SG1250UD/SG1500UD Central Inverter

Input (DC)

Max. PV input voltage
1100 V
Min. PV input voltage / Startup input voltage
520 V / 540 V | 580 V / 600 V
MPP voltage range for nominal power
520 – 850 V | 580 – 850 V
No. of independent MPP inputs
2
No. of DC inputs
16
Max. PV input current
2712 A | 2896 A
Max. DC short-circuit current
3200 A

Output (AC)

Max. AC output power
1386 kVA @ 45 ˚C / 1260 kVA @ 50 ˚C | 1650 kVA @ 45 °C / 1500 kVA @ 50 °C
Max. AC output current
2222 A | 2381 A
Nominal AC voltage
360 V | 400 V
AC voltage range
288 – 414 V | 320 – 460 V
Nominal grid frequency / Grid frequency range
50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz | 50 Hz / 45 – 55 Hz, 60 Hz / 55 – 65 Hz
THD
< 3 % (at nominal power)
DC current injection
< 0.5 % In
Power factor at nominal power / Adjustable power factor
> 0.99 / 0.8 leading – 0.8 lagging
Feed-in phases / Connection phases
3 / 3

Efficiency

Euro. efficiency
98.70 %
Max. efficiency
99.00 %

Protection and Function

DC input protection
Circuit breaker
AC output protection
Circuit breaker
Overvoltage protection
DC Type II / AC Type II
Grid monitoring
Ground fault monitoring
Insulation monitoring
Overheat protection
Anti-PID function
Optional
Night SVG function
Optional
AC switch

General Data

Dimensions (W x H x D)
2,150 × 2,120 × 850 mm
Weight
1,900 kg
Isolation method
Transformerless
Degree of protection
IP65
Night power consumption
< 40 W
Auxiliary power supply
220 Vac, 2 kVA
Operating ambient temperature range
-35 to 60 °C (> 50 °C derating)
Allowable relative humidity range (non-condensing)
0 – 95 %
Cooling method
Temperature controlled forced air cooling
Max. operating altitude
4500 m (> 3500 m derating)
Display
Touch screen
Communication
RS485, Ethernet
Compliance
IEC62109-1, IEC62109-2, IEC61727, IEC62116
Grid Support
SVG (optional), LVRT, HVRT, active & reactive power control, power ramp rate control
Type designation
SG1500UD-10

Standard Accessories

DC main output load switch
PV specific application SPD
PV SPD failure monitoring
PV self power supply for internal loads
Communication port
Current and voltage monitoring for each string