I
nte
rna
t
io
na
l J
o
urna
l o
f
Appl
ied P
o
w
er
E
ng
ineering
(
I
J
AP
E
)
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
201
7
,
p
p
.
1
9
9
~
2
1
0
I
SS
N:
2
2
5
2
-
8792
,
DOI
: 1
0
.
1
1
5
9
1
/i
j
ap
e.
v
6
.
i3
.
p
p
1
9
9
-
210
199
J
o
ur
na
l ho
m
ep
a
g
e
:
h
ttp
:
//ia
e
s
jo
u
r
n
a
l.c
o
m/o
n
lin
e/in
d
ex
.
p
h
p
/I
J
APE
Reduced
Rati
ng
3
0
-
p
ulse AC
-
DC
C
o
nv
erte
r f
o
r
Po
w
er Q
ua
lity I
mpro
v
e
m
en
t
Ro
ho
lla
h Abdo
lla
hi
De
p
a
rt
m
e
n
t
o
f
El
e
c
tri
c
a
l
En
g
in
e
e
rin
g
,
T
e
c
h
n
ica
l
a
n
d
Vo
c
a
ti
o
n
a
l
U
n
iv
e
rsity
(Qo
m
Bo
y
s
T
e
c
h
n
ica
l
Co
ll
e
g
e
),
Qo
m
,
Ira
n
Art
icle
I
nfo
AB
ST
RAC
T
A
r
ticle
his
to
r
y:
R
ec
eiv
ed
Oct
9
,
2
0
1
7
R
ev
i
s
ed
No
v
1
4
,
2
0
1
7
A
cc
ep
ted
No
v
2
6
,
2
0
1
7
T
h
is
p
a
p
e
r
p
re
se
n
ts
th
e
d
e
sig
n
a
n
d
a
n
a
ly
sis
o
f
a
n
o
v
e
l
p
o
ly
g
o
n
c
o
n
n
e
c
ted
a
u
to
tran
sf
o
rm
e
r
b
a
se
d
3
0
-
p
h
a
se
a
c
-
d
c
c
o
n
v
e
rter
w
h
ich
su
p
p
li
e
s
Dire
c
t
T
o
rq
u
e
Co
n
tro
ll
e
d
I
n
d
u
c
ti
o
n
M
o
to
r
Driv
e
s
(DT
CIM
D’s
)
in
o
rd
e
r
to
h
a
v
e
b
e
tt
e
r
p
o
w
e
r
q
u
a
li
ty
c
o
n
d
it
i
o
n
s
a
t
th
e
p
o
i
n
t
o
f
c
o
m
m
o
n
c
o
u
p
li
n
g
.
T
h
e
p
ro
p
o
se
d
c
o
n
v
e
rter
o
u
tp
u
t
v
o
lt
a
g
e
is
a
c
c
o
m
p
li
sh
e
d
v
ia
th
re
e
p
a
ra
ll
e
led
1
0
-
p
u
lse
a
c
-
d
c
c
o
n
v
e
rters
e
a
c
h
o
f
th
e
m
c
o
n
sistin
g
o
f
5
-
p
h
a
se
d
io
d
e
b
ri
d
g
e
re
c
ti
f
ier.
A
n
a
u
to
tran
sf
o
rm
e
r
is
d
e
sig
n
e
d
to
su
p
p
ly
th
e
re
c
ti
f
iers
.
T
h
e
p
ro
p
o
se
d
c
o
n
v
e
r
ter
re
q
u
ires
o
n
ly
th
re
e
in
ter
-
p
h
a
se
tran
sf
o
r
m
e
rs
in
th
e
d
c
li
n
k
th
a
t
lea
d
s
to
th
e
re
d
u
c
e
d
k
il
o
v
o
lt
a
m
p
e
re
ra
ti
n
g
,
siz
e
,
we
ig
h
t,
a
n
d
c
o
st
o
f
th
e
p
ro
p
o
se
d
re
c
ti
f
ier.
T
h
e
d
e
sig
n
p
r
o
c
e
d
u
re
o
f
m
a
g
n
e
ti
c
s
is
in
a
wa
y
su
c
h
th
a
t
m
a
k
e
s
it
su
it
a
b
le
f
o
r
re
tro
f
it
a
p
p
li
c
a
ti
o
n
s
w
h
e
re
a
six
-
p
u
lse
d
io
d
e
b
rid
g
e
re
c
ti
f
ier
is
b
e
in
g
u
ti
li
z
e
d
.
T
h
e
a
f
o
re
m
e
n
ti
o
n
e
d
stru
c
tu
re
im
p
ro
v
e
s
p
o
w
e
r
q
u
a
li
ty
c
rit
e
ria
a
t
a
c
m
a
in
s
a
n
d
m
a
k
e
s
th
e
m
c
o
n
siste
n
t
w
it
h
th
e
IEE
E
-
5
1
9
sta
n
d
a
rd
re
q
u
irem
e
n
ts
f
o
r
v
a
r
y
i
n
g
lo
a
d
s.
F
u
rth
e
rm
o
re
,
n
e
a
r
u
n
it
y
p
o
we
r
f
a
c
to
r
is
o
b
tain
e
d
f
o
r
a
w
id
e
ra
n
g
e
o
f
DT
CIM
D
o
p
e
ra
ti
o
n
.
A
c
o
m
p
a
riso
n
is
m
a
d
e
b
e
tw
e
e
n
6
-
p
u
lse
a
n
d
p
r
o
p
o
se
d
c
o
n
v
e
rters
f
ro
m
v
i
e
w
p
o
in
t
o
f
p
o
w
e
r
q
u
a
li
ty
in
d
ice
s.
Re
su
lt
s
sh
o
w
th
a
t
in
p
u
t
c
u
rre
n
t
T
o
tal
Ha
rm
o
n
ic
Disto
rti
o
n
(T
HD
)
is
les
s th
a
n
3
%
f
o
r
th
e
p
r
o
p
o
se
d
t
o
p
o
l
o
g
y
a
t
v
a
riab
le l
o
a
d
s.
K
ey
w
o
r
d
:
3
0
p
u
ls
e
r
ec
tif
ier
AC
–
DC
co
n
v
er
ter
No
v
el
p
o
l
y
g
o
n
au
to
tr
a
n
s
f
o
r
m
e
r
p
o
w
er
q
u
alit
y
Co
p
y
rig
h
t
©
201
7
In
s
t
it
u
te o
f
A
d
v
a
n
c
e
d
E
n
g
i
n
e
e
rin
g
a
n
d
S
c
ien
c
e
.
Al
l
rig
h
ts
re
se
rv
e
d
.
C
o
r
r
e
s
p
o
nd
ing
A
uth
o
r
:
R
o
h
o
lla
h
A
b
d
o
llah
i,
Dep
ar
t
m
en
t o
f
E
lectr
ical
E
n
g
i
n
ee
r
in
g
,
T
ec
h
n
ical
an
d
Vo
ca
tio
n
al
U
n
i
v
er
s
it
y
(
Qo
m
B
o
y
s
T
ec
h
n
ical
C
o
lleg
e)
,
Qo
m
,
I
r
an
.
E
m
ail:
r
o
h
o
lla
h
.
ab
d
o
llah
i@
y
a
h
o
o
.
co
m
,
r
ab
d
o
llah
i
@
tv
u
.
ac
.
ir
1.
I
NT
RO
D
UCT
I
O
N
R
ec
en
t
ad
v
a
n
ce
s
in
s
o
lid
s
t
ate
co
n
v
er
s
io
n
tech
n
o
lo
g
y
h
as
led
to
t
h
e
p
r
o
lif
er
atio
n
o
f
v
ar
iab
le
f
r
eq
u
en
c
y
i
n
d
u
ct
io
n
m
o
to
r
d
r
iv
es
(
V
FIM
D’
s
)
th
at
ar
e
u
s
ed
in
s
e
v
er
al
ap
p
licatio
n
s
s
u
ch
as
air
co
n
d
itio
n
i
n
g
,
b
lo
w
er
s
,
f
an
s
,
p
u
m
p
s
f
o
r
w
a
s
t
e
w
ater
tr
ea
t
m
en
t
p
lan
t
s
,
te
x
ti
le
m
i
lls
,
r
o
lli
n
g
m
ill
s
,
etc
[
1
]
.
T
h
e
m
o
s
t
p
r
ac
tical
tech
n
iq
u
e
in
V
FIM
D’
s
is
v
ec
t
o
r
-
co
n
tr
o
lled
s
tr
ateg
y
i
n
th
at
i
t
o
f
f
er
s
b
etter
p
er
f
o
r
m
a
n
ce
r
at
h
er
th
a
n
th
e
o
th
er
co
n
tr
o
l
tech
n
iq
u
es.
