UNI-550 series inverter is a high-performance current vector inverter developed based on UNI-500 series. The product adopts DSP as the core control unit, unique vector control algorithm, and true current vector control that strengthen product operation reliability environmental adaptability, usage  and ease of maintenance. The communication function has been significantly improved, and performance has greatly enhanced. The products are widely used in various industries, including metallurgy, petroleum, chemicals, steel, textiles, electricity, building materials, coal, water supply, photovoltaics, cables, and other automation equipment for drive and control.