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p
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[
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p
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[
2
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B
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4
].
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n
h
a
v
e
f
u
l
l
s
u
p
p
l
y
v
o
l
tag
e
w
h
e
n
t
h
e
y
r
u
n
u
p
to
n
ea
r
r
ated
s
p
ee
d
.
C
o
m
p
ar
is
o
n
b
e
t
w
ee
n
t
h
e
d
i
f
f
er
en
t
s
tar
tin
g
m
et
h
o
d
s
o
f
i
n
d
u
ctio
n
m
o
to
r
in
ter
m
s
o
f
p
o
w
er
q
u
alit
y
i
s
to
f
i
g
u
r
e
o
u
t
t
h
e
r
elia
b
le
s
tar
tin
g
m
eth
o
d
w
h
ic
h
h
a
s
th
e
le
s
s
p
o
w
er
q
u
a
li
t
y
p
r
o
b
lem
s
[
7
].
T
h
e
r
ed
u
ctio
n
in
co
s
t
o
f
i
n
s
ta
llatio
n
a
n
d
less
u
tili
za
t
io
n
o
f
t
h
e
s
y
s
te
m
,
it
i
s
i
m
p
o
r
tan
t
to
r
ed
u
ce
th
e
h
ea
v
y
in
r
u
s
h
cu
r
r
en
t
at
s
tar
tin
g
o
f
in
d
u
ctio
n
m
o
to
r
w
it
h
o
u
t
th
e
lo
s
s
o
f
to
r
q
u
e
g
e
n
er
atio
n
an
d
it
w
il
l
en
h
an
ce
th
e
V
A
ca
p
ab
ilit
y
o
f
th
e
m
o
to
r
an
d
i
m
p
r
o
v
e
t
h
e
o
v
er
all
p
er
f
o
r
m
a
n
ce
o
f
th
e
m
o
to
r
[
8
]
.
E
f
f
i
cien
t to
r
q
u
e/c
u
r
r
en
t
ch
ar
ac
ter
is
tic
s
ar
e
p
r
o
v
id
ed
b
y
ST
A
R
-
DE
L
T
A
,
i
n
d
u
s
tr
ies
p
r
ef
er
ST
A
R
-
DE
L
T
A
s
tar
ter
s
f
o
r
th
eir
ap
p
licatio
n
.
T
h
e
lar
g
e
a
m
o
u
n
ts
o
f
lo
s
s
es
wh
ich
o
cc
u
r
at
lo
w
s
p
ee
d
s
d
eter
m
i
n
e
t
h
e
u
s
er
s
g
i
v
en
b
y
th
e
wo
u
n
d
r
o
to
r
o
n
l
y
f
o
r
s
tar
tin
g
.
T
h
e
lo
s
s
es
s
p
ec
i
f
ic
to
t
h
e
ad
d
itio
n
al
r
o
to
r
r
esis
to
r
ar
e
q
u
i
te
i
m
p
o
r
tan
t
wh
ile
a
n
al
y
zi
n
g
t
h
e
p
er
f
o
r
m
a
n
ce
o
f
t
h
e
i
n
d
u
ctio
n
m
o
to
r
[
9
].
I
n
d
u
s
tr
ie
s
w
ill
o
p
er
ate
th
r
ee
p
h
ase
in
d
u
ctio
n
m
o
to
r
s
at
d
elta
co
n
n
ec
tio
n
m
o
d
e
s
in
ce
m
a
ch
in
e
r
u
n
s
v
er
y
ef
f
icie
n
tl
y
w
h
e
n
th
e
m
ac
h
in
e
u
n
d
er
f
u
ll
y
lo
ad
ed
co
n
d
itio
n
.
W
h
en
th
e
m
o
to
r
is
lo
ad
ed
less
th
an
4
0
%
o
f
th
e
f
u
ll
lo
ad
,
it
r
u
n
s
u
n
d
er
in
ef
f
icien
t
en
er
g
y
zo
n
e.
