Technical Parameters - Sunways STT-4K User Manual

8. Technical Parameters

STT- STT-
Model
4KTL 5KTL
DC Input
Start-up Voltage (V) 200 200
Max. DC Input Voltage (V) 1,100 1,100
Min. DC Voltage (V) 150 150
Rated DC Input Voltage (V) 620 620
MPPT Voltage Range (V)
200 240
Full power MPPT Voltage Range (V)
~850 ~850
No. of MPP Trackers 2 2
No. of DC Inputs per MPPT 1/1 1/1
Max. Input Current (A) 11/11 11/11
Max. Short-circuit Current (A) 15/15 15/15
Backfeed current to the array (A) 0 0
AC Output
Rated Output Power (KW) 4 5
Max. Output Power (KW) 4.4 5.5
AC output rated apparent
4 5
power (KVA)
Max. Apparent Power (KVA) 4.4 5.5
Rated Output Voltage (V)
Rated AC Frequency (Hz) 50/60 50/60
AC output rated current (A) 5.8 7.3
Max. Output Current (A) 6.7 8.4
The measured Inrush current (A) 7A@4.4ms
Max. output fault current (A) 33 33
Max. output overcurrent
33 33
protection (A)
Power Factor
Max. total harmonic distortion
DCI
32
STT- STT- STT- STT- STT- STT-
6KTL 8KTL 10KTL 12KTL 15KTL 17KTL
200 200 200 200 200 200
1,100 1,100 1,100 1,100 1,100 1,100
150 150 150 150 150 150
620 620 620 620 620 620
200~950
280 370 470 560 470 400
~850 ~850 ~850 ~850 ~850 ~850
2 2 2 2 2 2
1/1 1/1 1/1 1/1 1/2 2/2
11/11 11/11 11/11 11/11 11/22 22/22
15/15 15/15 15/15 15/15 15/30 30/30
0 0 0 0 0 0
6 8 10 12 15 17
6.6 8.8 11 13.2 16.5 18.7
6 8 10 12 15 17
6.6 8.8 11 13.2 16.5 18.7
3L/N/PE, 230/400V
50/60 50/60 50/60 50/60 50/60 50/60
8.7 11.6 14.5 17.4 21.7 24.6
10 13.3 16.5 20 25 28.4
7A@4ms
33 33 40 40 66 66
33 33 40 40 66 66
0.8 leading ...0.8 lagging
< 3% @Rated Output Power
< 0.5%In
STT- STT-
Model
20KTL 25KTL
Efficiency
200 200 Max. Efficiency
1,100 1,100 European Efficiency
150 150 MPPT Efficiency
Protection
620 620
DC Reverse Polarity Protection
470 585
Insulation Resistance Protection
~850 ~850
DC Switch
2 2
Surge Protection
2/2 2/2
Over-temperature Protection
22/22 22/22
Residual Current Protection
30/30 30/30
Islanding protection
0 0
AC Short-circuit Protection
AC Over-voltage Protection
20 25
General Data
22 25
Dimensions (mm)
20 25
Weight (kg)
22 25
Protection Degree
Self-consumption at Night (W)
50/60 50/60
Topology
29 36.2
Operating Temperature Range (° C)
31.9 39
Relative Humidity
8.5A@4ms
Operating Altitude (m)
76 76
Cooling
76 76
Noise Level (dB)
Display
Communication
Compliance
STT- STT- STT- STT- STT- STT-
4KTL 5KTL 6KTL 8KTL 10KTL 12KTL
98.1% 98.1% 98.3% 98.3% 98.6% 98.6%
97.9% 97.9% 98.0% 98.0% 98.2% 98.2%
99.9% 99.9% 99.9% 99.9% 99.9% 99.9%
Integrated
Integrated
Optional
Integrated (TypeⅡ )
Integrated
Integrated
Frequency shift, Integrated
Integrated
Integrated
550W*410H*175D
22
IP65
< 1
Transformerless
-30~60
0~100%
3000
Natural Convection
< 25
OLED & LED
RS485, WiFi/ GPRS/LAN (Optional)
NB/T32004、IEC62109、IEC62116、VDE4105、VDE0126、UTE C15-712-1、
AS4777、C10/11、CEI0-21、RD1699、NBR16149、IEC61727、IEC60068、
IEC61683、EN50549、EN61000
STT- STT- STT- STT-
15KTL 17KTL 20KTL 25KTL
98.6% 98.6% 98.6% 98.6%
98.2% 98.2% 98.2% 98.2%
99.9% 99.9% 99.9% 99.9%
25
Smart Fan Cooling
< 40
33