Sineng SP-350K-INHB – High-Efficiency Utility-Scale String Inverter

The Sineng SP-350K-INHB is a state-of-the-art utility-scale string inverter engineered for 1500 V PV systems. Designed for large-scale ground-mounted solar projects, it delivers up to 352 kW rated output power with an exceptional 99% peak efficiency. Its advanced design supports high-power bifacial modules and extended string configurations, significantly reducing BOS (Balance of System) costs while improving overall system yield.

This inverter features multiple MPPT trackers (up to 12) and supports 32 PV strings, offering maximum flexibility for complex site conditions and diverse module orientations. Built with IP66 protection and a robust cooling system, the SP-350K-INHB ensures long-term reliability and optimal performance even in harsh outdoor environments. Its compatibility with aluminium cables further enhances cost-effectiveness in large deployments.

From a grid and operations perspective, the inverter incorporates advanced communication interfaces such as PLC and RS485, along with intelligent monitoring functions, including IV curve scanning and remote diagnostics. It is fully compliant with modern grid codes, supporting LVRT/HVRT, active/reactive power control, and power factor regulation, ensuring smooth and safe grid integration.

In conclusion, the Sineng SP-350K-INHB combines high power density, intelligent operation, and superior reliability—making it the preferred choice for utility-scale solar plants aiming for high performance, low maintenance, and optimized return on investment.