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SG250KC

Product catalog summary

Specifications:
- Input (DC): Max. DC power is 284kW with a max input voltage of 600V. The start voltage is 300V, and the MPPT voltage range is 320~600V. There are 6 DC inputs.
- Output (AC): Rated power is 250kW, with a max output AC power of 275kVA and a max output current of 241A. The max THD is less than 3% at nominal power. The rated grid voltage is 600Vac, with a grid voltage range of 528~660Vac. The rated grid frequency is 60Hz, with a range of 59.3~60.5Hz. The power factor at rated power is greater than 0.99.
- Efficiency: Max efficiency is 97.3%, European efficiency is 96.7%, and CEC efficiency is 96.5%.

Protection:
- Input and output side disconnection devices are present, along with DC and AC overvoltage protection. Grid and ground fault monitoring are included.

General Data:
- Dimensions are 1800x2180x850mm (71x86x34 inches) and weight is 1700kg (3748 lbs). Operating temperature range is -25~+55℃ (-13~+131 F). Noise emission is less than 65dB, and self-consumption at night is less than 100W. The cooling concept is controlled forced-air cooling with a degree of protection of IP20 (TYPE 1). Max permissible relative humidity is 0~95%, non-condensing, and max altitude is 6000m (derating > 2000m). Fresh air consumption is 5610m³/h.

Display and Communication:
- Features a touch screen LCD with Modbus communication protocols and RS485 Ethernet (optional) interface.

Additional Features:
- CEC weighted efficiency at 96.7%, precise output power metering, optional auxiliary heater, compact design for easy installation and transportation, and compliance with UL1547, IEEE1547, C22.2 107.1-01 standards.

Efficiency Curve:
- The efficiency curve shows varying efficiency levels at different normalized output power levels and DC voltages (320V, 450V, 600V).

Circuit Diagram:
- Includes a 3-phase full bridge (IGBT), LC filter, output transformer, AC circuit breaker, AC main contactor, lightning-proof device, DC circuit breaker, DC EMC filter, and AC EMC filter.

Catalog excerpts

Input (DC) Max. DC power (@ cos φ =1) 284kW Max. Input voltage 600V Start voltage 300V MPPT voltage range 320~600V Number of DC inputs 6 Output (AC) Rated power 250kW Max. Output AC power 275kVA Max. Output current 241A Max. THD <3%(at nominal power) Rated grid voltage 600Vac Grid voltage range 528~660Vac Rated grid frequency 60Hz Grid frequency range 59.3~60.5Hz 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 97.3% European Efficiency 96.7% CEC Efficiency 96.5% SG 250KC Protection Efficient Input side disconnection device Yes AC overvoltage protection Yes Grid monitoring Yes Ground fault monitoring Precise output power metering Yes DC overvoltage protection CEC weighted efciency at 96.7% Yes Output side disconnection device Yes General Data Adaptable Dimensions (W/H/D) Compact design, easy installation and transportation 1800x2180x850mm 71x86x34 inch Weight Auxiliary heater (Optional) 1700kg -25~+55℃ -13~+131 F Operating temperature range Noise emission (typical) <100W External auxiliary supply voltage UL1547, IEEE1547, C22.2 107.1-01 o <65dB Self-consumption at night Qualified 3748 lbs No Cooling concept IP20 Max. permissible value for relative humidity (non-condensing) 0~95%, non -condensing Max. altitude 6000m (derating > 2000m) Fresh air consumption 5610m³/h Display Touch screen LCD Communication protocols Modbus Comm. Interface Efficiency Curve controlled forced-air cooling Degree of protection RS485 Ethernetoptional TYPE 1 Circuit Diagram: Efficiency Curve: 98% Efficiency 95% DC Circuit Breaker 92% LC Filter Output Transformer AC Main Contactor AC Circuit Breaker L1 DC EMC Filter 89% 86% 20% 40% L2 N 3-phase Full Bridge (IGBT) 80% 0% AC EMC Filter L3 Vdc=320V Vdc=450V Vdc=600V 83% + 60% 80% 100% Lightning-proof Device PE Normalized Output Power www.sungrowpower.com

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SG250KC

SG250KC

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