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2
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f
ed
to
B
L
DC
m
o
to
r
as
an
i
n
p
u
t
is
ch
o
s
en
to
b
e
p
h
o
to
-
v
o
ltaic
(
P
V)
s
y
s
te
m
[7
-
10
]
in
th
i
s
p
ap
er
.
P
-
N
j
u
n
ct
io
n
la
y
er
ar
r
an
g
ed
i
n
a
s
p
ec
i
f
i
c
m
a
n
n
er
f
o
r
m
s
a
P
V
ce
ll a
n
d
w
h
e
n
p
h
o
to
n
s
f
r
o
m
s
o
lar
en
er
g
y
f
al
ls
o
n
P
V
ce
ll,
elec
tr
o
n
s
in
P
V
ce
ll
tr
ies
to
m
o
v
e
cr
o
s
s
i
n
g
t
h
e
b
ar
r
ier
j
u
n
ctio
n
g
i
v
in
g
r
i
s
e
to
cu
r
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en
t
f
lo
w
[
1
1
-
14
]
.
So
lar
e
n
er
g
y
is
a
t
y
p
e
o
f
r
e
n
e
w
ab
le
en
er
g
y
s
o
u
r
ce
f
r
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l
y
av
ai
lab
le
f
r
o
m
u
n
i
v
er
s
e
a
n
d
th
e
elec
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ical
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er
g
y
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e
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ate
d
f
r
o
m
t
h
is
t
y
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e
o
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r
ce
i
s
in
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h
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s
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P
V
s
y
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te
m
g
e
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ates
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t
y
p
e
o
f
elec
tr
ical
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o
w
er
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d
is
o
f
lo
w
v
o
ltag
e.
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h
e
lo
w
v
o
lta
g
e
o
u
t
p
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t
f
r
o
m
s
o
lar
P
V
s
y
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te
m
i
s
i
n
s
u
f
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ic
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t
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r
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y
s
y
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te
m
a
n
d
t
h
u
s
r
eq
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ir
es
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v
o
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g
e
b
o
o
s
ter
g
e
n
er
all
y
a
DC
-
DC
co
n
v
er
ter
.
Hig
h
g
ai
n
DC
-
DC
co
n
v
er
ter
i
s
e
m
p
lo
y
ed
in
th
is
p
ap
er
f
o
r
b
o
o
s
tin
g
t
h
e
lo
w
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e
D
C
o
u
tp
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t
f
r
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m
P
V
s
y
s
te
m
.
T
h
e
co
m
p
lete
s
c
h
e
m
atic
ar
r
an
g
e
m
en
t o
f
P
V
ce
ll Fed
B
L
D
C
m
o
to
r
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s
h
o
w
n
i
n
Fi
g
u
r
e
2.
T
h
e
p
ap
er
p
r
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ts
an
e
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t
s
p
ee
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co
n
tr
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b
r
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s
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le
s
s
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C
(
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L
D
C
)
m
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to
r
d
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o
r
p
h
o
to
-
v
o
ltaic
(
P
V)
s
y
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m
f
ed
s
y
s
te
m
.
A
h
i
g
h
-
g
ai
n
DC
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D
C
co
n
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er
ter
is
e
m
p
lo
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ed
in
t
h
e
s
y
s
te
m
to
b
o
o
s
t
th
e
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V
s
y
s
te
m
lo
w
o
u
tp
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t v
o
lta
g
e
to
a
lev
el
r
eq
u
ir
ed
f
o
r
th
e
d
r
iv
e
s
y
s
te
m
.
Hig
h
-
g
ai
n
D
C
-
DC
co
n
v
er
ter
i
s
o
p
er
ated
in
clo
s
ed
-
lo
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p
m
o
d
e
to
attai
n
ac
c
u
r
ate
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d
s
tead
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o
u
tp
u
t.
