I
nte
rna
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io
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l J
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Adv
a
nces in Applie
d Science
s
(
I
J
AAS)
Vo
l.
6
,
No
.
3
,
Sep
tem
b
er
2
0
1
7
,
p
p
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2
2
1
~
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2
9
I
SS
N:
2252
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8814
221
J
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Wa
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©
201
7
In
s
t
it
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te o
f
A
d
v
a
n
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n
g
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c
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.
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l
rig
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C
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f
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1.
I
NT
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8814
IJ
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Vo
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3
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Sep
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201
7
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29
222
W
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I
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N
:
2
2
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2
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8814
IJ
AA
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Vo
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6
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3
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201
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IJ
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8814
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2
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IJ
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6
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3
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Fig
u
r
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(
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r
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p
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
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N:
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Fig
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C
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G
L
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SYS
T
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M
M
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DE
L
I
N
G
T
h
e
s
o
lar
p
u
m
p
in
g
s
y
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te
m
n
o
t
o
p
tim
ized
is
a
co
m
b
i
n
atio
n
of
th
r
ee
s
u
b
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y
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te
m
s
:
a
p
h
o
to
v
o
ltaic
g
en
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ato
r
co
u
p
led
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ir
ec
tl
y
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DC
m
o
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w
i
th
p
er
m
a
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n
t
m
ag
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et
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tr
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h
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s
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id
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s
ed
b
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s
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it
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r
eq
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y
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atter
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eg
u
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t h
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r
u
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ate
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eq
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atio
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s
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y
th
is
d
ir
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t c
o
u
p
lin
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ar
e:
[
4
]
[
5
]
a
m
a
a
a
m
a
l
e
m
a
e
a
di
V
e
R
i
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DC
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Evaluation Warning : The document was created with Spire.PDF for Python.
I
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2
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8814
IJ
AA
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Vo
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6
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3
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Sep
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201
7
: 2
2
1
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29
228
T
h
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r
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tiv
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to
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q
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e
o
f
t
h
e
ce
n
tr
if
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p
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m
p
l
T
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g
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v
en
b
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l
r
s
T
k
T
(
3
1
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s
T
T
h
e
s
tatic
to
r
q
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e
r
k
P
r
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p
o
r
tio
n
ality
f
ac
to
r
[
N.
m
/(
r
d
/s
)
2
]
6.
CO
NCLU
SI
O
N
AND
R
E
SU
L
T
A
T
S
T
h
e
p
o
in
ts
I
m
ax
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d
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m
a
x
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in
th
e
Fi
g
u
r
e9
d
esi
g
n
ate
t
h
e
m
ax
i
m
u
m
p
o
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er
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in
t (
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P
)
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s
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o
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t
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e
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p
ti
m
u
m
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ag
e
(
VM
P
P
)
an
d
th
e
o
p
tim
al
c
u
r
r
en
t (
I
MP
P
)
[
4
]
.
Ma
x
im
u
m
P
o
w
er
P
o
in
t
T
r
ac
k
in
g
(
MP
PT
)
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an
ess
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ti
al
ele
m
e
n
t in
t
h
e
p
h
o
to
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o
lta
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s
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s
te
m
,
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ic
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en
s
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al
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y
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te
ch
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u
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ased
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I
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ian
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0
10
20
30
40
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60
70
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400
500
600
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T
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R
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Evaluation Warning : The document was created with Spire.PDF for Python.
IJ
AA
S
I
SS
N:
2252
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8814
W
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,
An
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Pro
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h
tt
p
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//
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w
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n
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[
2
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Du
ff
ie et Bec
k
m
a
n
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so
la
r en
g
in
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e
rin
g
o
f
t
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;
2
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d
it
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r
1
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9
1
.
[
3
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H.T
sa
i,
C.
T
u
,
a
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