Sungrow - Model SG3125HV-MV - Photovoltaic (PV) Central Inverter
From PV Inverters - Central Inverter
High Yield: Advanced three-level technology, max. inverter efficiency 99 %. Effective cooling, full power operation at 50 ℃. Max. DC/AC ratio up to 1.5. Easy O&M: Integrated current, voltage and MV parameters monitoring function for online analysis and fast trouble shooting. Modular design, easy for maintenance. Convenient external LCD.
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Product Details
Saved Investment
- Low transportation and installation cost due to 20-foot container design
- DC 1500 V system, low system cost
- Integrated MV transformer and switchgear
- Night Static Var Generator (SVG) function
Grid Support
- Compliance with standards: IEC 61727, IEC 62116
- Low/High voltage ride through (L/HVRT)
- Active & reactive power control and power ramp rate control
Technical Data
Input (DC)
Max. PV input voltage: 1500 V
Min. PV input voltage / Startup input voltage: 875 V / 915 V
MPP voltage range for nominal power: 875 – 1300 V
No. of independent MPP inputs: 1
No. of DC inputs: 21 (optional: 24 negative grounding or floating; 28 negative grounding)
Max. PV input current: 4178 A
Output (AC)
Max. AC output power: 3437 kVA@ 45 ˚C
Max. AC output current: 3593 kVA@ 25 ˚C / 3437 kVA @ 45 ˚C
Max. AC output current: 3458 A
Nominal AC voltage: 600 V
AC voltage range: 480 – 690 V
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
Max. efficiency / Euro. efficiency: 99.0 % / 98.7 %
Protections & Functions
DC input protection: Load break switch + fuse
AC output protection: Circuit breaker
Overvoltage protection: DC Type I + II / AC Type II
Grid monitoring / Ground fault monitoring: Yes / Yes
Insulation monitoring: Yes
Overheat protection: Yes
Night SVG function: Yes
Anti-PID function: Optional
General Data
Dimensions (W*H*D): 2991*2591*2438 mm
Weight: 6.5 T
Isolation method: Transformerless
Degree of protection: IP54
Auxiliary power supply: 415 V, 15 kVA (Optional: max. 40 kVA)
Operating ambient temperature range: -35 to 60 ˚C (> 45 ˚C derating)
Allowable relative humidity range (non-condensing): 0 – 95 %
Cooling method: Temperature controlled forced air cooling
Max. operating altitude: 4000 m (> 2300 m derating)
Display: Touch screen
Communication: Standard: RS485, Ethernet; Optional: optical fiber
Compliance: CE, IEC 62109, IEC 62116, IEC 61727
Grid support: Night SVG function, L/HVRT, active & reactive power control and power ramp rate control
Type designation: SG3400HV-10
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