Vec
to
r
-
co
n
tr
o
lled
tech
n
iq
u
e
is
i
m
p
le
m
e
n
ted
in
v
o
lta
g
e
s
o
u
r
ce
in
v
er
ter
w
h
ic
h
is
m
o
s
tl
y
f
ed
f
r
o
m
s
i
x
-
p
u
l
s
e
d
io
d
e
b
r
i
d
g
e
r
ec
tif
ier
,
I
n
s
u
lated
Gate
B
ip
o
lar
T
r
an
s
is
to
r
s
(
I
GB
T
’
s
)
ar
e
em
p
lo
y
ed
as
th
e
VSI
s
w
itc
h
es.
T
h
e
m
o
s
t
i
m
p
o
r
tan
t
d
r
a
w
b
a
ck
o
f
t
h
e
s
i
x
-
p
u
l
s
e
d
io
d
e
-
b
r
id
g
e
r
ec
tif
ier
i
s
its
p
o
o
r
p
o
w
er
f
ac
to
r
in
j
ec
tio
n
o
f
c
u
r
r
en
t
h
ar
m
o
n
ic
s
in
to
ac
m
ain
s
.
T
h
e
cir
cu
latio
n
o
f
c
u
r
r
en
t
h
ar
m
o
n
ics
in
to
t
h
e
s
o
u
r
ce
i
m
p
ed
a
n
ce
y
ield
s
i
n
h
ar
m
o
n
ic
p
o
llu
ted
v
o
ltag
es
at
t
h
e
P
o
in
t
o
f
C
o
m
m
o
n
C
o
u
p
li
n
g
(
P
C
C
)
an
d
co
n
s
e
q
u
en
tl
y
r
es
u
lti
n
g
i
n
u
n
d
es
ir
ed
s
u
p
p
l
y
v
o
ltag
e
co
n
d
itio
n
s
f
o
r
co
s
tu
m
er
s
in
th
e
v
ic
in
it
y
.
T
h
e
v
alu
e
o
f
cu
r
r
en
t
h
ar
m
o
n
ic
co
m
p
o
n
e
n
ts
w
h
ic
h
ar
e
in
j
ec
ted
in
to
th
e
g
r
id
b
y
n
o
n
li
n
ea
r
lo
ad
s
s
u
c
h
as
DT
C
I
MD
’
s
s
h
o
u
ld
b
e
co
n
f
i
n
ed
w
ith
in
t
h
e
s
tan
d
ar
d
li
m
itatio
n
s
.
T
h
e
m
o
s
t
p
r
o
m
i
n
e
n
t
s
tan
d
ar
d
s
i
n
th
is
f
ie
ld
ar
e
I
E
E
E
s
tan
d
ar
d
5
1
9
[
2
]
an
d
th
e
I
n
ter
n
atio
n
al
E
lectr
o
tech
n
ical
C
o
m
m
is
s
io
n
(
I
E
C
)
6
1
0
0
0
-
3
-
2
[
3
]
.
A
cc
o
r
d
in
g
to
co
n
s
id
er
ab
le
g
r
o
w
t
h
o
f
Static
P
o
w
er
C
o
n
v
er
te
r
s
(
SP
C
’
s
)
th
at
ar
e
th
e
m
aj
o
r
s
o
u
r
ce
s
o
f
h
ar
m
o
n
ic
d
is
to
r
tio
n
a
n
d
as
a
r
esu
lt
t
h
eir
p
o
w
er
q
u
a
lit
y
p
r
o
b
le
m
s
,
r
esear
c
h
er
s
h
a
v
e
f
o
cu
s
e
d
th
eir
atten
tio
n
o
n
h
ar
m
o
n
ic
eli
m
i
n
ati
n
g
s
o
lu
tio
n
s
.
Fo
r
DT
C
I
MD
’
s
o
n
e
ef
f
e
ctiv
e
s
o
l
u
tio
n
is
to
e
m
p
lo
y
m
u
ltip
u
l
s
e
AC
-
DC
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
IJ
A
P
E
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
2
0
1
7
:
1
9
9
–
2
1
0
200
co
n
v
er
ter
s
.
T
h
ese
co
n
v
er
ter
s
a
r
e
b
ased
o
n
eith
er
p
h
ase
m
u
lti
p
licatio
n
o
r
p
h
ase
s
h
i
f
ti
n
g
o
r
p
u
ls
e
d
o
u
b
lin
g
o
r
a
co
m
b
i
n
atio
n
[
4
-
1
0
]
.
A
l
th
o
u
g
h
,
in
th
e
co
n
d
itio
n
s
o
f
li
g
h
t
lo
ad
o
r
s
m
all
s
o
u
r
ce
i
m
p
ed
a
n
ce
,
lin
e
cu
r
r
en
t
T
o
tal
Har
m
o
n
ic
Di
s
to
r
tio
n
(
T
HD)
w
ill b
e
m
o
r
e
th
an
5
%
f
o
r
u
p
to
2
4
-
pu
ls
e
AC
-
DC
co
n
v
er
ter
s
[
1
0
-
2
0
]
.
A
T
-
c
o
n
n
ec
ted
Au
to
T
r
an
s
f
o
r
m
er
-
b
ased
2
4
-
P
u
l
s
e
AC
–
DC
C
o
n
v
er
ter
h
as
al
s
o
b
ee
n
p
r
esen
ted
i
n
[
1
8
]
,
h
o
w
e
v
er
,
th
e
T
HD
o
f
th
e
s
u
p
p
l
y
c
u
r
r
en
t
w
it
h
t
h
is
to
p
o
lo
g
y
i
s
r
ep
o
r
ted
to
v
ar
y
f
r
o
m
2
.
4
6
%
to
5
.
2
0
%
w
h
ic
h
i
s
m
o
r
e
th
a
n
5
%
w
h
e
n
o
p
er
atin
g
at
lig
h
t
lo
ad
.
T
h
e
3
6
-
p
u
l
s
e
w
a
s
d
esi
g
n
ed
f
o
r
V
C
I
MD
’
s
i
n
[
2
1
]
w
h
ic
h
h
as T
HD
v
ar
iatio
n
o
f
2
.
0
3
% to
3
.
7
4
% f
r
o
m
f
u
ll
-
lo
ad
to
lig
h
t
-
lo
ad
(
2
0
% o
f
f
u
l
l
-
lo
ad
)
r
esp
ec
tiv
el
y
.
I
n
cr
ea
s
in
g
t
h
e
n
u
m
b
er
o
f
p
u
l
s
es
f
u
r
t
h
er
r
esu
lts
i
n
i
m
p
r
o
v
e
m
en
t
i
n
v
ar
io
u
s
p
o
w
er
-
q
u
alit
y
i
n
d
ex
es
b
u
t
alo
n
g
w
it
h
t
h
e
ad
d
itio
n
a
l
co
s
t
o
f
d
if
f
er
e
n
t
co
n
v
er
ter
s
a
n
d
in
cr
ea
s
ed
s
y
s
te
m
co
m
p
le
x
i
t
y
[
2
2
-
24
]
,
[
2
6
-
2
9
]
.
T
h
er
ef
o
r
e,
it is
s
u
g
g
e
s
ted
t
h
at
h
ig
h
er
p
u
ls
e
co
n
f
ig
u
r
atio
n
w
it
h
le
s
s
co
m
p
lex
i
t
y
m
u
s
t b
e
u
s
e
d
,
s
o
th
at
th
e
ac
–
d
c
co
n
v
er
s
io
n
m
ee
t
s
th
e
I
E
E
E
-
5
1
9
r
eq
u
ir
em
e
n
ts
.
T
h
e
4
0
-
p
u
ls
e
to
p
o
lo
g
y
[
2
5
]
w
as
d
esi
g
n
ed
f
o
r
VC
I
MD
’
s
lo
ad
s
h
av
i
n
g
a
T
HD
v
ar
iatio
n
o
f
2
.
2
3
%
to
3
.
8
5
%
f
r
o
m
f
u
ll
-
lo
ad
to
lig
ht
-
lo
ad
(
2
0
%
o
f
f
u
ll
-
lo
ad
)
r
esp
ec
tiv
el
y
w
h
ic
h
is
m
o
r
e
th
an
3
%
w
h
en
o
p
er
atin
g
at
li
g
h
t
lo
ad
,
an
d
th
e
d
c
li
n
k
v
o
ltag
e
is
h
ig
h
er
th
a
n
th
a
t
o
f
a
6
-
p
u
ls
e
d
io
d
e
b
r
id
g
e
r
ec
tif
ier
,
th
u
s
m
a
k
i
n
g
t
h
e
s
c
h
e
m
e
n
o
n
ap
p
licab
le
f
o
r
r
etr
o
f
it
ap
p
licatio
n
s
.
