46
Sungrow’s PCS meets the abovementioned requirements.
7.2
Temperature Derating
7.2.1 Discharge Temperature Derating
F
Fiig
gu
urre
e 7
7--2
2 Discharge temperature derating curve
A
Am
mb
biie
en
ntt tte
em
mp
p.. T
T
P
PC
CS
S o
op
pe
erra
attiio
on
n ssiittu
ua
attiio
on
n
T<-35℃
The PCS starts with the aid of auxiliary heater
-35℃<T≤30℃
Operate for a long time at 110% of the overload condition
30℃<T≤35℃
Operate with derating at 2%
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%
T>60℃
Enter protection mode;
7.2.2 Charge Temperature Derating
F
Fiig
gu
urre
e 7
7--3
3 Charge temperature derating curve
A
Am
mb
biie
en
ntt tte
em
mp
p.. T
T
P
PC
CS
S o
op
pe
erra
attiio
on
n ssiittu
ua
attiio
on
n
T<-35℃
The PCS starts with the aid of auxiliary heater
-35℃<T≤30℃
Operate for a long time at 110% of the overload condition
30℃<T≤35℃
Operate with derating at 2%
Operation Manual