Maximum power point tracking (mppt) – Eaton Electrical ETN2000 User Manual
Page 24
Maximum Power Point Tracking (MPPT)
A good PV inverter must be
able to convert the maximum
power from any PV panel. Due
to its advanced design, Inverter
PV-Inverter can track the
maximum power from your PV
panel in any condition. When the
displayed power on the LCD
output does not change
dramatically, inverter is converting the maximum power from panels.
When the LCD power reading is significantly changes, Inverter is
tracking the power according to the varied sunlight.
I
PV
(A)
U
PV
(V)
0
10
20
30
40
50
1
2
3
4
5
P
PV
(W)
25
50
75
100
125
W
W
h
h
e
e
n
n
t
t
h
h
e
e
P
P
V
V
p
p
a
a
n
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e
e
l
l
’
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s
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o
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t
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p
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t
i
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l
l
o
o
w
w
,
,
t
t
h
h
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e
f
f
e
e
e
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d
d
i
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n
n
g
g
D
D
C
C
-
-
p
p
o
o
w
w
e
e
r
r
m
m
a
a
y
y
d
d
r
r
i
i
f
f
t
t
s
s
l
l
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w
w
l
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a
a
s
s
d
d
o
o
e
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s
t
t
h
h
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e
A
A
C
C
p
p
o
o
w
w
e
e
r
r
.
.
I
I
t
t
i
i
s
s
b
b
e
e
c
c
a
a
u
u
s
s
e
e
P
P
V
V
-
-
I
I
n
n
v
v
e
e
r
r
t
t
e
e
r
r
i
i
s
s
t
t
r
r
a
a
c
c
k
k
i
i
n
n
g
g
m
m
a
a
x
x
i
i
m
m
u
u
m
m
D
D
C
C
-
-
p
p
o
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w
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c
c
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n
n
t
t
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n
n
u
u
o
o
u
u
s
s
l
l
y
y
.
.
1000W/m
2
800W/m
2
600W/m
2
Maximum power point
@ 1000W/m ~ 120W
2
23