So
,
t
h
e
in
d
u
ct
io
n
m
o
to
r
w
ill
co
n
s
u
m
e
m
o
r
e
p
o
w
er
f
r
o
m
th
e
s
u
p
p
l
y
s
id
e
d
u
r
in
g
p
ar
tiall
y
lo
ad
ed
co
n
d
itio
n
.
I
n
o
r
d
er
t
o
co
m
p
en
s
ate
th
e
p
o
w
er
co
n
s
u
m
p
tio
n
,
th
e
m
o
to
r
lo
ad
is
v
ir
tu
all
y
ad
d
ed
b
y
co
n
n
ec
ti
n
g
s
tato
r
w
i
n
d
in
g
f
r
o
m
d
elta
m
o
d
e
to
s
tar
m
o
d
e.
I
f
th
e
lo
ad
o
n
th
e
m
o
to
r
is
in
cr
ea
s
ed
ab
o
v
e
4
0
%
o
f
f
u
ll
lo
ad
cu
r
r
en
t,
w
in
d
i
n
g
co
n
n
ec
ti
o
n
au
to
m
atica
ll
y
c
h
an
g
es
f
r
o
m
s
tar
to
d
elta
f
o
r
ef
f
icien
t
o
p
er
atio
n
.
T
h
e
p
r
o
p
o
s
ed
co
n
v
er
ter
i
s
e
x
p
er
i
m
e
n
ta
ll
y
v
er
i
f
ied
o
n
t
h
r
ee
p
h
a
s
e
i
n
d
u
ctio
n
m
o
to
r
w
it
h
v
ar
iab
le
lo
ad
.
2.
RE
S
E
ARCH
M
E
T
H
O
D
2
.
1
.
E
x
i
s
t
ing
Sy
s
t
e
m
Mo
to
r
d
r
aw
s
m
o
r
e
cu
r
r
en
t
t
h
an
th
e
f
u
ll
lo
ad
at
th
e
ti
m
e
o
f
s
tar
ti
n
g
,
r
esu
l
tin
g
i
n
b
u
r
n
o
u
t
o
f
m
o
to
r
w
i
n
d
i
n
g
a
n
d
/
o
r
s
tar
ter
.
W
h
en
DOL
s
tar
ter
is
u
s
ed
,
b
ec
au
s
e
o
f
h
i
g
h
s
tar
tin
g
cu
r
r
en
t,
th
er
e
is
a
b
ig
v
o
ltag
e
d
ip
in
t
h
e
elec
tr
ical
in
s
tallat
io
n
a
n
d
th
er
ef
o
r
e
DO
L
s
tar
ter
is
n
o
t
s
u
itab
le
f
o
r
h
ig
h
er
r
ati
n
g
s
q
u
ir
r
el
ca
g
e
i
n
d
u
ctio
n
m
o
to
r
s
.
Si
g
n
i
f
ican
t
e
n
er
g
y
wastag
e
r
e
s
u
lts
r
ed
u
ce
d
m
o
to
r
lif
e.
T
h
e
s
y
s
te
m
w
h
ic
h
e
x
i
s
ts
is
s
tar
ti
n
g
c
u
r
r
en
t
r
ed
u
ctio
n
a
n
d
t
h
e
s
tar
ter
s
at
t
h
e
ti
m
e
o
f
s
tar
t
o
f
m
o
to
r
i
s
s
t
ar
-
d
elta
s
tar
ter
.
T
h
e
ST
A
R
-
D
E
L
T
A
s
tar
ter
is
u
s
ed
at
th
e
ti
m
e
o
f
s
tar
ti
n
g
o
n
l
y
,
n
o
t
u
n
d
er
r
u
n
n
in
g
co
n
d
it
io
n
.
T
h
e
s
tar
ter
m
a
y
b
e
o
p
er
ated
s
em
i
-
au
to
m
atica
l
l
y
o
r
f
u
ll
y
-
a
u
to
m
a
ticall
y
.
