
alu
e
o
f
s
u
c
h
zo
n
es
is
th
e
ab
o
u
t
7
.
2
%
o
f
th
e
ter
r
ito
r
y
o
f
A
I
S.
Fig
u
r
e
4
.
T
h
e
elec
tr
ic
f
ield
d
is
tr
ib
u
tio
n
(
V/
m
)
in
s
id
e
s
elec
ted
s
u
b
s
tatio
n
s
w
i
tch
y
ar
d
d
u
r
in
g
s
ce
n
ar
io
1
.
Fig
.
5
a
n
d
Fi
g
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6
s
lo
w
t
h
e
ele
ctr
ic
f
ield
d
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tr
ib
u
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in
s
id
e
C
air
o
5
0
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s
u
b
s
tatio
n
f
o
r
t
h
e
o
th
er
t
w
o
s
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n
ar
io
s
2
&
3
m
e
n
tio
n
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p
r
ev
io
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s
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w
h
ile
T
ab
le
2
s
u
m
m
ar
ize
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e
m
ax
i
m
u
m
an
d
av
er
a
g
e
elec
t
r
ic
f
ield
v
al
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es
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o
r
d
if
f
er
e
n
t
w
o
r
k
i
n
g
co
n
d
itio
n
s
.
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IJ
A
P
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I
SS
N:
2252
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8792
A
s
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men
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ield
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121
Fig
u
r
e
5
.
Ma
p
o
f
th
e
elec
tr
ic
f
ield
(
V/
m
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d
is
tr
ib
u
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u
r
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6
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Ma
p
o
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tr
ic
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ield
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is
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air
o
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en
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3
.
0
50
100
150
200
250
300
0
50
100
150
200
250
300
350
400
0
500
0
100
00
150
00
200
00
250
00
300
00
350
00
400
00
450
00
500
00
550
00
600
00
650
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700
00
750
00
800
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850
00
900
00
950
00
100
000
105
000
110
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0
50
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150
200
250
300
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50
100
150
200
250
300
350
400
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0
0
2000
0
4000
0
6000
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8000
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1000
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1200
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1400
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1600
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1800
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2000
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2400
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2600
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2800
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3000
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I
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h
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ield
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o
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El
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t
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o
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n
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c
e
n
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r
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o
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n
d
b
y
O
n
)
1
.
5
m
Et
(
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a
x
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V
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m)
i
n
s
i
d
e
a
l
l
su
b
2
1
.
9
8
2
3
.
5
Et
(
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a
x
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V
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i
n
s
i
d
e
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2
0
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V
S
w
i
t
c
h
y
a
r
d
1
8
.
7
7
2
2
.
7
8
Et
(
A
v
g
)
(
k
V
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m)
7
.
9
1
9
.
9
9
8
.
5
m
Et
(
M
a
x
)
(
k
V
/
m)
i
n
s
i
d
e
a
l
l
su
b
1
0
3
.
3
5
1
2
9
.
9
9
Et
(
M
a
x
)
(
k
V
/
m)
i
n
s
i
d
e
5
0
0
k
V
S
w
i
t
c
h
y
a
r
d
8
3
.
7
1
7
5
.
3
6
Et
(
A
v
g
)
(
k
V
/
m)
9
.
0
4
1
3
.
9
4
1
1
m
Et
(
M
a
x
)
(
k
V
/
m)
i
n
s
i
d
e
a
l
l
su
b
1
2
3
.
3
4
1
5
8
.
5
5
Et
(
M
a
x
)
(
k
V
/
m)
i
n
s
i
d
e
2
2
0
k
V
S
w
i
t
c
h
y
a
r
d
9
9
.
0
9
9
8
.
1
7
Et
(
A
v
g
)
(
k
V
/
m)
9
.
7
0
1
4
.
4
4
1
4
m
Et
(
M
a
x
)
(
k
V
/
m)
i
n
s
i
d
e
a
l
l
su
b
1
2
7
.
7
3
1
3
5
.
6
9
Et
(
A
v
g
)
(
k
V
/
m)
1
0
.
9
7
1
4
.
3
8
1
7
m
Et
(
M
a
x
)
(
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V
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m)
i
n
s
i
d
e
a
l
l
su
b
1
4
9
.
4
6
1
5
2
.
7
3
Et
(
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v
g
)
(
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V
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m)
1
0
.
6
9
1
2
.
5
5
Fro
m
th
e
s
e
f
ig
u
r
es
a
n
d
tab
le
p
r
esen
ted
ab
o
v
e,
it
is
f
o
u
n
d
th
at
th
e
m
a
x
i
m
u
m
ca
lc
u
lated
el
ec
tr
ic
f
ield
i
m
p
o
s
ed
to
th
e
h
u
m
a
n
b
o
d
y
d
u
r
in
g
h
o
t
-
s
tick
p
o
s
it
io
n
(
s
ce
n
ar
io
1
)
is
ab
o
u
t
2
3
.
