Efficiency - Delta M Series Operation And Installation Manual

9000
Pac(W)
8000
7680W
7000
5760W
6000
5000
4000
3000
2000
1000
50V
0
0 100
Figure 3: M6-TL-US / M8-TL-US DC voltage range
6000
Pac(W)
4800W
5000
12000
Pac(W)
3840W
4000
9600W
10000
3000
8000
2000
6000
1000
4000
50V
0
2000
0 100
50V
0
0 100
Figure 4: M10-TL-US DC voltage range
2.6

Efficiency

The best efficiency of the solar inverter is obtained at input voltages > 320V for 208V grid, and
input voltages > 380V for 240V grid. The curve is obtained at 240V grid.
270V
120V
200
120V
180V 220V
200 300
120V
200
M8-TL-US
M6-TL-US
480V
300 400
M5-TL-US
Mario 10
M4-TL-US
Voc*
range
480V
400 500
280V
300 400
non-operating
range
Voc*
range
*Voc:range
of open circuit
PV input(V)
550V
500 600
non-
operating
non-operating
*Voc:range
range
of open
Voc*
range
*Voc:range
of open
PV input(V)
550V
600 700
480V
550V
500 600
700
PV input(V)
11