T
h
e
s
e
m
i
-
au
to
m
at
ic
o
p
er
atio
n
i
s
d
o
n
e
b
y
t
h
e
p
u
s
h
b
u
t
to
n
s
w
itc
h
.
F
u
ll
y
-
a
u
to
m
atic
s
tar
ter
is
b
u
ilt
w
it
h
th
e
ti
m
er
w
h
ic
h
i
s
u
s
ed
to
ch
an
g
e
th
e
ST
AR
to
DE
L
T
A
co
n
n
ec
t
io
n
af
ter
s
o
m
e
p
r
ed
ef
in
ed
ti
m
e.
T
h
e
b
o
th
t
y
p
es
o
f
ST
AR
-
DE
L
T
A
s
tar
ter
ch
a
n
g
es
t
h
e
w
in
d
in
g
co
n
n
ec
tio
n
f
r
o
m
ST
AR
t
o
DE
L
T
A
,
a
n
d
it
i
s
n
o
t
p
o
s
s
ib
le
to
ch
an
g
e
t
h
e
w
i
n
d
in
g
co
n
n
ec
tio
n
f
r
o
m
th
e
DE
L
T
A
to
ST
A
R
d
u
r
in
g
r
u
n
n
in
g
o
f
in
d
u
ctio
n
m
o
to
r
.
T
h
is
p
r
o
b
lem
is
o
v
er
co
m
e
b
y
e
m
p
lo
y
i
n
g
p
r
o
p
o
s
ed
s
tar
ter
w
it
h
i
n
d
u
ctio
n
m
o
to
r
w
h
ic
h
c
h
an
g
es
t
h
e
w
i
n
d
in
g
co
n
n
ec
tio
n
d
u
r
in
g
b
o
th
s
tar
t
in
g
an
d
r
u
n
n
in
g
co
n
d
itio
n
.
2
.
2
.
E
x
plo
re
d T
ec
hn
o
lo
g
y
T
h
e
b
lo
ck
d
iag
r
a
m
o
f
th
e
p
r
o
p
o
s
ed
d
elta
-
s
tar
-
d
elta
co
n
v
er
t
er
is
s
h
o
w
n
i
n
F
ig
u
r
e
1
.
T
h
e
c
o
n
v
er
ter
i
s
to
ch
an
g
e
t
h
e
w
in
d
i
n
g
co
n
n
e
ctio
n
f
r
o
m
ST
A
R
to
DE
L
T
A
an
d
v
ice
v
er
s
a
at
th
e
r
u
n
n
i
n
g
co
n
d
itio
n
o
f
th
e
in
d
u
ctio
n
m
o
to
r
.
T
h
e
s
w
itc
h
i
n
g
p
r
o
ce
s
s
is
d
o
n
e
ac
co
r
d
in
g
to
th
e
lo
ad
v
ar
iatio
n
o
f
th
e
m
o
to
r
at
p
ar
ticu
lar
in
s
ta
n
t.
T
h
e
co
n
s
tr
u
ct
io
n
o
f
t
h
e
co
n
v
er
ter
is
also
s
i
m
i
lar
to
th
e
s
tar
ter
w
it
h
th
e
s
m
al
l
m
o
d
i
f
icat
io
n
in
t
h
e
cir
cu
it.
I
t is an
a
u
to
m
a
tic
co
n
v
er
ter
an
d
th
e
au
to
m
atic
p
r
o
ce
s
s
is
m
ad
e
b
y
t
h
e
m
icr
o
co
n
tr
o
ller
.
I
n
th
e
a
n
cie
n
t
s
y
s
te
m
,
t
h
er
e
i
s
n
o
m
icr
o
co
n
tr
o
ller
av
ailab
le
.
An
y
o
n
e
o
f
t
h
e
p
h
a
s
e
is
ta
k
en
f
o
r
t
h
e
cu
r
r
en
t
s
e
n
s
in
g
u
s
i
n
g
cu
r
r
en
t
s
en
s
o
r
.
