SG3400/SG3125/SG2500HV-MV-20 Central Inverter

Input (DC)

Max. PV input voltage
1500 V
Min. PV input voltage / Startup input voltage
875 V / 915 V | 875 V / 915 V | 800 V / 840 V
MPP voltage range for nominal power
875 – 1300 V | 875 – 1300 V | 800 – 1300 V
No. of independent MPP inputs
1
No. of DC inputs
21 (optional: 24 negative grounding or floating; 28 negative grounding) | 21 (optional: 24 negative grounding or floating; 28 negative grounding) | 18 – 24
Max. PV input current
4178 A | 4178 A | 3508 A
Max. DC short-circuit current
4210 A

Output (AC)

Max. AC output power
3593 kVA@ 25 ˚C / 3437 kVA@ 45 ˚C | 3593 kVA@ 25 ˚C / 3437 kVA@ 45 ˚C / 3125 kVA@ 50 ˚C | 2750 kVA @ 45 °C / 2500 kVA @ 50 °C
Max. AC inverter output current
3458 A | 3458 A | 2886 A
AC voltage range
10 – 35 kV
Nominal grid frequency / Grid frequency range
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 %

Transformer

Transformer rated power
2500 kVA
Transformer max.power
2750 kVA
LV / MV voltage
0.6 kV / 10 – 35 kV | 0.6 kV / 10 – 35 kV | 0.55 kV / 10 – 35 kV
Transformer Vector
Dy11
Transformer cooling type
ONAN (Oil Natural Air Natural)
Oil type
Mineral oil (PCB free) or degradable oil on request

Protection and Function

DC input protection
Load break switch + fuse
Inverter output 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
Night SVG function
AC switch

General Data

Dimensions (W x H x D)
6,058 × 2,896 × 2,438 mm
Weight
18,000 kg
Degree of protection
IP54
Auxiliary power supply
415 V, 15 kVA (Optional: max. 40 kVA) | 415 V, 15 kVA (Optional: max. 40 kVA) | 415 V, 5 kVA (Optional: max. 40 kVA)
Operating ambient temperature range
-35 to 60 ˚C (> 45 ˚C derating) | -35 to 60 ˚C (> 50 ˚C der ating) | -35 to 60 ℃ (> 50 ℃ derating)
Allowable relative humidity range (non-condensing)
0 – 95 %
Cooling method
Temperature controlled forced air cooling
Max. operating altitude
1000 m (standard) / > 1000 m (optional)
Display
Touch screen
Communication
Standard: RS485, Ethernet; Optional: optical fiber
Compliance
CE, IEC 62109, IEC 61727, IEC 62116
Grid Support
Q at night function, L/HVRT, active & reactive power control, and power ramp rate control
Type designation
SG3400HV-MV-10
PV array configuration
Negative grounding or floating

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