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B
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Evaluation Warning : The document was created with Spire.PDF for Python.
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tif
ier
o
u
tp
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t
ter
m
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a
ls
an
d
t
h
e
3
Φ
in
v
er
ter
in
p
u
t
ter
m
in
al
s
w
h
ich
ar
e
s
h
o
w
n
i
n
th
e
F
i
g
u
r
e
s
2
,
3
.
2.
P
RO
B
L
E
M
F
O
R
M
UL
AT
I
O
N
Fig
u
r
e
1
s
h
o
w
s
th
e
ca
b
le
m
an
u
f
ac
t
u
r
in
g
p
r
o
ce
s
s
.
C
ab
le
p
u
llin
g
p
r
o
ce
s
s
is
o
n
e
o
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th
e
p
r
o
ce
s
s
es
d
u
r
in
g
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b
le
m
an
u
f
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tu
r
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n
g
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n
th
i
s
ca
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le
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d
u
s
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y
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ar
io
u
s
i
n
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ctio
n
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o
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s
ar
e
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s
ed
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a
m
el
y
1
h
p
,
3
h
p
,
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p
an
d
1
5
h
p
.
Am
o
n
g
t
h
ese
m
o
to
r
s
o
n
l
y
3
h
p
3
Φ
in
d
u
ctio
n
m
o
to
r
is
u
s
ed
to
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u
ll t
h
e
ca
b
le.
W
it
h
o
u
t p
r
o
p
er
p
u
lli
ng
to
r
q
u
e
ca
b
le
ca
n
n
o
t
b
e
tak
en
o
u
t
f
r
o
m
t
h
e
m
an
u
f
ac
tu
r
i
n
g
u
n
it.
T
h
is
m
a
n
u
f
ac
tu
r
i
n
g
u
n
it
c
o
m
p
r
i
s
es
o
f
co
p
p
er
s
u
p
p
l
y
,
cr
o
s
s
h
ea
d
,
d
ia
m
eter
c
o
n
tr
o
ller
,
w
ater
co
o
lin
g
tr
u
f
f
an
d
s
p
ar
k
test
er
.
C
ab
le
p
u
l
lin
g
u
n
it
co
m
p
r
i
s
es
o
f
ca
p
s
tan
m
ac
h
in
e,
ca
p
s
ta
n
m
o
t
o
r
an
d
i
ts
d
r
iv
es.
T
h
is
ca
p
s
ta
n
m
o
to
r
is
a
3
h
p
3
Φ
in
d
u
c
tio
n
m
o
to
r
.
C
u
r
r
en
tl
y
th
is
ca
b
le
in
d
u
s
tr
y
is
r
u
n
n
in
g
th
e
3
h
p
3
Φ
in
d
u
ctio
n
m
o
to
r
b
y
u
s
i
n
g
th
i
s
P
I
D
co
n
tr
o
ller
b
ased
VFD.
W
h
ile
u
s
in
g
th
is
d
r
iv
e
f
o
r
co
n
tr
o
llin
g
s
p
ee
d
o
f
th
r
ee
p
h
ase
m
o
to
r
,
VFD
is
af
f
ec
ted
b
y
v
o
ltag
e
f
l
u
ct
u
atio
n
s
(
i.e
.
Vo
ltag
e
s
ag
an
d
s
w
ell)
an
d
n
o
n
-
li
n
ea
r
lo
ad
.
T
h
er
ef
o
r
e
th
er
e
is
a
n
ec
ess
it
y
to
i
n
ter
f
a
ce
r
o
b
u
s
t
co
n
tr
o
ller
w
it
h
t
h
e
3
h
p
3
Φ
in
d
u
ctio
n
m
o
to
r
.
Oth
er
w
is
e
s
p
ee
d
tr
ac
k
in
g
p
er
f
o
r
m
a
n
ce
w
o
u
ld
b
e
p
o
o
r
.
I
t
lead
s
to
ac
tu
al
s
p
ee
d
lack
s
f
r
o
m
r
ef
er
e
n
ce
s
p
ee
d
.
I
n
a
clo
s
ed
lo
o
p
s
y
s
te
m
o
f
ca
b
le
i
n
d
u
s
tr
y
,
i
f
ac
t
u
al
s
p
ee
d
is
n
o
t
ab
le
to
f
o
llo
w
th
e
r
e
f
er
en
ce
s
p
ee
d
in
a
co
r
r
ec
t
m
a
n
n
er
th
e
n
d
es
ir
ed
o
u
tp
u
t
ca
n
n
o
t
b
e
ac
h
iev
ed
b
y
th
a
t
s
y
s
te
m
.