5
k
V/
m
w
h
ile
t
h
e
m
a
x
i
m
u
m
m
ea
s
u
r
ed
elec
tr
ic
f
ield
im
p
o
s
ed
to
th
e
h
u
m
an
b
o
d
y
d
u
r
i
n
g
th
is
p
o
s
itio
n
(
s
ce
n
ar
io
1
)
is
a
b
o
u
t
2
3
k
V/
m
,
an
d
th
e
a
v
er
ag
e
ca
lcu
la
ted
elec
tr
i
c
f
ield
i
m
p
o
s
ed
to
t
h
e
h
u
m
a
n
b
o
d
y
d
u
r
i
n
g
h
o
t
-
s
tic
k
p
o
s
it
io
n
(
s
ce
n
ar
io
1
)
is
ab
o
u
t
1
0
k
V/
m
w
h
i
le
th
e
av
e
r
ag
e
m
ea
s
u
r
ed
elec
tr
ic
f
ield
i
m
p
o
s
ed
to
th
e
h
u
m
a
n
b
o
d
y
d
u
r
in
g
th
is
p
o
s
itio
n
(
s
ce
n
ar
io
1
)
is
ab
o
u
t
9
.
6
k
V/
m
.
T
h
er
ef
o
r
e
th
e
s
i
m
u
lat
io
n
r
esu
lt
s
ar
e
m
atc
h
ed
w
it
h
t
h
e
m
ea
s
u
r
ed
v
al
u
e
s
w
it
h
v
er
y
s
m
all
to
ler
an
ce
(
ab
o
u
t
2
.
2
%)
w
h
ic
h
is
b
ec
au
s
e
o
f
t
h
e
ass
u
m
p
tio
n
tak
e
n
d
u
r
in
g
th
e
s
i
m
u
latio
n
an
d
d
u
e
to
th
e
f
ield
m
eter
u
s
ed
in
th
e
m
ea
s
u
r
e
m
e
n
t
s
is
d
ep
en
d
en
t
o
n
th
e
n
at
u
r
al
o
f
p
lace
w
h
er
e
th
e
elec
tr
ic
f
ield
is
m
ea
s
u
r
ed
[
9
-
1
1
]
.
I
t
is
also
f
o
u
n
d
th
at
t
h
e
m
a
x
i
m
u
m
ca
lc
u
lated
elec
tr
ic
f
ield
i
m
p
o
s
ed
to
th
e
h
u
m
a
n
b
o
d
y
d
u
r
in
g
b
ar
e
-
h
an
d
p
o
s
itio
n
(
s
ce
n
ar
io
2
)
is
ab
o
u
t
1
5
8
.
6
k
V/
m
an
d
th
a
t
f
o
r
s
ce
n
ar
io
3
is
ab
o
u
t
1
5
2
.
7
k
V/
m
(
w
it
h
o
u
t c
o
n
s
id
er
in
g
t
h
e
ef
f
ec
ts
o
f
i
n
s
u
lati
n
g
clo
t
h
es)
w
h
ic
h
ar
e
co
n
s
is
te
n
t
w
it
h
o
th
er
r
elat
ed
s
tu
d
y
[
1
2
]
.
Fo
llo
w
i
n
g
t
h
e
elec
tr
ic
f
ield
d
u
r
in
g
li
v
e
l
in
e
m
ai
n
te
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CO
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IJ
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123
T
h
e
v
alu
e
o
f
elec
tr
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f
ie
ld
d
u
r
in
g
li
v
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p
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it.
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w
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t la
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f
o
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m
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n
liv
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m
a
in
te
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a
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ce
p
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s
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n
.
RE
F
E
R
E
NC
E
S
[1
]
L
.
Ortiz,
J.
Zo
letti
,
F
.
S
a
a
v
e
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ra
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A
.
G
o
n
z
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EL
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F
ield
Em
issio
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f
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m
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e
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tri
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p
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p
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1
9
9
4
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[2
]
W
HO
-
W
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rld
He
a
lt
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Org
a
n
iza
ti
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.
“
Ex
trem
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f
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v
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tal
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Crit
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Org
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v
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2
3
8
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2
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0
7
.
[3
]
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EM
F
De
sig
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li
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s f
o
r
El
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tri
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f
a
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o
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li
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p
t
2
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4
.
[4
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IEE
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t
d
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a
f
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Lev
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ls
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it
h
Re
sp
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m
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Ex
p
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ield
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td
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2
0
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2
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H.
M
a
li
k
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"
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Re
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w
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k
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F
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I.
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lad
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In
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),
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p
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.
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2
]
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.
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je
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s
k
i,
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m
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l
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e
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ig
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jec
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,
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c
ien
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e
M
e
a
su
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n
t
&
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h
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V
o
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e
:
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1
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p
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2
7
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9
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1
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ield
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h
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m
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/w
o
rk
e
rs.
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