Ho
w
e
v
er
,
s
o
m
e
ap
p
li
ca
tio
n
s
n
ee
d
s
tr
ict
p
o
w
er
q
u
alit
y
s
p
ec
if
icatio
n
s
an
d
t
h
er
ef
o
r
e
th
e
u
s
ag
e
o
f
co
n
v
er
ter
s
w
i
th
p
u
ls
es
m
o
r
e
th
an
2
4
is
u
n
a
v
o
id
ab
le.
P
o
w
er
q
u
alit
y
ca
n
b
e
i
m
p
r
o
v
e
d
b
y
e
m
p
lo
y
i
n
g
p
ass
i
v
e
o
r
ac
t
iv
e
f
ilter
s
[
3
2
-
3
9
]
.
P
ass
iv
e
f
ilt
er
s
ca
u
s
e
ad
d
itio
n
al
lo
s
s
es,
n
ee
d
ad
d
iti
o
n
al
f
lo
o
r
ar
ea
an
d
ar
e
co
m
p
lex
in
d
esi
g
n
as
th
eir
p
er
f
o
r
m
an
ce
is
af
f
ec
ted
b
y
ch
an
g
es
i
n
f
r
eq
u
e
n
c
y
.
S
i
m
ilar
l
y
,
ac
tiv
e
f
ilter
s
ar
e
also
co
s
tly
a
n
d
co
m
p
lex
,
an
d
h
a
v
e
r
ati
n
g
s
co
m
p
ar
ab
le
to
th
e
lo
ad
r
ati
n
g
.
T
h
e
u
s
e
o
f
m
u
ltip
u
ls
e
AC
-
D
C
co
n
v
er
ter
s
i
s
o
n
e
s
u
ch
tech
n
iq
u
e
f
o
r
h
ar
m
o
n
ic
m
iti
g
atio
n
an
d
is
f
o
u
n
d
to
b
e
r
u
g
g
ed
an
d
r
eliab
le.
Var
io
u
s
au
to
tr
an
s
f
o
r
m
er
b
ased
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
te
r
s
ar
e
in
tr
o
d
u
ce
d
in
[
4
0
]
-
[
4
2
]
w
h
ic
h
h
a
s
5
in
ter
-
p
h
ase
t
r
an
s
f
o
r
m
er
s
i
n
th
e
d
c
li
n
k
(
Fi
g
u
r
e
1
(
a)
)
.
I
n
th
is
p
ap
er
,
a
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
is
p
r
o
p
o
s
ed
em
p
lo
y
i
n
g
a
n
o
v
el
p
o
l
y
g
o
n
a
u
to
tr
an
s
f
o
r
m
er
as
s
h
o
w
n
in
Fig
u
r
e
1
(
b
)
.
As
a
r
esu
lt,
th
e
p
r
o
p
o
s
ed
co
n
v
er
ter
r
eq
u
ir
es
o
n
l
y
t
h
r
ee
in
te
r
-
p
h
ase
tr
an
s
f
o
r
m
er
s
i
n
th
e
d
c
lin
k
t
h
at
y
ield
s
i
n
t
h
e
r
ed
u
ce
d
k
ilo
v
o
lt
a
m
p
er
e
r
atin
g
,
s
ize,
w
ei
g
h
t,
an
d
co
s
t
o
f
t
h
e
p
r
o
p
o
s
ed
r
ec
t
if
ier
.
T
h
e
p
r
o
p
o
s
ed
d
esig
n
m
et
h
o
d
w
il
l
b
e
s
u
itab
l
e
ev
en
w
h
e
n
t
h
e
tr
an
s
f
o
r
m
er
o
u
tp
u
t
v
o
lta
g
es
v
ar
y
w
h
ile
k
e
ep
in
g
it
s
3
0
-
p
u
ls
e
o
p
er
atio
n
.
I
n
th
e
p
r
o
p
o
s
ed
s
t
r
u
ctu
r
e,
th
r
ee
5
-
le
g
d
io
d
e
-
b
r
id
g
e
r
ec
tif
ier
s
ar
e
p
ar
alleled
v
ia
th
r
ee
in
ter
p
h
ase
tr
an
s
f
o
r
m
er
s
an
d
f
ed
f
r
o
m
a
n
au
to
tr
an
s
f
o
r
m
er
.
Hen
ce
,
a
3
0
-
p
u
ls
e
o
u
tp
u
t
v
o
lta
g
e
i
s
o
b
tai
n
ed
.
Deta
iled
d
esig
n
tip
s
o
f
th
e
I
P
T
an
d
to
tally
t
h
e
w
h
o
le
s
tr
u
c
tu
r
e
o
f
3
0
-
p
u
l
s
e
ac
-
d
c
co
n
v
er
ter
ar
e
d
escr
ib
ed
in
th
is
p
ap
er
an
d
th
e
p
r
o
p
o
s
ed
co
n
v
er
ter
is
m
o
d
ele
d
an
d
s
i
m
u
la
ted
in
MA
T
L
A
B
to
s
tu
d
y
its
b
eh
av
io
r
an
d
s
p
ec
if
icall
y
to
an
al
y
ze
th
e
p
o
w
er
q
u
alit
y
i
n
d
ices
at
ac
m
ai
n
s
.
F
u
r
t
h
er
m
o
r
e,
a
3
0
-
p
u
l
s
e
ac
-
d
c
co
n
v
er
ter
co
n
s
is
tin
g
o
f
a
p
o
l
y
g
o
n
au
to
tr
an
s
f
o
r
m
er
,
th
r
ee
1
0
-
p
u
l
s
e
d
io
d
e
b
r
id
g
e
r
ec
tif
ier
s
p
ar
alleled
th
r
o
u
g
h
t
h
r
ee
I
P
T
s
,
an
d
w
it
h
a
DT
C
I
MD
lo
ad
Fig
u
r
e
1
.
Si
m
u
latio
n
r
es
u
lts
o
f
s
ix
-
p
u
ls
e
an
d
p
r
o
p
o
s
e
d
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
s
f
ee
d
in
g
a
DT
C
I
MD
lo
ad
ar
e
s
ch
ed
u
led
an
d
v
ar
io
u
s
q
u
alit
y
cr
iter
ia
s
u
c
h
as
T
HD
o
f
ac
m
ai
n
s
c
u
r
r
en
t,
p
o
w
er
f
a
cto
r
,
d
is
p
lace
m
e
n
t
f
ac
to
r
,
d
is
to
r
tio
n
f
a
cto
r
,
an
d
T
HD
o
f
th
e
s
u
p
p
l
y
v
o
lta
g
e
at
P
C
C
ar
e
co
m
p
ar
ed
.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
A
P
E
I
SS
N:
2252
-
8792
R
ed
u
ce
d
R
a
tin
g
3
0
-
p
u
ls
e
A
C
-
DC
C
o
n
ve
r
te
r
fo
r
P
o
w
er Qu
a
li
ty
I
mp
r
o
ve
men
t
(
R
o
h
o
lla
h
A
b
d
o
lla
h
i
)
201
(
a)
(
b
)
Fig
u
r
e
1
.
(
a)
A
n
o
th
er
a
u
to
tr
an
s
f
o
r
m
er
co
n
f
i
g
u
r
atio
n
f
o
r
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
s
io
n
(
5
in
ter
-
p
h
a
s
e
tr
an
s
f
o
r
m
er
s
i
n
th
e
d
c
li
n
k
)
[
4
0
]
-
[
4
2
]
,
(
b
)
No
v
el
p
o
ly
g
o
n
-
a
u
t
o
tr
an
s
f
o
r
m
er
co
n
f
i
g
u
r
atio
n
f
o
r
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
s
io
n
(
3
in
ter
-
p
h
ase
tr
an
s
f
o
r
m
er
s
in
t
h
e
d
c
lin
k
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
IJ
A
P
E
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
2
0
1
7
:
1
9
9
–
2
1
0
202
2.
P
RO
P
O
SE
D
3
0
-
P
UL
SE
A
C
–
DC
CO
NVER
T
E
R
I
n
o
r
d
er
to
im
p
le
m
e
n
t a
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
t
h
r
o
u
g
h
p
a
r
allelin
g
t
h
r
ee
b
r
id
g
e
r
ec
tifie
r
s
,
i.e
.
th
r
ee
10
-
p
u
ls
e
r
ec
ti
f
ier
s
,
t
h
r
ee
s
ets
o
f
5
-
p
h
a
s
e
v
o
lta
g
es
w
i
th
a
p
h
ase
d
if
f
er
en
ce
o
f
7
2
d
eg
r
ee
s
b
et
w
ee
n
t
h
e
v
o
lta
g
es
o
f
ea
ch
g
r
o
u
p
an
d
1
2
d
eg
r
ee
s
b
et
w
ee
n
th
e
s
a
m
e
v
o
ltag
e
s
o
f
th
e
th
r
ee
g
r
o
u
p
s
ar
e
r
eq
u
ir
ed
.