Ulti
m
a
tel
y
d
e
s
ir
ed
p
r
o
d
u
ct
o
f
th
e
ca
b
le
in
d
u
s
tr
y
(
i.e
.
v
ar
io
u
s
d
ia
m
eter
ca
b
les)
ca
n
n
o
t
b
e
o
b
tain
ed
if
ac
t
u
al
s
p
ee
d
lack
s
m
o
r
e
f
r
o
m
th
e
r
ef
er
en
ce
s
p
ee
d
.
T
h
is
i
s
t
h
e
p
r
o
b
le
m
w
h
ic
h
ar
is
e
s
w
h
e
n
P
I
D
b
ased
VFD
is
u
s
ed
to
co
n
tr
o
l
3
h
p
3
Φ
in
d
u
ctio
n
m
o
t
o
r
.
Mo
r
eo
v
er
Var
iab
le
s
p
ee
d
o
p
er
atio
n
o
f
t
h
e
ca
p
s
ta
n
m
o
to
r
is
r
eq
u
ir
ed
w
h
e
n
m
o
to
r
h
as to
p
u
ll t
h
e
v
ar
io
u
s
d
ia
m
eter
ca
b
les n
a
m
el
y
4
.
7
5
m
m
,
1
0
.
3
5
mm
.
2
.
1
.
Ca
ps
t
a
n m
a
ch
ine lo
a
di
ng
da
t
a
I
n
F
ig
u
r
e
1
,
th
e
ca
p
s
tan
m
ac
h
in
e
i
s
a
cir
cu
lar
p
u
lle
y
w
h
ic
h
is
h
av
i
n
g
a
d
ia
m
eter
o
f
1
2
cm
.
T
h
is
cir
cu
lar
p
u
lle
y
is
co
u
p
l
ed
w
it
h
t
h
e
3
h
p
3
Φ
in
d
u
ctio
n
m
o
to
r
.
C
ab
le
is
co
m
i
n
g
o
u
t
o
f
t
h
e
d
ia
m
e
ter
co
n
tr
o
ller
af
ter
m
an
u
f
ac
tu
r
i
n
g
.
Dis
tan
ce
b
et
w
ee
n
th
e
d
ia
m
et
er
co
n
tr
o
ller
an
d
th
e
p
u
lley
is
4
m
.
Hen
ce
p
u
lle
y
h
as to
p
u
ll t
h
e
ca
b
l
e
w
h
ic
h
is
h
av
i
n
g
th
e
le
n
g
t
h
o
f
4
m
.
C
ase
(
i)
C
ab
le
is
n
o
t
co
m
i
n
g
o
u
t
o
f
th
e
d
ia
m
e
ter
co
n
tr
o
ller
(
i.e
.
ca
b
le
is
n
o
t
m
an
u
f
ac
t
u
r
ed
)
.
T
h
er
ef
o
r
e
ca
p
s
tan
m
o
to
r
is
r
u
n
n
i
n
g
u
n
d
e
r
n
o
lo
ad
.
A
p
p
lied
lo
ad
to
r
q
u
e
o
n
th
e
m
o
to
r
=
0
Nm
C
ase
(
ii)
C
ab
le
is
co
m
i
n
g
o
u
t
o
f
th
e
d
ia
m
eter
co
n
tr
o
ller
v
ia
s
p
ar
k
test
er
,
p
r
in
ter
to
r
ea
ch
th
e
ca
p
s
tan
m
ac
h
i
n
e.
I
n
th
is
ca
s
e
ca
p
s
ta
n
m
o
to
r
h
a
s
to
p
u
ll
th
e
4
m
ca
b
le
w
ith
t
h
e
d
ia
m
eter
o
f
4
.
7
5
m
m
.
T
h
is
4
.
7
5
m
m
d
ia
m
eter
ca
b
le
is
co
n
s
id
er
ed
to
b
e
h
alf
l
o
ad
f
o
r
th
e
ca
p
s
tan
m
o
to
r
.
E
q
u
iv
ale
n
t a
ppl
ied
lo
ad
to
r
q
u
e
o
f
4
.
7
5
m
m
d
ia
m
eter
ca
b
le
o
n
th
e
m
o
to
r
=
6
Nm
C
ase
(
iii)
I
n
th
i
s
ca
s
e
ca
p
s
ta
n
m
o
to
r
h
a
s
to
p
u
ll
t
h
e
4
m
ca
b
le
w
it
h
t
h
e
d
ia
m
eter
o
f
10
.
35
mm.
T
h
is
10
.
3
5
m
m
d
ia
m
eter
ca
b
le
is
co
n
s
id
er
ed
to
b
e
f
u
ll
lo
ad
f
o
r
th
e
ca
p
s
tan
m
o
to
r
.
