SG50K3
1Pages

Catalog excerpts

Input (DC) Max. DC power (@ cos φ =1) 57kW Max. Input voltage 900V Start voltage 470V MPPT voltage range 450~820V Number of DC inputs 2 Output (AC) Rated power 50kW Max. Output AC power 55kVA Max. Output current 80A Max. THD <3%(at nominal power) Rated grid voltage 400V Grid voltage range 310~450V Rated grid frequency 50/60Hz Grid frequency range 47~52Hz/57~62Hz Power factor at rated power >0.99 Isolation Transformer Yes DC current injection <0.5% of rated inverter output current Adjustable displacement factor 0.9 (lagging) ~0.9 (leading) Efficiency Max. Efficiency 96.6% European Efficiency 95.7% Protection SG 50K3 Input side disconnection device Breaker Output side disconnection device Breaker DC overvoltage protection Yes Grid-friendly AC overvoltage protection Yes Grid monitoring Yes Ground fault monitoring Yes Insulation monitoring Opt Active power continuously adjustable (0100%) Reactive power control with power factor from 0.9 lagging to 0.9 leading General Data Dimensions (W/H/D) Efcient PWM algorithm, low consumption on switch 643kg Operating temperature range High efciency isolation transformer 800x1984x646mm Weight Efficient -25~+55℃ Self-consumption at night Qualified <30W External auxiliary supply voltage No Cooling concept IP20 Max. permissible value for relative humidity (non-condensing) 0~95%, non -condensing Max. altitude 6000m (derating > 3000m) Fresh air consumption 700m³/h Display LCD Communication port/protocols Efficiency Curve Temperature controlled air-cooling Degree of protection CE, Enel-GUIDA certication Modbus Circuit Diagram: Efficiency Curve: 98% Efficiency 95% Number of DC Inlets 92% 2 2 89% 86% 3 Vdc=220V Vdc=600V Vdc=820V 83% 20% 40% AC Contactor Transformer AC Circuit Breaker + - DC EMC Filter AC Filter AC EMC Filter Number of AC Outlets L1 1 L2 L3 1 1 N Lightning-proof Device 80% 0% Power Module DC Circuit Breaker 60% 80% 100% PE Normalized Output Power www.sungrowpower.com

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