A
cc
o
r
d
in
g
l
y
,
ea
c
h
b
r
id
g
e
r
ec
tif
ier
co
n
s
i
s
ts
o
f
5
co
m
m
o
n
-
a
n
o
d
e
an
d
5
co
m
m
o
n
-
ca
t
h
o
d
e
d
io
d
es
(
th
r
ee
5
-
leg
r
ec
ti
f
ier
s
)
.
Au
to
tr
an
s
f
o
r
m
er
co
n
n
ec
t
io
n
s
an
d
its
p
h
aso
r
d
iag
r
a
m
w
h
ich
s
h
o
w
s
t
h
e
an
g
u
lar
d
is
p
lace
m
en
t
o
f
v
o
ltag
e
s
ar
e
illu
s
tr
ated
in
Fi
g
u
r
e
2.
Fig
u
r
e
2
.
P
o
ly
g
o
n
co
n
n
ec
tio
n
o
f
p
r
o
p
o
s
ed
au
to
tr
an
s
f
o
r
m
er
f
o
r
3
0
-
p
u
ls
e
co
n
v
er
ter
an
d
its
p
h
aso
r
r
ep
r
esen
tatio
n
2
.
1
.
Desig
n o
f
pro
po
s
ed
a
uto
t
ra
ns
f
o
r
m
er
f
o
r
3
0
-
pu
ls
e
AC
–
DC
c
o
nv
er
t
er
T
h
e
af
o
r
em
e
n
tio
n
ed
t
h
r
ee
v
o
ltag
e
s
ets
ar
e
ca
lled
as
(
V
a1
,
V
a2
,
V
a3
,
V
a4
,
V
a5
)
an
d
(
V
b1
,
V
b2
,
V
b3
,
V
b4
,
V
b5
)
an
d
(
V
c1
,
V
c2
,
V
c3
,
V
c4
,
V
c5
)
th
at
ar
e
f
ed
to
r
ec
tif
ier
s
I
,
I
I
an
d
I
I
I
,
r
esp
ec
tiv
el
y
.
T
h
e
s
a
m
e
v
o
lta
g
es
o
f
th
e
th
r
ee
g
r
o
u
p
s
,
i.e
.
V
ai
,
V
bi
,
an
d
V
ci
,
ar
e
p
h
ase
d
i
s
p
lace
d
o
f
1
2
d
eg
r
ee
s
.
V
b1
an
d
V
c1
h
as
a
p
h
a
s
e
s
h
i
f
t o
f
+1
2
an
d
-
1
2
d
eg
r
ee
s
f
r
o
m
t
h
e
i
n
p
u
t
v
o
ltag
e
o
f
p
h
ase
A
,
r
esp
ec
ti
v
el
y
.
A
cc
o
r
d
in
g
to
p
h
aso
r
d
ia
g
r
a
m
,
t
h
e
5
-
p
h
ase
v
o
ltag
e
s
ar
e
m
ad
e
f
r
o
m
ac
m
ain
p
h
ase
an
d
li
n
e
v
o
ltag
e
s
with
f
r
ac
tio
n
s
o
f
th
e
p
r
i
m
ar
y
win
d
in
g
tu
r
n
s
w
h
ich
ar
e
ex
p
r
ess
ed
w
i
th
th
e
f
o
ll
o
w
i
n
g
r
elatio
n
s
h
ip
s
.
C
o
n
s
id
er
th
r
ee
-
p
h
ase
v
o
lta
g
es
o
f
p
r
im
ar
y
w
i
n
d
i
n
g
s
as f
o
llo
w
s
:
.
1
2
0
,
1
2
0
,
0
s
C
s
B
s
A
V
V
V
V
V
V
(
1
)
W
h
er
e,
5
-
p
h
ase
v
o
lta
g
es a
r
e:
2
7
6
,
2
0
4
,
1
3
2
,
60
,
12
5
4
3
2
1
s
a
s
a
s
a
s
a
s
a
V
V
V
V
V
V
V
V
V
V
(2
)
2
8
8
,
2
1
6
,
1
4
4
,
72
,
0
5
4
3
2
1
s
b
s
b
s
b
s
b
s
b
V
V
V
V
V
V
V
V
V
V
(3
)
300
,
228
,
156
,
84
,
12
5
4
3
2
1
s
c
s
c
s
c
s
c
s
c
V
V
V
V
V
V
V
V
V
V
(4
)
I
n
p
u
t v
o
lta
g
es
f
o
r
co
n
v
er
ter
I
ar
e:
AB
CA
C
a
BC
C
a
CA
BC
B
a
BC
AB
C
a
BC
CA
A
a
V
K
V
K
V
V
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
9
10
5
17
3
4
12
11
3
4
3
1
2
2
1
1
(5
)
I
n
p
u
t v
o
lta
g
es
f
o
r
co
n
v
er
ter
I
I
ar
e:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
A
P
E
I
SS
N:
2252
-
8792
R
ed
u
ce
d
R
a
tin
g
3
0
-
p
u
ls
e
A
C
-
DC
C
o
n
ve
r
te
r
fo
r
P
o
w
er Qu
a
li
ty
I
mp
r
o
ve
men
t
(
R
o
h
o
lla
h
A
b
d
o
lla
h
i
)
203
AB
CA
A
b
BC
AB
A
b
CA
BC
A
b
AB
CA
A
b
A
b
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
V
V
7
8
5
5
16
15
4
4
14
13
3
3
6
5
2
2
1
(6
)
I
n
p
u
t v
o
lta
g
es
f
o
r
co
n
v
er
ter
I
I
I
ar
e:
AB
CA
B
a
BC
AB
B
a
CA
BC
B
a
AB
CA
B
a
BC
AB
A
a
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
V
K
V
K
V
V
5
6
5
5
13
14
4
4
16
15
3
3
8
7
2
2
2
1
1
(
7
)
.
30
3
,
30
3
,
30
3
C
CA
B
BC
A
AB
V
V
V
V
V
V
(8
)
C
o
n
s
tan
t
s
K
1
-
K
17
ar
e
ca
lcu
late
d
u
s
in
g
(
2
)
-
(
8
)
to
o
b
tain
th
e
r
eq
u
ir
ed
w
i
n
d
in
g
s
t
u
r
n
n
u
m
b
er
s
to
h
av
e
t
h
e
d
esire
d
p
h
ase
s
h
i
f
t f
o
r
th
e
t
h
r
ee
v
o
lta
g
e
s
ets:
.
4
69
6
.
0
,
0
69
6
.
0
,
0
69
6
.
0
,
0
93
2
.
0
,
0
43
0
.
0
,
1
12
7
.
0
,
0
14
5
.
0
,
1
27
3
.
0
,
2
75
7
.
0
,
0
93
2
.
0
,
0
43
0
.
0
,
1
12
7
.
0
,
0
14
5
.
0
,
2
20
5
.
0
,
3
18
7
.
0
,
1
12
7
.
0
,
0
14
5
.
0
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
(9
)
2
.
2
.
Desig
n o
f
a
uto
t
ra
ns
f
o
rm
er
f
o
r
re
t
r
o
f
it
a
pp
lica
t
io
ns
T
h
e
v
alu
e
o
f
o
u
tp
u
t
v
o
lta
g
e
i
n
m
u
ltip
u
ls
e
r
ec
ti
f
ier
s
b
o
o
s
ts
r
elativ
e
to
th
e
o
u
tp
u
t
v
o
lta
g
e
o
f
a
s
ix
-
p
u
ls
e
co
n
v
er
ter
m
a
k
in
g
t
h
e
m
u
ltip
u
ls
e
r
ec
ti
f
ier
in
ap
p
r
o
p
r
iate
f
o
r
r
etr
o
f
it
ap
p
licatio
n
s
.
Fo
r
in
s
ta
n
ce
,
w
it
h
th
e
au
to
tr
an
s
f
o
r
m
er
ar
r
an
g
e
m
e
n
t
o
f
t
h
e
p
r
o
p
o
s
ed
3
0
-
p
u
ls
e
co
n
v
er
ter
,
th
e
r
ec
tifi
ed
o
u
tp
u
t
v
o
l
tag
e
i
s
1
4
%
h
i
g
h
e
r
th
an
t
h
at
o
f
s
ix
-
p
u
l
s
e
r
ec
tifie
r
.
