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Adopting professional components for PV inverters, with the features of higher efficiency, lower temperature-rise and longer service life;
Advanced MPPT algorithms – MPPT efficiency >99.9%
High performance index with wide power range
Advanced anti-islanding protection
Multiple system protection
High efficiency transformer isolation (indoor), suitable for medium to large PV power plant, simplifying plant design by several inverters parallel connection
Multiple language and communication interface , LCD display with multiple function-setting.
Running and protection parameters can be set on LCD display
Modularization design for easy installment, operation and maintenance
Germany EWE NETZ medium voltage guideline compliant
DC ground-fault protection
Special modules design increase the efficiency of heat dissipation and the stability of system.
Technical parameters
DC Side | |
Max PV array power | 275kwp |
Max PV array open voltage | 880Vdc |
Max DC current | 600A |
MPPT voltage tracking range | 450~820Vdc |
Start voltage | 470Vdc |
MPPT efficiency | 99.9% |
Recommend PV array open voltage | 700V |
Grid Side | |
Rated output power Max output current | 250kw 378A |
Output current THD (rated power) | <3% |
Power factor (rated power) Max efficiency | 0.95(leading) ~0.95(lagging) 97.3% |
Euro efficiency | 96.5% |
Output voltage Grid frequency range | 270Vac 47~50.5Hz |
Standby consumption | <100W |
Consumption at night Grid monitoring Communication interface Human-computer interface | <80W CGC/GF001:2009 Compliant RS485/Ethernet/GPRS(optional) LCD |
Mechanical parameters | |
Dimensions (WxHxD) Weight | 1800x1965x850(mm) 2070kg |
Environmental conditions and safety degree | |
Protection degree Cooling method Operating temperature Relative humidity Max. working altitude Noise requirements Achieved standard | IP20(indoor) Air cooling -25~+55°C 15~95%, non-condensing 2000m, above 2000m need derate operating <65db EN 50178; DIN EN62109; PRLEC 62109-2 VDE 0126-1-1 (or CGC/GF001:2009) EN6100-6-2 2005; EN6100-6-4 2007 ENEL(Italy); G59/2(UK) |
SGW-250KTT on-grid PV inverters