T
h
e
s
en
s
o
r
cir
cu
it
co
n
tin
u
o
u
s
l
y
s
en
s
es
t
h
e
lo
ad
v
ar
i
atio
n
in
th
e
m
o
to
r
an
d
th
e
o
u
tp
u
t
i
s
p
r
o
d
u
ce
d
ac
co
r
d
in
g
to
th
e
v
ar
iatio
n
o
f
lo
ad
.
W
h
en
t
h
e
lo
ad
o
n
th
e
m
o
to
r
is
les
s
th
a
n
4
0
%
o
f
th
e
f
u
ll
lo
ad
r
ated
cu
r
r
en
t,
th
e
co
n
tr
o
l
ler
ac
tiv
ates
th
e
ST
AR
co
n
n
ec
ted
co
n
tacto
r
s
,
s
o
th
at
th
e
m
o
to
r
ca
n
r
u
n
at
ST
A
R
co
n
n
ec
tio
n
.
W
h
e
n
t
h
e
lo
ad
o
n
th
e
m
o
to
r
is
ab
o
v
e
4
0
%
o
f
f
u
ll
lo
ad
r
ated
cu
r
r
en
t,
th
e
co
n
tr
o
ller
ac
tiv
ate
s
th
e
DE
L
T
A
co
n
n
ec
t
ed
co
n
tacto
r
s
,
s
o
th
at
t
h
e
m
o
t
o
r
ca
n
r
u
n
at
DE
L
T
A
co
n
n
e
ct
io
n
.
T
h
e
co
n
v
er
ter
ac
cu
r
atel
y
o
p
er
ates
f
o
r
th
e
p
r
e
-
s
ett
in
g
v
a
lu
e
o
f
t
h
e
c
u
r
r
en
t
s
e
n
s
o
r
.
I
f
th
e
m
o
to
r
lo
ad
cu
r
r
en
t
r
ea
ch
es
to
4
1
%
o
f
th
e
f
u
ll
lo
ad
r
ated
cu
r
r
en
t
th
e
co
n
v
er
ter
s
w
itc
h
es
t
h
e
m
o
to
r
f
r
o
m
ST
AR
to
DE
L
T
A
.
An
d
,
if
th
e
m
o
to
r
lo
ad
cu
r
r
en
t
co
m
e
s
3
9
%
o
f
th
e
f
u
l
l
lo
ad
cu
r
r
en
t,
th
e
co
n
v
er
ter
s
w
itc
h
e
s
th
e
m
o
to
r
f
r
o
m
DE
L
T
A
to
ST
A
R
.
T
h
e
co
n
v
er
ter
ca
n
s
en
s
e
t
h
e
cu
r
r
e
n
t
co
n
t
in
u
o
u
s
l
y
s
o
th
a
t
th
e
lo
s
s
es
ar
e
r
ed
u
ce
d
b
y
m
ax
i
m
u
m
a
m
o
u
n
t.
Mo
r
eo
v
er
,
th
e
co
n
v
er
ter
ca
n
also
b
e
u
s
ed
as st
ar
-
d
elta
s
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ter
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ier
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.
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ly
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it f
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ates
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r
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a.
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L
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0
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3
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w
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h
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g
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al
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d
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h
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th
e
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o
t
s
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o
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ate
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e
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y
.
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o
u
tp
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t
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f
th
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co
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ller
is
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h
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th
e
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elp
o
f
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n
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as
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h
o
w
n
in
F
ig
u
r
e
4
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
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C
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N:
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en
t
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elo
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t
h
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er
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ize
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R
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d
if
t
h
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o
n
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o
ller
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p
u
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s
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i
g
h
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t
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to
r
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h
e
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p
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a
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led
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th
e
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a
m
e
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o
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ller
.
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in
2
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s
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r
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.
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2
ar
e
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r
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m
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w
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u
s
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in
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e
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en
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z.
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h
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t
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co
n
n
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in
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9
.
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atic
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o
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w
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F
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g
u
r
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5
.
Fig
u
r
e
5
.