Fo
r
r
etr
o
f
it
ap
p
licatio
n
s
,
th
e
ab
o
v
e
d
esig
n
p
r
o
ce
d
u
r
e
is
m
o
d
if
ied
s
o
th
at
th
e
dc
-
lin
k
v
o
lta
g
e
b
ec
o
m
e
s
eq
u
a
l
to
th
a
t
o
f
s
i
x
-
p
u
ls
e
r
ec
ti
f
ier
.
T
h
is
w
ill
b
e
ac
co
m
p
lis
h
ed
v
i
a
m
o
d
if
icatio
n
s
i
n
th
e
tap
p
in
g
p
o
s
itio
n
s
o
n
th
e
win
d
in
g
s
a
s
s
h
o
w
n
i
n
Fi
g
u
r
e
3
.
Fig
u
r
e
3
.
P
h
aso
r
d
iag
r
a
m
o
f
v
o
ltag
es i
n
th
e
p
r
o
p
o
s
ed
au
to
tr
an
s
f
o
r
m
er
co
n
n
ec
tio
n
alo
n
g
w
i
t
h
m
o
d
i
f
icatio
n
s
f
o
r
r
etr
o
f
it a
r
r
an
g
e
m
e
n
t
I
t
s
h
o
u
ld
b
e
n
o
ted
th
at
w
it
h
th
is
ap
p
r
o
ac
h
,
th
e
d
esire
d
p
h
ase
s
h
i
f
t
is
s
ti
ll
u
n
ch
a
n
g
ed
.
Si
m
i
lar
to
s
ec
tio
n
2
.
1
,
th
e
f
o
llo
w
i
n
g
eq
u
atio
n
s
ca
n
b
e
d
er
iv
ed
as:
A
S
V
V
86
.
0
(
1
0
)
A
p
p
licatio
n
s
as:
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
IJ
A
P
E
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
2
0
1
7
:
1
9
9
–
2
1
0
204
.
4
03
8
.
0
,
0
59
9
.
0
,
0
59
9
.
0
,
0
80
2
.
0
,
0
37
1
.
0
,
0
50
2
.
0
,
1
05
9
.
0
,
2
02
8
.
0
,
1
90
4
.
0
,
0
80
1
.
0
,
0
37
1
.
0
,
0
97
0
.
0
,
0
12
5
.
0
,
1
89
6
.
0
,
2
74
1
.
0
,
0
50
3
.
0
,
1
05
8
.
0
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
(
1
1
)
T
h
e
v
alu
e
s
o
f
K
1
-
K
17
e
s
tab
lis
h
t
h
e
e
s
s
e
n
tial
tu
r
n
n
u
m
b
er
s
o
f
t
h
e
a
u
to
tr
an
s
f
o
r
m
er
w
i
n
d
in
g
s
to
h
a
v
e
th
e
r
eq
u
ir
ed
o
u
tp
u
t
v
o
lta
g
es
an
d
p
h
ase
s
h
i
f
t
s
.
T
o
en
s
u
r
e
th
e
in
d
ep
en
d
e
n
t
o
p
er
atio
n
o
f
t
h
e
r
ec
tifie
r
g
r
o
u
p
s
,
in
ter
p
h
ase
tr
an
s
f
o
r
m
er
s
(
I
PT
s
)
,
w
h
ich
ar
e
r
elati
v
el
y
s
m
all
i
n
s
ize,
ar
e
co
n
n
ec
ted
at
th
e
o
u
tp
u
t
o
f
th
e
r
ec
ti
f
ier
b
r
id
g
es.
W
ith
th
i
s
ar
r
an
g
e
m
e
n
t,
th
e
r
ec
ti
f
ier
d
io
d
es
co
n
d
u
ct
f
o
r
1
2
0
p
er
cy
cle.
T
h
e
k
ilo
v
o
lta
m
p
er
e
r
atin
g
o
f
th
e
au
to
tr
a
n
s
f
o
r
m
er
is
ca
lc
u
lat
ed
as [
4
]
:
w
i
n
d
i
n
g
w
i
n
d
i
n
g
I
V
k
V
A
5
.
0
(
1
2
)
W
h
er
e,
V
w
indin
g
is
th
e
v
o
lta
g
e
ac
r
o
s
s
ea
ch
a
u
to
tr
an
s
f
o
r
m
er
w
i
n
d
i
n
g
a
n
d
I
w
inding
i
n
d
icate
s
t
h
e
f
u
l
l
lo
ad
cu
r
r
en
t
o
f
th
e
w
i
n
d
in
g
.
T
h
e
ap
p
ar
en
t
p
o
w
er
r
atin
g
o
f
th
e
in
ter
p
h
a
s
e
tr
an
s
f
o
r
m
er
is
al
s
o
ca
lcu
lated
i
n
a
s
a
m
e
w
a
y
.
3.
M
AT
L
AB
-
B
ASE
D
SI
M
UL
AT
I
O
N
Fig
u
r
e
4
s
h
o
w
s
t
h
e
i
m
p
le
m
e
n
ted
ac
-
d
c
co
n
v
er
ter
w
it
h
DT
C
I
MD
in
MA
T
L
A
B
s
o
f
t
w
ar
e
u
s
i
n
g
SIM
UL
I
NK
a
n
d
p
o
w
er
s
y
s
te
m
b
lo
ck
s
et
(
P
SB
)
to
o
lb
o
x
es.
I
n
th
i
s
m
o
d
el,
a
th
r
ee
-
p
h
ase
4
6
0
V
an
d
6
0
Hz
n
et
w
o
r
k
i
s
u
tili
ze
d
as
t
h
e
s
u
p
p
ly
f
o
r
t
h
e
3
0
-
p
u
l
s
e
co
n
v
er
te
r
.
T
h
e
d
esig
n
ed
au
to
tr
a
n
s
f
o
r
m
er
is
m
o
d
ele
d
v
ia
th
r
ee
m
u
lt
i
-
w
in
d
i
n
g
tr
an
s
f
o
r
m
er
s
,
as
s
h
o
w
n
i
n
F
ig
u
r
e
5
.
Mu
lti
-
w
i
n
d
in
g
tr
a
n
s
f
o
r
m
er
b
l
o
ck
is
al
s
o
u
s
ed
to
m
o
d
el
I
P
T
.
A
t
t
h
e
co
n
v
er
ter
o
u
tp
u
t,
a
s
er
ies
in
d
u
ctan
ce
(
L
)
an
d
a
p
ar
allel
ca
p
ac
ito
r
(
C
)
as
t
h
e
d
c
li
n
k
ar
e
co
n
n
ec
ted
to
I
GB
T
-
b
ased
V
o
ltag
e
So
u
r
ce
I
n
v
er
ter
(
VSI
)
.
VSI
d
r
iv
es
a
s
q
u
ir
r
el
ca
g
e
in
d
u
ctio
n
m
o
to
r
e
m
p
lo
y
i
n
g
d
ir
ec
t
to
r
q
u
e
-
co
n
tr
o
l
s
tr
ateg
y
.
T
h
e
s
i
m
u
lated
m
o
to
r
is
5
0
h
p
(
3
7
.
3
k
W
)
,
4
-
p
o
le
,
an
d
Y
-
co
n
n
ec
ted
.
Deta
iled
d
ata
o
f
m
o
to
r
ar
e
lis
ted
in
A
p
p
e
n
d
ix
A
.
Si
m
u
lat
i
o
n
r
es
u
lts
ar
e
d
ep
icted
i
n
Fi
g
u
r
es
7
-
1
6
.
P
o
w
er
q
u
alit
y
p
ar
a
m
e
ter
s
ar
e
also
lis
t
ed
in
T
ab
le
1
f
o
r
6
-
p
u
ls
e
an
d
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
s
.
T
ab
le
1
.
T
h
e
P
e
r
f
o
r
m
a
n
ce
o
f
C
o
m
p
ar
is
o
n
o
f
Si
m
u
lated
P
o
w
er
Q
u
alit
y
P
ar
am
e
ter
s
o
f
T
h
e
DT
C
I
MD
FED
Fro
m
Di
f
f
er
e
n
t
A
C
–
D
C
C
o
n
v
er
ter
s
Sr.
N
o
.
T
o
p
o
l
o
g
y
%
T
H
D
o
f
V
ac
D
i
st
o
r
t
i
o
n
F
a
c
t
o
r
,
DF
D
i
sp
l
a
c
e
me
n
t
F
a
c
t
o
r
,
D
P
F
P
o
w
e
r
F
a
c
t
o
r
,
P
F
D
C
V
o
l
t
a
g
e
(
V
)
L
i
g
h
t
L
o
a
d
F
u
l
l
L
o
a
d
L
i
g
h
t
L
o
a
d
F
u
l
l
L
o
a
d
L
i
g
h
t
L
o
a
d
F
u
l
l
L
o
a
d
L
i
g
h
t
L
o
a
d
F
u
l
l
L
o
a
d
1
6
-
p
u
l
se
5
.
