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14 Appendix
14.1 Technical Parameters
Model
Input (DC)
Max. PV input voltage
Min. PV input voltage / Start-
up input voltage
Available DC Fuse Sizes
MPP Voltage Range
Full Power MPP Voltage
Range @40℃
No. of independent MPP
inputs
No. of DC inputs
Max. PV input current
Max. DC short-circuit current
PV Array Configuration
AC output power
Output (AC)
Nominal Grid Frequency / Grid
Frequency Range
Harmonic (THD)
Power Factor at Nominal
Power / Ajustable Power
Factor
Efficiency
Inverter Max. efficiency
Inverter CEC efficiency
Transformer
Transformer rated power
Transformer max. power
94
SG3150UD-MV-US
875 V / 915 V
250A, 315A, 400A, 450A, 500A, 630A
875 – 1500 V
875 – 1300 V *
3
21 inputs negative ground-
ing (optional: 18 inputs
floating)
3 * 1226 A
3 * 3528 A
Negative grounding or floating
3150 kVA @ 40 ℃(104 ℉)
60 Hz / 57 – 63 Hz
< 3 % (at nominal power)
> 0.99 / 0.8 leading - 0.8 lagging
3150 kVA
3150 kVA
SG4400UD-MV-US
1500 V
915 V / 955 V
915 – 1500 V
915–1337 V *
4
28 inputs negative ground-
ing (optional: 24 inputs
floating)
4 * 1226 A
4 * 3528 A
4400 kVA @ 40 ℃(104 ℉)
** (Optional: 4400 kVA @
45 ℃ (113 ℉))**
98.9 %
98.5 %
4400 kVA
4400 kVA
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