T
h
e
co
n
v
e
r
ter
(
VSI
)
f
o
r
B
L
D
C
i
s
s
w
i
tc
h
ed
at
f
u
n
d
a
m
en
ta
l
f
r
eq
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en
c
y
a
n
d
th
u
s
r
ed
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cin
g
h
ig
h
f
r
eq
u
en
c
y
s
w
i
tch
in
g
lo
s
s
es.
I
n
ter
n
al
cu
r
r
e
n
t
co
n
tr
o
l
m
eth
o
d
is
d
ev
elo
p
ed
an
d
e
m
p
lo
y
ed
f
o
r
t
h
e
s
p
ee
d
co
n
tr
o
l
o
f
P
V
f
ed
B
L
D
C
m
o
to
r
.
T
h
e
ap
p
r
o
p
r
iaten
ess
o
f
t
h
e
i
n
ter
n
a
l
c
u
r
r
en
t
co
n
tr
o
ller
f
o
r
th
e
s
p
ee
d
co
n
tr
o
l
o
f
P
V
f
ed
B
L
DC
m
o
to
r
is
v
er
if
ied
f
o
r
i
n
cr
ea
m
e
n
tal
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p
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d
w
it
h
f
i
x
ed
to
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u
e
an
d
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ec
r
ea
m
en
tal
s
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d
w
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th
f
i
x
ed
to
r
q
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e
o
p
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atin
g
co
n
d
itio
n
s
.
T
h
e
s
y
s
te
m
i
s
d
ev
elo
p
ed
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d
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lt
s
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o
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r
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v
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u
p
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o
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S
e
n
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g
B
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M
o
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l
e
c
t
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Fig
u
r
e
1
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B
lo
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r
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C
m
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C
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r
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Fig
u
r
e
2
.
P
V
ce
ll Fed
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m
o
to
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P
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E
D
H
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R
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I
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ig
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ter
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s
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o
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n
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g
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r
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3
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h
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r
o
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s
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to
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e
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t
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r
Fig
u
r
e
3
.
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h
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ai
n
d
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d
c
co
n
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er
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S
1
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D
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2
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u
r
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4
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Hig
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n
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o
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v
er
ter
w
h
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n
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tch
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itch
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p
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u
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5.
Hig
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ter
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F
Evaluation Warning : The document was created with Spire.PDF for Python.
I
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p
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N:
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Fig
u
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6
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I
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8
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I
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p
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I
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N:
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Fig
u
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14
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Si
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4
.
2
.
B
L
DC
O
pera
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t
Va
ria
bl
e
Dec
re
a
m
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a
l S
peeds
w
it
h F
ix
ed
T
o
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qu
e
Co
nd
it
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n
T
h
e
o
u
tp
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te
m
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F
ig
u
r
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1
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.
P
V
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s
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h
e
o
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f
4
0
V
as
s
h
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u
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15
.
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16
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DC
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C
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tato
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r
r
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t d
r
a
w
n
b
y
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h
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L
DC
m
o
to
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in
s
s
a
m
e
with
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t
m
a
g
n
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u
d
e.
Evaluation Warning : The document was created with Spire.PDF for Python.
I
SS
N
:
2
0
8
8
-
8708
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n
t J
E
lec
&
C
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m
p
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g
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2
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u
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.
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u
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17
.
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to
r
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u
r
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18
.
Sp
ee
d
o
f
B
L
DC
m
o
to
r
Evaluation Warning : The document was created with Spire.PDF for Python.
I
n
t J
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&
C
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m
p
E
n
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SS
N:
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ed
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ig
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18
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ar
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.
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u
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19
.
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5.
CO
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ith
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V.
Sp
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tr
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eth
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s
p
ee
d
co
n
d
itio
n
s
m
ai
n
tai
n
in
g
f
i
x
ed
to
r
q
u
e.
RE
F
E
R
E
NC
E
S
[1
]
P
.
K.
S
h
a
rm
a
a
n
d
A
.
S
.
