Sungrow – 350kW 1500VDC 3-Phase String Inverter

Sungrow SG350HX-US 350kW 1500VDC 3-Phase String Inverter – 12 MPPT, Utility-Scale Performance

The Sungrow SG350HX-US is engineered for large-scale solar applications, offering a robust 350kW output with a 1500VDC input capacity. Its 12 Maximum Power Point Tracking (MPPT) channels allow for precise energy harvesting across diverse conditions, ensuring maximum efficiency.

Key Features:

• High Efficiency: Achieves a peak efficiency of 99.02%, optimizing energy conversion and reducing losses.

• Multiple MPPTs: Equipped with 12 MPPTs, each supporting two strings, allowing for flexible system design and improved performance.

• Advanced Safety: Features comprehensive protection mechanisms including DC reverse polarity protection, AC short-circuit protection, leakage current protection, and integrated DC/AC switches.

• Grid Support: Complies with global grid codes, offering stable operation even in weak grid conditions with a Short Circuit Ratio (SCR) ≥ 1.15 and reactive power response time <30ms.

• Smart O&M: Incorporates smart features like IV curve diagnosis and power line communication (PLC) for efficient operation and maintenance.

Technical Specifications:

• Max. DC Input Voltage: 1500V

• MPPT Voltage Range: 500V – 1500V

• Max. AC Output Power: 352kVA @ 30°C

• Nominal AC Voltage: 800V

• Max. AC Output Current: 254A

• Dimensions (W x H x D): 1136 x 870 x 361 mm

• Weight: Approximately 123 kg

• Protection Rating: IP66, NEMA 4X

• Operating Temperature Range: -30°C to +60°C

• Cooling Method: Smart forced air cooling

• Communication Interfaces: RS485, Bluetooth, PLC

Certifications:

Complies with UL1741SA, IEEE1547, CSA C22.2, FCC Part 15, and other international standards, ensuring reliability and safety across various markets.

Applications:

Ideal for utility-scale solar power plants, commercial installations, and large industrial energy systems requiring high-performance inverters with advanced grid support and safety features.