Sch
e
m
atic
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a
m
o
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th
e
C
o
n
tr
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ller
Un
it
T
h
e
o
u
tp
u
t
o
f
th
e
r
ela
y
d
r
iv
er
is
g
i
v
e
n
to
th
e
r
ela
y
co
il
f
o
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er
g
izi
n
g
.
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h
e
o
u
tp
u
t
o
f
t
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r
ela
y
d
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u
n
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eit
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er
0
V
o
r
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V.
T
h
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y
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co
n
n
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ted
i
n
1
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p
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o
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e
d
r
iv
er
I
C
.
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,
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h
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e
v
e
r
th
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tp
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o
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th
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y
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th
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n
t
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co
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s
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ac
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ated
.
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h
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elta
u
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s
also
u
s
ed
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n
n
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th
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m
o
to
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it
h
th
e
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ter
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t.
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h
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elay
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s
h
o
wn
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F
ig
u
r
e
6
.
Fig
u
r
e
6
.
W
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in
g
Dia
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r
a
m
o
f
Star
C
o
n
tacto
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
I
J
E
C
E
Vo
l.
7
,
No
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4
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A
u
g
u
s
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2
0
1
7
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0
6
–
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3
1710
T
h
e
o
u
tp
u
t
o
f
th
e
d
elta
r
elay
d
r
iv
er
u
n
it
is
eit
h
er
0
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o
r
5
V.
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,
w
h
e
n
ev
er
th
e
o
u
tp
u
t
o
f
th
e
r
elay
is
+5
V
th
e
n
th
e
d
elta
co
n
tacto
r
w
il
l
b
e
ac
tiv
ated
.
T
h
e
r
ela
y
/co
n
tac
to
r
w
ir
i
n
g
d
iag
r
a
m
f
o
r
t
h
e
s
tar
co
n
n
ec
ted
m
o
d
e
i
s
s
h
o
w
n
in
F
ig
u
r
e
7
.
Fig
u
r
e
7
.
W
ir
in
g
Dia
g
r
a
m
o
f
Delta
C
o
n
tac
to
r
W
ith
t
h
e
h
elp
o
f
t
h
e
ab
o
v
e
ar
r
an
g
e
m
e
n
ts
,
th
e
co
n
tac
to
r
s
ch
a
n
g
e
t
h
e
w
i
n
d
i
n
g
co
n
n
ec
tio
n
f
r
o
m
ST
A
R
to
DE
L
T
A
a
n
d
DE
L
T
A
to
S
T
A
R
s
i
m
u
lta
n
eo
u
s
l
y
w
h
i
le
t
h
e
m
o
to
r
is
u
n
d
er
r
u
n
n
i
n
g
c
o
n
d
itio
n
.
T
h
e
L
C
D
d
is
p
la
y
u
n
it
w
il
l
d
is
p
la
y
t
h
e
m
o
to
r
r
u
n
n
i
n
g
co
n
d
it
io
n
an
d
als
o
th
e
lo
ad
cu
r
r
en
t.
L
E
Ds
ar
e
u
s
ed
to
in
d
icate
th
e
s
tatu
s
o
f
t
h
e
r
ela
y
s
.
4.
RE
SU
L
T
S
A
ND
D
I
SCU
SS
I
O
N
T
h
e
co
n
v
er
ter
is
test
ed
w
it
h
5
HP
s
q
u
ir
r
el
ca
g
e
in
d
u
ctio
n
m
o
to
r
b
y
co
n
d
u
cti
n
g
s
i
m
p
le
b
r
ak
e
test
in
lab
o
r
ato
r
y
.
T
h
e
p
o
w
er
f
ac
to
r
o
f
th
e
m
ac
h
in
e
is
o
n
p
ar
w
it
h
t
h
e
s
tar
f
o
r
th
e
s
a
m
e
lo
ad
in
g
o
f
t
h
e
m
o
to
r
.