E
q
u
iv
ale
n
t a
p
p
lied
lo
ad
to
r
q
u
e
o
f
1
0
.
3
5
m
m
d
ia
m
eter
ca
b
le
o
n
th
e
m
o
to
r
=
12
Nm
.
I
n
o
r
d
er
to
p
u
ll
t
h
e
h
ig
h
d
ia
m
eter
ca
b
le
(
1
0
.
3
5
m
m
)
,
lo
w
s
p
ee
d
(
8
0
0
r
p
m
)
w
it
h
h
i
g
h
to
r
q
u
e
o
f
m
o
to
r
is
r
eq
u
ir
ed
.
On
t
h
e
o
t
h
er
h
a
n
d
to
p
u
ll
th
e
lo
w
d
ia
m
eter
c
ab
le
(
4
.
7
5
m
m
)
,
h
ig
h
s
p
ee
d
(
1
4
5
0
r
p
m
)
w
it
h
lo
w
to
r
q
u
e
o
f
m
o
to
r
is
r
eq
u
ir
ed
.
Ho
w
e
v
er
in
t
h
is
p
ap
er
,
b
o
th
h
al
f
(
6
N
m
)
an
d
f
u
ll
lo
ad
(
1
2
Nm
)
is
ap
p
lied
o
n
b
o
th
lo
w
s
p
ee
d
(
8
0
0
r
p
m
)
an
d
h
i
g
h
s
p
ee
d
(
1
4
5
0
r
p
m
)
.
C
o
n
s
eq
u
etiv
el
y
,
ac
tu
al
s
p
ee
d
o
f
th
e
m
o
to
r
is
g
o
i
n
g
to
b
e
v
er
if
ied
w
i
th
t
h
e
r
e
f
er
en
ce
s
p
ee
d
(
i.e
.
8
0
0
r
p
m
,
1
4
5
0
r
p
m
)
u
n
d
er
n
o
lo
ad
,
h
alf
lo
ad
,
f
u
ll
l
o
ad
co
n
d
itio
n
s
f
o
r
b
o
th
p
r
o
p
o
s
ed
co
n
tr
o
ller
s
.
T
h
e
f
o
llo
w
in
g
tab
le
r
e
v
ea
ls
t
h
e
p
o
o
r
s
p
ee
d
tr
ac
k
in
g
p
er
f
o
r
m
an
ce
o
f
P
I
D
b
ased
VF
D
w
h
e
n
it
is
in
ter
f
ac
ed
w
it
h
3
h
p
3
Φ
in
d
u
c
tio
n
m
o
to
r
.
I
n
t
h
e
T
ab
le
1
,
f
o
u
r
d
if
f
er
en
t
d
is
t
u
r
b
an
ce
co
n
d
itio
n
s
ar
e
u
s
ed
f
o
r
th
r
ee
d
if
f
er
en
t
r
e
f
er
en
ce
s
p
e
ed
s
.
I
t
is
f
o
u
n
d
t
h
at
f
r
o
m
t
h
e
T
ab
le
1
,
s
p
ee
d
tr
ac
k
in
g
p
er
f
o
r
m
a
n
ce
o
f
th
i
s
cu
r
r
en
tl
y
w
o
r
k
i
n
g
P
I
D
b
ased
VFD
is
p
o
o
r
f
o
r
v
ar
io
u
s
d
is
tu
r
b
an
ce
co
n
d
itio
n
s
.
T
h
er
ef
o
r
e
t
w
o
p
r
o
p
o
s
ed
co
n
tr
o
ller
s
ar
e
p
r
o
p
o
s
ed
f
o
r
m
ak
in
g
t
h
e
r
ep
lace
m
e
n
t
o
f
t
h
i
s
P
I
D
b
ased
VFD.
B
esid
es
it
is
r
ec
o
m
m
e
n
d
ed
th
at
ea
ch
p
r
o
p
o
s
ed
co
n
tr
o
ller
h
as
to
b
e
in
ter
f
ac
ed
w
ith
th
e
3
h
p
3
Φ
in
d
u
ctio
n
m
o
to
r
s
ep
ar
ately
a
n
d
it
’
s
p
er
f
o
r
m
a
n
ce
h
as to
b
e
ch
ec
k
e
d
s
ep
ar
ately
.
Evaluation Warning : The document was created with Spire.PDF for Python.
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d
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mo
t
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(
H.
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a
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h
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127
P
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2
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ase
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4.
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D
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u
r
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ase
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s
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o
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u
r
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3.
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f
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s
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s
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u
r
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2.
B
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n
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w
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d
f
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th
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ller
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Evaluation Warning : The document was created with Spire.PDF for Python.