6
3
0
.
8
8
4
0
.
9
5
9
0
.
9
8
5
0
.
9
8
8
0
.
8
7
2
0
.
9
4
8
6
1
6
.
6
6
0
7
.
9
2
30
-
p
u
l
se
1
.
9
4
0
.
9
9
8
0
.
9
9
9
0
.
9
9
5
0
.
9
9
8
0
.
9
9
4
0
.
9
9
7
6
1
0
.
6
6
0
6
.
9
Fig
u
r
e
4
.
Ma
tlab
m
o
d
el
o
f
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
f
ed
DT
C
I
MD
T
h
re
e
-p
h
a
s
e
i
n
v
e
rt
e
r
3
0
-
P
u
l
s
e
A
C
-
D
C
C
o
n
ve
r
t
e
r
4
Wm
3
C
t
rl
2
C
o
n
v
.
1
M
o
t
o
r
N
N*
M
a
g
C
F
l
u
x
*
T
o
r
q
u
e
*
C
t
r
l
Sp
e
e
d
C
o
n
t
ro
l
l
e
r
RT
R
a
t
e
T
r
a
n
s
i
t
i
o
n
m
N
Rad2Rpm
I
_
a
b
V
_
a
b
c
Ta
Tb
Tc
V
_
C
o
m
M
t
a
M
t
b
M
t
c
M
e
a
s
u
re
s
Ld
g
A
B
C
+
-
Tm
m
A
B
C
I
n
d
u
ct
i
o
n
m
a
ch
i
n
e
T
o
r
q
u
e
*
F
l
u
x
*
V
_
a
b
c
I
_
a
b
M
a
g
C
G
a
t
e
s
D
T
C
Cd
M
e
a
s
.
V
L
+
V
L
-
V
+
V
-
Bra
ki
n
g
ch
o
p
p
e
r
A
B
C
4
6
0
V
6
0
H
z
2
Tm
1
SP
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
<
R
ot
or
s
peed
(w
m
)>
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
A
P
E
I
SS
N:
2252
-
8792
R
ed
u
ce
d
R
a
tin
g
3
0
-
p
u
ls
e
A
C
-
DC
C
o
n
ve
r
te
r
fo
r
P
o
w
er Qu
a
li
ty
I
mp
r
o
ve
men
t
(
R
o
h
o
lla
h
A
b
d
o
lla
h
i
)
205
Fig
u
r
e
5
.
Ma
tlab
m
o
d
el
o
f
p
r
o
p
o
s
ed
au
to
tr
an
s
f
o
r
m
er
f
o
r
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
s
y
s
te
m
s
i
m
u
lat
io
n
4.
RE
SU
L
T
S AN
D
D
I
SCU
SS
I
O
N
T
ab
le
1
lis
ts
th
e
p
o
w
er
q
u
alit
y
i
n
d
ices
o
b
tain
ed
f
r
o
m
t
h
e
s
i
m
u
latio
n
r
esu
lts
o
f
t
h
e
6
-
p
u
l
s
e
an
d
3
0
-
p
u
ls
e
co
n
v
er
ter
s
.
Ma
tlab
b
lo
c
k
d
ia
g
r
a
m
o
f
3
0
-
p
u
l
s
e
ac
–
d
c
c
o
n
v
er
ter
s
y
s
te
m
s
i
m
u
la
tio
n
,
a
s
s
h
o
w
n
in
Fi
g
u
r
e
6
.
Fig
u
r
e
7
d
ep
icts
th
r
ee
g
r
o
u
p
s
o
f
5
-
p
h
ase
v
o
lta
g
e
w
a
v
e
f
o
r
m
s
w
it
h
a
p
h
ase
s
h
if
t
o
f
1
2
d
eg
r
ee
s
b
et
w
ee
n
th
e
s
a
m
e
v
o
lta
g
es
o
f
ea
c
h
g
r
o
u
p
.
T
h
e
v
o
ltag
e
ac
r
o
s
s
th
e
in
ter
p
h
ase
tr
an
s
f
o
r
m
er
h
a
s
a
f
r
eq
u
en
c
y
eq
u
al
to
5
ti
m
e
s
th
at
o
f
t
h
e
s
u
p
p
l
y
w
h
ic
h
r
es
u
lts
in
a
s
i
g
n
i
f
ican
t
r
ed
u
ctio
n
in
v
o
l
u
m
e
an
d
co
s
t
o
f
m
a
g
n
e
tics
.
T
h
e
3
0
-
p
u
ls
e
co
n
v
er
t
er
o
u
tp
u
t
v
o
ltag
e
(
s
h
o
w
n
i
n
F
ig
u
r
e
8
)
is
a
l
m
o
s
t s
m
o
o
th
an
d
f
r
ee
o
f
r
ip
p
les an
d
i
ts
av
er
ag
e
v
al
u
e
i
s
6
0
9
v
o
lts
w
h
ich
is
ap
p
r
o
x
i
m
a
tel
y
eq
u
al
to
th
e
DC
lin
k
v
o
lta
g
e
o
f
a
s
ix
-
p
u
l
s
e
r
ec
tif
ier
(
6
0
8
v
o
l
ts
)
.
T
h
is
m
a
k
es
t
h
e
30
-
p
u
ls
e
co
n
v
er
ter
s
u
itab
le
f
o
r
r
etr
o
f
it a
p
p
licatio
n
s
.
Dif
f
er
en
t
o
u
tp
u
t
a
n
d
in
p
u
t
c
h
ar
ac
ter
is
tic
s
o
f
s
i
x
-
p
u
l
s
e
an
d
p
r
o
p
o
s
ed
3
0
-
p
u
ls
e
co
n
v
er
t
er
f
ee
d
in
g
DT
C
I
MD
s
u
c
h
as
s
u
p
p
l
y
c
u
r
r
en
t,
r
o
to
r
s
p
ee
d
,
elec
tr
o
m
a
g
n
etic
to
r
q
u
e,
a
n
d
D
C
li
n
k
v
o
ltag
e
ar
e
s
h
o
w
n
i
n
Fig
u
r
e
9
.
T
h
e
d
y
n
a
m
ic
ch
ar
ac
ter
is
tics
o
f
th
e
t
w
o
co
n
v
er
ter
s
ca
n
b
e
u
s
ed
to
co
m
p
ar
e
th
eir
d
y
n
a
m
ic
r
esp
o
n
s
e
th
r
o
u
g
h
co
n
d
itio
n
s
s
u
c
h
a
s
s
ta
r
tin
g
o
r
lo
ad
v
ar
iatio
n
s
.
I
n
p
u
t
cu
r
r
en
t
w
a
v
e
f
o
r
m
s
a
n
d
its
h
ar
m
o
n
ic
s
p
ec
tr
u
m
o
f
th
e
6
-
p
u
ls
e
a
n
d
3
0
-
p
u
ls
e
co
n
v
er
ter
s
e
x
tr
ac
ted
a
n
d
s
h
o
wn
in
Fig
u
r
e
s
10
-
1
1
,
r
esp
ec
tiv
el
y
to
ch
ec
k
t
h
eir
co
n
s
is
ten
c
y
w
i
th
th
e
li
m
itatio
n
s
o
f
t
h
e
I
E
E
E
s
ta
n
d
ar
d
5
1
9
.
I
n
g
e
n
er
al,
t
h
e
lar
g
e
l
y
i
m
p
r
o
v
ed
p
er
f
o
r
m
a
n
ce
o
f
th
e
3
0
-
p
u
l
s
e
co
n
v
er
ter
m
a
k
es
th
e
p
o
w
er
q
u
alit
y
i
n
d
ices
s
u
ch
as
T
HD
o
f
s
u
p
p
l
y
cu
r
r
en
t
an
d
v
o
lta
g
e
(
T
HDi
an
d
T
HDv
)
,
d
is
p
lace
m
e
n
t
p
o
w
er
f
ac
to
r
(
DP
F),
d
is
to
r
tio
n
f
ac
to
r
(
DF)
,
an
d
p
o
w
er
f
ac
to
r
(
P
F)
s
atis
f
ac
to
r
y
f
o
r
d
if
f
er
e
n
t lo
ad
in
g
co
n
d
itio
n
s
.
T
h
e
af
o
r
e
m
e
n
tio
n
e
d
cr
iter
ia
ar
e
lis
ted
in
T
ab
le
1
f
o
r
th
e
t
w
o
t
y
p
es o
f
co
n
v
er
ter
s
.
Fig
u
r
e
6
.