T
h
e
p
er
f
o
r
m
an
ce
o
f
th
e
i
n
d
u
ctio
n
m
o
to
r
is
g
o
o
d
in
d
elta
co
n
n
ec
tio
n
b
u
t
o
n
l
y
w
h
en
t
h
e
m
o
to
r
is
u
n
d
er
f
u
ll
y
lo
ad
ed
co
n
d
itio
n
.
U
n
d
er
n
o
lo
ad
o
r
p
ar
tiall
y
lo
ad
ed
co
n
d
itio
n
,
th
e
m
o
to
r
o
p
er
ated
in
in
e
f
f
icie
n
t
zo
n
e
s
i
n
ce
m
ac
h
in
e
co
n
s
u
m
e
s
m
o
r
e
e
n
er
g
y
t
h
a
n
s
tar
m
o
d
e.
T
h
e
tab
le
g
iv
en
b
elo
w
p
r
o
v
es
th
at
th
e
co
n
v
er
ter
ca
n
i
m
p
r
o
v
e
th
e
ef
f
ic
ien
c
y
o
f
th
e
m
o
to
r
at
t
h
e
s
a
m
e
ti
m
e;
i
t
ca
n
r
ed
u
ce
th
e
en
er
g
y
co
n
s
u
m
ed
b
y
t
h
e
m
o
to
r
s
i
g
n
i
f
ica
n
tl
y
.
T
ab
le
1
s
h
o
ws
ex
p
er
i
m
e
n
tal
d
ata
o
f
p
r
o
p
o
s
ed
c
o
n
v
er
ter
o
n
5
HP
i
n
d
u
ctio
n
m
o
to
r
.
T
ab
le
1
.
E
x
p
er
im
e
n
tal
Data
o
f
P
r
o
p
o
s
ed
C
o
n
v
er
ter
o
n
5
HP
I
n
d
u
ctio
n
Mo
to
r
L
o
a
d
C
u
r
r
e
n
t
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o
w
e
r
F
a
c
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o
r
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t
p
u
t
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o
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a
t
t
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ll lo
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m
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r
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T
h
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ad
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ar
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ter
is
tic
o
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e
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p
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th
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ar
iatio
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o
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h
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lo
ad
cu
r
r
en
t
f
o
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itio
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.
As
p
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ad
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ad
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r
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en
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s
m
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n
d
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n
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m
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o
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th
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.
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h
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s
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h
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th
a
t
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f
in
ac
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elta
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elta.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
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ig
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0
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f
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P
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Co
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DELT
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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Vo
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–
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1712
co
n
s
u
m
e
s
m
o
r
e
en
er
g
y
t
h
an
t
h
at
o
f
s
tar
co
n
n
ec
ted
m
o
d
e.
I
f
th
e
lo
ad
o
n
th
e
m
o
to
r
is
g
r
ea
ter
th
an
4
5
%
o
f
th
e
f
u
ll
lo
ad
,
th
e
m
ac
h
in
e
d
eli
v
er
s
h
i
g
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o
u
tp
u
t
p
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an
d
also
t
h
e
ef
f
icien
c
y
o
f
th
e
m
ac
h
i
n
e
is
h
ig
h
.
I
f
th
e
lo
ad
is
ab
o
v
e
6
5
% o
f
f
u
ll lo
ad
,
d
elta
co
n
n
ec
ted
m
o
d
e
co
n
s
u
m
es le
s
s
en
er
g
y
t
h
an
s
tar
co
n
n
ec
ted
m
o
d
e.
Mo
r
eo
v
er
,
th
e
lo
ad
o
n
m
o
to
r
is
≥
45
%,
th
e
s
av
ed
en
er
g
y
by
i
n
d
u
ctio
n
m
o
to
r
s
w
ith
s
ta
r
-
d
elta
-
s
tar
co
n
n
ec
tio
n
is
g
r
ea
ter
t
h
an
i
n
d
u
ctio
n
m
o
to
r
s
w
ith
t
h
y
r
is
to
r
co
n
tr
o
ller
.
