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10.3.3 Grid Voltage Derating Graph
When the Volt-Watt function is disabled, and grid voltage is within
100%~110% (Un ~ 1.1*Un) of the Rated Output Voltage, the inverter
output power (Pn) may reach 100%. When the grid voltage is lower than
the Rated Output Voltage, the inverter will limit the AC Output Current and
the output power (Pn) will begin to derate, as shown in Figure 10-3.
20%
40%
60%
80%
100%
Po/Pn
0.88*Un Un 1.1*Un
Grid Voltage (Vac)
Figure 10-3 SCA50/60KTL Derating Curve of Grid Voltage
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