Day River SR6000G / P series high-performance all-digital intelligent drive, using the optimized voltage space vector (SPWM) technology control. Voltage to adapt to strong fluctuations of up to 20% -20 %---+; high a torque; RS458 communication interface. Product specification is complete, the largest single capacity of 500KW. Widely used in machinery, metallurgy, textiles, chemicals, plastics, paper, refrigeration, electricity, and construction industries. Modern industrial drive and control the core technology, remarkable energy saving, high degree of self-control, run and low cost.