A
s
p
er
[
1
]
,
th
e
p
o
w
er
co
n
s
u
m
p
tio
n
i
s
r
ed
u
ce
d
in
th
y
r
is
to
r
co
n
tr
o
lled
in
d
u
ctio
n
m
o
to
r
o
n
l
y
at
lo
ad
50
-
6
0
%
o
f
th
e
r
ated
lo
a
d
.
H
o
w
e
v
er
,
th
e
p
o
w
e
r
s
av
i
n
g
d
is
ap
p
ea
r
s
at
lo
ad
≥
4
0
%
o
f
th
e
r
ated
lo
ad
,
an
d
th
e
m
o
to
r
d
r
iv
e
lo
s
s
es
in
cr
ea
s
e
b
ec
au
s
e
o
f
lo
s
s
i
n
co
n
tr
o
ller
.
Mo
r
e
th
an
8
0
%
o
f
t
h
e
i
n
d
u
c
t
io
n
m
o
to
r
s
ar
e
li
g
h
t
lo
ad
ed
,
in
d
elta
co
n
n
ec
tio
n
,
s
ta
to
r
w
i
n
d
in
g
h
al
f
p
h
ase
v
o
ltag
e
is
r
ed
u
ce
d
to
0
.
8
6
6
V,
an
d
th
e
to
tal
lo
s
s
is
r
ed
u
ce
d
.
I
t
i
s
n
ec
es
s
ar
y
to
ch
an
g
e
o
n
e
o
f
t
w
o
p
o
s
s
ib
le
co
n
n
ec
tio
n
s
,
s
tar
co
n
n
ec
tio
n
o
r
d
elta
co
n
n
ec
tio
n
,
o
n
th
e
m
ea
n
v
al
u
e
o
f
th
e
b
ase
l
o
ad
.
Fro
m
th
e
r
esu
lt
s
h
o
w
n
i
n
f
ig
u
r
e
1
0
,
th
e
r
esear
ch
co
n
clu
d
e
s
th
at
t
h
e
s
i
g
n
if
ic
an
t
a
m
o
u
n
t
o
f
en
er
g
y
is
s
a
v
ed
d
u
r
in
g
p
ar
tial
lo
ad
to
f
u
ll lo
ad
o
n
t
h
e
m
ac
h
i
n
e.
5.
CO
NCLU
SI
O
N
T
h
is
w
o
r
k
co
n
cl
u
d
ed
th
at
t
h
e
s
tar
d
elta
co
n
v
er
ter
i
s
v
er
y
u
s
e
f
u
l
f
o
r
all
th
e
k
i
n
d
o
f
t
h
r
ee
p
h
ase
in
d
u
ctio
n
m
o
to
r
s
f
r
o
m
s
m
alle
r
r
atin
g
to
th
e
lar
g
er
r
atin
g
,
th
e
co
n
v
er
ter
ca
n
b
e
d
esig
n
ed
ac
co
r
d
in
g
l
y
.
I
n
t
h
e
p
r
esen
t
d
a
y
s
,
t
h
e
s
tar
ter
s
o
n
l
y
u
s
ed
an
d
it
h
as
lo
w
s
e
n
s
it
i
v
it
y
.
I
f
th
e
a
u
to
m
at
ic
s
tar
-
d
el
ta
-
s
tar
co
n
v
er
ter
is
r
ep
lace
s
th
e
co
n
v
e
n
tio
n
a
l
s
tar
ter
,
th
e
p
er
f
o
r
m
a
n
ce
a
n
d
h
e
n
ce
th
e
li
f
e
t
i
m
e
o
f
t
h
e
m
o
to
r
s
w
ill
b
e
i
n
cr
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RE
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[1
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:
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[2
]
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g
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h
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a
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a
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a
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.
[4
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Ch
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.
J.
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a
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u
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tals”
,
F
if
th
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it
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u
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:
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ra
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.
[5
]
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a
ra
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t
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l.
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e
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Iss
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]
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ter,
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t
a
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[7
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W
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a
m
s,
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Ja
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k
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t
a
l.
,
“
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a
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tarti
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strial
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m
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