Air compressor group optimization control system

The utility model discloses an air compressor group optimization control system which comprises a variable-frequency air compressor and a plurality of power frequency air compressors connected in series, the variable-frequency air compressor and each power frequency air compressor are communicated to an air storage tank through air conveying pipelines, and an outlet of the air storage tank is connected with a plurality of tail end units in parallel through a plurality of air using tail end branch pipes. Pressure sensors are arranged at the outlets of the variable frequency air compressor and each power frequency air compressor, a pressure sensor is arranged at the outlet of the air storage tank, and a pressure sensor is arranged on each air using tail end branch pipe; each frequency conversion air compressor is in communication connection with the PLC, and the PLC is in communication connection with a human-computer interface. The problem that pressure adjustment of an existing air compression control system