S
in
d
e
k
a
r,
"
Per
fo
rm
a
n
c
e
a
n
a
lys
is
a
n
d
c
o
mp
a
ris
o
n
o
f
BL
DC
mo
to
r
d
riv
e
u
sin
g
PI
a
n
d
FOC,
"
2
0
1
6
I
n
tern
a
ti
o
n
a
l
Co
n
f
e
re
n
c
e
o
n
G
lo
b
a
l
T
re
n
d
s
in
S
ig
n
a
l
P
ro
c
e
ss
in
g
,
I
n
f
o
rm
a
ti
o
n
Co
m
p
u
ti
n
g
a
n
d
Co
m
m
u
n
ica
ti
o
n
(ICG
T
S
P
ICC)
,
J
a
lg
a
o
n
,
In
d
ia,
2
0
1
6
,
p
p
.
4
8
5
-
4
9
2
.
[2
]
V
.
Ra
m
e
sh
,
Y.
Ku
su
m
a
Lath
a
,
“
A
n
In
terle
a
v
e
d
Bo
o
st
Co
n
v
e
rter
Ba
se
d
P
F
C
Co
n
tro
l
S
trate
g
y
f
o
r
BL
DC
m
o
to
r
,
”
In
tern
a
ti
o
n
a
l
J
o
u
rn
a
l
o
f
El
e
c
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
),
V
o
l.
5
,
No
.
5
,
Oc
t
o
b
e
r
2
0
1
5
,
p
p
.
9
5
7
~
9
6
6
.
[3
]
T
.
Ra
g
h
u
,
S
.
Ch
a
n
d
ra
S
e
k
h
a
r,
J.
S
rin
iv
a
s
Ra
o
,
“
S
E
P
IC
Co
n
v
e
rter
b
a
se
d
-
Driv
e
f
o
r
Un
ip
o
lar
BL
DC
M
o
to
r
,
”
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
E
lec
trica
l
a
n
d
C
o
mp
u
ter
En
g
in
e
e
rin
g
(
IJ
ECE
),
V
o
l.
2
,
N
o
.
2
,
A
p
ril
2
0
1
2
,
p
p
.
1
5
9
~
1
6
5
.
[4
]
L
e
i
Jin
-
li
,
“
A
d
a
p
ti
v
e
Co
n
tro
l
f
o
r
Bru
sh
les
s
DC
M
o
to
r
Ba
se
d
o
n
F
u
z
z
y
In
f
e
re
n
c
e
,
”
T
EL
KOM
NIKA
In
d
o
n
e
si
a
n
J
o
u
rn
a
l
o
f
El
e
c
trica
l
En
g
in
e
e
rin
g
,
Vo
l.
1
2
,
No
.
5
,
M
a
y
2
0
1
4
,
p
p
.
3
3
9
2
~
3
3
9
8
.
[5
]
C.
Bh
a
ra
ti
ra
ja,
S
h
y
a
m
Ba
b
u
,
V
.
Krish
n
a
k
u
m
a
r,
P
.
S
a
n
jee
v
ik
u
m
a
r
,
Nix
o
n
G
e
o
rg
e
,
“
In
v
e
stig
a
ti
o
n
o
f
S
li
m
Ty
p
e
BL
DC
M
o
to
r
Driv
e
w
it
h
T
o
rq
u
e
Rip
p
le
M
i
n
im
iza
ti
o
n
u
sin
g
A
b
rid
g
e
d
S
p
a
c
e
-
V
e
c
to
r
P
W
M
Co
n
tro
l
M
e
th
o
d
,
”
In
ter
n
a
t
io
n
a
l
J
o
u
rn
a
l
o
f
P
o
we
r E
lec
tro
n
ics
a
n
d
Dr
ive
S
y
ste
m (
IJ
PE
DS
)
V
o
l
.
8
,
No
.
2
,
Ju
n
e
2
0
1
7
,
p
p
.
5
9
3
~
6
0
0
.
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