Delta AU Series - Inverter Efficiency; Equipment Overview

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Figure 2: M5-TL 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 230V grid. The curve is obtained at 230V,380V and 480V grid.
Figure 3: M5-TL efficiency plot
2.7 Equipment overview
Figure 4. Exterior view of solar inverter main components
A further description of the equipment features:
(1) Inverter - This is the inverter section of the assembly. This section is sealed at the factory and
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0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
Efficiency, %
Percentage of Rated Output Power
230 Vdc
380 Vdc
480 Vdc
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)