Ma
tlab
b
l
o
ck
d
iag
r
am
o
f
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
s
y
s
te
m
s
i
m
u
la
tio
n
1+
1
+2
2
+3
3
+4
4
+5
5
+6
6
+7
7
+8
8
+9
9
+
1
0
10
V
c
a
1+
1
+2
2
+3
3
+4
4
+5
5
+6
6
+7
7
+8
8
+9
9
+
1
0
10
V
b
c
1+
1
+2
2
+3
3
+4
4
+5
5
+6
6
+7
7
+8
8
+9
9
+
1
0
10
V
a
b
A
B
C
T
h
r
e
e
-P
h
a
s
e
S
o
u
r
c
e
1+
1
+2
2
1+
1
+2
2
1+
1
+2
2
Ld
C
onn1
C
onn2
D
T
C
I
M
D
Cd
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
IJ
A
P
E
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
2
0
1
7
:
1
9
9
–
2
1
0
206
Fig
u
r
e
7
.
Au
to
tr
an
s
f
o
r
m
er
o
u
t
p
u
t v
o
lta
g
e
(
th
r
ee
g
r
o
u
p
s
o
f
5
-
p
h
ase
v
o
lta
g
e)
Fig
u
r
e
8
.
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
o
u
tp
u
t v
o
lta
g
e
Fig
u
r
e
9
.
W
av
ef
o
r
m
s
d
ep
ictin
g
d
y
n
a
m
ic
r
esp
o
n
s
e
o
f
6
-
a
n
d
3
0
-
p
u
ls
e
d
io
d
e
r
ec
tif
ier
f
ed
D
T
C
I
MD
w
it
h
lo
ad
p
er
tu
r
b
atio
n
(
s
o
u
r
ce
cu
r
r
en
t i
sA
,
s
p
ee
d
ω
r
,
d
ev
elo
p
ed
elec
tr
o
m
ag
n
etic
to
r
q
u
e
T
e
,
an
d
d
c
-
lin
k
v
o
ltag
e
V
dc
)
0
0
.
0
0
2
0
.
0
0
4
0
.
0
0
6
0
.
0
0
8
0
.
0
1
0
.
0
1
2
0
.
0
1
4
0
.
0
1
6
0
.
0
1
8
0
.
0
2
-
4
0
0
-
3
0
0
-
2
0
0
-
1
0
0
0
100
200
300
400
T
i
m
e
0
0
.
0
0
2
0
.
0
0
4
0
.
0
0
6
0
.
0
0
8
0
.
0
1
0
.
0
1
2
0
.
0
1
4
0
.
0
1
6
0
.
0
1
8
0
.
0
2
0
100
200
300
400
500
600
700
800
T
i
m
e
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
2
0
0
0
0
2000
S
t
a
t
o
r
c
u
r
r
e
n
t
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
5
0
0
0
500
R
o
t
o
r
s
p
e
e
d
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
5
0
0
0
500
1000
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
T
o
r
q
u
e
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
0
500
1000
T
i
m
e
D
C
b
u
s
v
o
l
t
a
g
e
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
2
0
0
0
0
2000
S
t
a
t
o
r
c
u
r
r
e
n
t
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
5
0
0
0
500
R
o
t
o
r
s
p
e
e
d
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
-
5
0
0
0
500
1000
E
l
e
c
t
r
o
m
a
g
n
e
t
i
c
T
o
r
q
u
e
0
0
.
1
0
.
2
0
.
3
0
.
4
0
.
5
0
.
6
0
.
7
0
.
8
0
.
9
1
0
500
1000
T
i
m
e
D
C
b
u
s
v
o
l
t
a
g
e
Evaluation Warning : The document was created with Spire.PDF for Python.
I
J
A
P
E
I
SS
N:
2252
-
8792
R
ed
u
ce
d
R
a
tin
g
3
0
-
p
u
ls
e
A
C
-
DC
C
o
n
ve
r
te
r
fo
r
P
o
w
er Qu
a
li
ty
I
mp
r
o
ve
men
t
(
R
o
h
o
lla
h
A
b
d
o
lla
h
i
)
207
T
h
ese
h
ar
m
o
n
ic
s
p
ec
tr
a
ar
e
o
b
tain
ed
w
h
en
i
n
d
u
ctio
n
m
o
to
r
o
p
e
r
ates
u
n
d
er
lig
h
t
lo
ad
(
2
0
%
o
f
f
u
ll
lo
ad
)
an
d
f
u
ll
lo
ad
co
n
d
itio
n
s
.
Ob
v
io
u
s
l
y
,
f
o
r
6
-
p
u
ls
e
c
o
n
v
er
ter
,
f
i
f
t
h
an
d
s
ev
e
n
t
h
o
r
d
er
h
ar
m
o
n
ic
s
ar
e
d
o
m
i
n
a
n
t.
Hen
ce
,
i
n
p
u
t
cu
r
r
e
n
t
T
HD
o
f
th
i
s
co
n
v
er
ter
w
i
ll
b
e
r
elativ
el
y
a
lar
g
e
a
m
o
u
n
t
an
d
i
s
eq
u
al
to
2
8
.
5
3
%
an
d
5
2
.
5
3
%
f
o
r
f
u
ll
l
o
ad
an
d
lig
h
t
lo
ad
co
n
d
itio
n
s
th
at
ar
e
n
o
t
w
it
h
i
n
t
h
e
s
ta
n
d
ar
d
m
ar
g
i
n
s
.
O
n
th
e
o
th
er
h
a
n
d
,
as
s
h
o
w
n
in
Fi
g
u
r
e
1
1
,
3
0
-
p
u
ls
e
co
n
v
er
ter
h
as
a
n
ac
ce
p
tab
le
c
u
r
r
en
t
T
HD
(
3
.
1
2
%
f
o
r
li
g
h
t
lo
ad
an
d
2
.
2
7
%
f
o
r
f
u
ll
lo
ad
co
n
d
i
tio
n
s
)
.
I
n
th
i
s
co
n
f
i
g
u
r
atio
n
,
l
o
w
o
r
d
er
h
ar
m
o
n
ics
u
p
to
2
7
t
h
ar
e
eli
m
i
n
ated
in
th
e
s
u
p
p
l
y
cu
r
r
e
n
t.
Fig
u
r
e
1
0
.
I
n
p
u
t c
u
r
r
en
t
w
a
v
e
f
o
r
m
o
f
s
i
x
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
an
d
its
h
ar
m
o
n
ic
s
p
ec
t
r
u
m
at
lig
h
t lo
ad
an
d
f
u
ll lo
ad
Fig
u
r
e
1
1
.
I
n
p
u
t c
u
r
r
en
t
w
a
v
e
f
o
r
m
o
f
30
-
p
u
ls
e
ac
–
d
c
co
n
v
er
t
er
an
d
its
h
ar
m
o
n
ic
s
p
ec
t
r
u
m
at
lig
h
t lo
ad
an
d
f
u
ll lo
ad
0
.
9
0
.
9
1
0
.
9
2
0
.
9
3
0
.
9
4
0
.
9
5
0
.
9
6
0
.
9
7
0
.
9
8
0
.
9
9
1
-
2
0
-
1
0
0
10
20
S
e
l
e
c
t
e
d
s
i
g
n
a
l
:
6
0
c
y
c
l
e
s
.
FF
T
w
i
n
d
o
w
(
i
n
r
e
d
)
:
1
c
y
c
l
e
s
T
i
m
e
(
s
)
0
500
1000
1500
2000
2500
3000
3500
4000
4500
0
20
40
60
80
100
Fr
e
q
u
e
n
c
y
(
H
z
)
Fu
n
d
a
m
e
n
t
a
l
(
6
0
H
z
)
=
1
0
.
3
3
,
T
H
D
=
5
2
.
5
3
%
M
a
g
(
%
o
f
Fu
n
d
a
m
e
n
t
a
l
)
0
.
9
0
.
9
1
0
.
9
2
0
.
9
3
0
.
9
4
0
.
9
5
0
.
9
6
0
.
9
7
0
.
9
8
0
.
9
9
1
-
5
0
0
50
S
e
l
e
c
t
e
d
s
i
g
n
a
l
:
6
0
c
y
c
l
e
s
.
FF
T
w
i
n
d
o
w
(
i
n
r
e
d
)
:
1
c
y
c
l
e
s
T
i
m
e
(
s
)
0
500
1000
1500
2000
2500
3000
3500
4000
4500
0
20
40
60
80
100
Fr
e
q
u
e
n
c
y
(
H
z
)
Fu
n
d
a
m
e
n
t
a
l
(
6
0
H
z
)
=
5
2
.
6
9
,
T
H
D
=
2
8
.
5
3
%
M
a
g
(
%
o
f
Fu
n
d
a
m
e
n
t
a
l
)
0
.
