Sungrow SC1200UD-US User Manual

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11.2.2 Charge Temperature Derating
figure 11-4 Charge temperature derating curve of SC1200UD-US/SC1375UD-US/SC1575UD-US/
SC1725UD-US/SC2000UD-US
Ambient temp. T PCS operation situation
T<-35℃ The PCS starts with the aid of auxiliary heater
-35℃<T≤45℃ Operate for a long time at 100% of the overload condition
45℃<T≤50℃ Operate with derating at 1.82%
50℃<T≤60℃ Operate with derating at 9.09%
T>60℃ Enter protection mode;
figure 11-5 Discharge temperature derating curve of SC2500UD
Ambient temp. T PCS operation situation
T<-35℃ The PCS starts with the aid of auxiliary heater
-35℃<T≤40℃ Operate for a long time at 100% of the overload condition
40℃<T≤50℃ Operate with derating at 1%
50℃<T≤60℃ Operate with derating at 9%
T>60℃ Enter protection mode;
Note: SC2500UD and DCDC form a two-level system application, and the working DC bus
voltage range is [1300 ~ 1360]V.
11 PCS Functions User Manual

Sungrow SC1200UD-US Specifications

General

Brand	Sungrow
Model	SC1200UD-US
Category	Industrial Equipment
Language	English