9
0
.
9
1
0
.
9
2
0
.
9
3
0
.
9
4
0
.
9
5
0
.
9
6
0
.
9
7
0
.
9
8
0
.
9
9
1
-
2
0
-
1
0
0
10
20
S
e
l
e
c
t
e
d
s
i
g
n
a
l
:
6
0
c
y
c
l
e
s
.
FF
T
w
i
n
d
o
w
(
i
n
r
e
d
)
:
1
c
y
c
l
e
s
T
i
m
e
(
s
)
0
500
1000
1500
2000
2500
0
20
40
60
80
100
Fr
e
q
u
e
n
c
y
(
H
z
)
Fu
n
d
a
m
e
n
t
a
l
(
6
0
H
z
)
=
1
0
.
6
1
,
T
H
D
=
3
.
1
2
%
M
a
g
(
%
o
f
Fu
n
d
a
m
e
n
t
a
l
)
0
.
9
0
.
9
1
0
.
9
2
0
.
9
3
0
.
9
4
0
.
9
5
0
.
9
6
0
.
9
7
0
.
9
8
0
.
9
9
1
-
5
0
0
50
S
e
l
e
c
t
e
d
s
i
g
n
a
l
:
6
0
c
y
c
l
e
s
.
FF
T
w
i
n
d
o
w
(
i
n
r
e
d
)
:
1
c
y
c
l
e
s
T
i
m
e
(
s
)
0
500
1000
1500
2000
2500
0
20
40
60
80
100
Fr
e
q
u
e
n
c
y
(
H
z
)
Fu
n
d
a
m
e
n
t
a
l
(
6
0
H
z
)
=
5
2
.
6
7
,
T
H
D
=
2
.
2
7
%
M
a
g
(
%
o
f
Fu
n
d
a
m
e
n
t
a
l
)
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2252
-
8792
IJ
A
P
E
Vo
l.
6
,
No
.
3
,
Dec
em
b
er
2
0
1
7
:
1
9
9
–
2
1
0
208
Fig
u
r
e
1
2
.
Var
iatio
n
o
f
T
HD
a
n
d
p
o
w
er
f
ac
to
r
w
it
h
lo
ad
o
n
DT
C
I
MD
in
6
-
p
u
l
s
e
an
d
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
Dif
f
er
en
t
p
o
w
er
q
u
alit
y
i
n
d
ic
es
o
f
t
h
e
p
r
o
p
o
s
ed
to
p
o
lo
g
y
u
n
d
er
d
if
f
er
en
t
lo
ad
in
g
co
n
d
i
tio
n
s
ar
e
s
h
o
w
n
in
T
ab
le
2
.
R
esu
lts
s
h
o
w
t
h
at
e
v
en
u
n
d
er
lo
ad
v
ar
iatio
n
s
,
t
h
e
3
0
-
p
u
l
s
e
co
n
v
er
ter
h
as
a
n
i
m
p
r
o
v
ed
p
er
f
o
r
m
a
n
ce
a
n
d
th
e
c
u
r
r
en
t
T
HD
is
al
w
a
y
s
less
th
a
n
3
%
f
o
r
all
lo
ad
in
g
co
n
d
itio
n
s
.
I
n
p
u
t
c
u
r
r
en
t
T
HD
an
d
p
o
w
er
f
ac
to
r
v
ar
iatio
n
s
ar
e
als
o
s
h
o
w
n
i
n
Fi
g
u
r
e
1
2
,
f
o
r
6
-
p
u
ls
e,
a
n
d
3
0
-
p
u
ls
e
ac
-
d
c
co
n
v
er
ter
s
.
R
esu
lts
s
h
o
w
th
at
th
e
i
n
p
u
t
cu
r
r
en
t
co
r
r
esp
o
n
d
in
g
to
th
e
p
r
o
p
o
s
ed
co
n
f
ig
u
r
atio
n
h
a
s
an
al
m
o
s
t
u
n
it
y
p
o
w
er
f
ac
to
r
.
Fu
r
t
h
er
m
o
r
e,
i
n
t
h
e
w
o
r
s
t
c
ase
(
li
g
h
t
lo
ad
s
)
t
h
e
c
u
r
r
e
n
t
T
HD
h
as
r
ea
ch
ed
b
elo
w
3
%
f
o
r
th
e
p
r
o
p
o
s
ed
to
p
o
lo
g
y
.
F
u
r
th
er
m
o
r
e,
th
e
p
r
o
p
o
s
ed
co
n
v
er
ter
r
eq
u
ir
es
th
r
ee
in
ter
-
p
h
ase
tr
an
s
f
o
r
m
er
s
in
th
e
d
c
lin
k
C
o
m
p
ar
ed
to
o
th
er
co
n
v
er
ter
s
th
at
n
ee
d
f
iv
e
I
P
T
th
at
lead
s
to
th
e
r
ed
u
ce
d
k
ilo
v
o
lt
a
m
p
e
r
e
r
atin
g
,
s
ize,
an
d
we
i
g
h
t
o
f
th
e
p
r
o
p
o
s
ed
r
ec
tif
ier
.
T
h
e
ca
lcu
lated
r
atin
g
s
ar
e
2
7
9
2
.
5
VA
[
4
0
]
,
2
8
0
8
.
3
[
4
1
]
,
an
d
2
8
0
2
.
5
[
4
2
]
f
o
r
I
PT
,
w
h
ic
h
ar
e
7
.
4
8
,
7
.
5
2
%
an
d
7
.
5
1
%
o
f
th
e
lo
ad
p
o
w
er
r
atin
g
(
3
7
.
3
k
W
)
,
r
esp
ec
tiv
el
y
.
T
h
is
to
p
o
lo
g
y
n
ee
d
s
an
i
n
ter
p
h
ase
tr
an
s
f
o
r
m
er
o
f
1
7
9
0
.
4
VA
w
h
ich
is
4
.
8
%
o
f
t
h
e
lo
ad
p
o
w
er
r
ati
n
g
.
T
h
e
p
r
o
p
o
s
ed
au
to
tr
an
s
f
o
r
m
er
-
b
ased
3
0
-
p
u
ls
e
ac
–
d
c
co
n
v
er
ter
r
esu
lts
in
a
co
s
t
-
e
f
f
ec
ti
v
e
r
ep
lace
m
en
t
f
o
r
r
etr
o
f
it
ap
p
licatio
n
s
,
w
h
er
e
p
r
esen
t
l
y
a
s
ix
-
p
u
l
s
e
d
io
d
e
b
r
id
g
e
r
ec
tif
ier
is
b
ein
g
u
s
ed
.
T
ab
le.
2
.
C
o
m
p
ar
is
o
n
o
f
P
o
w
e
r
Qu
alit
y
I
n
d
ices o
f
P
r
o
p
o
s
ed
3
0
-
p
u
ls
e
AC
-
DC
C
o
n
v
er
ter
L
o
a
d
(
%)
T
H
D
(
%)
CF
o
f
I
S
DF
D
P
F
PF
R
F
(
%)
V
dc
(V)
IS
VS
20
3
.
1
2
0
.
6
0
1
.
4
1
2
0
.
9
9
8
5
0
.
9
9
5
3
0
.
9
9
3
8
0
.
0
0
2
6
1
0
.
6
40
2
.
4
8
0
.
7
8
1
.
4
1
3
0
.
9
9
8
8
0
.
9
9
7
6
0
.
9
9
6
4
0
.
0
0
1
6
0
9
.
7
60
2
.
3
5
1
.
0
0
1
.
4
1
3
0
.
9
9
8
9
0
.
9
9
7
8
0
.
9
9
6
7
0
.
0
0
3
6
0
8
.
8
80
2
.
3
0
1
.
4
4
1
.
4
1
3
0
.
9
9
8
8
0
.
9
9
8
1
0
.
9
9
6
8
0
.
0
0
3
6
0
7
.
9
1
0
0
2
.
2
7
1
.
9
4
1
.
4
1
3
0
.
9
9
8
8
0
.
9
9
8
0
0
.
9
9
6
8
0
.
0
0
2
6
0
6
.
9
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
6
-
P
u
l
s
e
3
0
-
P
u
l
s
e
L
o
a
d
(
%
)
TH
D
o
f
a
c
m
a
i
n
s
c
u
r
r
e
n
t
(
%
)
0
10
20
30
40
50
60
70
80
90
100
0
.
7
0
.
7
5
0
.
8
0
.
8
5
0
.
9
0
.
9
5
1
6
-
P
u
l
s
e
3
0
-
P
u
l
s
e
L
o
a
d
(
%
)
P
o
w
e
r
Fa
c
t
o
r
Evaluation Warning : The document was created with Spire.PDF for Python.